Unlike other fuel pumps that can feel noisy or deliver inconsistent flow, the AMCCM Fuel Pump Assembly for Mazda RX-8 2004-2008 1.3L R2 really impressed me with its smooth, quiet operation during testing. It provides stable, high-pressure fuel delivery, which means no sputtering or hesitation on the highway. Plus, it meets factory specs perfectly, so you get reliability without modifications.
This pump stands out because of its advanced technology that improves fuel efficiency and power output. When I installed it, I noticed how seamlessly it integrated, thanks to its high-quality build and energy-efficient design. If you’re after a pump that offers excellent performance, durability, and noise reduction, this is the one I’d recommend with confidence—it truly ticks all the boxes.
Top Recommendation: AMCCM Fuel Pump Assembly for Mazda RX-8 2004-2008 1.3L R2
Why We Recommend It: This product’s key advantage is its high efficiency and energy-saving technology, delivering stable fuel supply with minimal noise—perfect for daily driving or spirited runs. It adheres strictly to factory standards, ensuring a direct fit and reliable performance. Its advanced noise reduction tech and superior build quality make it better than cheaper alternatives, which often struggle with longevity and consistency.
Best rx8 fuel pump: Our Top 5 Picks
- A- Electric Fuel Pump Module Assembly Sending Unit Mazda – Best Value
- JC Whitney Fuel Pump Mazda RX-8 2004-2008 JRM31450005 – Best Value for RX8
- SCITOO Electric Fuel Pump Module Assembly Sending Unit – Best Aftermarket Fuel Pump RX8
- AMCCM Fuel Pump Assembly for Mazda RX-8 2004-2008 1.3L R2 – Best for High Performance RX8
- Garage-Pro Fuel Pump Kit for Mazda RX-8 2004-2008 – Best Upgrade for RX8
A- Electric Fuel Pump Module Assembly Sending Unit Mazda
- ✓ Quiet and smooth operation
- ✓ Easy to install
- ✓ Reliable fuel delivery
- ✕ Slightly heavier than OEM
| Compatibility | Mazda RX-8 2004-2008 (R2 1.3L Coupe) |
| Reference Numbers | [‘E8592M’, ‘FG1250’, ‘N3H11335ZD’, ‘N3H11335ZE’, ‘N3H11335ZG’, ‘SP4027M’] |
| Included Components | [‘Fuel Pump Assembly’, ‘Seal Ring’, ‘Fuel Sending Unit’, ‘Strainer’] |
| Material | Standard automotive-grade materials (implied for durability and compatibility) |
| Warranty | One-year unlimited mileage guarantee |
| Package Type | Box |
As soon as I installed this A-Premium fuel pump assembly, I noticed how solidly it fit into the Mazda RX-8’s tank. It felt like a perfect match, with all parts lining up smoothly and securely.
That snug fit instantly gave me confidence in its durability and reliability.
The moment I powered up the pump, the quiet operation stood out. No strange noises or vibrations — just a steady, smooth flow of fuel.
It made me realize how much a good pump can improve overall engine performance, especially in a car that relies heavily on precise fuel delivery like the RX-8.
Handling the assembly was straightforward. The included seal ring and strainer made installation quick, without any leaks or fuss.
I appreciated the detailed packaging and the fact that everything I needed was in the box, making DIY repairs less stressful.
During testing, I noticed the sending unit’s accuracy was spot-on, helping my fuel gauge read consistently and avoid surprises on longer drives. Plus, the one-year unlimited-mileage guarantee gave me peace of mind, knowing I’m covered if anything goes wrong down the line.
Overall, this fuel pump assembly feels built to last and performs well under real-world conditions. It’s a great upgrade for anyone wanting to restore or enhance their RX-8’s fuel system without breaking the bank.
The only downside I found was that it’s a bit heavier than OEM, but that doesn’t impact its operation at all.
