Premium Mechanical Fuel Pump Straight Swap For 1976 GMC Jimmy Smooth Fuel Delivery System Replacement Quick Mount Heavy Duty One Piece Real Deal Professional Grade Components

Direct replacement mechanical pump for 1976 GMC Jimmy
✔️ OE M6628 spec, heavy cast body, direct factory bolt pattern

This solid one piece unit moves gasoline straight from the tank to your carburetor without leaks or sputtering. You will find it right at home under the hood of your late seventies truck, keeping your daily drive running sweet. Grabbing a fresh one keeps your engine breathing properly on tough gravel roads or weekend cruises. The heavy build takes the stress off your lines while handling constant road vibration. You will notice instant throttle response once the gas flows free again.

✅ Verified stock code M6628 matches original equipment specifications
✅ Covers Airtex 40963, Onix OMP40963, Spectra SP1008MP replacements
✅ Matches Delphi MF0011, Sparta PN8011 and GMB 520-8040 standards
✅ Handles consistent pressure while moving gas during long highway trips

💡 How can you pick a reliable mechanical fuel pump for a vintage ride? Dialing in the right gas mover is pretty handy when you check the basics first. You just need to make sure the parts talk to each other without fighting.
- Measure the distance from the mounting flange to your crank centerpoint
- Line up the push rod length with your camshaft eccentric throw
- Pick a inlet screen size that matches your fuel line diameter exactly
- Match the stud spacing on the baseplate to your engine block holes

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