Napa Fuel Filter 3634

Marsoni

M251S

$53.49

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

Napa Fuel Filter 3634Part No. 3634 Type FUEL FILTER Brand NAPGLD Unit of Measure EACH Description Napa Fuel Filter Warranty Service Interval Outside Diameter 92mm Type Cartridge Height 104mm Inner Diameter Bottom 27mm Inner Diameter Top 13mm Outer Diameter Bottom 91. 7mm Outer Diameter Top 91. 7mm What it Fits MERCEDES BENZ HEAVY ATEGO 1523AK 6. 4L OM906 LA OHV 18v Turbo Diesel Direct Inj. 6cyl 6sp Man Heavy Truck 4x4 [01 99 12 08] MERCEDES BENZ HEAVY ATEGO 1529AK 6. 4L

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MUCH better than the cheap plastic OEM part, Just a reminder though, these thread into an aluminum block so be very careful to start them finger tight first, then evenly tighten both bolts to push the fitting into the chamber. If you don't, it will slightly misalign and you run the risk of stripping the threads. The one comes with the replacement o ring, and be sure to get some antifreeze on that seal prior to attempting to push it into the chamber. IT IS A TIGHT FIT, but that's what you want, so just be careful. You might also want an extra hose clamp on hand, as the one that came with this began to bend as it got tight, so I had to replace it for peace of mind. Overall, great product though.

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Reviewed in the United States on January 9, 2026

Verified Purchase

Dklnyc

Grantham, US

★★★★★ 5

Strong product

Great quality

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Reviewed in the United States on March 11, 2026

Verified Purchase

Sebastian Benavides

Grantham, US

★★★★★ 1

Snapped bolt

I tried putting it on my n55 from a m235i and it did not fit properly. I was in a rush to try to put it on and thought it was on properly and I thought it did. And I snapped the bolt because the bolt because it was not aligned after I looked at harder I do not recommend for a n55. do not get this cheaply made pos. I recommend getting it from fcp euro where parts will actually fit and not fail.

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Reviewed in the United States on January 1, 2026