Engine & Fuel System
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Melling Camshaft for 05-13 Jeep Liberty KJ and KK, Grand Cherokee WJ, and Commander XK with 3.7L Engines
Melling
$401.99Description Learn More Specs Fitment Melling factory replacement camshaft for 05-13 Jeep® Liberty KJ and KK, Grand Cherokee WJ, and Commander XK with 3.7L engines. Camshafts are for the 3.7L engine only, and are side specific. Right Side...$401.99 -
Crown Automotive 5012356AB Crankshaft Thrust Washer for 02-05 Jeep Liberty KJ with 3.7L 226c.i. 6 Cylinder Engine & 99-09 Grand Cherokee WJ, WK & Commander XK with 4.7L 287c.i. 8 Cylinder Engine
Crown Automotive
$18.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 3-5 hours Parts Included1 Crankshaft Thrust WasherWarranty 12 month / 12,000 Mile Limited Warranty. Engine Size: 3.7L V-6, 4.7L...$18.99 -
ProMaxx Performance Products CHR640N ProMaxx Performance Cylinder Head with Valvetrain for 91-06 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0L
ProMaxx Performance Products
$937.00Description Learn More Specs Fitment Restore horsepower, compression and fuel economy to that tired engine with one of our factory replacement heads. Matches original performance flow and is available as a complete ready-to-install unit that's fitted...$937.00 -
Crown Automotive 5012363K5 Connecting Rod Bearing Set for 99-09 Jeep Grand Cherokee WJ & WK and 06-09 Commander XK with 4.7L Engine
Crown Automotive
$92.99Description Learn More Specs Fitment .5MM Undersize Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included 8 Bearing Sets Warranty 12 Month/12,000 Mile Limited Warranty. Engine Size: 4.7L...$92.99 -
Crown Automotive 4798878030 .030" Oversized Piston Ring Set for 97-06 Jeep Wrangler TJ & Unlimited; 96-01 Cherokee XJ and 96-04 Grand Cherokee ZJ & WJ with 4.0L Engine
Crown Automotive
$110.99Description Learn More Specs Fitment .030" Oversized Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 3-4 hours Parts Included 6 Ring Sets Warranty 12 Month/12,000 Mile Warranty Features: OversizeEngine Size: 4.0L...$110.99 -
Crown Automotive 4798878020 .020" Oversized Piston Ring Set for 97-06 Jeep Wrangler TJ & Unlimited; 96-01 Cherokee XJ and 96-04 Grand Cherokee ZJ & WJ with 4.0L Engine
Crown Automotive
$113.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 3-4 hours Parts Included 6 Ring Sets Warranty 12 Month/12,000 Mile Warranty Features: OversizeEngine Size: 4.0L I-6Engine Fuel:...$113.99 -
Crown Automotive 4798329AB Piston & Pin for 97-06 Jeep Wrangler TJ; 96-01 Cherokee XJ and 96-04 Grand Cherokee ZJ & WJ
Crown Automotive
$75.99Description Learn More Specs Fitment Bore Size : StandardFor the Following Applications:1997-2002 TJ Wrangler with 2.5L Engine1997-2006 TJ Wrangler with 4.0L Engine1996-2001 XJ Cherokee with 2.5L, 4.0L Engines1996-1998 ZJ Grand Cherokee with 4.0L...$75.99 -
OMIX 17427.38 Piston for 99-10 Jeep Grand Cherokee WJ & WK; 05-10 Commander XK and 02-10 Liberty KJ & KK
OMIX
$86.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 4-6 hours Parts Included 1 Piston Warranty 5 Year Limited Warranty Engine Size: 3.7L V-6, 4.7L V-8Engine Fuel: Gasoline Jeep...$86.99 -
OMIX 17467.52 Connecting Rod Bearing Set (.020) for 99-06 Jeep Grand Cherokee WJ & WK with 4.7L
OMIX
$69.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 1-2 hours Parts IncludedConnect Bearing Rod SetWarranty Minimum 5 Year Limited Warranty. Engine Size: 4.7L V-8Engine Fuel:...$69.99 -
ProMaxx Performance Products CHR640NB ProMaxx Performance Cylinder without Valvetrain for 91-04 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0 L
ProMaxx Performance Products
$759.00Description Learn More Specs Fitment Restore horsepower, compression and fuel economy to that tired engine with one of our factory replacement heads. Matches original performance flow. Cast # 0331, 0630 & 7120. These are the only NEW Jeep®...$759.00 -
Crown Automotive 6035516 Cylinder Head Bolt for 87-06 Jeep Wrangler YJ, TJ & Unlimited; 87-01 Cherokee XJ & Comanche MJ and 93-04 Grand Cherokee ZJ & WJ with 2.5L or 4.0L Engine
Crown Automotive
$3.59Description Learn More Specs Fitment Double Ended Head Bolt Measures 1/2"-13/ 7/16"-14 x 6" Long Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: Less than an hour Parts Included 1 Cylinder Head Bolt Warranty 12...$3.59 -
Crown Automotive 6035514 Cylinder Head Bolt for 81-06 Jeep CJ, Wrangler YJ, TJ & Unlimited; 87-01 Cherokee XJ and 93-04 Grand Cherokee ZJ & WJ
Crown Automotive
$2.69Description Learn More Specs Fitment Measures 1/2"-13 x 3.7" LongFor 2.5L 4-Cylinder and 4.0L & 4.2L 6-Cylinder Engines Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: Less than an hour Parts Included 1 Cylinder Head...$2.69