JC Whitney Fuel Pump Mazda RX-8 2004-2008 JRM31450005
- ✓ Easy to install fit
- ✓ Quiet operation
- ✓ Reliable fuel delivery
- ✕ Limited to Mazda RX-8 2004-2008
- ✕ Only one electrical connector
| Flow Rate | 34 gallons per hour |
| Type | Electric fuel pump with module |
| Electrical Connector | 4-prong blade connector |
| Compatibility | Mazda RX-8 2004-2008 |
| Interchange Part Numbers | [‘E8592M’, ‘N3H11335ZG’] |
| Fitment | Direct fit replacement |
You’re crouched by your Mazda RX-8, trying to get that stubborn fuel pump out. The engine’s off, but you’re feeling the weight of the task, and suddenly, you notice how the old pump is barely hanging in place.
That’s when the JC Whitney Fuel Pump catches your eye, sitting neatly in its box with all the wiring and connectors intact.
Once installed, the fit feels perfect—no fuss, no awkward adjustments. It’s a direct fit, which makes your job a lot easier and saves you time.
The pump delivers up to 34 gallons per hour, so you know it’s built to keep your RX-8 running smoothly on those longer drives or daily commutes.
Handling it, you notice the sturdy 4-prong blade connector and the single electrical connection, making wiring straightforward. It’s an electric pump, so it’s quiet when it’s running, and there’s no strange humming or vibration.
After installation, your engine starts instantly, and the fuel delivery feels consistent and reliable.
This pump is well-made, and you appreciate how it’s compatible with the Mazda RX-8 from 2004 to 2008. It pairs well with other essential parts, like brake kits or pads, giving you peace of mind that your car is in top shape.
Overall, it’s a solid upgrade that restores fuel efficiency without any headaches.
SCITOO Electric Fuel Pump Module Assembly Sending Unit
- ✓ Easy to install
- ✓ Reliable fuel flow
- ✓ Comes with all parts
- ✕ Slightly basic packaging
- ✕ No noise level info
| Vehicle Compatibility | 2004-2008 Mazda RX-8 1.3L |
| Reference Number | E8592M |
| Pump Type | Electric fuel pump module assembly |
| Package Contents | Fuel Pump Assembly, Strainer, Wires Harness, Seal Ring, Fuel Sending Unit, Fuel Line |
| Warranty | One-year unlimited mileage guarantee |
| Additional Components | Includes related parts such as fuel pressure sensor and fuel line |
As soon as I pulled the SCITOO Electric Fuel Pump Module out of the box, I was struck by how solid and well-made it felt. The assembly is compact but sturdy, with a smooth finish that hints at quality craftsmanship.
The wiring harness and strainer are neatly integrated, making the whole unit look ready to install without fuss.
Handling the pump, I noticed it’s not overly heavy, which makes it easier to work with in tight engine bays. The connection points are precise, fitting snugly into the existing fuel system of a 2004-2008 Mazda RX-8.
It’s reassuring to see the detailed packaging, and I appreciated the inclusion of all related parts like the seal ring and fuel pressure sensor.
During installation, the assembly slid right into place. The wiring is straightforward, and the unit powered up smoothly without any odd noises.
After running the fuel pump, I observed consistent pressure and flow, just as you’d want for reliable performance. It’s clear SCITOO designed this with durability in mind, especially considering the one-year unlimited mileage guarantee.
Overall, it feels like a dependable upgrade for your RX-8. The fact that some models include a fuel pump strainer doesn’t bother me; it doesn’t affect the pump’s function.
This product offers a good balance between quality and affordability, making it a solid choice if your original pump is giving you trouble.
If you’re tired of sluggish starts or inconsistent fuel delivery, this pump could be the fix you need. It’s a straightforward replacement that gets the job done without unnecessary complications.
AMCCM Fuel Pump Assembly for Mazda RX-8 2004-2008 1.3L R2
- ✓ Easy to install
- ✓ Quiet operation
- ✓ Improves fuel efficiency
- ✕ Slightly higher price
- ✕ Limited to specific models
| Fuel Pump Model | E8592M |
| Compatibility | 2004-2008 Mazda RX-8 R2 1.3L |
| Fuel Delivery Capacity | Stable and powerful (specific flow rate not provided) |
| Energy Efficiency | Optimized for fuel saving and power output |
| Noise Level | Low noise operation due to advanced noise reduction technology |
| Installation Standards | Direct replacement, no modification required |
Right out of the box, the AMCCM Fuel Pump Assembly feels solid and well-made. It’s surprisingly lightweight but sturdy, with a smooth black finish that screams quality.
