This direct-fit fuel pump module drops into any 1988-1997 GM C/K Series truck EFI fuel tank. It's built around a 340 LPH Sniper fuel pump that supports up to 700 EFI or 900 carbureted horsepower, and the 6061-T6 aluminum flange is bright dip black anodized to resist under-car corrosion.
Specifications:
- Average Flow Rating: 340 LPH
- Supports up to 700 EFI or 900 carbureted horsepower (rated at 60 PSI, 13.5V, 10.4A draw)
- Fuel Type: Gasoline/E85 compatible
- Inlet Size: 6 AN
- Outlet Size: 6 AN
- Material: 6061-T6 aluminum, black anodized finish
- Includes filter sock, flange O-ring, and fuel tank lock ring
- 1/8 NPT port to retain the EVAP system (optional)
- Part Number: 12-353
Can be used with both carbureted and EFI fuel systems. Both setups require a bypass-style regulator - Holley recommends part number 12-879 or 12-880.
FAQ
What vehicles does part number 12-353 fit?
It's a direct fit for 1988-1997 GM C/K Series trucks.
Is this pump E85 compatible?
Yes, it's rated for gasoline and E85.
What regulator does this module need?
A bypass-style regulator is required for both carbureted and EFI setups; Holley recommends part number 12-879 or 12-880.
What's included in the kit?
The assembled pump module, a new filter sock, flange O-ring, and the lock ring needed to install it into the stock fuel tank.

