JEEP 4.0L/242 Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Scorpion Off-Road Series Rocker Arms SCP0501-1

Scorpion Off-Road Series Rocker Arms SCP0501-1

Rocker Arms, Off-Road Series, Full Roller, 1.6 Ratio, Adjustable, Aluminum, 5/16 in. Pedestal, Jeep, L6, Each

Part Number: SCC-0501-1

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

Scorpion Off-Road Series Rocker Arms SCP0503-1

Rocker Arms, Off-Road Series, Full Roller, 1.7 Ratio, Adjustable, Aluminum, 5/16 in. Pedestal, Jeep, L6, Each

Part Number: SCC-0503-1

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Four Seasons Idler Pulleys 45013

Idler Pulley, Replacement, Serpentine, Each

Part Number: FSS-45013

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Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-2322.020

Piston - AMC, Jeep 150 (2.46L) Eng. (1983-93), 242 (4.0L) Engs. (1983-98)

Part Number: MAH-2242322020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-2322.060

Piston - AMC, Jeep 150 (2.46L) Eng. (1983-93), 242 (4.0L) Engs. (1983-98)

Part Number: MAH-2242322060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-2322.030

Piston - AMC, Jeep 150 (2.46L) Eng. (1983-93), 242 (4.0L) Engs. (1983-98)

Part Number: MAH-2242322030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40514CP.040

Piston Rings, Plasma-moly, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40514CP040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40514CP.020

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

Part Number: MAH-40514CP020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Clevite AL-Series Main Bearings MS-1947A-30

Main Bearings, AL-Series, 1/2 Groove, AL-5, 0.030 in. Crankshaft Undersize, Jeep, Set

Part Number: CLE-MS1947A30

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Clevite P-Series Main Bearings MS-1947P-20

Main Bearings, P-Series, 1/2 Groove, Tri-Metal, 0.020 in. Crankshaft Undersize, Jeep, Set

Part Number: CLE-MS1947P20

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

MAHLE Original Valves 211-3029

Exhaust Valve - AMC 2.5L Eng. (88-89) @(E) Radius Groove

Part Number: MAH-2113029

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

MAHLE Original Valves 211-4096

Exhaust Valve - Dodge Truck 150CID (2.5L) OHV 2000-2002; Jeep 242CID, 4.0L 6 cyl 1999-2001

Part Number: MAH-2114096

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original OE Replacement Pistons for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 224-3415.020

Piston - Jeep & Dodge Trk. (2.5L) 150 L4 VIN "P",(4.0L) 242 L6 VIN "S" (1996-2001)

Part Number: MAH-2243415020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original OE Replacement Pistons for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 224-3415.030

Piston - Jeep & Dodge Trk. (2.5L) 150 L4 VIN "P",(4.0L) 242 L6 VIN "S" (1996-2001)

Part Number: MAH-2243415030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40975.020

Piston Rings, Premium Piston Ring Sets, Chrome, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-40975020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Premium Piston Ring Sets 40975.030

Piston Rings, Premium Piston Ring Sets, Chrome, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-40975030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Standard Piston Ring Sets for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 51870CP.020

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.895 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-51870CP020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Premium Piston Ring Sets for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 41870CP.020

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.895 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-41870CP020

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

Mahle Original Premium Piston Ring Sets for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 41870CP.030

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.905 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-41870CP030

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

Mahle Original Premium Piston Ring Sets for 1996-2001 CHEROKEE, 1996-2004 GRAND CHEROKEE, 1997-2006 WRANGLER - 41870CP.060

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.935 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, L6, Set

Part Number: MAH-41870CP060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Standard Piston Ring Sets 50514CP.030

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L6, Set

Part Number: MAH-50514CP030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

MAHLE Original Harmonic Balancer Repair Sleeves A221

AMC;IHC-Trk&Trac;Jeep:161,199,232,242,258(52-88)Harmonic Balancer Repair Sl

Part Number: MAH-A221

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mopar Replacement Accessory Belt Tensioners 04854089AB

TENSIONER, BELT, 1999-2006

Part Number: MOP-04854089AB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Scat Engine Rotating Assemblies 1-96015BI

Street Performance, Stock Replacement Rotating Assembly

Part Number: SCA-1-96015BI

2.0 out of 5 stars ( 1 )

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Rugged Ridge Valve Cover Oil Fill Caps for 1997-2011 WRANGLER - 11431.04

Oil Cap, Round, Billet Aluminum, Black, Finish, Jeep, Each

Part Number: RGG-1143104

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today