
The Walbro Hellcat 525 LPH fuel pump is a high-performance fuel pump that supports up to 700+ horsepower. It is designed for use with both gas and ethanol fuels and can be used in various engines, including supercharged and turbocharged applications. The pump features an innovative dual pump head design that delivers maximum pressure and superior fuel flow while operating quietly and efficiently. While the pump comes with a check valve to prevent system leak-down, it does not include a fuel filter. Therefore, when upgrading to the Walbro Hellcat pump, it is essential to also consider the appropriate fuel filter to ensure optimal performance and protection for the engine and injectors.
| Characteristics | Values |
|---|---|
| Brand | Walbro |
| Model | Hellcat 525 LPH |
| Part Number | F90000285 |
| Compatibility | Universal E85 Ethanol |
| Horsepower | 700+ |
| Voltage | 13.5 Volts |
| Pump Length | 131mm/ 5.15 inches |
| Main Housing Diameter | 39mm/ 1.53 inches |
| Lower Housing Diameter | 50mm/ 1.96 inches |
| Fuel Inlet Diameter | 11mm OD/ .43 inches or 3/8 line |
| Fuel Outlet Diameter | 11mm OD/ .43 inches or 3/8 line |
| Flow Rate | 470lph@40psi (120 + gph) |
| Price | $199.95 |
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What You'll Learn
- The Walbro Hellcat 525 LPH fuel pump does not come with a filter
- The pump supports 700+ horsepower with a supercharger
- The pump is universal and can be used with both gas and E85
- The pump is remarkably quiet and heats fuel less due to its turbine rotor design
- The pump is easy to install and comes with instructions

The Walbro Hellcat 525 LPH fuel pump does not come with a filter
The Walbro Hellcat 525 LPH fuel pump is a popular choice for those seeking a high-performance fuel pump. With its ability to support an impressive 700+ horsepower and superior fuel flow, it is an attractive option for many car enthusiasts. However, it is important to note that this particular fuel pump does not come with a filter.
The Walbro Hellcat 525 LPH fuel pump is designed for high-performance engines exceeding 500 horsepower. It features an innovative dual pump head design that delivers maximum pressure and improved fuel flow. This results in increased efficiency, with a 20% improvement over conventional pumps. The pump operates with both gas and E85 fuel types and includes a check valve to prevent system leak-down and extended cranking during start-up.
While the Walbro Hellcat 525 LPH fuel pump offers impressive performance, the absence of a filter is a notable consideration. Filters play a crucial role in fuel systems by providing fine filtration and protecting vital components such as injectors and the engine. Therefore, it is recommended to explore additional options or modifications to ensure adequate filtration in your fuel system.
One possible solution is to purchase a separate filter kit that is compatible with the Walbro Hellcat 525 LPH fuel pump. These filter kits are designed to add fine filtration to the fuel system, ensuring that your engine and injectors are protected from any contaminants in the fuel. It is important to carefully select a filter kit that is specifically designed for this fuel pump to ensure proper compatibility and effective filtration.
Additionally, it is worth mentioning that the Walbro Hellcat 525 LPH fuel pump may require thicker wiring and a fuel pump relay during installation. This is due to its high power requirements, and it is always advisable to refer to the manufacturer's recommendations and guidelines for safe and proper use. By taking these factors into account, you can ensure that your fuel system performs optimally and maintains the longevity of its components.
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The pump supports 700+ horsepower with a supercharger
The Walbro Hellcat 525 LPH fuel pump is a high-pressure, high-flow performance fuel pump. It is designed for high-performance engines exceeding 500hp and can support 700+ horsepower with a supercharger. This makes it ideal for turbocharged gasoline engines that demand a lot of fuel. The pump's innovative dual pump head design delivers maximum pressure with superior fuel flow, as well as minimal noise, increasing efficiency by 20% over conventional fuel pumps.
The Walbro Hellcat pump has been designed to work with both gas and E85 fuel. It features an internal check valve that prevents fuel system pressure bleed down and reduces extended cranking at start-up. This results in improved hot fuel flow and unparalleled performance. With its award-winning DCSS technology, the pump delivers consistent performance and reliability, making it a top choice for many car enthusiasts.
The pump is available as a standalone product or as part of a kit. The kit includes the pump, installation instructions, and all the required lines and fittings for an easy three-hour installation process. The pump is also compatible with a range of vehicles, including the SRT Hellcat 6.2L HEMI Challenger and Charger models from 2015 to 2023.
The Walbro Hellcat 525 LPH fuel pump is a popular choice for those looking to upgrade their fuel system and support higher horsepower. With its ability to support 700+ horsepower with a supercharger, it offers a balance of performance and reliability that makes it a favourite among car enthusiasts and racers alike.
To ensure the best performance and compatibility, it is important to purchase the pump from an authorized dealer and follow the installation instructions carefully. Additionally, for high-power retrofit installations, it is recommended to use thicker wire and a fuel pump relay for optimal performance and safety.
