Oil Dipstick Tube Seal O-Ring, Duramax | 2001-2016

Oil Dipstick Tube Seal O-Ring, Duramax | 2001-2016

This O-ring seals the engine oil dipstick (oil level indicator) tube on the 6.6L Duramax in 2001-2016 Chevrolet Silverado and GMC Sierra 2500HD and 3500 trucks and 2007-2016 Express and Savana vans. The dipstick tube uses two of these O-rings, and they're sold individually, so order two. Over time the original O-rings harden and shrink from engine heat, which lets oil seep out around the base of the tube. Ours is a Viton O-ring made to the factory size that replaces GM 94036238.

Key Features

• Replaces GM 94036238
• Viton O-ring, 75 durometer: 0.436" ID x 0.093" cross section
• Seals the oil dipstick tube
• Sold individually; two required per tube
• Bagged and labeled by Merchant Automotive

Benefits

A seeping dipstick tube leaves oil on the side of the block that's easy to mistake for a bigger leak. Fresh O-rings stop the seep at the source. Replace them any time the dipstick tube is removed, such as during turbo, up pipe or valve cover work, since a used O-ring won't reseal. Replace if worn or damaged.

Frequently Asked Questions

How many do I need?
Two. The dipstick tube uses two O-rings, and each one is sold individually.

Is this a genuine GM part?
No. It's a Viton O-ring made to the factory size that replaces GM 94036238.

Fitment

Fits 2001-2016 Chevrolet Silverado and GMC Sierra 2500HD and 3500 with the 6.6L Duramax (LB7, LLY, LBZ, LMM and LML), and 2007-2016 Chevrolet Express and GMC Savana vans with the 6.6L Duramax (LLY, LMM and LGH). Two required per engine.

What's Included

• (1) Oil dipstick tube seal O-ring

For warranty information or to submit a claim, see our Warranty Form.