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Home> Jeep Engine Parts> 4.0L AMC Engine Parts Page 2

4.0 Liter (242) AMC Engine

1984-2001 Jeep Cherokee
1993-2004 Jeep Grand Cherokee
1987-1990 Jeep Wagoneer
1987-1992 Jeep Comanche
1991-2006 Jeep Wrangler

The 4.0 engine appeared in 1987 and was in production in North America until 2006, when the Jeep Wrangler TJ was replaced by the new JK. The 4.0 was discontinued at the end of the 2006. This engine has performance features suited for off-road use. The ample low end torque is ideal for trailing and rock crawling. The only downfall to the engine is the relatively low power output, especially at high rpm, for mudding applications but this can be fixed with various aftermarket options including a supercharger for the engine. Interchangeability within the late AMC/Jeep engine family is superb. The better flowing 4.0 L heads can easily be modified to fit earlier engines right along with the fuel injection system.
Click for Diagram 1

Click on images to find parts in table below


Item Image Name / Sku Year Range Comments Buy Now
24 Omix Standard Intake Valve

33003515

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1987-1998 Jeep Wrangler TJ, YJ, Cherokee XJ, Grand Cherokee with head marked " 15 ", w/ 1 groove

$5.57

Crown, Valve, Intake Standard With 3 Radius Cut Grooves

53010512AA

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1997-2006 Jeeps (See More Info) w/ 3 radius cut grooves (on stem)

$7.99

Omix Intake Valve - Sold Individually

17417.15

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1997-2006 Jeeps (See More Info)

$17.99

25 Crown Exhaust Valve - .015 Over

4637539

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1987-1999 Jeeps (See More Info) .015 Oversize

$13.99

Omix Standard Exhaust Valve
5/5

4637537

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1987-1999 Jeep Wrangler YJ, TJ 2.5L , 4.0L Std. w/ 1 radius cut groove (on stem)

$5.99

Crown Exhaust Valve (Standard with 3-Grooves) - Metal

53010513AA

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1999-2006 Jeeps (See More Info.) w/ 3 radius cut grooves (on stem)

$11.49

26 Crown Intake Valve Seal, Standard Size - Sold Individually

53009886

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1983-2006 Jeeps (See More Info) Intake

$1.99

Exhaust Valve Stem Seal

53009887

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1983-2006 4 Cyl. 2.5L, 4.0L, 5.2L. 5.9L Exhaust

$2.99

27 Lock, Valve Retainer

33003521

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1987-1995 Jeep Wrangler YJ w/ 1 radius cut groove (on stem)

$1.99

Lock, Valve Retainer w/3 Radius Cut Grooves

53010515AA

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1997-2002 Jeep Wrangler TJ, Cherokee w/ 3 radius cut grooves (on stem)

$1.99

28 Crown Replacement Rocker Arm

3242393

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1983-2006 Jeeps (See More Info)

$3.99

Omix Rocker Arm - Sold Individually

17408.06

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1983-2006 Jeeps (See More Info)

$4.99

Crown Rocker Arm Kit For 4.2L 258 and 4.0L 242 Engines

3242393K

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1983-2004 Jeep

$52.99

29 Rocker Arm Pivot

3235090

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1972-2004 Jeep w/ 4 Cyl 2.5L, 6 Cyl 4.0L, 4.2L, Amc 8 Cyl

$1.99

30 Omix Rocker Arm Bridge - Sold Individually

MRM1718

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1972-2006 Jeeps (See More Info.)

$3.99

31 Rocker Arm Pivot Kit

3236513K

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1980-2006 Jeep 2.5L, 4.2L, 4.0L, 5.0 or 5.9L Engine contains 2 pivots & 1 bridge

$3.99

32 Crown Rocker Arm Pivot Bolt - Sold Individually

9425708

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1972 To 2006 CJ, YJ & TJ Wrangler, XJ Cherokee, MJ Comanche

$1.99

33 Spring, Valve

53010388

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1995-2002 2.5L (150) Amc Engine

$9.99

34 Crown Hydraulic Lifter - Sold Individually

4740269

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1972-2006 Jeep CJ, YJ and TJ Wrangler

$6.99

MOPAR Valve Lifter

53010574AB-M

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1984-2006 Jeep See More Info 4.0L

$28.99

35 Crown Push Rod for 4.0L Engine - Sold Individually

33002986

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1987-2006 Jeeps (See More Info)

$1.99

36 Timing Cover

53020222

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1993-2002 Jeeps with 2.5L & 4.0L Engines