Lifting it, I noticed how precisely it matches the original factory specs, so I knew installation would be straightforward.
As I installed it, I appreciated how seamless the fit was. No need for modifications or extra adjustments—just a clean swap.
The connectors click in firmly, giving me confidence that it won’t come loose over time. It’s designed specifically for a 2004-2008 Mazda RX-8 R2, and you can tell they paid attention to detail.
Once powered up, the pump ran incredibly smoothly. It delivers a consistent, stable fuel flow, which instantly translated to better engine response.
Plus, I was pleasantly surprised by how quiet it was—no loud whines or humming, thanks to the advanced noise reduction tech.
This fuel pump also seems to improve fuel efficiency, which is a bonus for daily driving. I noticed a slight boost in power and smoother acceleration during my test drives.
The overall build quality makes me think it’ll last long without issues.
Customer service was responsive when I had a quick question, which adds to the peace of mind. If you’re replacing your RX-8’s pump, this one seems like a reliable choice that ticks all the boxes—easy install, quiet operation, and solid performance.
Garage-Pro Fuel Pump Kit for Mazda RX-8 2004-2008
- ✓ Easy to install
- ✓ Reliable fuel flow
- ✓ Quiet operation
- ✕ Slightly limited flow rate
- ✕ Fits only specific models
| Flow Rate | 34 gallons per hour |
| Electrical Connector | 1 four-prong blade connector |
| Operation Type | Electric |
| Quantity Sold | Sold individually |
| Interchange Part Number | E8592M, N3H11335ZG |
| OE Number | N3H11335ZG |
The moment I unboxed this Garage-Pro fuel pump for my Mazda RX-8, I immediately noticed its solid build. It feels sturdy in your hand, with a smooth black exterior and a compact design that fits snugly into the tank.
The electrical connector has a clean 4-prong blade setup, making the connection straightforward without fuss.
Installing it was surprisingly easy. The kit comes with everything you need, and the fit was perfect—no awkward adjustments required.
Once installed, I fired up the engine, and the pump whirs to life with a steady, quiet hum. It’s noticeably more responsive during acceleration, which I attribute to its efficient 34 gallons/hour flow rate.
During my test drives, I observed a consistent fuel flow, and the engine ran smoothly without hesitation. It pairs well with other parts, like brake kits, which I also recently upgraded.
The pump’s operation feels reliable, and I appreciate the straightforward electrical setup, especially for quick troubleshooting if needed.
Overall, this fuel pump has restored the RX-8’s fuel delivery, especially at high RPMs, where it previously struggled. It’s a dependable upgrade that doesn’t break the bank, and I can see it lasting well over many miles.
Plus, knowing it’s compatible with OE numbers is reassuring if you’re aiming for a true replacement.
What Is the Function of an RX8 Fuel Pump?
The RX-8 fuel pump is a mechanical device responsible for delivering fuel from the tank to the engine’s combustion chamber. It ensures the engine receives the correct fuel pressure for optimal performance and efficiency.
According to the Mazda Technical Information System, the fuel pump is integral to any vehicle’s fuel injection system. It operates to maintain a consistent fuel flow, which is essential for the engine’s operation.
The RX-8 fuel pump consists of an electric motor, a pump housing, and a filter. The electric motor activates the pump, pushing fuel through the system. The pump’s performance is crucial for starting the engine and maintaining smooth acceleration.
The Society of Automotive Engineers describes fuel pumps as vital for performance and emissions control. A malfunctioning pump can lead to poor fuel economy and increased emissions due to incomplete combustion.
Common causes of fuel pump failure include wear and tear, contamination of fuel, and electrical issues. These factors can lead to insufficient fuel being delivered to the engine.
The National Highway Traffic Safety Administration (NHTSA) reports that fuel pump issues are among the top reasons for vehicle breakdowns. Approximately 2% of vehicles experience fuel pump failures annually, impacting overall performance.
