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jeep engine replacement parts3.8L Engine Pistons & Bearings

Crown Automotive offers the largest line of Engine replacement parts for Jeep®. Our applications include Cylinder Head, Engine Oiling, Pistons, Bearings, Camshaft, Crankshaft, Valves, Timing, Mounts and Gaskets for all Jeep® models.

3.8L Engine Pistons & Bearings

Piston (Std)

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Replaces Part #: J8127654
Price: (Log in to see price)
Fits:
  • Jeep CJ-5 (1972-1978) w/ 3.8L engine.
  • Jeep CJ-6 (1972-1975) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1971-1978) w/ 4.2L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1978) w/ 4.2L engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L engine.
  • Jeep SJ & J-Series (1965-1978) w/ 3.8L engine.
  • Jeep SJ & J-Series (1971-1978) w/ 4.2L engine.
Piston Ring Set (.010)

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Replaces Part #: J8121684
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1972-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1971-1983) w/ 4.2L engine.
  • Jeep CJ-6 (1972-1975) w/ 3.8L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  • Jeep C101 Commando (1966-1971) w/ V6-225 engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L engine.
  • Jeep SJ & J-Series (1965-1979) w/ 3.8L engine.
  • Jeep SJ & J-Series (1971-1986) w/ 4.2L engine.
  •  
  • .010″ Oversized Piston Ring Set for 6 Pistons.
Connecting Rod Bearing

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Replaces Part #: 83500300
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (YJ) (1987-1995) w/ 2.5L engine.
  • Jeep Wrangler (YJ) (1991-1995) w/ 4.0L engine.
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
  • Jeep Wrangler (TJ) (1997-2002) w/ 2.5L engine.
  • Jeep Wrangler (TJ) (1997-2006) w/ 4.0L engine.
  • Jeep Cherokee (XJ) (1984-2000) w/ 2.5L engine.
  • Jeep Cherokee (XJ) (1987-2001) w/ 4.0L engine.
  • Jeep Comanche (MJ) (1986-1992) w/ 2.5L engine.
  • Jeep Comanche (MJ) (1987-1992) w/ 4.0L engine.
  • Jeep Grand Cherokee (WJ) (1999-2004) w/ 4.0L engine.
  • Jeep Grand Cherokee (WG) (2001-2004); WG (Europe) model w/ 4.0L engine.
  • Jeep Grand Cherokee (ZJ) (1993-1998) w/ 4.0L engine.
  • Jeep Grand Cherokee (ZG) (1997-1998); ZG (Europe) model w/ 4.0L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1972-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1971-1983) w/ 4.2L engine.
  • Jeep CJ-5 (1971-1981) w/ 5.0L engine.
  • Jeep CJ-6 (1972-1975) w/ 3.8L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-6 (1971-1975) w/ 5.0L engine.
  • Jeep CJ-7 (1983-1986) w/ AMC 2.5L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-7 (1971-1981) w/ 5.0L engine.
  • Jeep CJ-8 (1983-1986) w/ AMC 2.5L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L or 5.0L engine.
  • Jeep SJ & J-Series (1970-1979) w/ 3.8L engine.
  • Jeep SJ & J-Series (1971-1986) w/ 4.2L engine.
  • Jeep SJ & J-Series (1970-1991) w/ 5.9L engine.
Fits Dodge:
  • Dodge Dakota (AN) (1994-2002) w/ 2.5L engine.
  •  
  • Standard Connecting Rod Bearing; For 1 Connecting Rod.
Connecting Rod

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Replaces Part #: J3237812
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1971-1983) w/ 4.2L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L engine.
  • Jeep SJ & J-Series (1965-1970) w/ 3.8L engine; After Engine Build Code 710-L-21 and Before 307-E-20.
  • Jeep SJ & J-Series (1971-1986) w/ 4.2L engine.
Connecting Rod Bearing

