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In-Tank EFI Fuel Pump Module 350 LPH for 1978-1987 El Camino and Caballero
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-12-335

In-Tank EFI Fuel Pump Module 350 LPH for 1978-1987 El Camino and Caballero

$36395
3 left in stock
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

GM G-Body
In-Tank EFI Fuel Pump Module
  • 1978-1987 Chevy El Camino and GMC Caballero
  • 350 LPH, Supports Up to 750 EFI HP
  • Pre-Calibrated Sending Unit for Factory Fuel Gauge
  • Direct Factory Tank Replacement
  • Gasoline and E85 Compatible

    This in-tank module drops into the factory 1978-1987 El Camino or Caballero tank as a direct replacement, delivering 350 LPH to support EFI engines up to 750 horsepower without a custom fuel tank.

    Holley 12-335 Highlights:

    • Fits 1978-1987 Chevy El Camino and GMC Caballero.
    • 350 LPH high-pressure in-tank pump.
    • Supports EFI engines up to 750 horsepower.
    • Pre-calibrated 0-90 ohm fuel-level sending unit.
    • Direct replacement for the factory pickup and sender.
    • Compatible with carbureted and EFI fuel systems.
    • Part TypeFuel Pump Module Assembly
    BrandHOLLEY
    Package Height5.4
    Package Width6.2
    Package Length13.6
    Weight2.15 PG
    Part CategoryPerformance Parts
    Part FitmentDirect Fit
    Vendor Part Number12-335
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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