Main Bearing Set (3.8L, 4.0L and 4.2L), .020 inch Over, 1972-1990 Models

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

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 bored 0.020-inch over. Replaces OE 4289M.020

Fitment

Year	Make	Model
1984	Jeep	CJ7
1982	Jeep	Scrambler
1979	Jeep	CJ7
1972	Jeep	J-4800
1981	Jeep	Cherokee
1982	Jeep	Wagoneer
1977	Jeep	CJ7
1977	Jeep	J10
1979	Jeep	J10
1976	Jeep	J10
1985	Jeep	Grand Wagoneer
1976	Jeep	J20
1982	Jeep	CJ5
1973	Jeep	J-2600
1973	Jeep	J-4800
1974	Jeep	J10
1976	Jeep	Wagoneer
1975	Jeep	Wagoneer
1985	Jeep	Scrambler
1980	Jeep	Wagoneer
1980	Jeep	CJ7
1972	Jeep	J-2600
1973	Jeep	J-2500
1980	Jeep	CJ5
1981	Jeep	CJ7
1974	Jeep	J20
1987	Jeep	J10
1978	Jeep	CJ5
1985	Jeep	J10
1982	Jeep	J10
1978	Jeep	J10
1983	Jeep	J10
1972	Jeep	J-2500
1982	Jeep	Cherokee
1975	Jeep	Cherokee
1973	Jeep	DJ5
1981	Jeep	CJ5
1990	Jeep	Cherokee
1975	Jeep	J10
1972	Jeep	J-4600
1975	Jeep	J20
1986	Jeep	Grand Wagoneer
1978	Jeep	CJ7
1976	Jeep	Cherokee
1989	Jeep	Cherokee
1976	Jeep	CJ7
1974	Jeep	CJ6
1973	Jeep	J-4600
1975	Jeep	CJ5
1981	Jeep	J10
1973	Jeep	J-100
1987	Jeep	Comanche
1983	Jeep	Scrambler
1988	Jeep	Grand Wagoneer
1984	Jeep	J10
1982	Jeep	CJ7
1983	Jeep	Cherokee
1972	Jeep	Commando
1976	Jeep	CJ5
1979	Jeep	CJ5
1972	Jeep	CJ6
1973	Jeep	CJ6
1979	Jeep	Cherokee
1980	Jeep	J10
1972	Jeep	J-100
1986	Jeep	J10
1973	Jeep	J-4500
1987	Jeep	Cherokee
1973	Jeep	CJ5
1981	Jeep	Wagoneer
1973	Jeep	J-4700
1990	Jeep	Comanche
1988	Jeep	Wrangler
1981	Jeep	Scrambler
1973	Jeep	Wagoneer
1977	Jeep	Cherokee
1986	Jeep	CJ7
1989	Jeep	Grand Wagoneer
1990	Jeep	Grand Wagoneer
1974	Jeep	Cherokee
1972	Jeep	J-4700
1974	Jeep	DJ5
1988	Jeep	Comanche
1977	Jeep	Wagoneer
1979	Jeep	Wagoneer
1989	Jeep	Comanche
1972	Jeep	Wagoneer
1974	Jeep	Wagoneer
1973	Jeep	Commando
1972	Jeep	J-4500
1983	Jeep	Wagoneer
1974	Jeep	CJ5
1977	Jeep	CJ5
1983	Jeep	CJ7
1984	Jeep	Grand Wagoneer
1980	Jeep	Cherokee
1987	Jeep	Wrangler
1983	Jeep	CJ5
1978	Jeep	Cherokee
1987	Jeep	Grand Wagoneer
1972	Jeep	CJ5
1985	Jeep	CJ7
1988	Jeep	Cherokee
1989	Jeep	Wrangler
1975	Jeep	CJ6
1984	Jeep	Scrambler
1978	Jeep	Wagoneer
1990	Jeep	Wrangler