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

Flowmaster Outlaw Extreme Exhaust Systems for 1986-2004 MUSTANG - 817682

Exhaust System, Outlaw Extreme Series, Cat-back, Dual, Stainless Steel, Natural, Ford, 4.6L/5.0L, Kit

Part Number: FLO-817682

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Powertrax Lock-Right Lockers Dana 80 2810-LR

Differential, Lock-Right, Open Case, Locker, 35-Spline, Dana 80, Each

Part Number: PWT-2810-LR

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2001-2003 F-150, 2004 F-150 HERITAGE - 93121

Catalytic Converter, Stainless Steel, Ford, Pickup, 4.2L V6, Each

Part Number: MPE-93121

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

Yukon Gear & Axle Master Overhaul Kits YK D50-STRAIGHT

Ring and Pinion Gear Installation Kit, Master Overhaul, 26 Spline, Dan 50, Kit

Part Number: YGA-14035

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Dorman Suspension Air Compressors 949-002

Suspension Air Compressor, 12 V DC, 25 amps, 100 psi, Buick, Chevy, GMC, Oldsmobile, Saab, Each

Part Number: RNB-949-002

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Intellitronix 1997-2006 Jeep TJ Digital Direct-Fit Gauge Clusters for 1997-2006 WRANGLER - DP6014R-S9020

1997-2006 Jeep TJ Jeep LED Direct Replacement Gauge Cluster, Red LEDs, w/GPS, oil press & temp senders included

Part Number: IZL-DP6014RS9020

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Dorman Leaf Springs 43-1289XHD

Leaf Spring

Part Number: RNB-43-1289XHD

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

Rough Country N3 Suspension Lift Kits 239N2

Suspension Lift Kit, N3, Steering Knuckles, Rear Leaf Spring Blocks, 4.50 in. Front, 4.50 in. Rear, Chevrolet, GMC, Kit

Part Number: ROU-239N2

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

D.S.S. SX-Series Forged Pistons 8117-4030

D.S.S. SX-Series Forged Pistons 8117-4030

Pistons, SX-Series, Forged, Dome, 4.030 in. Bore, Chevy, Set of 8

Part Number: DMS-8117-4030

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

D.S.S. FX-Series Forged 4032 Alloy Pistons 1-6673-3905

Piston Set, 4.7 Jeep 6 Cyl. 1-FX Series -21cc Jeep Dish Top Piston Set. 3.905 bore

Part Number: DMS-1-6673-3905

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

Yukon Gear & Axle 33 Spline Differential Carriers Chrysler/GM 9.25 Inch YC G40013506

Differential Carrier, Open, Loaded, GM/Chrysler 9.25/9.50 in. 33 Spline, Each

Part Number: YGA-20097

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

MechMan S Series Alternators for 2003 RAM 1500, 2003-2009 RAM 2500, 2003-2007 RAM 3500 - 11235370

Alternators and Generators, S Series Alternators, 12 V, 370 amps, Internal Regulator, Black/Natural, Serpentine Pulley, Dodge, Each

Part Number: MEH-11235370

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

ICON Premium Forged Pistons IC547C.010

Pistons, Premium, Forged 4032 Aluminum, 3.790 in. Bore, 3.622 in. Stroke, Dome, Chevy, LS, Set of 8

Part Number: UEM-IC547C-010

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

JBA Performance Exhaust Exhaust Systems for 2000-2006 TUNDRA - 40-9014

Exhaust System, Cat-Back, Stainless Steel, Natural, Chrome Stainless Tip, Toyota, 4.7L, Kit

Part Number: JBA-40-9014

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JBA Performance Exhaust Exhaust Systems for 2002-2009 TRAILBLAZER, ENVOY, 2003-2008 ASCENDER - 40-3027

Exhaust System, Cat-Back, Stainless Steel, Natural, Chrome Stainless Tip, Chevy, GMC, 4.2L, Kit

Part Number: JBA-40-3027

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Powertrax Grip LS Traction Systems Ford 9.75 Inch LS109734

Differential, Grip LS Traction System, 34-Spline, Ford, 9.75 in., Each

Part Number: PWT-LS109734

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

Moroso Billet Aluminum Valve Covers 68486

V/C, BBC, POCK, TUBES, BILLET, NO LOGO

Part Number: MOR-68486

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

McLeod Racing Flywheels 560535

FLY ALM CHEVY LS MTR 1997UP .400"THICKER 12" STL INSERT 168

Part Number: MCL-560535

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

PowerStop Z23 Evolution Sport Brake Upgrade Kits with Calipers KC2047

Disc Brake Kits, Z23 Evolution Sport Brake Upgrade Kits, Rear, Cross-drilled/Slotted Rotors, 2-piston Red Calipers, Cadillac, Chevrolet, GMC, Kit

Part Number: PWR-KC2047

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

South Bend Clutch Conversion Clutch Kits for 1994-1996 F-250, 1997 F-250 HD, 1994-1997 F-350 - F/C 1944-5OR

Clutch Kit, Conversion Clutch Kit, Single, 1.250 in. - 10-spline, Organic Disc, Pressure Plate, Dodge, 5.9L Diesel, 6.7L Diesel, Kit

Part Number: SBB-S1417

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

Forgestar CF5V Rotary Formed Gloss Anthracite Wheels 19x13

Wheel, CF5V, Gloss Anthracite, 19 in. x 13 in., 9.400 in. Backspace, +62.00mm Offset, 71.50mm Bore, 6 x 114.3mm/6 x 4.50 in. Pattern, Each

Part Number: FGS-F22393076P62

Not Yet Reviewed

Estimated Ship Date: Feb 5, 2026 if ordered today

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Estimated Ship Date: Feb 5, 2026 if ordered today

MBRP XP Series Exhaust Systems S5014409

Exhaust System, XP Series, Cat-Back, 409 Stainless Steel, Passenger Side Exit, Natural, Polished Tip, Chevy/GMC, Pickup, V8, Kit

Part Number: MBR-S5014409

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Centerforce Dual Friction Clutch Kits for 2001-2002 EXPLORER, 2001-2003 EXPLORER SPORT TRAC, 2001-2011 RANGER - DF145117

Clutch Kit, Dual Friction, 1 in. x 23-Spline, 10.125 in. Dia. Disc, Ford, Mazda, SUV, Pickup, 4.0L, Kit

Part Number: CTF-DF145117

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

Griffin Performance Fit Radiators for 1987-2006 WRANGLER - 8-00172

Radiator, Downflow, 2-Row, Aluminum, Natural, 18 in. Wide, 20 in. Tall, 2.68 in. Thick Core, Manual, Each

Part Number: GRI-8-00172

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

PowerStop Z23 Evolution Sport Brake Upgrade Kits K1919

Brake Rotors, Cross-Drilled/Slotted, Iron, Natural Finish, Front, Rear, Kit

Part Number: PWR-K1919

Not Yet Reviewed

Estimated Ship Date: Today

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2003 Parts and Accessories