108 products about 2003 Chevrolet Silverado 1500 HD Cooling Systems, Fans, Radiators & Components foundVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.8l, 5.3l, 6.0l Item Dimensions: 2.8 x 1.7 x 0.8 inches Item Weight: 0.40 Pounds Fitment Type: Direct Replacement Replaces: 25037062, 12191170, 15326388, 15369305 Part Description: 2003 Chevrolet Silverado 1500 HD Sensor More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $30.68 MSRP: $57.90
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.8, 5.3 & 6.0 Liter Item Dimensions: 4.6 x 3.3 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12580035, 12588372, 12559271, 12610311 Part Description: 2003 Chevrolet Silverado 1500 HD Water Pump Assembly Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $6.96 MSRP: $12.59
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: 4.8, 5.3 & 6.0 Liter Item Dimensions: 4.6 x 3.3 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12580035, 12588372, 12559271, 12610311 Part Description: 2003 Chevrolet Silverado 1500 HD Water Pump Assembly Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $6.96 MSRP: $12.59
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Color or Finish: Natural Hose Attachment End 1: Block Connector Hose Attachment End 2: Quick Disconnect Hose Material: Rubber/Metal Hose Overall Length (In): 8" OE Part Number: 15203890, 15765439 UPC: 019495063698 Part Description: 2003 Chevrolet Silverado 1500 HD OE Solutions Inlet Outlet Oil Cooler Line More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: All Models; 4.8, 5.3 & 6.0 Liter Item Dimensions: 2.5 x 2.5 x 1.5 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 22671020, 22652695, 15066786 Part Description: 2003 Chevrolet Silverado 1500 HD Recovery Tank Cap More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $13.10 MSRP: $24.70
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: w/Thermostat & Housing Housing: Cast Aluminum Impeller Material: Stamped Steel Number of Outlets: 2 Rotation of Impeller: Reverse Timing Belt Driven: No UPC: 072053781632 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Standard Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Cap Maximum Pressure Rating: 15 PSI Cap Type: Spring Loaded Twist Color: Clear Height: 186 mm Length: 235 mm Material: Plastic Mount Hole Quantity: 1 OE Part Number: RC98, 15808715, 15808716, 15203949, 15778386 Pressurized: Yes UPC: 019495095279 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Recovery Tank More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Core Height: 17.0470" Core Thickness: 1.0620" Core Width: 33.9300" Inlet Diameter: 1.3380" Outlet Diameter: 1.5550" UPC: 042511219502 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: All Models; 4.8l, 5.3l, 6.0l; 4.8, 5.3 & 6.0 Liter Other Names: Lower Hose Item Dimensions: 5.8 x 4.4 x 14.9 inches Item Weight: 1.40 Pounds Fitment Type: Direct Replacement Replaces: 15037656, 15792826, 15769077, 19130015 Part Description: 2003 Chevrolet Silverado 1500 HD Lower Hose More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $33.96 MSRP: $51.23
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 4.8l, 5.3l, 6.0l; 4.8, 5.3 & 6.0 Liter Other Names: Lower Hose Item Dimensions: 5.8 x 4.4 x 14.9 inches Item Weight: 1.40 Pounds Fitment Type: Direct Replacement Replaces: 15037656, 15792826, 15769077, 19130015 Part Description: 2003 Chevrolet Silverado 1500 HD Lower Hose More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $33.96 MSRP: $51.23
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Blade Diameter: 470 Blade Material: Plastic Blade Quantity: 9 Finish: White Item Grade: Standard Replacement Mounting Hardware Included: No OE Part Number: 15017911 Package Contents: Engine Cooling Fan Blade UPC: 037495572194 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Cooling Fan Blade More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Connector Gender: Female Connector Quantity: 1 Connector Shape: Oval Mounting Type: Threaded Nut OE Part Number: 15369305 Terminal Gender: Male Terminal Quantity: 2 Terminal Type: Pin UPC: 689604110416 Wiring Harness Included: No Part Description: 2003 Chevrolet Silverado 1500 HD Coolant Temperature Sensor More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: w/o Thermostat & Housing; May Req Thermostat/Housing Replacement Housing: Cast Aluminum Impeller Material: Stamped Steel Number of Outlets: 4 Rotation of Impeller: Reverse Timing Belt Driven: No UPC: 072053781625 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Standard Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: Serpentine Belt Driven; Thermostat Bore Dia 47mm UPC: 036687990730 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Bottom Header: 18 1/2" x 3 1/4"; Core Size: 34" x 18 3/8" x 7/8"; Manufactured Material: Plastic/Alum; Remarks: w/o EOC; Rows: 1; Top Header: 18 1/2" x 3 1/4" Bottom Header: 18 1/2" x 3 1/4" Core Size: 34" x 18 3/8" x 7/8" Manufactured Material: Plastic/Aluminum OE Part Number: 15193108 Remarks: w/o EOC Rows: 1 Top Header: 18 1/2" x 3 1/4" UPC: 762405252582 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: Universal Fit Super Duty Electric Puller Auxiliary Fan. Add on fans used to supplement the primary Eng cooling fan. Incls mounting hardware. Controls not Incld. Material: Plastic Performance Rated: Yes SDS Required: No (135233618) UPC: 096361089945 