JEEP 4.0L/242 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Standard Motor PCV Valves V432

PCV Valve, Replacement, 90 degree, Dodge, Jeep, Each

Part Number: SMP-V432

Not Yet Reviewed

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Crown Automotive Oil Filters 33004195

Oil Filter, Canister Style, 20mm x 1.5 Thread Size, Jeep, Each

Part Number: CWA-33004195

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Silv-O-Lite Cast Pistons 2229C.020

Pistons, Cast, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229C-020

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

King SI-Series Rod Bearings CR6805SI 020

Rod Bearings, SI-Series, Silicon Aluminum, 0.020 in. Crankshaft Undersize, AMC, International, Jeep, L-6, Set of 6

Part Number: KGB-CR6805SI020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

Continental OE Technology Series Multi-V Belts 4060750

Belt, OE Technology Series, Multi-V, Serpentine, 6-Rib, 75.00 in. Length, Each

Part Number: CEL-4060750

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Hastings Piston Ring Sets 667020

Piston Rings, Phosphate Coated, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: HSN-667020

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-256R

Melling Engine Expansion Plug Kits MPE-256R

Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-256R

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Melling Valve Springs VTSS100

VALVE TRAIN SET UP SPRING

Part Number: MEL-VTSS100

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Crown Automotive Oil Filler Caps J3220248

Oil Filler Cap, Push-in, Round, Plastic, Yellow, Jeep, Each

Part Number: CWA-J3220248

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M667020

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M667020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M667010

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M667010

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Crown Automotive - PCV Hoses and Tubes for 1999-2004 GRAND CHEROKEE - 53013360AA

Rear PCV Valve Elbow for 1999-2004 Jeep WJ Grand Cherokee w/ 4.0L Engine

Part Number: CWA-53013360AA

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Crown Automotive Valve Cover Grommets for 1993-1998 GRAND CHEROKEE, 1993 GRAND WAGONEER - 53030017

Valve Cover Grommet, Rubber, 0.45 in. I.D., Jeep, 5.2L, Each

Part Number: CWA-53030017

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Crown Automotive Rocker Arm Pivots J3235090

Rocker Arm Pivot, Jeep, Each

Part Number: CWA-J3235090

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Crown Automotive Valve Cover Grommets 53004722

Valve Cover Grommet, PCV Style, Rubber, Jeep, 2.5L, 4.0L, Each

Part Number: CWA-53004722

5.0 out of 5 stars ( 1 )

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Mahle Original Standard Piston Ring Sets for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 51870CP

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-51870CP

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Crown Automotive Main Bearings J8133255

Main Bearing,

Part Number: CWA-J8133255

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

King SI-Series Rod Bearings CR6805SI 010

Rod Bearings, SI-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, AMC, International, Jeep, L-6, Set of 6

Part Number: KGB-CR6805SI010

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Federal Mogul Engine Re-Ring Kits 2051879000

Engine Re-Ring, Cast, 3.875 in. Bore, Standard Rod, Jeep, L6, Kit

Part Number: FEM-2051879000

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Crown Automotive Engine Block Coolant Plugs J3178449

Engine Expansion Plug, Steel, 1.00 in. Diameter, Dodge, Jeep, Each

Part Number: CWA-J3178449

Not Yet Reviewed

Estimated Ship Date: May 21, 2026 if ordered today

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Estimated Ship Date: May 21, 2026 if ordered today

Continental Replacement Tensioner Pulleys 49016

Idler Pulley, 6-Rib Serpentine, Steel, Black, Chevy, GMC, Ford, Jeep, Each

Part Number: CEL-49016

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Continental Accu-Drive Tensioners for 1999-2004 GRAND CHEROKEE, 2000-2006 WRANGLER - 49256

Belt Tensioner, Accu-Drive, Jeep, Each

Part Number: CEL-49256

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Dayco No Slack Idler Pulleys 89144

5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Clevite P-Series Main Bearings MS-1947P-10

MAIN BEARING SET

Part Number: CLE-MS1947P10

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Crown Automotive Valve Cover Grommets 53000957

Valve Cover Grommet, Rubber, 0.72 in. I.D., Jeep, Each

Part Number: CWA-53000957

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Sealed Power CP-Series Rod Bearings 6-3310CPA 40

Rod Bearings, 0.040 in. Crankshaft Undersize, Tri Metal, AMC, Jeep, L6, 3.3L, 3.8L, 4.0L, 4.2L, Set of 6

Part Number: SLP-63310CPA40

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today