3.8L (S6-232) and 4.2L (S6-258)
3.8L (S6-232): 1965-1979 CJ-5, 6, 7, SJ, J-Series
4.2L (S6-258): 1971-1986 CJ-5, 6, 7, 8, C104 Commando, SJ, J-Series
Item numbers match the diagrams. Each part number searches Amazon for that Crown part.
| Item # | Description | Years | Application | Engine | Comments | Part No. |
|---|---|---|---|---|---|---|
| 1 | Cover, Valve | 1981-86 | All | 4.2L (6-258) | Plastic | 83501398 |
| 2 | Valve Cover Kit |
1981-86 1981-86 1981-86 |
All All All |
4.2L (6-258) 4.2L (6-258) 4.2L (6-258) |
Plastic Aluminum, Unpainted Aluminum, Painted Black |
83501398K RT35004 RT35005 |
| 3 | Cap, Oil Filler |
1965-79 1981-86 |
All All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
Twist-on Twist-on |
J8132312 33001016 |
| 4 | Hose, Valve Cover to Air Cleaner | 1971-75 | All | 3.8L (6-232), 4.2L (6-258) | J3190565 | |
| 5 | PCV Valve |
1972-74 1975 1975 1976-77 1978-80 1981 1982 1983-86 1972-73 1965-75 1976-77 1978-80 1981-86 |
CJ-5, 6 CJ-5, 6 w/ Manual Trans. CJ-5, 6 w/ Auto. Trans. CJ-5, 7 CJ-5, 7 CJ-5, 7, 8 CJ-5, 7, 8 CJ-5, 7, 8 C104 Commando SJ, J-Series SJ, J-Series SJ, J-Series SJ, J-Series |
4.2L (6-258) 3.8L (6-232) 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) |
w/ California Emissions 2 Outlets 1 Outlet |
J3211538 J3211538 J3211538 J3230351 J3236680 J3240359 J3241629 33000887 J3211538 J3211538 J3230351 J3236680 33000887 |
| 6 | Grommet, Valve Cover | 1976-86 | All (Export) | 4.2L (6-258) | .45" ID | J3225627 |
| 7 | Gasket, Valve Cover |
1965-80 1981-86 1981-86 |
All All All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) |
Cork Layered Foam Rubber Cork |
J8126762 J8053050 J8053050C |
| 8 | Nut, Valve Cover Retainer | 1981-86 | All | 4.2L (6-258) | J4007199 | |
| 9 | Shaft, Rocker Arm | 1966-74 | All | 3.8L (6-232), 4.2L (6-258) | w/ Shaft Rocker Arms | J8125322 |
| 10 | Bolt, Cylinder Head |
1981-86 1981-86 |
All All |
4.2L (6-258) 4.2L (6-258) |
1/2"-13 x 3.7" Long 1/2"-13 x 3" Long |
6035514 J3172330 |
| 11 | Gasket, Cylinder Head | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3237756 | |
| 12 | Plug, Expansion | 1972-76 | All | 3.8L (6-232), 4.2L (6-258) | 7/8" Diameter | J3172319 |
| 13 | Plug, Camshaft | 1972-86 | All | 4.2L (6-258) | 2-9/64" Diameter | J3172313 |
| 14 | Dipstick Tube | 1974-82 | All | 3.8L (6-232), 4.2L (6-258) | J3176846 | |
| 15 | Gasket, Intake & Exhaust Manifold | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3242855 | |
| 16 | Gasket, Intake to Exhaust Manifold | 1965-79 | All | 3.8L (6-232), 4.2L (6-258) | J3184277 | |
| 17 | Gasket, Oil Pan |
1965-86 1965-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
4-Piece 1-Piece |
83504662 53007568 |
| 18 | Seal, Oil Pan to Timing Cover | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3172848 | |
| 19 | Oil Pan | 1972-86 | All | 4.2L (6-258) | w/ Skid Plate Attached | J3243152 |
| 20 | Plug, Oil Drain |
1965-86 1983-86 |
All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
1/2"-20 Threads M14 x 1.25 Threads |
J3206696 83501425 |
| 21 | Gasket, Oil Drain Plug |
1965-86 1965-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Aluminum Copper |
J3170271 J3243136 |
| 22 | Gasket, Oil Pump | 1981-86 | All | 4.2L (6-258) | J3172332 | |
| 23 | Oil Pump |
1965-80 1981-86 |
All All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
Includes Inlet Tube and Gasket Includes Inlet Tube and Gasket |
J3181340 J3242141 |
| 24 | Pick Up, Oil Pump | 1965-80 | All | 3.8L (6-232), 4.2L (6-258) | J3181471 | |
| 25 | Oil Filter |
1965-82 1983-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
|
J8993146 J3242397 |
| 26 | Mount, Engine |
1965-71 1971-76 1977 1977 1978-86 |
All All All All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Left or Right Left or Right L or R; Top and Bottom Plates Not Interlocked L or R; Top and Bottom Plates Interlocked Left or Right |