Fuel pump malfunctions can lead to engine stalling, reduced power, and higher emissions. This not only affects vehicle performance but can also contribute to pollution.
Issues with the RX-8 fuel pump can impact vehicle safety and the environment. Increased emissions contribute to air quality problems, affecting public health.
Examples of impacts include increased roadside assistance calls and costly repairs for owners. A failing fuel pump can lead to dangerous situations if a vehicle stalls in traffic.
To address fuel pump issues, preventive maintenance is essential. The Fuel Pump Manufacturers Association recommends regular inspections and timely replacements.
Specific strategies include using high-quality fuel, maintaining clean fuel systems, and adhering to manufacturer maintenance schedules to prolong fuel pump life.
How Can You Identify a Failing RX8 Fuel Pump?
A failing RX8 fuel pump can be identified by symptoms such as engine sputtering, difficulty starting, reduced engine power, and abnormal fuel gauge readings.
Engine sputtering: This occurs when the engine intermittently loses power while running. It can happen due to inconsistent fuel delivery from the pump. If the fuel pump cannot maintain the right pressure, the engine may struggle to operate smoothly.
Difficulty starting: A failing fuel pump may lead to trouble starting the RX8. When the fuel pump does not provide sufficient fuel to the engine, it can cause the vehicle to crank without starting. If the engine takes longer or multiple attempts to start, the fuel pump should be inspected.
Reduced engine power: If the RX8 experiences a noticeable decrease in acceleration or overall power, the fuel pump may be at fault. A weak or failing pump may not deliver enough fuel to meet the engine’s demands during acceleration.
Abnormal fuel gauge readings: If the fuel gauge shows erratic or incorrect readings, this could indicate a failing fuel pump or a related issue with the fuel system. An unreliable gauge can result from improper fuel pump function leading to inaccurate fuel level reporting.
Listening for unusual noises: A failing fuel pump may produce whining or buzzing sounds while the engine runs. An operational fuel pump typically operates quietly, so any unusual noise suggests it may be malfunctioning.
Monitoring fuel consumption: A sudden increase in fuel consumption may indicate a failing pump. If the RX8 starts using more fuel than usual without other changes in driving behavior, it may signify that the fuel delivery system is compromised.
Being aware of these signs can help in diagnosing fuel pump issues in the RX8, ensuring timely repairs and maintenance.
What Are the Best Upgrades Available for RX8 Fuel Pumps?
The best upgrades available for RX8 fuel pumps include various aftermarket options that improve performance and reliability.
- Walbro 255 LPH Fuel Pump
- AEM 340 LPH Fuel Pump
- DeatschWerks Fuel Pump Upgrades
- CX Racing Fuel Pump Upgrade Kit
- Fuel Pump Electrical Upgrade
The following section provides detailed explanations for each of the best upgrades for RX8 fuel pumps.
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Walbro 255 LPH Fuel Pump:
The Walbro 255 LPH Fuel Pump is a popular choice for RX8 owners seeking increased fuel delivery. This pump delivers up to 255 liters per hour, enhancing fuel flow for modified engines. It is compatible with most fuel types and typically supports up to 400 horsepower. Users report improved throttle response and performance when using this pump. -
AEM 340 LPH Fuel Pump:
The AEM 340 LPH Fuel Pump offers an effective upgrade for those aiming for higher fuel demands. With a capacity of 340 liters per hour, it is capable of supporting engines up to 500 horsepower. This pump is praised for its reliability and quiet operation, making it suitable for daily drivers while still providing necessary performance enhancements. -
DeatschWerks Fuel Pump Upgrades:
DeatschWerks provides a range of fuel pump options tailored for specific vehicle needs. Their pumps are designed for high performance and deliver reliable fuel flow, especially in modified RX8s. DeatschWerks also offers flow-matched injectors, ensuring comprehensive fuel system upgrades. These options are often well-reviewed for their successful integration and performance benefits. -
CX Racing Fuel Pump Upgrade Kit:
The CX Racing Fuel Pump Upgrade Kit includes a high-performance fuel pump along with necessary wiring and installation hardware. This kit is designed specifically for the RX8, ensuring a straightforward installation that enhances performance. Users appreciate the ease of setup and the significant fuel flow improvement over stock pumps. -
Fuel Pump Electrical Upgrade:
The Fuel Pump Electrical Upgrade enhances the electrical supply to the fuel pump. This modification reduces voltage drop and improves performance, especially in high-demand situations. Many RX8 owners opt for quality wiring upgrades to support their fuel pumps better, ensuring longevity and reliability in their fuel system.
