Overview
The Omix-Ada OAI18603.56 is a Dana 18 transfer case to transmission gasket for 6 cylinder engines. It fits 1967–1971 Jeep CJ5, CJ6, Commando, Jeepster and J-series models.
It fits a wide range of CJ, DJ, Dispatcher, Gladiator, Universal, Wagoneer (SJ) and J-100 through J-4800 models. Match your exact model and year before ordering.
Key features
- Seals the joint between the Dana 18 transfer case and the transmission
- Made for 6 cylinder engines
- Direct fit for the Dana 18 to transmission joint
- Covers many 1967–1971 CJ, DJ and J-series entries
Keeping the joint sealed
A transfer case to transmission gasket sits in a flat joint where oil, heat and vibration all work on the seal. Its job is to keep lubricant in the transfer case and dirt out, so even a small seep at this joint can drip onto the floor and leave a film on the underside of the vehicle. Gaskets compress over time, which is why a leak at the same joint often returns after a simple tightening.
Good preparation matters more than any single part. Scrape the old gasket material from both faces, clean them with a solvent that leaves no residue, and check the surfaces for warping or pitting before fitting the new gasket. Fasteners should be snug, tightened in the sequence the service procedure calls for, and checked again after the first drive. If the transfer case has been out for other work, a fresh gasket is a better choice than trying to reuse the old one.
- Clean both mating faces thoroughly
- Check for warped or pitted surfaces
- Recheck fastener tightness after the first drive
Specifications
| Brand | Omix-Ada |
|---|---|
| Part number | OAI18603.56 |
| Transfer case | Dana 18 |
| Engine | 6 cylinder |
Vehicle fitment
Fits 1967–1971 Jeep CJ5 and CJ6 models, including CJ5A and CJ6A, plus Commando, Dispatcher, DJ5, DJ6, Gladiator, Jeepster, Universal, Wagoneer (SJ) and J-series trucks from J-100 through J-4800.
Years outside 1967–1971 are not in the list. Confirm your engine is a 6 cylinder and confirm your vehicle’s year, model and trim before ordering.
What’s included
The product is the transfer case gasket.
Not included: the transfer case, transmission or other gaskets.
