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Trailquest Jeep® Parts
7888 Memorial Drive
Plain City, OH 43064
Local Calls 614-873-8337

Restoration, Replacement, & Off-Road
Jeep Parts


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4.0L Engine 242AMC 4.0L 242
2.5L Engine 150AMC 2.5L 150
4.2L Engine 258AMC 4.2L 258
AMC V8 engineAMC V-8
Chrysler V8 EngineChrysler V-8
Chrysler Engine 3.7Chrysler 3.7L
Chrysler Engine 4.7Chrysler 4.7L

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Valve CoversValve Covers

Jeep Liberty KJ KK replacement partsLiberty
Jeep WranglerWRANGLER
Jeep Wrangler JKJK
Jeep Wrangler TJTJ
Wrangler YJYJ
Jeep Grand CherokeeGRAND CHEROKEE
Jeep Grand Cherokee WK replacement body partsWK
Grand Cherokee WJWJ
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CJ8 ScramblerScrambler
CJ7CJ-7
CJ-576-83 CJ-5
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CJ2ACJ-2A
M38 military jeepM38
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AMC 4.0L 242 Engine
The AMC 4.0L 242 Engine was used on Jeep vehicles from 1987 - 2006
1987-2001 Cherokee XJ | 1993-1998 Grand Cherokee ZJ | 1999-2004 Grand Cherokee WJ | 1987-1992 Comanche MJ | 1991-2006 Wrangler YJ & TJ
[Omix-Ada Logo] [Crown Automotive]
[AMC 4.0 liter engine]
NO. DESCRIPTION COMMENTS YEAR PART# PRICE
1 Valve Cover; Aluminum Black (some modification may be needed) 1993-94 53020323-ALB $119.95
Yellow (some modification may be needed) 1993-94 53020323-ALY $119.95
Red (some modification may be needed) 1993-94 53020323-ALR $119.95
2 Gasket, Valve Cover Use RTV Silicone 1987-95 4318025 $ 7.95
  1996-04 53020758AC $21.95
3 Gasket, Cylinder Head   1987-02 53020754AB $16.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

4 Gasket Set, Upper   1987-99 4636982AC $70.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

5 Gasket Set, Lower Cork & Rubber Oil Pan Set 1987-91 83505389 $16.95
1 pc. Pan Gasket 1992-02 4740008AC $33.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

6 Filter, Engine Oil Metric Threads 1987-90 33004195 $ 7.95
SAE Threads 1991-04 5281090 $ 4.95
7 Pump, Oil   1987-90 33002921 $89.95
  1991-04 3241399 $105.95
8 Oil Pan less sensor 1987-05 53020833AB $62.95
8A Gasket Set, Oil Pan 4 pc. Cork & Rubber set 1987-91 83504662 $ 8.95
Gasket Set, Oil Pan (1 pc.) 1991-04 53007568AC $24.95
9 Cap, Oil Filler   1987-90 33001016 $ 5.95
w/ 2 tab attachment 1991-94 53020555 $ 3.95
w/ 2 tab attachment (XJ & ZJ) 1995 53020555 $ 3.95
w/ 1-7/32" diam. twist on thread (YJ) 1995 4777536 $6.95
w/ 1-7/32" diam. twist on thread 1996-00 4777536 $6.95
10 Plug, Oil Pan Plug & Gasket, metric thread 1987-91 83501425 $ 2.95
1 pc., rubber coated, 1/2"-20 1991-02 6035417 $ 2.95
11 Grommet   1987-90 4762592 $ 4.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

12 Piston & Pin (each) Standard 1987-95 83500251 $29.95
+.010" 1987-95 83500252 $29.95
Standard 1996-04 4798329 $52.95
13 Ring Set (for 6 pistons) Standard 1987-95 4762462 $48.95
Standard 1996-04 4798878 $117.95
14 Rod, Connecting   1987-90 53020126 $21.95
15 Bolt, Connecting Rod includes nut 1987-04 53020123 $ 2.95
16 Main Bearing, Crankshaft Standard, with offset tab (6 needed) 1987-90 8133252 $ 5.95
16A Main Bearing Set Standard, with offset tab 1987-90 8133252K6 $39.95
Standard, with centered tab 1987-90 83507079K $82.95
17 Bearing, Connecting Rod Standard (6 needed) 1987-04 83500300AB $ 8.95
.010" Undersize (6 needed) 1987-04 83500301AB $ 8.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

19 Plug, Camshaft 2-9/64" Diam. 1987-04 3172313 $ 2.95
20 Plug, Oil Hole 2" Diam. 1987-04 3105394 $ 2.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

22 Camshaft   1987-95 33002981 $127.95
23 Bearing Set, Camshaft (set of 5) 1987-98 3205711 $27.95
Bearing Set, Camshaft (set of 5) 1999-02 4636985AB $44.95
Bearing Set, .010 .010" Oversize (set of 5) 1987-98 3208985 $29.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

