2003 CADILLAC | Summit Racing

Cometic Street Pro Top-End Gasket Kits PRO1040T-045

Domestic Street Pro Kit, Top End Gasket Kit, GM LS 4.8L/5.3L Truck/Van 2001-2010

Part Number: CGT-PRO1040T-045

Not Yet Reviewed

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ACDelco GM Genuine Parts Radiators 22840116

Radiator, Exact Fit, OE, Aluminum/Plastic, Natural, Crossflow, Each

Part Number: ADO-21649

3.71 out of 5 stars ( 7 )

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Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C2-GM8.5-R

Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

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Summit Racing™ 145 Amp Alternator for Chevy, Buick, GMC, Cadillac SUM-810347

Alternator, Internal Regulator, 12 V, 145 amps, Natural Finish, Serpentine Pulley, Each

Part Number: SUM-810347

3.8 out of 5 stars ( 5 )

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ACDelco GM Genuine Parts Air Conditioning Compressors 19436043

COMPRESSOR KIT,A/C

Part Number: ADO-19436043

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Holley Sniper Fabricated Aluminum Valve Covers 890014

Valve Covers, Sniper EFI, Fabricated, Aluminum, 2.25 in. Tall, Center Bolt Mount, Silver Gloss, No Breather Hole, Hardware, Chevy, LS, 4.8-7.0L, Pair

Part Number: SNE-890014

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Motive Gear Ring and Pinion Sets GM10-342 GM 8.5/8.6 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5 in/8.6 in., Set

Part Number: MGR-GM10-342

5.0 out of 5 stars ( 3 )

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aFe Pro Series Transmission Pans 46-70242

Automatic Transmission Pan, Deep, 2 qts. Capacity Increase, Aluminum, Black Powdercoated, GMC, Each

Part Number: AFE-46-70242

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Cloyes Hex-A-Just Z-Racing Timing Sets 9-3158AZ

Cloyes Hex-A-Just Z-Racing Timing Sets 9-3158AZ

Timing Chain and Gear Set, Hex-A-Just Roller, Single Roller, Z-Chain, Chevy, LS1, LS2, LS6, Set

Part Number: CLO-9-3158AZ

5.0 out of 5 stars ( 2 )

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K&N 57 Series FIPK Cold Air Intake Kits 57-3023-1

Air Intake, 57 Series FIPK, Polyethylene Tube, Black, Cotton Gauze Filter, Oiled, Red, Chevy, GMC, 1500, 2500, Cadillac, Escalade, 5.3L, 6.0L, Kit

Part Number: KNN-57-3023-1

4.2 out of 5 stars ( 15 )

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Melling M-Select Class 1 Camshafts MTC-8

Camshaft, M-Select Class 1, Hydraulic Roller, Towing, Advertised Duration 274/280, Lift .522/.529, Buick, Cadillac, Chevy, GMC, Small Block LS, Each

Part Number: MEL-MTC-8

Not Yet Reviewed

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Eddie Motorsports Ball Milled Billet Coil Covers MS109-04HL

Coil Covers, Aluminum, Matte Black Powdercoated with Ball Milled Grooves, Chevy, LS, With Oil Fill Cutout, Pair

Part Number: EMS-MS109-04HL

2.67 out of 5 stars ( 3 )

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K Source Side View Mirrors 62075-76G

Towing Mirror, Extendable, Turn Signal, Foldable, Chevy, Passenger and Driver Side, Pair

Part Number: KSC-62075-76G

4.42 out of 5 stars ( 38 )

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Rough Country 95 Series Gloss Black Wheels 20x10

Wheel, 95 Series, Aluminum, Gloss, Black, 20 in. x 10 in., 6 x 5.50 in. Bolt Circle, 4.75 Backspace, -18.00mm Offset, Each

Part Number: ROU-95201812

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Defiant DF07 Satin Black Wheels 22x10

Wheel, DF07, Cast Aluminum, Satin Black, 22x10, 6 x139.7mm/5.5 Bolt Pattern, 5.00 in. Backspace, Each

Part Number: DWH-9511594

Not Yet Reviewed

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

Ring and Pinion Gear, 4.56:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36218

Not Yet Reviewed

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Dynomax Ultra Flo Welded Exhaust Systems for 2001-2006 YUKON, TAHOE, 2002-2005 ESCALADE - 19361

Exhaust, Ultra Flo Welded, Steel, Aluminized, Chrome Tip, Cadillac, Chevy, GMC, 4.8 5.3L, Kit

Part Number: WLK-19361

4.38 out of 5 stars ( 8 )

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PowerStop Z23 Evolution Sport Brake Upgrade Kits with Calipers KC2009

Performance Disc Brakes, Front, Drilled/Slotted Rotors, Red Calipers, Cadillac, Chevy, GMC, Kit

Part Number: PWR-KC2009

4.89 out of 5 stars ( 9 )

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MechMan S Series Alternators 8237170

170 amp high output racing alternator for GM LS brackets

Part Number: MEH-8237170

5.0 out of 5 stars ( 3 )

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PowerStop Performance Powdercoated Brake Calipers S4728BLK

Disc Brake Caliper, Cast Iron, Black, 2-Piston, Cadillac, Chevy, GMC, Pair

Part Number: PWR-S4728BLK

5.0 out of 5 stars ( 2 )

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Richmond Gear Ring and Pinion Sets 69-0169-1 GM 8.5/8.6 in. 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.6 out of 5 stars ( 5 )

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Yukon Gear & Axle Hardcore 10 Bolt GM 8.5 Inch Differential Cover YHCC-GM8.5-M

Differential Cover, Yukon Rear Nodular Iron Cover for 8.6" GM with 8mm Cover Bolts

Part Number: YGA-YHCC-GM85-M

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Denso Air Conditioning Compressors 471-0316

Air Conditioning Compressors, Aluminum, Natural, Pulley, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: DNP-471-0316

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Melling M-Select Class 1 Camshafts MTC-7

Camshaft, M-Select Class 1, Hydraulic Roller, Towing, Advertised Duration 262/268, Lift .515/.522, Buick, Cadillac, Chevy, GMC, Small Block LS, Each

Part Number: MEL-MTC-7

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Black Rhino Rival Burnt Bronze Wheels with Matte Black Lip 17x8.5

Wheels, Rival, Aluminum, Burnt Bronze with Matte Black Lip, 17 in. x 8.5 in., 6 x 5.5 in. Bolt Spacing, 5.14 in. Backspacing, Each

Part Number: BLW-S6415

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

2003 CADILLAC Parts and Accessories