J0939993 J3173681 J3173681 J8128488 J8128488 |
| 27 | Mount, Transmission | 1972-86 | All | 3.8L (6-232), 4.2L (6-258) | 5-1/4" Long | J1370910 |
| 28 | Stud, Transmission Insulator | 1676-86 | All | 4.2L (6-258) | At Crossmember | J5358879 |
| 29 | Engine Mount Kit | 1977-86 | All | 4.2L (6-258) | 8128488K | |
| 30 | Gasket Set, Lower | 1975-86 | All | 3.8L (6-232), 4.2L (6-258) | J8125722 | |
| 31 | Exhaust Manifold Kit |
1972-74 1975-79 |
All w/o Emissions Pump All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Includes Manifold and Gaskets Includes Manifold and Gaskets |
8124999K 8124999K |
| 32 | Exhaust Manifold Kit | 1980-86 | All | 4.2L (6-258) | Includes Manifold and Gaskets | 3237427K |
| 33 | Nut, Rocker Arm Cover | 1981-86 | All w/o VAM Engine | 4.2L (6-258) | w/ Studded Rocker Arm Bridge | J4006926 |
| 34 | Seal, Rocker Arm Cover | 1981-86 | All | 4.2L (6-258) | w/ Plastic Valve Cover | J3237837 |
| 35 | Bolt, Rocker Arm | 1972-86 | All | 4.2L (6-258) | 5/16"-18 x 1-3/8" Flanged Bolt | J8120512 |
| 36 | Bridge, Rocker Arm Pivot |
1980-86 1981-86 |
All w/o VAM Engine All w/o VAM Engine |
4.2L (6-258) 4.2L (6-258) |
2-Piece Style w/o Valve Cover Stud 2-Piece Style w/ Valve Cover Stud |
J3236513 J3237851 |
| 37 | Pivot, Rocker Arm |
1972-79 1980-86 |
All All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
Aluminum; 1-Piece Style Steel; 2-Piece Style |
J3210178 J3235090 |
| 38 | Rocker Arm |
1974-82 1983-86 |
All All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
w/ Pivot Rocker Arms |
J3223888 J3242393 |
| 39 | Lock, Valve Spring Retainer |
1965-66 1967-71 1965-71 1972 1972 1972 1973 1974-77 1974-80 1981-86 1981-86 |
All All All All w/ Shaft Rocker Arms All w/ Shaft Rocker Arms All w/ Pivot Rocker Arms All w/ Pivot Rocker Arms All w/ Valve Rotators All w/o Valve Rotators All w/o VAM Engine All w/ VAM Engine |
3.8L (6-232) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) |
Intake Intake Exhaust Intake Exhaust Intake or Exhaust Intake or Exhaust Exhaust Intake or Exhaust Intake or Exhaust Intake or Exhaust |
J3156157 J3180458 J3156157 J3180458 J3156157 J3180458 J3156157 J8123287 J3156157 J3180458 J3156157 |
| 40 | Spring, Valve | 1977-86 | All w/o VAM Engine | 3.8L (6-232), 4.2L (6-258) | Intake or Exhaust | J3228192 |
| 41 | Seal, Valve |
1965-86 1965-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Standard or .003" Oversized .015" Oversized |
J3218976 J3218977 |
| 42 | Valve, Intake |
1965-66 1973-80 1981-86 1981-86 1981-86 |
All All All w/o VAM Engine All w/o VAM Engine All w/o VAM Engine |
3.8L (6-232) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) |
Standard Standard Standard .003" .015" |
J3218732 J3218732 J3240768 J3240166 J3240167 |
| 43 | Valve, Exhaust |
1973 1974-80 1981-86 1981-86 |
All All w/o Valve Rotators All w/o VAM Engine All w/o VAM Engine |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) 4.2L (6-258) |
Standard Standard Standard .015" |
J3224597 J3224597 J3240767 J3240164 |
| 44 | Lifter | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3222276 | |
| 45 | Push Rod, Valve |
1971 1972 1972 1971 1973 1974 1974 1975-76 1977 1977-80 1981-86 |
All CJ-5, 6, C101 Commando SJ, J-Series SJ, J-Series All All All All All All All w/o VAM Engine |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
8.5:1 Compression Ratio 8:1 Compression Ratio w/ Shaft Rocker Arms 8:1 Compression Ratio w/ Pivot Rocker Arms 8.5:1 Compression Ratio w/ Shaft Rocker Arms 8.1:1 Compression Ratio w/ Shaft Rocker Arms w/ Pivot Rocker Arms w/ Temp. Sender at Front of Head w/ Temp. Sender at Rear of Head |
J3210203 J3210203 J3214013 J3210203 J3214013 J3210203 J3214013 J3214013 J3214013 J3227329 J3242395 |
| 46 | Chain, Timing | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3240502 | |