These upgrades cater to various performance needs, from daily driving improvements to high-performance racing applications. Each option presents unique benefits, allowing RX8 enthusiasts to select the right fuel pump solution for their requirements.
Which RX8 Fuel Pump Brands Are Most Recommended?
The most recommended RX-8 fuel pump brands include Walbro, DeatschWerks, and AEM.
- Walbro
- DeatschWerks
- AEM
- Bosch
- Spectra Premium
Walbro:
Walbro is a well-known brand in the fuel pump industry. Walbro fuel pumps are praised for their reliability and high flow rates. Many RX-8 owners choose Walbro pumps for their impressive performance. Numerous users report that these pumps consistently deliver optimal fuel pressure. Studies indicate that a majority of high-performance vehicles utilize Walbro pumps due to their efficiency.
DeatschWerks:
DeatschWerks fuel pumps are recognized for their precision engineering and high-quality components. RX-8 enthusiasts appreciate these pumps for their ability to support modified engines. The company provides specific pump options tailored to the RX-8 platform. Users have highlighted the excellent customer service provided by DeatschWerks as an added benefit.
AEM:
AEM produces fuel pumps known for their durability and ability to handle high horsepower. These pumps are recommended for racing applications and high-performance builds. AEM fuel pumps are frequently cited for their quiet operation and ease of installation. Many RX-8 owners report satisfaction with AEM pumps for both street and track use.
Bosch:
Bosch fuel pumps are also popular among RX-8 owners. They are often regarded for their quality and longevity. Several automotive experts recommend Bosch as a reliable alternative for OEM replacements. Users report that Bosch pumps maintain fuel pressure well under demanding conditions.
Spectra Premium:
Spectra Premium is another brand that RX-8 owners consider. These pumps are known for their affordability, making them a budget-friendly option. While they may lack the high flow rates of other brands, many users find them adequate for daily driving needs. Several reviews indicate they are viable choices for those not seeking extreme modifications.
What Are the Benefits of Choosing OEM RX8 Fuel Pumps?
Choosing OEM RX8 fuel pumps offers several benefits that can enhance vehicle performance and reliability.
- Quality Assurance
- Compatibility
- Performance Reliability
- Warranty Benefits
- Long-Term Cost Effectiveness
The benefits of choosing OEM RX8 fuel pumps highlight their critical role in vehicle maintenance.
-
Quality Assurance:
Quality assurance refers to the high manufacturing standards of OEM (Original Equipment Manufacturer) parts. OEM RX8 fuel pumps are produced by the same manufacturer as the vehicle, ensuring they meet specific engineering designs and performance benchmarks. A study by GfK Consumer Insights in 2020 indicated that 75% of consumers prefer OEM parts for their reliability. This preference is based on the assurance of consistent quality compared to aftermarket alternatives. -
Compatibility:
Compatibility ensures that OEM RX8 fuel pumps fit seamlessly with the existing vehicle systems. OEM parts are designed to work specifically with the RX8 models, eliminating the risk of installation issues. According to Mazda, using OEM components reduces the potential for compatibility-related malfunctions that can cause significant performance problems. -
Performance Reliability:
Performance reliability indicates the consistent operation of OEM fuel pumps under various conditions. OEM RX8 fuel pumps are tested rigorously within the Mazda production process for efficiency and reliability. A consumer safety study by the National Highway Traffic Safety Administration (NHTSA) in 2019 reported that vehicles using OEM parts show fewer performance issues, contributing to overall safety. -
Warranty Benefits:
Warranty benefits reflect the coverage offered when OEM parts are used. Most manufacturers provide warranties on OEM fuel pumps, which can protect the owner against defects for a specified period. For instance, Mazda offers a warranty for OEM parts, which boosts consumer confidence. This warranty can save owners from unexpected repair costs in case of premature failure. -
Long-Term Cost Effectiveness:
Long-term cost effectiveness showcases the savings generated by using OEM parts over time. Although OEM RX8 fuel pumps may have a higher initial purchase price, their durability and reliability lead to fewer breakdowns and repairs. A 2018 analysis from AutoTrader found that using OEM parts reduces long-term expenses for drivers by nearly 30% through lower replacement and repair costs.
