★★★★★
Great quality
Todd O.—February 8, 2026✓ Verified purchase
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. Read more
Docs Diesel Fuel Filter DGF429 Compatible with Chevrolet GMC 6 6L Duramax 2500HD 3500HD 2017-2019 Chevrolet GMC 3
$27.99
About this item
- DOC'S DIESEL FUEL FILTERS - Doc's Fuel Filters remove contaminants like separate water from dirt, rust, and debris, protecting fuel system components and ensuring peak engine performance. They optimize fuel flow and pressure, enhancing acceleration, fuel economy, and vehicle performance. With a focus on maximizing filtration media surface area, our high-quality filters come complete with o-rings as needed.
- INTERCHANGE - Replaces AC/Delco TP1015, Replaces Wix WF10451, Replaces Premium Guard DF99173, Replaces Purolator F21393
- FITMENT - Compatible with 2017-2019 Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD, 2020-2025 Chevrolet/GMC 3.0L Duramax 2500HD, 3500HD
- THIRD PARTY TESTED - 3 Micron @ 96.92% Efficiency Rating
- REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer warranty. Fuel Filters should be changed every 5,000 to 10,000 miles, or 15,000 maximum.
$27.99
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Delivery — 24 Apr – 30 Apr
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Product details
| Brand | Doc's Auto Parts |
|---|---|
| Product Grade | Replacement Part |
| Outer Material | Carbon Steel |
| Vehicle Service Type | Truck |
| Item Weight | 0.38 Kilograms |
Technical specifications
| brand | Doc's Auto Parts |
|---|---|
| product_grade | Replacement Part |
| outer_material | Carbon Steel |
| vehicle_service_type | Truck |
| item_weight | 13.4 ounces |
| style | Modern |
| manufacturer | Doc's Auto Parts |
| package_dimensions | 4.69 x 4.02 x 3.98 inches |
| manufacturer_part_number | DFD429 |
| best_sellers_rank | #4,867 in Automotive ( See Top 100 in Automotive ) #15 in Automotive Replacement Fuel Filters |
| date_first_available | October 14, 2020 |
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Customer reviews
4.8466 ratings
Customers say
Customers find the fuel filter to be of good quality, with materials that feel substantial.
★★★★★
Best diesel fuel filter for the money!
Admiral Burrito—March 2, 2026✓ Verified purchase
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. Read more
★★★★★
Great product
Walter H.—January 15, 2026✓ Verified purchase
Fit as it should. Seems to filter well Read more
★★★★★
Easy install.
Emily—February 25, 2026✓ Verified purchase
High quality filter. Easy to install. Works great as far as I can tell. Read more
★★★★☆
Parts fit
Ed Smith—February 5, 2026✓ Verified purchase
Parts fit Read more
★★★★★
super easy to change
Dennis Pursel—February 2, 2026✓ Verified purchase
Fit my 2025 GMC 1500 perfectly, also cleared code P0087. It took less than 5 minutes to change; you will need a 36mm socket. Read more
★★★★★
Good filter
C Settles—March 9, 2026✓ Verified purchase
Fit and worked perfectly Read more
★★★★★
As described
Jon Alons—January 16, 2026✓ Verified purchase
Works and fits as described on my 2021 GMC Sierra Elevation 3.0 Duramax diesel. Read more
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