Walbro GSS342 G3 Fuel Pump - In-Tank (255LPH)
Upgrade your fuel system with the Walbro GSS342 G3 Fuel Pump — the trusted 255LPH in-tank pump known for exceptional reliability and consistent performance. As a refinement of the original GSS342, this G3 version offers improved efficiency, minimal fuel heating, and long-term durability. Engineered by TI Automotive/Walbro, it’s the go-to solution for high-performance gasoline and race gas applications, providing stable fuel delivery for vehicles producing up to 800whp on gasoline.
This gerotor-style pump ensures reliable operation across all temperatures and features an internal check valve suitable for both staged and non-staged systems. Designed for direct compatibility with standard Walbro GSS connectors, it installs easily into most Fore Innovations fuel pump modules and select OE applications. Proudly made in the USA, this pump delivers proven performance, efficiency, and the legendary Walbro dependability that racers and builders trust.
Features
- Compatible with gasoline and race gas (not for ethanol or methanol blends)
- Gerotor-style design for smooth, consistent operation at all temperatures
- Internal check valve supports staged and non-staged fuel systems
- Minimal fuel heating for optimal reliability and pump longevity
- Supports up to 800whp on gasoline when used in dual setups
- Use standard Walbro GSS pump connector for simple installation
- Requires Walbro 125-190 prefilter (sold separately)
- Fuse each pump individually at 20A
- Made in the USA by TI Automotive/Walbro
Specifications
- Flow Rate: 255 LPH
- Outlet Diameter: 8mm (5/16")
- Body Diameter: 39mm
- Overall Length: 123.7mm (inlet to outlet tips)
- Recommended Operating Voltage: Standard vehicle voltage (max 16V)
- Fuse Rating: 20A
Fitment
- Compatible with all Fore Innovations fuel pump modules (except Camaro5, G8, CTS-V2, SS sedan, Caprice)
- Select OE replacement applications (requires upgraded wiring)
Note: Requires upgrade kit 37-4 for proper fitment in Fore Innovations modules.
Not for use with ethanol or methanol blends.
Fuel Pump Warranty:
We take great pride in our product line since we design, machine, assemble, and package our products entirely in house. We guarantee our products to be free of defects in materials and workmanship to the original purchaser. Due to the highly technical nature of our products, we recommend only experienced and competent individuals and shops install our products and systems.
We cannot accept returns on injectors or pumps that have been in contact with fuel.
Fore Innovations, LLC does not warranty any product that have been damaged or rendered defective as a result of accident, misuse, or abuse. Additionally, Fore Innovations is not responsible for special, incidental, or consequential damages or costs incurred due to the installation, use, or misuse of our products.
We will gladly refund any parts that are received in new resalable condition and accompanied with a Return Authorization Number to the original purchaser. Fore Innovations will not be responsible for any items sent to us without a Return Authorization Number.
TI Automotive (and Walbro) fuel pumps are sold only with TI Automotive’s warranty. Currently, TI Automotive does not have a warranty on their high performance parts. For more information:
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