| 47 | Sprocket, Camshaft | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3206693 | |
| 48 | Sprocket, Crankshaft | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | 33004107 | |
| 49 | Camshaft |
1965-80 1981-86 |
All All w/o VAM Engine |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
|
J8132907 J8133009 |
| 50 | Bearing Set, Camshaft |
1965-86 1965-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Standard; Set of 4 .010"; Set of 4 |
J3205711 J3208985 |
| 51 | Rod, Connecting |
1965-70 1965-71 1972-79 1971-86 |
All All All All |
3.8L (6-232) 3.8L (6-232) 3.8L (6-232) 4.2L (6-258) |
After Engine Build Code #710-L-21 & Before 307-E-20 After Engine Build Code #307-E-20 |
J3237812 J3173210 J3173210 J3237812 |
| 52 | Piston |
1968-70 1979-86 |
All All |
3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
Standard Standard |
J8127654 J8134441 |
| 53 | Ring Set, Piston |
1965-86 1965-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Standard; 1 Required .010"; 1 Required |
J8121683 J8121684 |
| 54 | Bearing Set, Connecting Rod |
1975-86 1975-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Standard; Set of 6 .010"; Set of 6 |
83500300K6 83500301K6 |
| 55 | Pulley, Crankshaft | 1981-86 | All w/o Factory A/C | 4.2L (6-258) | J3224690 | |
| 56 | Key, Harmonic Balancer | 1975-86 | All | 4.2L (6-258) | J3107234 | |
| 57 | Harmonic Balancer |
1975-86 1981-86 |
All w/ V-Belt All w/ Serpentine Belt |
4.2L (6-258) 4.2L (6-258) |
|
J3225201 J3242886 |
| 58 | Timing Cover | 1975-86 | All | 3.8L (6-232), 4.2L (6-258) | 53020233 | |
| 59 | Seal, Crankshaft, Front | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3224704 | |
| 60 | Oil Slinger, Crankshaft | 1972-86 | All | 4.2L (6-258) | Front | J3173076 |
| 61 | Gasket, Timing Cover | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | J3225187 | |
| 62 | Key, Timing Sprocket | 1966-86 | All | 3.8L (6-232), 4.2L (6-258) | J3107234 | |
| 63 | Seal Kit, Crankshaft | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | Rear | 4778126 |
| 64 | Bushing, Crankshaft Pilot |
1965-71 1972-75 1976-79 1972-79 1980-86 |
All w/ Manual Trans. CJ-5, 6, C104 Commando CJ-5, 7 SJ, J-Series All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
.753" ID; 1.061" OD; .747" Length .750" ID; 1.057" OD; .876" Length .750" ID; 1.061" OD; .876" Length .678" ID; 1.061" OD; .627" Length .601" ID; 1.061" OD; .627" Length |
J3174730 J3213751 J3222723 J3222723 J3236726 |
| 65 | Flexplate | 1980-86 | All w/ Automatic Trans. | 4.2L (6-258) | Includes Flywheel; 164 Teeth | J3232138 |
| 66 | Ring Gear, Flyweel |
1965-71 1972-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
|
J3172419 J3179741 |
| 67 | Bearing, Crankshaft Thrust |
1966-86 1966-86 1966-86 |
All All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
.001"; 1 Required .002"; 1 Required .010"; 1 Required |
J8133681 J8133683 J8133255 |
| 68 | Bearing Set, Crankshaft Main |
1965-86 1965-86 |
All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) |
Standard; Full Set .010"; Full Set |
8133252K6 8133254K6 |
| 69 | Rocker Arm Kit |
1974-79 1974-79 1983-86 |
All All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
One-Piece Pivot Type Rocker Arms Two-Piece Pivot and Rocker Type Arms |
3223888K 3223888KL 3242393K |
| 70 | Gasket Set, Timing Case Cover | 1965-86 | All | 3.8L (6-232), 4.2L (6-258) | Includes #s 18, 59, and 61 | J8129097 |
| 71 | Timing Chain Kit | 1972-86 | All | 3.8L (6-232), 4.2L (6-258) | 8126681K | |
| 72 | Gasket Set, Upper |
1971-72 1973-85 1986 |
All All All |
3.8L (6-232), 4.2L (6-258) 3.8L (6-232), 4.2L (6-258) 4.2L (6-258) |
w/ High Compression Engine |
J8128190 J8128190 83502384 |
| 73 | Overhaul Kit | 1986 | All | 4.2L (6-258) | Includes #s 30 and 72 | J8124691 |
1 = AMC Assembly Plant in Mexico