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The pump is universal and can be used with both gas and E85
The Walbro Hellcat 525 LPH in-tank fuel pump is a universal fuel pump that can support up to 700+ horsepower. It is compatible with both gas and E85 fuel types, making it a versatile option for high-performance engines.
The pump's innovative dual pump head design, also known as the "turbine style" or "fat-bottom" design, delivers maximum pressure with superior fuel flow. This unique mechanism sets it apart from traditional gerotor pumps, resulting in improved hot fuel flow and a quieter operation.
One notable feature of the Walbro Hellcat pump is its ability to operate with minimal noise. The turbine rotor design not only enhances fuel flow but also contributes to a quieter performance compared to other pumps, such as the 450. This makes it an excellent choice for those seeking a powerful yet discreet fuel pump solution.
The pump also includes a check valve, which helps prevent system leak-down and reduces extended cranking during start-up. This feature further enhances the efficiency of the pump, resulting in a 20% increase in performance when compared to conventional pumps.
It is important to note that while the Walbro Hellcat pump is universal, some modifications may be required during installation. Additionally, the pump does not come with a filter, so users will need to purchase one separately or consider getting a whole kit from a supplier like Quantum.
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The pump is remarkably quiet and heats fuel less due to its turbine rotor design
The Walbro Hellcat 525 LPH fuel pump is an innovative design that offers maximum efficiency under high-pressure and high-temperature applications. The pump's turbine rotor design, also known as a "turbine-style" or "turbine pump" design, is responsible for its quiet operation and reduced fuel heating. This design is an improvement over the older "gerotor pump" used in previous models.
The turbine rotor design in the Walbro Hellcat pump utilizes a dual-channel turbine mechanism, featuring a single impeller with two parallel rows of turbine blades. This setup feeds two high-pressure pumping channels, in contrast to conventional single-stage pumps that employ an impeller with a single row of blades. The dual-channel design enhances hot fuel flow and minimizes noise and current use, resulting in 20% greater efficiency compared to conventional pumps.
The Walbro Hellcat pump's turbine rotor design also contributes to its impressive flow rates. By pressurizing the fuel as it flows axially through the pump without forcing it to change direction, the turbine blades create tremendous flow rates at various rail pressures, accommodating different injector sizes. This axial flow design further enhances the pump's efficiency and performance.
The quiet operation of the Walbro Hellcat pump is a notable advantage, especially when compared to other high-performance fuel pumps. The turbine rotor design minimizes noise levels, making it ideal for various applications where a quieter pump is preferred. Whether in automotive, industrial, or other fuel-dependent systems, the Walbro Hellcat pump's quiet and efficient performance can be a significant advantage.
In conclusion, the Walbro Hellcat 525 LPH fuel pump's turbine rotor design sets it apart from other high-performance fuel pumps. This design not only reduces fuel heating and noise but also maximizes efficiency and flow rates. The dual-channel turbine mechanism, with its parallel turbine blades, is a key factor in achieving these benefits. The Walbro Hellcat pump's quiet and efficient performance has made it a popular choice for high-performance engines and fuel-demanding applications.
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The pump is easy to install and comes with instructions
The Walbro Hellcat 525 LPH fuel pump is a high-performance fuel pump that can be easily installed by following the instructions provided. This fuel pump is designed for high-performance engines exceeding 500hp and can reliably meet the fuel demands of turbocharged gasoline engines.
The pump comes with an installation kit that includes all the necessary components for a successful installation. The kit is made in the USA and includes the highest quality fuel lines and clamps to support the pump. With the provided instructions, the installation process is straightforward and can be completed in approximately 3 hours.
The Walbro Hellcat fuel pump is a direct-fit replacement, making the installation even more accessible and more intuitive. The pump is designed to fit perfectly into the existing fuel system, and the installation kit ensures that all the necessary parts are included.
Additionally, the pump's innovative dual pump head design delivers maximum pressure with superior fuel flow, resulting in improved performance and efficiency. The pump also features a check valve to prevent system leak-down and reduce extended cranking during start-up.
Overall, the Walbro Hellcat 525 LPH fuel pump is a high-quality and reliable product that can be easily installed by following the provided instructions and using the included installation kit. With its superior performance and efficiency, this fuel pump is an excellent choice for high-performance engines.
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Frequently asked questions
Walbro's 525 LPH in-tank fuel pump is the highest-flowing in-tank fuel pump on the market, supporting up to 900+ hp at 60 psi.
The Walbro Hellcat pump is compatible with both pump gas and E85 applications.
The Walbro Hellcat pump is priced at $199.95.
The Walbro Hellcat pump has a horsepower rating of 1600 BHP / 1300 RWHP on gas and 1100 BHP / 950 RWHP on ethanol fuels.
No, the Walbro Hellcat pump does not come with a filter. You will need to purchase a filter separately or opt for a kit that includes a filter.







