$39.99

Timing Cover with Gasket Kit

4720223

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1991-1992 Jeeps with 4.0L Engines (See More Info) With Molded Oil Pan Gasket

$59.99

37 Timing Cover Gasket Sets With Oil Seals
5/5

8129097

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1983-1991 6 Cylinder 232, 258

$6.99

38 Omix Front Crankshaft Oil Seals 2.5L, 4.0L & 4.2L

3224704

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1972-2006 Jeep Wrangler TJ, YJ, CJ, Cherokee & Comanche Front Main Seal

$1.99

39 Crown Timing Chain Cover Gasket

53020487

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1965-2006 Jeeps (See More Info)

$1.85

40 Timing Chain Guide

33003446

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1983-2002 Jeep CJ, Wrangler YJ & TJ, Cherokee XJ

$2.99

41 Timing Chains

33002977

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1987-1993 6 Cylinder 4.0L Sprocket tooth thickness = .28"

$11.99

Timing Chain

53020444

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1994-2006 Jeep Wrangler, Cherokee, Grand Cherokee Sprocket tooth thickness = .40"

$26.99

42 Crown Camshaft Sprocket

33002978

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1987-1993 Jeep 6 Cylinder 4.0L Sprocket tooth thickness = .28"

$18.99

Camshaft Sprocket

53020445

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1994-1998 Jeep Wrangler, Cherokee, Grand Cherokee Sprocket tooth thickness = .40"

$19.99

Camshaft Sprocket

53010557AA

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1999-2004 4.0L Engines

$82.99

+ FREE SHIPPING
43 Crown Crankshaft Sprocket

33002979

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1987-1993 Jeep Wrangler YJ with 4.0L Engine Sprocket tooth thickness = .28"

$18.56

Crankshaft Sprocket

53020443

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1994-2006 Jeep Wrangler, Cherokee, Grand Cherokee Sprocket tooth thickness = .40"

$19.99

44 Crown Vibration Damper (For 4.0L I-6 Engines)
5/5

33002920

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1987-2006 Jeep Wrangler YJ,TJ, XJ, ZJ, ZG, WG, WG (See Info)

$44.99

Crown Harmonic Balancer Kit for 4.0L Engines

33002920K

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1987-2006 Jeeps with 4.0L Engine (See More Info)

$59.99

45 Slinger, Oil 4.2L 258 Amc And 2.5L 150 Amc
5/5

3173076

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1972 To 2000 CJ 5 6 7 8 YJ XJ MJ

$1.99

46 Crown Pilot Bushings & Bearings 6 Cyl

33004041

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1987-1995 Jeep YJ Wrangler

$5.99

Pilot Bushings & Bearings 6 Cyl

53009181

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1992-2000 Jeep Wrangler TJ, YJ, Cherokee, Grand Cherokee

$15.99

47 CROWN Flywheel Ring Gear - Manual Transmission 4.0/4.2 (164 Teeth)

3179741

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1972-1999 Jeep CJ, Wrangler YJ & TJ, Cherokee XJ & ZJ w/ Manual Transmission

$21.59

48 MOPAR Flywheel

53010630AB

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2005-2006 Jeep Wrangler TJ & Wrangler Unlimited TJL 4.0L TJ

$229.99

+ FREE SHIPPING
Omix Flywheel, For Manual Transmission

53020519AB

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1991-1999 Jeep YJ, TJ, XJ, ZJ (With 4.0L 6-Cylinder Engine) 97/04 TJ, 91-95 YJ, 91-01 XJ, 93-96 ZJ

$105.71

+ FREE SHIPPING
Crown Clutch Flywheel Assembly

33002672

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1987-1990 Jeep Wrangler YJ, Cherokee XJ, Comanche MJ XJ

$104.99

+ FREE SHIPPING
49 Crown Crankshaft Rear Seal Kit

4778126

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1972-1999 Jeep CJ, Wrangler, Cherokee, Grand Cherokee Rear Main Seal

$9.99

Crown Crankshaft Seal - Rear (for 4.0L Engine)

5018594AA

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2000-2006 Jeeps (See More Info.)

