How to Find the Correct Replacement Oil Seal and Oil Cap

Updated 11/29/2019 | Published 11/28/2019

Products Featured in This Question

Replacement Oil Cap Kit for 9,000-lb and 10,000-lb Dexter Axle

(271)

$45.13

Oil Seal

(107)

$24.30

4" Carbon Fiber Digital Caliper

(26)

$12.13

Question:

I got a question on where to get a seal from. The seal in the picture has a crack in it I was tryin to see where to get it from.

asked by: Nate F

Expert Reply:

I have a solution for you, but it looks like the oil cap itself is what is cracked and not the oil seal. I recommend taking the cap off and making sure that it's actually the seal and not the cap that is cracked before proceeding any further.

Once you determine which part is actually damaged, you'll need to take some measurements on the inner and outer diameter (oil seals) or just the outer diameter (oil caps) to determine which replacement part you need.

An oil seal like the Redline # 9103309 has an inner diameter of 2.25" and outer diameter of 3.376" and may work for you depending on the measurements you come up with. If you end up needing the entire oil cap, you can use something similar to the Redline # RG04-300 which has an outer diameter of 3.5".

I've linked our entire selection of oil seals and oil caps to this answer to help you locate the appropriate fit, or if you can provide me with the measurements you come up with I can help you find the correct parts. You'll want to complete all of your measurements using a digital caliper like the # PTW80157 to ensure accuracy.

expert reply by: Erik B