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Replaces Part #: 83500301
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (YJ) (1987-1995) w/ 2.5L engine.
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
  • Jeep Wrangler (YJ) (1991-1995) w/ 4.0L engine.
  • Jeep Wrangler (TJ) (1997-2002) w/ 2.5L engine.
  • Jeep Wrangler (TJ) (1997-2006) w/ 4.0L engine.
  • Jeep Cherokee (XJ) (1984-2000) w/ 2.5L engine.
  • Jeep Cherokee (XJ) (1987-2001) w/ 4.0L engine.
  • Jeep Comanche (MJ) (1986-1992) w/ 2.5L engine.
  • Jeep Comanche (MJ) (1987-1992) w/ 4.0L engine.
  • Jeep Grand Cherokee (WJ) (1999-2004) w/ 4.0L engine.
  • Jeep Grand Cherokee (WG) (2001-2004); WG (Europe) model w/ 4.0L engine.
  • Jeep Grand Cherokee (ZJ) (1993-1998) w/ 4.0L engine.
  • Jeep Grand Cherokee (ZG) (1997-1998); ZG (Europe) model w/ 4.0L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1972-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1971-1986) w/ 4.2L engine.
  • Jeep CJ-5 (1966-1971) w/ V6-225 engine.
  • Jeep CJ-5 (1971-1981) w/ 5.0L engine.
  • Jeep CJ-6 (1972-1975) w/ 3.8L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-6 (1966-1971) w/ V6-225 engine.
  • Jeep CJ-6 (1971-1975) w/ 5.0L engine.
  • Jeep CJ-7 (1983-1986) w/ AMC 2.5L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1981) w/ 5.0L engine.
  • Jeep CJ-8 (1983-1986) w/ AMC 2.5L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  • Jeep C101 Commando (1966-1971) w/ V6-225 engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L or 5.0L engine.
  • Jeep SJ & J-Series (1968-1971) w/ V8-350 engine.
  • Jeep SJ & J-Series (1970-1979) w/ 3.8L engine.
  • Jeep SJ & J-Series (1971-1986) w/ 4.2L engine.
  • Jeep SJ & J-Series (1970-1991) w/ 5.9L engine.
Fits Dodge:
  • Dodge Dakota (AN) (1994-2002) w/ 2.5L engine.
  •  
  • .010″ Connecting Rod Bearing; For 1 Connecting Rod.
Connecting Rod Bearing Set (6)

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Replaces Part #: 83500301K6
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (TJ) (1997-2006) w/ 4.0L engine.
  • Jeep Wrangler (YJ) (1991-1995) w/ 4.0L engine.
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
  • Jeep Cherokee (XJ) (1987-2001) w/ 4.0L engine.
  • Jeep Comanche (MJ) (1987-1992) w/ 4.0L engine.
  • Jeep Grand Cherokee (WJ) (1999-2004) w/ 4.0L engine.
  • Jeep Grand Cherokee (WG) (2001-2004); WG (Europe) model w/ 4.0L engine.
  • Jeep Grand Cherokee (ZJ) (1993-1998) w/ 4.0L engine.
  • Jeep Grand Cherokee (ZG) (1997-1998); ZG (Europe) model w/ 4.0L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1975-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1975-1983) w/ 4.2L engine.
  • Jeep CJ-6 (1975-1975) w/ 3.8L engine.
  • Jeep CJ-6 (1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  •  
  • Engine Set of 6 83500301; .010″.
Connecting Rod Bearing Set (6)

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Replaces Part #: 83500300K6
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (TJ) (1997-2006) w/ 4.0L engine.
  • Jeep Wrangler (YJ) (1991-1995) w/ 4.0L engine.
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
  • Jeep Cherokee (XJ) (1987-2001) w/ 4.0L engine.
  • Jeep Comanche (MJ) (1987-1992) w/ 4.0L engine.
  • Jeep Grand Cherokee (WJ) (1999-2004) w/ 4.0L engine.
  • Jeep Grand Cherokee (WG) (2001-2004); WG (Europe) model w/ 4.0L engine.
  • Jeep Grand Cherokee (ZJ) (1993-1998) w/ 4.0L engine.
  • Jeep Grand Cherokee (ZG) (1997-1998); ZG (Europe) model w/ 4.0L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1975-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1975-1983) w/ 4.2L engine.
  • Jeep CJ-6 (1975-1975) w/ 3.8L engine.
  • Jeep CJ-6 (1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  •  
  • Engine Set of 6 83500300.
Piston Ring Set (Std)

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Replaces Part #: J8121683
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1972-1978) w/ 3.8L engine.
  • Jeep CJ-6 (1972-1975) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1971-1983) w/ 4.2L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L engine.
  • Jeep SJ & J-Series (1965-1979) w/ 3.8L engine.
  • Jeep SJ & J-Series (1971-1986) w/ 4.2L engine.
  •  
  • Standard Piston Ring Set; For 6 Pistons.
Piston Ring Set

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Replaces Part #: J8121683020
Price: (Log in to see price)
Fits Jeep:
  • Jeep Wrangler (YJ) (1987-1990) w/ 4.2L engine.
Fits Vintage Jeep:
  • Jeep CJ-5 (1972-1978) w/ 3.8L engine.
  • Jeep CJ-6 (1972-1975) w/ 3.8L engine.
  • Jeep CJ-7 (1976-1978) w/ 3.8L engine.
  • Jeep CJ-5 (1971-1983) w/ 4.2L engine.
  • Jeep CJ-6 (1971-1975) w/ 4.2L engine.
  • Jeep CJ-7 (1976-1986) w/ 4.2L engine.
  • Jeep CJ-8 (1981-1986) w/ 4.2L engine.
  • Jeep C104 Commando (1972-1973) w/ 4.2L engine.
  • Jeep SJ & J-Series (1965-1979) w/ 3.8L engine.
  • Jeep SJ & J-Series (1971-1986) w/ 4.2L engine.
  •  
  • .020″ Oversized Piston Ring Set; For 6 Pistons.