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

OMIX-ADA Rocker Arm Kits 17408.15

Rocker Arms, Rocker Arm Kit, Non-roller, Stud Mounting Style, Steel, Natural, 12 Rocker Arms, 12 Steel Rocker Pivots, 6 Rocker Bridges, Jeep, Kit

Part Number: OMX-1740815

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Crown Automotive Oil Pumps J3242139

Crown Automotive Oil Pumps J3242139

Oil Pump, Wet Sump Style, Pickup, Jeep, 2.5L, 4.0L, Kit

Part Number: CWA-J3242139

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Crown Automotive Oil Pans 53020833K

Oil Pans, Wet Sump Style, Steel, Black, Jeep, L6, Each

Part Number: CWA-53020833K

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Silv-O-Lite Hypereutectic Pistons 3242HC.STD

Pistons, Hypereutectic, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-3242HC-STD

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silv-O-Lite Cast Pistons 2229C.010

Pistons, Cast, Dish, 3.885 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229C-010

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Continental Accessory Drive Belt Kits for 1999-2004 GRAND CHEROKEE, 2000-2006 WRANGLER - K49256

Accessory Drive Belt Kit, 6 Groove Belt, Tensioner, Idler, Kit

Part Number: CEL-K49256

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Silv-O-Lite Cast Pistons 2229C.STD

Pistons, Cast, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229C-STD

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Crown Automotive Piston Rings for 1996-2000 CHEROKEE, GRAND CHEROKEE, 1997-2000 WRANGLER - 4798878

Piston Rings, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: CWA-4798878

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Cloyes Timing Chain Kits for 1999-2001 CHEROKEE, 1999-2004 GRAND CHEROKEE, 1999-2006 WRANGLER - 9-0385SA

Timing Chain and Gears, Link Belt Chain Style, Steel Cam Gear and Crank Gear, Chain Damper, Jeep, 4.0L, Kit

Part Number: CLO-9-0385SA

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Silv-O-Lite Hypereutectic Pistons 3241HC.020

Pistons, Hypereutectic, Dish, 3.895 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, Set of 6

Part Number: UEM-3241HC-020

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silv-O-Lite Hypereutectic Pistons 3241HC.060

Pistons, Hypereutectic, Dish, 3.935 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, Set of 6

Part Number: UEM-3241HC-060

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Silv-O-Lite Cast Pistons 2229C.030

Pistons, Cast, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-2229C-030

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Crown Automotive Oil Pans for 1999-2004 GRAND CHEROKEE, 2000-2006 WRANGLER - 53010340AB

Oil Pans, Wet Sump Style, Steel, Black, Jeep, 4.0L, Each

Part Number: CWA-53010340AB

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Melling Timing Chain Sets 3-393SXH

TIMING SET, TIMING SET

Part Number: MEL-3-393SXH

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Cloyes Original Race True Roller Timing Sets 9-3127-5

Timing Chain and Gear Set, Original True Roller, -0.005 in., Double Roller, Iron, Steel Sprockets, AMC, L6, Set

Part Number: CLO-9-3127-5

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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: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Crown Automotive Oil Pans for 1999-2004 GRAND CHEROKEE, 2000-2006 WRANGLER - 53010340K

Oil Pans, Wet Sump Style, Steel, Black, Jeep, 4.0L, Each

Part Number: CWA-53010340K

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Crown Automotive Camshafts 83503402

Camshaft, Hydraulic Flat Tappet Style, 197/197 Duration, Jeep, 4.0L, Each

Part Number: CWA-83503402

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Crown Automotive Oil Pumps for 1987-1990 CHEROKEE, COMANCHE, 1987 WAGONEER - 33002921

Oil Pump, Wet Sump Style, Pickup, Jeep, 4.0L, Each

Part Number: CWA-33002921

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

Silv-O-Lite Hypereutectic Pistons 3242HC.030

Pistons, Hypereutectic, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-3242HC-030

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Silv-O-Lite Hypereutectic Pistons 3242HC.060

Pistons, Hypereutectic, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, L6, Set of 6

Part Number: UEM-3242HC-060

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 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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Trans-Dapt Performance Remote Oil Filter Relocation Kits 1258

Oil Filter Relocation Kit, Dual Filter, 3/4-16 in. Filter Threads, 20mm x 1.5 Engine Threads, Kit

Part Number: TRD-1258

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Silv-O-Lite Hypereutectic Pistons 3241HC.030

Pistons, Hypereutectic, Dish, 3.905 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, AMC, Set of 6

Part Number: UEM-3241HC-030

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Hastings Premium Ductile Ring Sets for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 2M4815060

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

Part Number: HSN-2M4815060

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