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

Walker CalCat Universal Catalytic Converters 82640

Catalytic Converters, Universal, Stainless Steel Case, 2.500 in. Slip Fit Inlet/Outlet, 15.500 in. Overall Length, Each

Part Number: WLK-82640

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2007 ACCORD, 2004-2008 TL - 83299

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

Part Number: WLK-83299

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Walker Direct-Fit Catalytic Converters for 2002-2005 CIVIC, 2002-2006 RSX - 84606

CalCat CARB Catalytic Converter

Part Number: WLK-84606

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Walker CalCat Direct-Fit Catalytic Converters for 2003-2007 ACCORD - 84394

Converter-CalCat-Direct Fit

Part Number: WLK-84394

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Action Clutch Stage 3 Clutch Kits for 2003-2012 ACCORD - ACR-0596

Single Disc Stage 3 Clutch Kit (1MS) for Honda Accord 2003-2012 2.4L (K24A4) Includes Lightened Flywheel

Part Number: ANH-ACR-0596

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Action Clutch Stage 4 Clutch Kits for 2003-2012 ACCORD - ACR-0597

Clutch Kits, Action Clutch Stage 4 Clutch Kits, 24 Splines, 1.031 in. Input Shaft, Ceramic 6-Paddle Disc, Solid Hub, for use on Honda®, Each

Part Number: ANH-ACR-0597

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Action Clutch Stage 3 Clutch Kits for 2002-2005 CIVIC - ACR-0653

Single Disc Stage 3 Clutch Kit (1MS) for Honda Civic SI 2002-2005 2.0L (K20A3) Includes Lightened Flywheel

Part Number: ANH-ACR-0653

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Action Clutch Stage 4 Clutch Kits for 2002-2005 CIVIC - ACR-0654

Single Disc Stage 4 Clutch Kit (1MD) for Honda Civic SI 2002-2005 2.0L (K20A3) Includes Lightened Flywheel

Part Number: ANH-ACR-0654

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2003-2007 ACCORD, 2005-2007 RL, 2004-2008 TL - 5531336

Catalytic Converter, Direct-Fit, Stock Flange, One Inlet, One Outlet, Stainless Steel, Ceramic Honeycomb, for use on Honda®, Each

Part Number: MPE-5531336

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Hot Rods Crankshafts 421-4409

Crankshaft CRANKSHAFT CRANKSHAFT

Part Number: HRI-4409

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

Hot Rods Crankshafts for 2002-2008 CRF450R - 421-4148

Crankshaft Assembly, +3.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4148

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

Vertex Complete Engine Rebuild Kits WR00011

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00011

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Hot Rods Crankshafts for 1999-2008 TRX400EX SPORTRAX - 421-4040

Crankshaft Assembly, Forged 4140 Steel, Each

Part Number: HRI-4040

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

Catco Federal/EPA Direct-Fit Catalytic Converters for 2003-2011 ELEMENT - 4560

Catco Federal/EPA Direct-Fit Catalytic Converters for 2003-2011 ELEMENT - 4560

Catalytic Converters, Federal/EPA Direct-Fit Catalytic Converter, Stainless Steel, For use on Honda®, Each

Part Number: CTO-4560

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

MagnaFlow Direct-Fit Catalytic Converters for 2002-2006 CR-V - 23766

Catalytic Converter, Stainless Steel, for use on Honda®, 2.4L, Each

Part Number: MPE-23766

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2001-2002 MDX, 2003-2004 PILOT - 49569

Catalytic Converter, Stainless Steel, for use on Honda®, 3.5L, Center, Each

Part Number: MPE-49569

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2001-2002 MDX, 2003-2004 PILOT - 93363

Catalytic Converter, Stainless Steel, for use on Honda®, 3.5L, Center, Each

Part Number: MPE-93363

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters 24741

Catalytic Converter, Stainless Steel, for use on Acura®, Honda®, Saturn, V6, Rear, Each

Part Number: MPE-24741

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2003-2005 CIVIC - 51595

Catalytic Converter, Stainless Steel, for use on Honda®, 1.3L, Front, Each

Part Number: MPE-51595

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2001-2005 CIVIC - 49483

Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49483

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Walker Direct-Fit Catalytic Converters for 2002-2006 CR-V - 84696

CalCat CARB Catalytic Converter

Part Number: WLK-84696

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

VEGE Remanufactured Cylinder Heads for 2001-2005 CIVIC - 2552

Cyl Head, HONDA D17A1 01-05 CY HEAD

Part Number: VRE-2552

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

Walker CalCat Direct-Fit Catalytic Converters for 2003-2007 ACCORD, 2004-2008 TL - 83188

Catalytic Converter, Cal-Cat Direct Fit, Stock Flange Inlet, Stock Flange Outlet, Ceramic Honeycomb, Acura, Honda, Each

Part Number: WLK-83188

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

CP Pistons Arias Piston and Ring Kits A3339500

Piston and Rings, Arias, 3.386 in. Bore, Dome, Forged, Acura®, Honda®, 2.0L, K Series, Kit

Part Number: CNN-A3339500

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

CP Pistons Arias Piston and Ring Kits A3339521

Piston and Rings, Arias, 3.406 in. Bore, Dome, Forged, Acura®, Honda®, 2.0L, K Series, Kit

Part Number: CNN-A3339521

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

2003 HONDA Parts and Accessories