Main Bearing Set (3.8L, 4.0L and 4.2L), .030 inch Over, 1972-1990 Models

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Over time all internal engine wear surfaces become worn. This is true for crankshaft journals, connecting rods, camshaft lobes, piston rings, bearings, etc. When rebuilding a worn out engine you'll need to replace them all in order to regain the engine's original performance. And, let's face it, Jeep's need all the power we can get. Omix offers new high quality replacement engine parts to get your Jeep back on the road. This replacement main bearing set fits 72-83 CJ5, 72-75 CJ6, 76-86 CJ7, 81-86 CJ8 Scrambler, 72-73 Commando, 72-73 Trucks, 72-83 Cherokee / Wagoneer, 73-74 DJ5, 84-86 Grand Wagoneer, 87-90 Comanche MJ and 87-90 Wrangler YJ models equipped with 3.8, 4.0 and 4.2 liter engines with 0.030-inch under size crank. Replaces OE 4289M.030

• .030 over
• Engine work maybe required to install this part
• Limited 5 Year Warranty

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Information:

Are you rebuilding an engine and need a fresh set of main bearings? Omix-ADA offers high-quality replacement main bearing sets from Standard to .080 thousandths over size. They will give you years of service and get you back on the road.

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Application Summary:

Year	Make/Model
1974-1983	Jeep Cherokee
1987-1990	Jeep Cherokee
1972-1983	Jeep CJ5
1972-1975	Jeep CJ6
1976-1986	Jeep CJ7
1987-1990	Jeep Comanche
1972	Jeep Commando
1973-1974	Jeep DJ5
1984-1986	Jeep Grand Wagoneer
1972-1973	Jeep J-2500
1972-1973	Jeep J-2600
1974-1987	Jeep J10
1974	Jeep J20
1976	Jeep J20
1981-1985	Jeep Scrambler
1972-1973	Jeep Wagoneer
1980-1983	Jeep Wagoneer
1987-1990	Jeep Wagoneer
1987-1990	Jeep Wrangler