Need help? We're here!
(888) 312-8812 Login SignupAn O-ring does its work by being squeezed, and the Allison Transmission Filter O-Ring is the small ring that seals a transmission filter connection. As it is tightened, the ring compresses into its groove and fills the gap between the two surfaces. A 12.3 mm inner diameter sets how snugly the ring sits on its fitting, which is what lets it compress evenly. Because rubber hardens and flattens after repeated heat cycles, the Allison Transmission 29512875 is replaced whenever the filter joint is opened.
Be the first to review this product!
Be the first to ask a question about this product!
Optional. Please do not use your full name.
Minimum 10 characters, maximum 500 characters
You can upload up to 3 images to help illustrate your question. Supported formats: JPG, PNG, GIF, WebP
Please complete the reCAPTCHA verification to submit your question.
California residents see

