


Fuel Pump Module 6AN 535 LPH - Square Body
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Fuel Pump Module 6AN 535 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 giant 535 LPH fuel pump (for reference a 255LPH is used on stock LT1, Gen V cars) Supports up to: 1300hp NA, forced induction 1100hp (E85 900hp) 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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4.2 ★★★★★
Based on 1900 reviews
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Product Reviews
★★★★★ 5
Works great. Definitely a good buy and value.
Size: 1 Kit
This was easy to use and made a world of difference on the lenses.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Let this restoration kit light up your life
Size: 1 Kit
I have a car that is 24 years old and is my daily driver. Understandably, the headlight lenses have deteriorated to the point where I was using my brights exclusively at night yet never being flashed to turn them down. I got quotes between 60-80 dollars per headlight for restoration which I just wasn't willing to pay so I decided on this kit to try restoring them myself. I read reviews before I ever make a decision on a product and noticed many reviewers of other products stated that this product works better so I went ahead and purchased it. Man, am I glad I did!!!
The kit arrived late this afternoon, I opened it, READ AND FOLLOWED THE INSTRUCTIONS and within 1 1/2 hours had turned a travesty into a triumph. I started by taping around both lights with 1 inch blue painters tape to protect the paint around the lights. The kit comes with everything necessary to remove most moderate deterioration but be sure to purchase one that corresponds with your actual situation. I believe my lenses were far beyond "moderate" but with some heavy elbow grease, the correct use of both supplied sanding disks and my hose set on "mist" I was able to sand off years of damage leaving behind a smooth, albeit opaque surface. After making sure everything was totally dry using both towels and my leaf blower, I was ready for the Magic!!! I opened the first clearcoat package (while wearing the provided glove) and lightly but steadily applied the liquid with the supplied towelette and the required 50% overlapping passes. The opaque lenses instantly turned clear upon contact with the clearcoat. After waiting around 25 minutes to be sure the lenses were completely dry I opened the second package of clearcoat and applied it in the same manner as the first. I had no misses or problems with my first coat but for those who do...NOW is the time to make corrections, NOT during the first coat process. Leave things to dry for around an hour and you are done.
The end result? AWESOME, INCREDIBLE, UNBELIEVABLE...shall I go on??? Not necessary, but I can say I am thrilled with the outcome. My wife said the lights look new and I agree, there is a night and day difference between before and after.
Only time will tell how long the restoration lasts but for now I am very very happy with the results I got from this 3M product. I highly recommend it to anybody who can read, understand and follow the instructions. 5 stars all the way on this one!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 24, 2025
★★★★★ 5
Excellent 3M Headlight Restoration Kit!
Size: 1 Kit, Size: 1 Kit
Better than expected results. This 3M Kit needs no drill; all done by hand. Check out their videos on YouTube; follow the easy instructions. This $10 3M Kit, an hour and a half of my time, saved me over $300! What a serious savings! Thank you 3M for another fantastic product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 6, 2026
★★★★★ 5
Affordable and it works !
Size: 1 Kit, Size: 1 Kit
Works great price is decent and easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Amazing Product!
Product worked great on some of the older trucks I use for construction vehicles.
This product made all the lights look brand spanking new. Awesome product, and definitely recommend if you have any fogging in your headlights. It doesn’t matter the age of the cars/trucks as this product makes them look brand new regardless. I used on both new and older vehicles and you couldn’t tell the difference because the lights looked so clean on both. The product worked amazing .
I also noticed at nighttime the headlights provided better visibility too!
Perfectly priced!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2025
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