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

Rough Country N3 Suspension Lift Kits for 2003-2006 WRANGLER - 90730

Suspension Lift, N3 Series, 4.00 in. Front, 4.00 in. Rear, Jeep, 4WD, Kit

Part Number: ROU-90730

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Spicer Drivetrain Products Ring and Pinion Gear with Installation Kits 76385-5X Dana 30 3.55 Gears

Ring and Pinion Gear, Installation Kit, 3.55:1, Standard Rotation, Dana 30, Kit

Part Number: SDH-76385-5X

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

MagnaFlow Direct-Fit Catalytic Converters for 2000-2001 CHEROKEE - 93207

Catalytic Converter, Stainless Steel, Each

Part Number: MPE-93207

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 26, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-114 Dana 30 4.88 Gears

Ring and Pinion Gears, Ring and Pinion Gear and Installation Kit Combos, Dana 30, 4.88:1 Ratio, 26-spline, Standard Rotation, Jeep, Kit

Part Number: MGR-MGK-114

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 24, 2026 if ordered today

Rough Country N3 Suspension Lift Kits for 1984-2001 CHEROKEE - 63040

Suspension Leveling & Lift Kits, Lift Kit, N3 Series, Coil Spring, Leaf Spring, 3.00 in. Front, 1.50-2.00 in. Rear, Jeep, Kit

Part Number: ROU-63040

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Flowmaster Stainless Steel Force II Exhaust Systems for 2000-2006 WRANGLER - 817491

Exhaust System, Force II, Cat-Back, Stainless Steel, Jeep, 4.0L, Kit

Part Number: FLO-817491

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

USA Standard Gear Spartan Lockers Dana 44 SL D44HD-30

Differential Carrier, Spartan Locker, Steel, 10-bolt, 30-spline, Rear, Dana 44, Jeep, Each

Part Number: SPZ-17002

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

Spicer Drivetrain Products Ring and Pinion Gear with Installation Kits 707381-4X Dana 44 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 29-spline, Standard Rotation, Installation Kit, Dana 44, Kit

Part Number: SDH-707381-4X

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 10, 2026 if ordered today

South Bend Clutch Stage 2 Endurance Clutch Kits K05065-HD-TZ/B

Clutch Kit, Stage 2 Endurance, Single, 1.130 in. - 10-spline, Ceramic/Kevlar® Disc, Pressure Plate, Jeep, 4.0L, Kit

Part Number: SBB-S0724

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

DiabloSport Trinity 2 EX Performance Programmers for 2005-2014 WRANGLER, GRAND CHEROKEE, 2006-2010 COMMANDER - 9400

Computer Programmer, Trinity 2 EX Performance, Jeep, Each

Part Number: DBL-9400

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

aFe Mach Force XP Exhaust Systems for 2000-2006 WRANGLER - 49-46205

aFe Mach Force XP Exhaust Systems for 2000-2006 WRANGLER - 49-46205

Exhaust System, Mach Force XP, Cat-Back, Stainless Steel, Jeep, 4.0L, Kit

Part Number: AFE-49-46205

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 9, 2026 if ordered today

ICON Premium Forged Pistons IC945.040

Pistons, Forged, Dish, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Jeep, L6, Set of 6

Part Number: UEM-IC945-040

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 16, 2026 if ordered today

SSBC-USA Drum to Disc Brake Conversion Kits for 1990-1995 WRANGLER - A128R

Rear disc brake conversion kit with built in parking brake assembly, '90-95 Wrangler, red

Part Number: TSB-A128R

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 27, 2026 if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-109 Dana 30 4.10 Gears

Ring and Pinion Gears, Ring and Pinion Gear and Installation Kit Combos, Dana 30, 4.10:1 Ratio, 26-spline, Jeep, Kit

Part Number: MGR-MGK-109

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

Yukon Gear & Axle 1541H Alloy Axles for 1999-2004 GRAND CHEROKEE - YA D76454-4X

Yukon 1541H alloy left hand rear axle for '99 and newer Dana 44-Super

Part Number: YGA-21170

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Crown Automotive Ring and Pinion Gear and Installation Kit Combos 5072997AB Dana 30 3.07 Gears

Ring and Pinion Gears, 3.07:1 Ratio, 26-spline, Standard Rotation, Installation Kit, Front, Dana 30, Jeep, Kit

Part Number: CWA-5072997AB

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker CalCat Universal Catalytic Converters 82701

Catalytic Converter, Cal-Cat Universal, 2.250 in. Slip Fit Inlet, 2.250 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-82701

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 2, 2026 if ordered today

MagnaFlow Competition Series Exhaust Systems for 2000-2006 WRANGLER - 16390

Exhaust System, Performace, Stainless Steel, Cat-Back, Jeep, 2.5, 4.0L, Kit

Part Number: MPE-16390

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

MBRP Installer Series Exhaust Systems for 2003-2006 WRANGLER - S5522AL

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

TeraFlex Skid Plates for 1997-2006 WRANGLER - 4648403

Skid Plate, Belly Pan Location, Belly, Up, Steel, Black Powdercoated, Jeep, Each

Part Number: TMI-4648403

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 20, 2026 if ordered today

MagnaFlow Universal Catalytic Converters 4451336

Universal Converter, Conv Univ 2.50" CA OBDII

Part Number: MPE-4451336

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 23, 2026 if ordered today

Flowmaster Stainless Steel Force II Exhaust Systems for 1997-1999 WRANGLER - 817493

Exhaust System, Force II, Cat-back, Stainless Steel, Natural, Jeep, Kit

Part Number: FLO-817493

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Dorman Driveshafts for 1997-2006 WRANGLER - 936-085

Rear Driveshaft

Part Number: RNB-936-085

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 25, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG D44HD-390 Dana 44 3.90 Gears

Ring & Pinion Gear, 3.90 Ratio, Dana 44, Set

Part Number: YGA-24288

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 5, 2026 if ordered today

BDS Suspension Lift Kits with NX2 Nitro Series Shocks for 1986-1992 COMANCHE - BDS441H

86-91 MJ 3/2.5 Block & AAL w/Dana axle

Part Number: BDX-BDS441H

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 12, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 1999-2004 GRAND CHEROKEE - 24507

Catalytic Converter, Stainless Steel, Jeep, 4.0L, Front, Each

Part Number: MPE-24507

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

...Loading

Estimated Ship Date: Feb 24, 2026 if ordered today

JEEP 4.0L/242 Parts and Accessories