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Doc's Auto Parts

Docs Diesel Oil Filter D11878 Compatible with Chevrolet GMC 6 6L Duramax 2500HD 3500HD 2020 Replaces PF26

4.6(65)
$13.99

370+ bought in the past month

About this item

  • DOC'S DIESEL OIL FILTERS - Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They’re made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating.
  • FITMENT - Compatible with Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD 2020-2025
  • INTERCHANGE - Replaces GM 12684038, Replaces AC/Delco PF26, Replaces Wix WL10454, Replaces Baldwin B7449, Replaces Premium Guard PG9952EX
  • THIRD PARTY TESTED - 25 Micron @ 99% Efficiency Rating
  • REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer's warranty. Oil Filters should be changed every 5,000-7,000 miles or 10,000-15,000 miles maximum.

Key details

Brand
Doc's Auto Parts
Product Grade
Replacement Part
Vehicle Service Type
Truck

Dimensions and fit

Thread Size
17mm
Highlights

About this item

  • DOC'S DIESEL OIL FILTERS - Doc's Diesel Premium Oil Filters are built to deliver reliable performance for hard-working trucks. They filter out dirt, metal, and other debris from your oil, helping protect your engine and improve fuel efficiency. They’re made for synthetic, conventional, or blended oils, with high-flow synthetic media and a heavy-duty metal housing for longer life and better filtration. Changing your filter regularly keeps your motor running smoothly and helps prevent overheating.
  • FITMENT - Compatible with Chevrolet/GMC 6.6L Duramax 2500HD, 3500HD 2020-2025
  • INTERCHANGE - Replaces GM 12684038, Replaces AC/Delco PF26, Replaces Wix WL10454, Replaces Baldwin B7449, Replaces Premium Guard PG9952EX
  • THIRD PARTY TESTED - 25 Micron @ 99% Efficiency Rating
  • REPLACEMENT GUIDELINES - Above all recommendations, change according to your vehicle’s manufacturer's warranty. Oil Filters should be changed every 5,000-7,000 miles or 10,000-15,000 miles maximum.
Close-up view of the Docs Diesel Oil Filter D11878 Compatible with Chevrolet GMC 6 6L Duramax 2500HD 3500HD 2020 Replaces PF26
Details

Materials and care

Material
Synthetic, Metal

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Customer reviews

65 reviewsPositive

Rated 4.6/5 across 65 reviews — highly regarded by customers.

  • 100% of sampled reviews are from verified purchases.
  • 88% of sampled reviews give 4–5 stars.

Customers say

Customer summary is not available yet.

Reviews with images

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★★★★★

Looks wrong but it’s right.

5 stars so far. I ordered this for a 24 Silverado 2500hd with the 6.6 Duramax. The filter is much fatter and a little shorter but it is the right filter for the truck. I should’ve taken a picture but I forgot. Read more

ckVerified purchase
★★★★★

Good quality

1st time user, I’ll let you know in 5k miles! Read more

CustomerVerified purchase
★★★★★

Cost, better than OEM.

Docs Diesel is the best!! These filters are great! Read more

CustomerVerified purchase
★★★★★

Works great

Works Read more

PhilVerified purchase
★★★★★

Right-size

😀 Read more

COLEENVerified purchase
★★★★★

Works well on the 3500 chev

One of the very best filters Read more

Fred WagnerVerified purchase
★★★★★

cost

great product Read more

Kathleen A. CollinsVerified purchase
☆☆☆☆

Poor quality

I purchased 2 of these filters for my 2021 Duramax. When I opened the first one I noticed loose wire mesh inside the filter. Very poor quality look elsewhere. Read more

Customer review image for Poor qualityCustomer review image for Poor qualityCustomer review image for Poor quality
21 SilveradoVerified purchase
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