$8.99

50 Exhaust Manifold

53006244

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1987-1990 Jeep Cherokee XJ 6 Cylinder 4.0L

$189.99

+ FREE SHIPPING
Crown Exhaust Manifold
1/5

4883385

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1991-1999 Jeep TJ, YJ, XJ, ZJ Includes Flex Bellows

$139.99

+ FREE SHIPPING
Crown Exhaust Manifold with Gasket
4/5

4883385K

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1991-1999 Jeeps (See More Info.) w/ Gasket

$154.99

+ FREE SHIPPING
Manifold, Exhaust Front Cast Iron

53010196

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2000-2006 Jeep Cherokee XJ, Grand Cherokee WJ, Wrangler TJ Cast Iron- Front ( WJ 1999-2004)

$199.99

+ FREE SHIPPING
Exhaust Manifold Rear Section

53010199

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1999-2006 Jeeps (See More Info.) Cast Iron- Rear ( WJ 1999-2004)

$199.99

+ FREE SHIPPING
51 Exhaust Manifold Gasket

4713263

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1987-1990 Jeeps w/ 4.0L Engine

$14.99

Crown Exhaust Manifold Gasket
5/5

53010238

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1991-1999 Jeeps (See More Info) w/ Tubular 1 pc. Manifold

$8.99

Intake & Exhaust Manifold Gasket (4.0L Engines)

4854038

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1999-2006 Jeep Wrangler TJ, Cherokee XJ, Grand Cherokee WJ w/ Cast Iron Split Manifold ( WJ 1999-2004)

$24.99

52 Crown Engine Mount for 4.0L & 4.2L Engines - Sold Individually
4.3/5

52040267

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1987-2001 Jeeps with 4.2L & 4.0L Engines (See More Info) XJ & YJ

$10.99

Crown Front Engine Mount , Right Side - RHD

52020018

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1991-2001 Jeep Cherokee XJ XJ RHD Right

$39.99

Mount, Front
5/5

52019201AC

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2000-2001 Jeep Cherokee XJ XJ

$12.99

Engine Mount, Left or Right
4.4/5

52019278

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1997-2006 Jeep Wrangler TJ 6 Cyl 4.0L TJ Left & Right

$24.99

Engine Mount OE Front Right Side

52018280

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1993-1998 Jeep Grand Cherokee ZJ 4.0L ZJ Right

$29.99

Engine Mount OE Front Left Side

52018281

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1993-1998 Grand Cherokee ZJ 4.0L ZJ Left

$39.99

Front Motor Mount, Right Side

52058928

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1999-2004 Jeep Grand Cherokee WJ 4.0L WJ Right

$56.97

Front Motor Mount, Left Side

52058929

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1999-2004 Jeep Cherokee WJ WJ Left

$61.99

53 Crown Transmission Mount

52002625

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1987-1995 Jeep Wrangler YJ YJ

$13.85

Crown Automatic Transmission Mount

52002334

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1984-1999 Jeep Cherokee XJ, Comanche MJ XJ

$20.77

Motor Mount, Rear (transmission)

52059347AB

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2000-2001 Jeep Cherokee XJ XJ

$53.99

Crown Transmission Mount (2.5L, 2.5L, 4.0L) - Metal Black

52058551AB

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1997-2002 Jeep Wrangler TJ (with 2.5L, 2.5L, 4.0L Engines) TJ

$24.62

54 Crown Front Exhaust Bracket Insulator

53000101

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1984-1995 Jeep Cherokee XJ, Comanche MJ XJ

$2.99

55 Cushion Assembly

83505567

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1987-1990 Jeep Wrangler YJ w/Peugeot Ba 10/5 Transmission w/ Peugeot BA10/5 Transmission

$74.99

56 Bracket Assembly, Rear Mount

52018096

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1993-1996 Jeep Grand Cherokee ZJ ZJ- w/ Manual Transmission

$54.99

57 Transmission Mount

52058485

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1997-1998 Grand Cherokee ZJ 4.0L

$37.99

Crown Transmission Mount for Automatic Transmission

52058995

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1999-2004 Jeep Grand Cherokee WJ
2WD with 4.0L Engine
WJ 2WD only

$42.99

Crown Transmission Mount

52058994

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1999-2004 Jeep Grand Cherokee WJ 4WD with 4.0L Engine WJ 4WD only

$44.99

58 Engine Mount Kit

52019201K

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1987-1995 Jeep Wrangler YJ 4.2L 4.0L 6 Cyl YJ only

$39.99

Engine Mount Kit 4.0L

52019201K-P

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1987-1989 Jeep Cherokee 4.0L Engine & Peugeot Transmission 4.0L w/Peugeot Transmission

$85.99

+ FREE SHIPPING
58a Rugged Ridge Engine Mounts Red Polyurethane, 4.0L Engine - Pair

1-502

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1987-2006 Jeeps See More Info. RED- PAIR

$181.99

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Rugged Ridge Engine Mounts Black Polyurethane, 4.0L Engine

1-502BL

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1987-2006 Jeeps See more info. BLACK- PAIR

$181.99

+ FREE SHIPPING

Years Covered: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006

Click for Diagram 1
 
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