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One time purchase
$175.99
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Description
Doc's Diesel Transmission Filter Kits:
Doc’s Diesel Transmission Service Kits come with everything you need to keep your transmission running strong. They help keep your fluid clean, which means smoother shifts and longer life for your rig....
Reviews
4.5
80 ratings
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Excellent, love this company
Everything is ordered showed up in a timely fashion, and Everything fit like it should. I will be ordering from Doc's diesel for all of my truck needs from now on. You won't be disappointed.
T
Tom · July 31, 2026
Stick with OEM
I’m gonna keep this short and sweet, I know what I’m doing. I’m a certified technician, I also understand that sometimes aftermarket is better than manufacture for multiple reasons, having said that I take good care of my truck, I decided to try docs diesel out against everyone’s recommendation. If you talk to any diesel tech they will tell you stick with the OEM even if you delete stick with OEM. Unless of course you’re going to replace major components. So I did this 68RFE kit around 70k. At 82k, my RFE started shifting like someone is rear ending me. No bueno if you know. Hot Shot shift restore helped but I know im cooked. Thanks “Doc”.