2003 Jeep Grand Cherokee Engine Parts

This table covers the camshafts that open the valves. Read more

4 Camshaft parts for the 2003 Jeep Grand Cherokee come from 2 brands — ENGINETECH and SKP.

Listed part numbers: ENGINETECH ES1587, ENGINETECH ES1588 and SKP SKES1588, plus the other parts above.

This table covers the Camshaft hardware kits. Read more

This group shows a single part: ENGINETECH HK121.

This table covers the connecting rods between each piston and the crankshaft. Read more

This group shows a single part: ENGINETECH ECR109.

This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

10 Connecting Rod Bearing parts for the 2003 Jeep Grand Cherokee come from 4 brands — MAHLE / CLEVITE, ENGINETECH, KING ENGINE BEARINGS and 1 other brand. The "Popular" part is ENGINETECH BB501J.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2003 Jeep Grand Cherokee — MOPAR 6504720.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

8 Conversion / Lower Gasket Set parts for the 2003 Jeep Grand Cherokee come from 8 brands — APEX, SKP, AJUSA and 5 other brands. The "Popular" part is APEX ACS2065.

Part numbers include APEX ACS2065, SKP SKCS26157 and AJUSA 54146500, among others listed above.

This table covers the crankshafts that turn piston motion into rotation. Read more

This group shows a single part: ENGINETECH 139200.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

5 Crankshaft Main Bearing parts are listed for the 2003 Jeep Grand Cherokee, from MAHLE / CLEVITE, ENGINETECH, KING ENGINE BEARINGS and 1 other brand. ENGINETECH BC502J carries the "Popular" badge.

This group includes ENGINETECH BC502J, KING ENGINE BEARINGS MB5284SI and MAHLE / CLEVITE MS2216A and the remaining parts above.

This table covers the wear sleeves used to restore a Crankshaft Main Bearing seal surface. Read more

This group shows a single part: VICTOR REINZ 711347800.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

4 Crankshaft Repair Sleeve parts are listed for the 2003 Jeep Grand Cherokee, from FEL-PRO, MAHLE / CLEVITE, NATIONAL and 1 other brand.

Listed part numbers: FEL-PRO 16230, MAHLE / CLEVITE A351 and NATIONAL 99181, plus the other parts above.

This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

2 Crankshaft Repair Sleeve Tool parts are listed for the 2003 Jeep Grand Cherokee, from FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO 16328 and VICTOR REINZ 711620300.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

13 Crankshaft Seal parts are listed for the 2003 Jeep Grand Cherokee, from ELRING, SCHAEFFLER, ULTRA-POWER and 7 other brands. FEL-PRO BS40186 carries the "Popular" badge.

This table covers the cylinder heads that close the top of the block. Read more

5 Cylinder Head parts are listed for the 2003 Jeep Grand Cherokee, from ENGINETECH and ITM ENGINE COMPONENTS. ITM ENGINE COMPONENTS 605001 carries the "Popular" badge.

This group includes ITM ENGINE COMPONENTS 605001, ENGINETECH EHCR287L and ENGINETECH CH1006R and the remaining parts above.

This table covers the bolts that clamp the cylinder head to the block. Read more

10 Cylinder Head Bolt parts for the 2003 Jeep Grand Cherokee come from 7 brands — MAHLE / CLEVITE, VICTOR REINZ, ENGINETECH and 4 other brands. The "Popular" part is ENGINETECH HB162.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

11 Cylinder Head Gasket parts for the 2003 Jeep Grand Cherokee come from 9 brands — AJUSA, MAHLE / CLEVITE, ENGINETECH and 6 other brands. The "Popular" part is ENGINETECH HCR287A.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

12 Cylinder Head Gasket Set parts for the 2003 Jeep Grand Cherokee come from 10 brands — FEL-PRO, ELRING, ENGINETECH and 7 other brands. The "Popular" part is ENGINETECH CR287HSA.

This table covers the Cylinder Head Spacer shims. Read more

2 Cylinder Head Spacer Shim parts for the 2003 Jeep Grand Cherokee come from 2 brands — ENGINETECH and SBI.

This group includes ENGINETECH CHS1038 and SBI 2302125.

This table covers the wear sleeves used to restore a Cylinder seal surface. Read more

This group shows a single part: ENGINETECH ESL174.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

One part is listed for the 2003 Jeep Grand Cherokee — KAT'S HEATERS 11618.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

7 Engine Kit Gasket Set parts for the 2003 Jeep Grand Cherokee come from 5 brands — ENGINETECH, FEL-PRO, APEX and 2 other brands. The "Popular" part is ENGINETECH CR2871.

Listed part numbers: ENGINETECH CR2871, FEL-PRO 2601968 and APEX AFS2065, plus the other parts above.

This table covers the Engine rebuild kits. Read more

6 Engine Rebuild Kit parts for the 2003 Jeep Grand Cherokee come from ENGINETECH.

Part numbers include ENGINETECH MKCR287AP, ENGINETECH MKCR287BP and ENGINETECH MKCR287P, among others listed above.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

9 Exhaust Valve parts are listed for the 2003 Jeep Grand Cherokee, from SBI, ENGINETECH, MELLING and 4 other brands. ENGINETECH V3705 carries the "Popular" badge.