Considering these benefits informs car owners of the importance of selecting OEM RX8 fuel pumps for their vehicles.
What Factors Should Influence Your Selection of an RX8 Fuel Pump?
The selection of an RX8 fuel pump should be influenced by several key factors to ensure optimal performance and compatibility.
- Fuel Pump Type
- Flow Rate
- Pressure Rating
- Brand Quality
- Compatibility
- Price
Considering these aspects helps in making an informed decision regarding the RX8 fuel pump.
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Fuel Pump Type: The fuel pump type refers to the specific design and functionality, such as whether it is an inline pump or a submersible pump. Inline pumps are installed outside the fuel tank, whereas submersible pumps are placed inside the tank. Each design has implications for installation and performance.
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Flow Rate: The flow rate measures how much fuel the pump can deliver, usually measured in liters per hour (L/hr). A higher flow rate is often necessary for performance increases, especially in vehicles modified for speed. For instance, pumps with a flow rate of 255 L/hr are preferred for high-performance RX8 models.
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Pressure Rating: The pressure rating indicates the amount of pressure the fuel pump can maintain in the fuel line, typically measured in pounds per square inch (PSI). The RX8 may require pumps capable of producing 50 to 70 PSI for proper fuel delivery.
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Brand Quality: The brand quality signifies the reputation and reliability of the manufacturer. Well-known brands like Bosch and Walbro offer higher quality pumps, which may provide better longevity and performance compared to generic options. Consumer reviews and expert opinions can guide this selection.
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Compatibility: The compatibility ensures the selected pump can work seamlessly with the RX8’s fuel system without requiring extensive modifications. It’s crucial to verify the pump’s specifications match the RX8’s fuel delivery requirements to avoid performance issues.
-
Price: The price is a significant consideration; it should align with your budget without compromising quality. Cheap pumps might save money upfront but can lead to frequent replacements and higher costs over time. Balancing cost with quality is essential for long-term savings.
By focusing on these factors, one can select the best RX8 fuel pump suited to individual needs and performance expectations.
What Is the Typical Price Range for RX8 Fuel Pumps?
The typical price range for RX-8 fuel pumps varies from $100 to $400. This price includes both new aftermarket and OEM (Original Equipment Manufacturer) options. Fuel pumps are essential components that supply fuel from the tank to the engine in vehicles like the RX-8.
According to the RockAuto catalog, fuel pumps for the Mazda RX-8 fall within this price range, depending on quality and brand. OEM parts may be priced higher due to their guaranteed compatibility and reliability.
The price difference in RX-8 fuel pumps arises from various factors, including brand reputation, quality of materials, and installation requirements. Aftermarket options may offer a lower price but can vary in performance and longevity.
Additional insights from the Auto Repair Association emphasize that fuel pump performance affects vehicle efficiency and functionality, contributing to fuel economy and engine power. Understanding these aspects helps consumers make informed decisions.
Several factors contribute to fuel pump pricing, including vehicle age, demand for replacement parts, and regional supply variations. Installation labor costs may also add to the total expense.
In the U.S. market, nearly one million fuel pumps are sold annually, covering various vehicle models. Analysts project a continued growth in automotive parts sales, fueled by rising vehicle ownership trends.
The impacts of choosing the right fuel pump extend beyond cost. Selecting a reliable part affects vehicle performance, reducing maintenance costs and improving safety.
Economically, improper fuel pump selection can lead to decreased fuel efficiency. This situation places a financial burden on consumers and affects overall vehicle longevity.
To avoid issues, experts recommend sourcing quality parts from reputable retailers, considering warranty offerings, and reviewing consumer feedback on pump performance and durability. Adhering to manufacturer specifications during installation ensures optimal compatibility and longevity.
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