Fuel Pump Module 6AN 340 LPH - Square Body

Fuel Pump Module 6AN 340 LPH - Square Body

Marsoni

M251S

$152.97

Get it in 3 business days with 1 day shipping. Friday, May 29

Fuel Pump Module 6AN 340 LPH - Square BodyQuantum Fuel Systems Fuel Pump Drop In Module Compatible with 1973 1991 Chevy full size trucks (square body and early obs trucks) Includes Walbro's large 340 LPH fuel pump (for reference a 255LPH is used on stock LT1, Gen V cars) Supports up to: 650hp on naturally aspirated applications Compatible with E85 Has 6AN fittings Includes complete module, w fuel pump, screen, and sending unit Lifetime warranty on hangar, sending unit, and fuel pump

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In stock and fast shipping was the selling point. My local auto parts stores didn't have this in stock anywhere. I got it in two days and cheaper than they could get it to me. Fits great and works like it should. I'm on top of my maintenance for all my vehicles, so it will get changed on time. Life span should not be an issue.

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Reviewed in the United States on March 5, 2026