Direct Fit Mechanical Fuel Pump Replacement For 1978 Gmc K25 Truck Built For Straight Up Reliable Cruising And Hassle Free Garage Swaps With Secure Mount And Exact Connector Fit

Direct Fit One Piece Fuel Pump For Old GM Truck Cruising
✔️ One piece mechanical fuel pump M60039 exact 1978 GM fit

You get a ready-to-mount gas pump designed for classic pickup beds. Mechanics call it handy for swapping carburetors without stripping threads. ✅ Pack contains one sealed replacement unit for quick installation
✅ Cross references Airtex 41378 and Delphi MF0004 part codes
✅ Engineered for the exact push rod timing on 1978 chassis mounts

💡 How do buyers choose the correct mechanical fuel pump for vintage trucks?
You simply compare the replacement design to your factory setup first.
- Match the internal spring tension to your engine displacement.
- Align the raw metal plunger stroke with the cam lobe rotation.
- Confirm the inlet valve diameter seals tightly with your feed line.