4.2 Liter Engine

1987-1995 YJ Wrangler

Item numbers match the diagrams. Each part number searches Amazon for that Crown part.

Item #	Description	Years	Comments	Part No.
1	Valve Cover Nut	87/90		J4007199
2	Valve Cover Grommet	87/90		J3237837
3	Oil Filler Cap	87/90	w/ Plastic Valve Cover	33001016
4	Cylinder Head Bolt	87/90	1/2"-13 x 3.7" Long	6035514
5	Valve Cover Gasket	87/90 87/90 87/90	RTV Silicone Cork Rubber	J8993317 53005991G 5093785AA
6	Expansion Plug	87/90 87/90	2" Diameter 7/8" Diameter	J3105394 J3172319
7	Cylinder Head Gasket	87/90		J3237756
8	Camshaft Plug	87/90	2-9/64" Diameter	J3172313
9	Oil Filter	87/90	M20 x 1.5 Threads	33004195
10	Oil Pan Gasket	87/90 87/90	1 Piece Cork & Rubber Set (4-Piece)	53007568 83504662
11	Oil Pan to Rear Main Bearing Gasket	87/90		J3177635
12	Oil Pan to Timing Cover Gasket	87/90		J3172848
13	Oil Pan	87/89 1990	w/ Skid Plate Attached	J3243152 53020833AB
14	Oil Drain Plug	87/90	M14 x 1.25 Threads	83501425
15	Drain Plug Gasket	87/90	Aluminum	J3243136
16	Camshaft	87/90		J8133009
17	Crankshaft Sprocket	87/90		33004107
18	Camshaft Bearing Set	87/90 87/90	Set of 4; Standard .010"; Set of 4	J3205711 J3208985
19	Piston Ring Set	87/90 87/90 87/90	Standard; For 6 Pistons .010"; For 6 Pistons .020"; For 6 Pistons	J8121683 J8121684 J8121683020
20	Piston & Pin	87/90 87/90	Standard; Each .020" Oversized Piston & Pin; Each	J8134441 J8134441020
21	Connecting Rod	87/90		J3237812
22	Connecting Rod Bolt	87/90	Includes Nut	J4486626
23	Connecting Rod Bearing Connecting Rod Bearing Set	87/90 87/90 87/90 87/90	Standard; Each .010"; Each Standard; Set of 6 .010"; Set of 6	83500300 83500301 83500300K6 83500301K6
24	Crankshaft Sprocket Key	87/90		J3107002
25	Main Bearing Main Bearing Set	87/90 87/90 87/90	.002" Undersized; Each Standard; Set of 6 .010"; Set of 6	J8133682 8133252K6 8133254K6
26	Crankshaft Thrust Bearing	87/90 87/90 87/90	Standard; 1 Required .002"; 1 Required .010"; 1 Required	J8133253 J8133683 J8133255
27	Crankshaft Seal	87/90	Rear	4778126
28	Crankshaft Pilot Bearing	87/90		33004041
29	Flywheel Assembly	1987 88/90		J3240094 33002672
30	Flywheel Ring Gear	87/90	164 Teeth	J3179741
31	Converter Drive Plate	1987 88/90	w/ A999 Transmission; 164 Teeth w/ A999 Transmission; 164 Teeth	J3232138 33004359*
32	Oil Pump Kit	87/90	Includes Oil Pump, Pickup Tube, & Gasket	J3242141
33	Oil Pump Gasket	87/90		J3172332
34	Upper Gasket Set	87/90		83502384
35	Lower Gasket Set	87/90		J8125722
36	Rocker Arm Bridge	87/90	w/o Stud	J3236513
37	Rocker Arm Pivot	87/90	2-Piece Steel Type	J3235090
38	Rocker Arm Pivot Kit	87/90	Contains 2 Pivots & 1 Bridge	3236513K
39	Rocker Arm	87/90	Intake or Exhaust	J3242393
40	Valve Spring Lock	87/90	Intake or Exhaust; 2 Required Per Valve	J3180458
41	Valve Seal	87/90 87/90	Intake or Exhaust; Standard or .003" Intake or Exhaust; .015"	J3218976 J3218977
42	Intake Valve	87/90 87/90 87/90	Standard .003" .015"	J3240768 J3240166 J3240167
43	Exhaust Valve	87/90 87/90	Standard .015"	J3240767 J3240164
44	Valve Spring	87/90	Intake or Exhaust	J3228192
45	Rocker Arm Pivot Bolt	87/90	5/16" - 18 x 1-3/8" Flanged	J8120512
46	Push Rod	87/88 89/90	Intake or Exhaust Intake or Exhaust	J3242395 33004853*
47	Lifter	87/90	Intake or Exhaust	J3222276
48	Camshaft Sprocket	87/90		J3206693
49	Timing Chain	87/90		J3240502
50	Timing Chain Guide	87/90		33003446
51	Oil Slinger	87/90	Front	J3173076
52	Timing Cover	87/90		53020233
53	Crankshaft Seal	87/90	Front	J3224704
54	Harmonic Balancer	87/90 87/90	w/ V-Belt w/ Serpentine Belt	J3225201 J3242886
55	Harmonic Balancer Key	87/90	w/ Serpentine Drive	J3107234
56	Timing Cover Gasket & Seal Kit	87/90		J8129097
57	Timing Cover Gasket	87/90		J3225187
58	Timing Kit	87/90	Includes Timing Chain, Sprockets, Guide, & Gaskets	8126681K
59	Engine Mount	87/90	Left or Right	52040267
60	Transmission Mount	87/90		52002625
61	Transmission Stabilizer Stud Insulator	87/90	Upper or Lower	J0945266
62	Transmission Stabilizer Stud	87/90		J5358879
63	Exhaust Manifold	87/90		J3237427
64	Manifold Gasket Set	87/90		J3242855
65	Complete Engine Gasket Set	87/90	Includes #34 & 35 (Not Pictured)	J8124691
66	Rocker Arm Kit	87/90	Includes 12 Rocker Arms, 12 Pivots, & 6 Bridges	3242393K
67	Engine Mount Kit	87/90	Includes #59(2), 60(1), 61(2), & 62(1)	52019201K
68	Exhaust Manifold Kit	87/90	Includes Manifold & Gasket	3237427K
69	Oil Pan Kit	87/89	Includes Oil Pan & Gasket	3243152K

* This part is not currently carried by Crown Automotive