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Doc's Diesel

4.5 (123)

Doc's Diesel 5W-40 Full Synthetic Heavy-Duty Diesel Oil

Name: Doc's Diesel Doc's Diesel 5W-40 Full Synthetic Heavy-Duty Diesel Oil - Doc's Diesel 5W-40 Full Synthetic Heavy-Duty Diesel Oil
Brand: Doc's Diesel
SKU: 52679871988076
Price: 38.99 USD
Availability: InStock
Rating: 4.6761 (58 reviews)

4.5 (1,234)

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$38.99

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Description

Doc's Diesel Engine Oil: Powered by Hot Shot's Secret the 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil is a CK-4 specification additive package built with synthetic group III base oils, and contains the patented FR3 Nano Technology to ...

Reviews

4.7

71 ratings

Great products

Doc's is great to deal with even with their recent move to the new facility the order was fast and on time. Great service and products are priced comparable to others yet the quality is much better.

Rich · April 27, 2026

Great product

Been using Doc’s Diesel products for 2 years and their oil meets all requirements I’m looking for. I recommend their products every chance I get.

Jimmie · April 29, 2026

New

Just did a complete change over to Doc products for my F250. Let’s see the difference

Lyndon · May 29, 2026

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Doc's Diesel

4.7 (9.2K)

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Reviews

4.7

71 ratings

Great products

Doc's is great to deal with even with their recent move to the new facility the order was fast and on time. Great service and products are priced comparable to others yet the quality is much better.

Rich · April 27, 2026