2003 - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Catco Direct-Fit Catalytic Converters for 2002-2005 EXPLORER, MOUNTAINEER - 9112

Catco Direct-Fit Catalytic Converters for 2002-2005 EXPLORER, MOUNTAINEER - 9112

Catalytic Converter, Direct-Fit, Stainless Steel, Each

Part Number: CTO-9112

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Catco Direct-Fit Catalytic Converters for 2004-2008 CROSSFIRE, 2001-2004 SLK320 - 4379

Catalytic Converter, Direct Fit, Stainless Steel Case, Chrysler, Mercedes-Benz, 3.2L, Each

Part Number: CTO-4379

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 1999-2004 FRONTIER, 2000-2004 XTERRA - 81794

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Heat Shield, Nissan, Each

Part Number: WLK-81794

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2002-2006 CAMRY, 2002-2003 ES300 - 82553

Catalytic Converter, Direct Fit, Stainless Case, Lexus, Toyota, 3.0L, Each

Part Number: WLK-82553

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 82907

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-82907

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

S&S Cycle Early Twin Cam Gear Drive Camshaft Kits 330-0017

Camshaft, Gear Drive, 216 Intake/237 Exhaust, 0.509 Intake, /0.483 in. Exhaust, Harley-Davidson®, Kit

Part Number: SSY-330-0017

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

XForce Varex Exhaust Systems for 2002-2007 LANCER - ES-EV8-01-VMK-CBS

exhaust system, Mitsubishi Evolution 7, 8, 9 3" Stainless Steel High Flow Cat-Back System With Varex Muffler

Part Number: XFO-EV801VMKCBS

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

RideTech CoolRide Systems 11380910

Suspension Kit, Air Springs, Lowered, CoolRide, Frame Brackets Included, HQ Shocks, Mounting Hardware, Chevy, GMC, Kit

Part Number: ART-11380910

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2004-2008 CROSSFIRE, 2001-2004 SLK320 - 643016

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 59.50 in. Overall Length, Left, Chrysler, Mercedes-Benz, 3.2L, Each

Part Number: APH-643016

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Fleece Performance Dual Pump Hardware Kits for 2003-2007 RAM 2500, RAM 3500 - FPE-DPK-59-0307

Dual Pump Hardware Kit, 5.9L Dual Pump Hardware Kit for 2003-2007 Cummins

Part Number: FLE-FPEDPK590307

Not Yet Reviewed

Estimated Ship Date: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

Dana Spicer Drivetrain Products Ring and Pinion Gear Installation Kits 10038955

MASTER AXLE DIFFERENTIAL BEARING AND SEAL KIT - FORD 10.5

Part Number: SDH-10038955

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

ARB Deluxe Bumpers for 1999-2004 GRAND CHEROKEE - 3450100

Bumpers, Deluxe Bumper, Fabricated, Steel, Black Powdercoated, Winch Mount, Front, Jeep, Kit

Part Number: ARB-3450100

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

ACCEL Motorcycle Super Single Fire Ignition Systems 35410

Ignition Kit, Motorcycle, Super Single Fire, Ignition Module, Coil, Spark Plugs, Wires, Set

Part Number: ALM-35410

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

MagnaFlow Street Series Performance Exhaust Systems for 2000-2006 WRANGLER - 15855

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

Part Number: MPE-15855

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

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MBRP XP Series Exhaust Systems for 2003-2006 WRANGLER - S5500409

4.5 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Hays Diesel 850 Clutch Kits for 2001-2004 RAM 2500, RAM 3500 - 92D-3001

Clutch Kit, Diesel 850, Ceramic, 1 3/8 in. Diameter Shaft, 10-Spline, 13 in. Diameter Disc, Dodge, 5.9L, Kit

Part Number: HAY-92D-3001

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Holley Sniper Fabricated Dual Plenum Intake Manifolds 820241

Intake Manifolds, Sniper EFI, Dual Plenum, Cathedral Port, 102mm Throttle Body, 1,600-6,800 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820241

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Superchips Dashpaq Plus Computer Programmers 30601

Computer Programmer, Dashpaq+, Chrysler, Dodge, Jeep, Ram, Each

Part Number: SRC-30601

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

TeraFlex Jeep TJ Wrangler 4 in. Lift Kits for 1997-2006 WRANGLER - 1141400

Coil Springs, Lift, Front and Rear, Jeep, 4WD, Solid Front Axle, 35 in. Max Tire Height, Kit

Part Number: TMI-1141400

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

TeraFlex Jeep TJ High Steer Systems 1813000

HIGH STEER SYSTEM 4+" LIFT

Part Number: TMI-1813000

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Delphi Diesel Injection Oil Pumps HTP123

Oil Pump, Diesel Injection, Standard Volume, High-Pressure, Ford, 6.0L, Each

Part Number: DFP-HTP123

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

EBC Stage 27 Kits Bluestuff NDX Brake Pads and SG2 Rotors for 2003-2017 VIPER - S27KR1001

Disk Brake Kit, DP51110NDX+SG2FC7148

Part Number: EBC-S27KR1001

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

EBC Fully Floating 2-Piece Brake Rotors for 2003-2017 VIPER - SG2FC7147

Brake Rotor, Swept Groove, 2 Piece, Floating Conversion, Vented, Slotted, Cast Iron, Natural, Dodge, Front, Each

Part Number: EBC-SG2FC7147

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

EBC Stage 29 Kits RP-1 Brake Pads and SG2 Rotors for 2003-2017 VIPER - S29KR1001

Disk Brake Kit, DP81110RP1+SG2FC7148

Part Number: EBC-S29KR1001

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

EBC Stage 25 Kits Redstuff Brake Pads and SG2 Rotors for 2003-2017 VIPER - S25KR1001

Disk Brake Kit, DP31110C+SG2FC7148

Part Number: EBC-S25KR1001

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

EBC Stage 20 Ultimax2 Front and Rear Pads and RK Rotors for 2001-2006 SIERRA 3500, 2007 SIERRA 3500 CLASSIC, 2007-2010 SIERRA 3500 HD - S20K1601

Disc Brake Pad and Rotor Kit

Part Number: EBC-S20K1601

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

2003 Parts and Accessories