Starting & Charging
WJ, WG Grand Cherokee 1999-2004
Item numbers match the diagrams. Each part number searches Amazon for that Crown part.
| Item # | Description | Model | Years | Engine | Comments | Part No. |
|---|---|---|---|---|---|---|
| 1 |
Alternator |
WJ WJ |
99/04 99/00 |
4.0L 4.7L |
136 Amp 136 Amp |
56041322 56041324AC |
| 2 |
Starter |
WJ, WG WJ, WG WJ |
99/02 03/04 99/04 |
4.0L 4.0L 4.7L |
|
56041012AC 56041012AE 56041207 |
| Engine Components | ||||||
| 3 |
Air Temperature Sensor |
WJ, WG WJ, WG |
99/04 01/04 |
4.0L 4.7L |
|
56027872 56028364AA |
| 4 |
Camshaft Position Sensor |
WJ, WG WJ, WG |
99/04 99/04 |
4.0L 4.7L |
|
4897023AA 56041584AF |
| 5 | Coolant Temperature Sensor | WJ, WG | 99/04 | 4.0L, 4.7L | 56027873 | |
| 6 |
Crankshaft Position Sensor |
WJ, WG WJ, WG |
99/04 99/04 |
4.0L 4.7L |
w/ Automatic Transmission |
4897321AA 56028666AA |
| 7 | Glow Plug | WJ, WG | 99/01 | 3.1L Dsl . | 4863826AA | |
| 8 | Harness Repair Kit | WJ, WG | 99/04 | 4.0L, 4.7L | Fuel Injector | 5183448AA |
| 9 |
Ignition Capacitor |
WJ, WG WJ, WG |
02/04 2002 |
4.0L 4.7L |
|
56041889AA 56041889AA |
| 10 |
Ignition Coil |
WJ WJ, WG WJ, WG |
1999 00/04 00/04 |
4.0L 4.0L 4.7L |
Six Cylinder Pack Six Cylinder Pack Each |
56041019 56041476AA 56028138AF |
| 11 | Knock Sensor | WJ, WG | 01/04 | 4.7L | 56041677AB | |
| 12 |
MAP Sensor |
WJ, WG WJ, WG WJ, WG |
99/03 99/01 02/04 |
4.0L 4.7L 4.7L |
Bolt-In Style w/ 2 Bolts |
56029405 56041018 68002763AA |
| 13 |
Oil Pressure Sensor |
WJ WJ WJ, WG |
99/02 99/02 03/04 |
2.7L, 3.1L Dsl 4.0L, 4.7L 4.0L, 4.7L |
. |
56028807AB 56028807AB 5149097AA |
| 14 | Oil Pump Drive | WJ, WG | 99/04 | 4.0L | Does not include sensor | 53010615AB |
| 15 |
Oxygen Sensor |
WJ WJ WJ WG WG WJ,WG WG WJ WG WJ, WG WJ WJ WJ WG WJ, WG WJ WJ WJ, WG WJ WJ WJ, WG WJ WJ WJ, WG WJ |
99/00 99/00 01/03 2002 2003 2004 2004 01/03 2003 2004 99/00 99/00 01/03 2001 2004 01/02 2003 2004 99/00 99/00 01/04 01/04 99/00 01/04 01/04 |
4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.0L 4.7L 4.7L 4.7L 4.7L 4.7L 4.7L 4.7L |
California Before Cat . Federal Before Cat . Before Cat . Front Before Cat . Front Before Cat . Front Japanese Before Cat . Front Before Cat . Front Europe Before Cat . Rear Before Cat . Rear Before Cat . Rear Federal After Cat . California After Cat . After Cat . Front After Cat . After Cat . Front After Cat . Rear After Cat . Rear After Cat . Rear Federal Before Cat . Left or Right California Before Cat . Left or Right Before Cat . Right Before Cat . Left After Cat . Left or Right After Cat . Left After Cat . Right |
56041212 56041213 56041943AA 56041943AA 56041887AA 56028995AA 56041887AA 56041944AA 56041887AA 56029049AA 56041056 56041212 56029049AA 56041887AA 56041943AA 56041943AA 56041944AA 56041943AA 56028233AA 56028232AA 56041941AA 56029333AA 56041345AD 56041345AE 56041731AA |
| 16 |
Spark Plug |
WJ, WG WJ, WG WJ, WG |
99/04 99/04 02/04 |
4.0L 4.7L 4.7L |
Champion RC12ECC w/o High Output Engine; Champion RC12MCC4 w/ High Output Engine; Champion RC7PYCB4 |
56041402AB 56028236AA SPRC7PYCB4 |
| Drivetrain Components | ||||||
| 17 |
Neutral Safety Switch |
WJ WJ, WG |
1999 00/04 |
|
w/ 42RE, 44RE Transmissions w/ 42RE, 44RE Transmissions |
56028181AB 3747361 |
| 18 |
Transmission Control Solenoid |
WJ WJ WJ WG WG |
1999 00/04 2000 2001 01/04 |
|
w/ 42RE, 44RE Transmissions w/ 42RE Transmission w/ 44RE Transmission w/ 44RE Transmission w/ 42RE Transmission |
52118500 52118500AB 52118500AB 52118500AB 52118500AB |
| 19 | Transmission Input Speed Sensor | WJ | 99/04 | w/ 45RFE Transmission | 4799061AB | |
| 20 |
Transmission Output Speed Sensor |
WJ, WG WJ WG WJ, WG |
99/04 99/00 2001 99/04 |
|
w/ 42RE Transmission w/ 44RE Transmission w/ 44RE Transmission w/ 45RFE Transmission |
4800879 4800879 4800879 4799758AD |
| 21 |
Transmission Pressure Sensor Transducer |
WJ WJ, WG |
1999 00/04 |
|
w/ 42RE, 44RE Transmissions w/ 42RE, 44RE Transmissions |
56041403AA 56028196AD |
| 22 | Transfer Case Switch | WJ, WG | 02/04 | w/ NV242, NV247 Transfer Case | 5083138AA | |