Overview
The Omix-ADA OAI12029.04 is a rear frame crossmember for the 1976–1983 Jeep CJ5, the 1976–1986 Jeep CJ7 and the 1981–1985 Jeep Scrambler. It is 1/8 inch thick and ships unpainted.
Welding is required to install it. Omix-ADA’s replacement is sized to the original part and carries a limited five year manufacturer warranty.
Key features
- Rear frame crossmember
- 1/8 inch thick steel
- Welding required
- Unpainted finish
- Crossmember included
Signs of a tired crossmember
A rear crossmember carries the rear of the frame and supports components that move with the axle and suspension. Over time, the metal can thin where moisture collects, and the welds can crack from flex and vibration. Look under the vehicle for bulging, bent sections and gaps where the crossmember meets the frame.
Off-road use puts repeated stress on the frame, so inspect the crossmember after rough trips. Tap the metal with a hammer to find soft spots, and check the mounts for cracks or loose fasteners. Anything that moves or shows cracking should be dealt with before the vehicle is driven hard again.
- Check welds for hairline cracks
- Look for thin or flaking metal
- Confirm mounts sit tight and undamaged
Specifications
| Brand | Omix-ADA |
|---|---|
| Part number | OAI12029.04 |
| UPC | 804314044220 |
| Position | Rear |
| Material | Steel, 1/8 inch thick |
| Finish | Unpainted |
| Installation | Welding required |
| Bolt-on shock mounts | Not included |
| Pinion snubber bracket | Not included |
| Fitment type | Direct fit |
Vehicle fitment
The fitment data covers the 1976–1983 Jeep CJ5 in its Base, Golden Eagle, Laredo, Limited and Renegade versions, the 1976–1986 Jeep CJ7 in its Base, Golden Eagle, Golden Hawk, Laredo, Limited and Renegade versions, and the 1981–1985 Jeep Scrambler in its Base, Laredo, Renegade, SL and SR versions.
The fitment data does not include the early CJ models from the 1950s and 1960s or any Wrangler. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Welding is required, and the crossmember ships unpainted. Paint it after installation so the welded and bare steel is protected against corrosion.
What’s included
The crossmember is included.
Not included: bolt-on shock mounts and a pinion snubber bracket.