This group includes ENGINETECH V3705, MELLING V5560 and ITM ENGINE COMPONENTS RX5047 and the remaining parts above.

This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

6 Expansion Plug parts for the 2003 Jeep Grand Cherokee come from 4 brands — DORMAN, QUALCAST, MELLING and 1 other brand. The "Popular" part is DORMAN 555082.

Part numbers include DORMAN 555082, DORMAN 555025 and MELLING MPE836R, among others listed above.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

5 Harmonic Balancer parts for the 2003 Jeep Grand Cherokee come from 5 brands — SKP, DORMAN, ATP and 2 other brands. The "Popular" part is DORMAN 594191.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK594191 is listed in this group.

In the Standard Replacement grade, DORMAN, ATP, DAYCO and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is DORMAN 594191.

This group includes DORMAN 594191, SKP SK594191 and ATP 102166 and the remaining parts above.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

9 Intake Manifold Gasket parts for the 2003 Jeep Grand Cherokee come from 8 brands — VICTOR REINZ, ENGINETECH, FEL-PRO and 5 other brands. The "Popular" part is ENGINETECH ICR287A.

This group includes ENGINETECH ICR287A, FEL-PRO MS93205 and APEX AMS2650 and the remaining parts above.

This table covers the gaskets that seal the Intake Plenum. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

One part is listed for the 2003 Jeep Grand Cherokee — AJUSA 13200500.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

7 Intake Valve parts are listed for the 2003 Jeep Grand Cherokee, from MELLING, SKP, ENGINETECH and 4 other brands. MELLING V1918 carries the "Popular" badge.

Part numbers include MELLING V1918, SKP SKV1918 and ENGINETECH V3704, among others listed above.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

10 Motor Mount parts are listed for the 2003 Jeep Grand Cherokee, from SKP, ANCHOR, DEA / MARMON RIDE CONTROL and 2 other brands. SKP SKM3008 carries the "Popular" badge.

Economy: 2 parts, from SKP. A representative part number is SKP SKM3008.

The Standard Replacement section: 8 options from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand. ANCHOR 3008 is listed in this group.

This table covers the Motor Mount kits. Read more

ANCHOR supplies both parts for the 2003 Jeep Grand Cherokee.

Listed part numbers: ANCHOR 301393 and ANCHOR 301392.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

62 Oil parts are listed for the 2003 Jeep Grand Cherokee, from LIQUI MOLY, VALVOLINE, MOBIL and 3 other brands. MOBIL 125195 carries the "Popular" badge. Conventional, Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend are all represented, and Full Synthetic alone accounts for 40 parts.

This table covers the Oil Cooler lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early. Read more

One part is listed for the 2003 Jeep Grand Cherokee — OMIX-ADA 1712103.

This table covers the Oil Cooler Mounting kits. Read more

2 Oil Cooler Mounting Kit parts for the 2003 Jeep Grand Cherokee come from HAYDEN.

Part numbers include HAYDEN 238 and HAYDEN 153.

This table covers the drain plugs in the oil pan. Read more

5 Oil Drain Plug parts are listed for the 2003 Jeep Grand Cherokee, from DORMAN, AGS, ELRING and 1 other brand. AGS ODP00007 carries the "Popular" badge.

Listed part numbers: AGS ODP00007, DORMAN 090098 and DORMAN 092020, plus the other parts above.

This table covers the caps on the oil filler neck. Read more

2 Oil Filler Cap parts are listed for the 2003 Jeep Grand Cherokee, from MOTORAD and TECHPRO.

Part numbers include MOTORAD MO120 and TECHPRO 87AM009.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

17 Oil Filter parts are listed for the 2003 Jeep Grand Cherokee, from BOSCH, VARIOUS MFR, WIX and 11 other brands. MOBIL M1204A carries the "Popular" badge.

Economy: 6 parts, from BOSCH, FRAM, FVP and 3 other brands. A representative part number is BOSCH 72137WS.

In the High Performance / Heavy Duty grade, MOBIL and WIX supply 2 parts: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1204A.

The Standard Replacement section: 9 options from MOTORCRAFT, WIX, BOSCH and 6 other brands. MOTORCRAFT FL300 is listed in this group.

This table covers the oil pans that hold the engine's oil sump. Read more

5 Oil Pan parts for the 2003 Jeep Grand Cherokee come from 5 brands — SKP, ATP, DORMAN and 2 other brands. The "Popular" part is SKP SK264243.

Listed part numbers: SKP SK264243, ATP 103228 and DORMAN 264243, plus the other parts above.

This table covers the gaskets between the oil pan and the block. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

6 Oil Pan Gasket parts are listed for the 2003 Jeep Grand Cherokee, from APEX, FEL-PRO, AJUSA and 3 other brands. APEX AOP265 carries the "Popular" badge.

Listed part numbers: APEX AOP265, FEL-PRO OS30709R and AJUSA 14093000, plus the other parts above.