24 Valve, Intake, Std. with head marked "15" (1 groove) 1987-98 33003515 $ 6.95
with 3 radius cut grooves ( on stem 1998-04 53010512AA $ 5.95
25 Valve, Exhaust, Std with 1 radius cut groove ( on stem 1987-98 4637537 $ 8.95
with 3 radius cut grooves ( on stem 1998-04 53010513AA $ 8.95
26 Seal, Valve Stem Intake 1987-04 53009886 $ 1.95
Exhaust 1987-04 53009887 $ 1.95
27 Lock, Valve Retainer with 1 radius cut groove ( on stem 1987-98 33003521 $ 1.95
with 3 radius cut grooves ( on stem 1998-04 53010515AA $ 1.95
28 Rocker Arm   1987-04 3242393 $ 5.95
29 Pivot, Rocker Arm   1987-04 3235090 $ 2.95
30 Bridge, Rocker Arm Pivot   1987-04 3236513 $ 3.95
31 Pivot Kit contains 2 pivots & 1 bridge 1987-04 3236513K $ 4.95
32 Bolt, Rocker Arm Pivot   1987-04 9425708 $ 1.95
33 Tappet (Lifter)   1987-01 4740269 $ 8.95
34 Push Rod   1987-04 33002986 $ 3.95
35 Timing Cover   1987-92 53020233 $37.95
  1993-99 53020222 $35.95
36 Gasket & Seal Kit, Timing   1987-91 8129097 $ 7.95
37 Seal, Crankshaft Front Front Main Seal 1987-04 33004681 $ 3.95
38 Gasket, Timing Cover   1987-04 53020487 $ 1.95
39 Snubber, Timing Chain   1987-04 33003446 $ 6.95
40 Chain, Timing Sprocket tooth thickness = .28" 1987-93 33002977 $35.95
Sprocket tooth thickness = .40" 1994-04 53020444 $34.95
41 Sprocket, Camshaft Sprocket tooth thickness = .28" 1987-93 33002978 $16.95
Sprocket tooth thickness = .40" 1994-98 53020445 $15.95
  1999-04 53010557AA $49.95
42 Sprocket, Crankshaft Sprocket tooth thickness = .28" 1987-93 33002979 $17.95
Sprocket tooth thickness = .40" 1994-04 53020443 $ 8.95
43 Damper, Vibration   1987-04 33002920AB $43.95
44 Slinger, Oil   1987-00 3173076 $ 2.95
45 Bearing, Crankshaft Pilot   1987-91 33004041 $ 7.95
  1992-99 53009181 $ 5.95
46 Ring Gear, Flywheel with Manual Transmission 1987-93 3179741 $23.95
47 Seal Kit, Crankshaft Rear Rear Main Seal 1987-04 4778126 $ 9.95

jeep AMC 242 engine
[AMC 4.0 liter engine]

48 Manifold, Exhaust   1987-90 53006244 $182.95
includes Flex Bellows 1991-99 4883385 $159.95
less Flex Bellows 1991-97 33007072 $135.95
Cast Iron - Front (WJ 99/04) 2000-04 53010196 $188.95
Cast Iron - Rear (WJ 99/04) 2000-04 53010199 $188.95
49 Gasket, Manifold   1987-90 4713263 $14.95
w/ Tubular 1 pc. Manifold 1991-99 53010238 $10.95
50 Engine Mount, Front except ZJ 1987-99 52019201AB $ 8.95
XJ - RHD Right 1993-96 52020018 $39.95
XJ - RHD Left 1993-99 52019201AB $ 8.95
TJ - Left & Right 1997-02 52019278AB $12.95
TJ - Right 2003 52019278AB $12.95
TJ - Left 2003 52019276AB $12.95
ZJ - Right 1993-98 52058502 $25.95
ZJ - Left 1993-98 52058503AB $28.95
WJ - Right 1999-04 52058928 $43.95
WJ - Left 1999-04 52058929 $38.95
Engine Transmission Mount 52002625
[4.0L Engine Transmission Mount]
51 Mount, Rear (transmission) YJ 1991-95 52002625 $12.95
XJ 1987-99 52002334 $15.95
TJ 1997-03 52058551AB $18.95
52 Insulator, Support Bracket XJ 1987-95 53000101 $ 2.95
53 Cushion Assembly with Peugeot BA10/5 Transmission 1987-90 83505567 $67.95
54 Bracket Assembly, Rear ZJ w/ Automatic Transmission 1993-96 52018857 $31.95
ZJ w/ Manual Transmission 1993-96 52018096 $23.95
55 Support, Transmission ZJ 1997-98 52058485 $31.95
WJ (4WD only) 1999-04 52058995 $34.95
Wrangler YJ Engine Mount Kit 52019201K
[Wrangler YJ engine Mount Kit]
56 Mount Kit YJ only 1987-95 52019201K $34.95
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