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⛽ Filter smarter, drive stronger — don’t let your Duramax settle for less!
Doc's Diesel Fuel Filter DGF429 is a high-efficiency replacement filter designed for Chevrolet/GMC 6.6L and 3.0L Duramax trucks (2017-2025). It features 3-micron filtration at 96.92% efficiency, maximized media surface area for optimal fuel flow, and comes with all necessary o-rings for easy installation. Trusted by professionals and backed by rigorous third-party testing, it ensures peak engine performance and longevity.
| ASIN | B08L6X4X51 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #5,997 in Automotive ( See Top 100 in Automotive ) #20 in Automotive Replacement Fuel Filters |
| Brand | Doc's Auto Parts |
| Brand Name | Doc's Auto Parts |
| Compatible with Vehicle Type | Truck |
| Customer Reviews | 4.8 out of 5 stars 503 Reviews |
| Item Weight | 0.38 Kilograms |
| Manufacturer | Doc's Auto Parts |
| Manufacturer Part Number | DFD429 |
| OEM Equivalent Part Number | AC/Delco TP1015, Wix WF10451, Premium Guard DF99173, Purolator F21393 |
| Outer Material | Carbon Steel |
| Product Grade | Replacement Part |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Truck |
T**.
Great quality
The quality is very high and came with gaskets that fit perfectly. This is an easy diesel filter change. Would recommend and have used before.
M**T
Great filtration
Good quality works great!
J**U
Oem replacement
Perfect fit and finish. Just works and is a great price.
A**O
Best diesel fuel filter for the money!
High quality filter that's a better-than-OEM replacement. Comes with both o-rings to ensure proper seal. Easy to install & remover when required.
T**S
Compatible
Easy change out minimal mess
T**Y
Save Money, Do It Yourself. It’s Easy & Quick
Filter was perfect fit. I’m no mechanic, took me about 5mins to do the swap out. Saved myself $120 labor from my local dealership.
G**R
Best filters you can buy
Best filters you can buy
D**L
super easy to change
Fit my 2025 GMC 1500 perfectly, also cleared code P0087. It took less than 5 minutes to change; you will need a 36mm socket.
R**L
Duramax fuel filter
Works perfect
A**R
Great transaction
Good
A**R
Was as it should b
Great
R**E
Filter easy to install.
Fuel filter installed easily. No problem to date.
A**M
Same filter from Oder sellers are cheeper
This is a cheep fuel filter compare to Oder filter I bought from this seller the price is lower but the quality is not there .i never bought again from this seller
Trustpilot
5 days ago
1 week ago