Part Description: 2003 Chevrolet Silverado 1500 HD Auxiliary Engine Cooling Fan More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: wo/Water Pump Casting# 12562459; Use If Original Water Pump Replaced w/Later Design; Includes Thermostat OE Part Number: 12600172, 12581594, 12568911, 8125815940, 8125689110, 8126001720 Package Contents: 1 Thermostat Housing UPC: 889245054883 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Thermostat Housing Assembly More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: W/GM Updated Replacement Water Pump; Incls Housing; 187 Degree; OE Temperature; Seal Incld Check Valve: No Electric: No Jiggle Pin: Yes Number of Bolt Holes: 2 Number of Seals: 1 OE Exact: No Outlet Inside Diameter 1: 1.175" Outlet Outside Diameter 1: 1.554" Temperature (F): 187 Type: Integrated Housing Thermostat UPC: 770075631569 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Thermostat With Housing And Seal More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: 4.8, 5.3 & 6.0 Liter, 6.0 Liter Item Dimensions: 3.2 x 1.7 x 0.2 inches Item Weight: 0.30 Pounds Fitment Type: Direct Replacement Replaces: 12560438 Part Description: 2003 Chevrolet Silverado 1500 HD Pipe Assembly Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | Base, LS, LT | 8 Cyl 6.0 L GAS $6.43 MSRP: $10.64
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: Serpentine Belt Driven; Thermostat Bore Dia 52mm UPC: 036687989871 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Quantity: 1 Piece Size: 48 mm UPC: 033342495104 Part Description: 2003 Chevrolet Silverado 1500 HD 48 mm Cooling System Adapter More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: Universal Fit Super Duty Electric Pusher Auxiliary Fan. Add on fans used to supplement the primary Eng cooling fan. Incls mounting hardware. Controls not Incld. Material: Plastic Performance Rated: Yes SDS Required: No (135233618) UPC: 096361089952 Part Description: 2003 Chevrolet Silverado 1500 HD Auxiliary Engine Cooling Fan More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: with Dual Round Ports Color: Color May Vary Complete: Y Configuration: One Piece Contains Applications: Y Length: 2.6300 Material: Molded Rubber And Metal Meets or Exceeds OEM Specs: Y Release Wave: 12/15/2017 Rim Shape: Oval UPC: 023913670535 Width: 1.0400 Part Description: 2003 Chevrolet Silverado 1500 HD Dual Round Port Oil Cooler Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines VEHICLE SPECIFIC Product Specifications Notes: Full Service Kit, Incls Sensor, Pigtail, Butt Connectors & Heat Shrink UPC: 724620066436 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Temperature Sensor More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: OE Style Design; w/o Eng Oil Cooler Bottom Hose Fitting (in): 1 9/16 Right Box Height (in): 7 1/16 Box Length (in): 41 7/8 Box Weight (lbs): 17 Box Width (in): 23 9/16 Core Length: 34 Core Material: Aluminum Core Thickness: 1 1/4 Core Width: 17 1/4 Cross-flow/ Down-flow: Cross Flow Hazardous Material: No Inlet Length (in): 18 1/16 Inlet Width (in): 2 3/4 No. Of Rows: 1 OE Part Number: 22840117, 15841572, 2423, 2921, CU2370, 2945, CU2423, 2946, CU2921 Oil Cooler (in): 11 1/2 (high-efficiency Plate Type) Outlet Length(in): 18 1/16 Outlet Width: 2 3/4 Radiator Cap Supplied: No Tank Material: Plastic Tech Note: O.E.M. style Plastic tanks & Aluminum core;with quick-connect oil cooler fittings. Top Hose Fitting (in): 1 5/16 Left UPC: 710353036532 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: 2.05" Dia Thermostat Opening Housing Material: Aluminum Hub Height: 6.57 in Hub Pilot Diameter: 5.85 in Impeller Material: Metal Impeller Rotation: Reverse Pulley Type: Serpentine Belt UPC: 826732880860 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: All Models; 6.0l; Auto Trans; W/Engine Oil Cooler Other Names: Radiator Item Dimensions: 47.8 x 25.5 x 8.1 inches Item Weight: 19.90 Pounds Fitment Type: Direct Replacement Replaces: 52473443, 15841570, 15192412, 25811504, 15193107, 22840118, 52487603, 52486594, 15252625 Part Description: 2003 Chevrolet Silverado 1500 HD Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | LS, LT | 8 Cyl 6.0 L GAS $298.91 MSRP: $423.64
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Centerline Length: 16; 19.1; 485 Contains Spring: No End 1 Inside Diameter: 1; 25 End 2 Inside Diameter: .75; 19 End 3 Inside Diameter: .63 End 4 Inside Diameter: .63; 16 Material: EPDM, Plastic Modular Components: Branch Modular Hose: Yes Molded: Yes Number of Quick Connect Fittings: 0 OE Part Number: 5319 UPC: 072053546125 Part Description: 2003 Chevrolet Silverado 1500 HD Engine Coolant Reservoir Hose More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Quantity: 1 Piece UPC: 072053608595 Part Description: 2003 Chevrolet Silverado 1500 HD Cooling System Tester Adapter More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: Universal Fit Auxiliary Electric Fan. Add on fans used to supplement the primary Eng cooling fan. Blade Color A : Black Blade Material: Plastic; Reinforced Nylon Blade Quantity: 8 Blade Type: curved 'S' blade CFM Free Air High: 1250 CFM Free Air Low: 1250 CFM Rad Mnt High: 1050 CFM Rad Mnt Low: 1050 Color: Black Depth IN: 3.71" Dia. IN: 14.000 Dia. MM: 355.600 Fan 1 Diameter: 14.000 Fan Clutch Mounted: no Fan Quantity: 1 Fan Type: Universal Electric fan Material: Reinforced Nylon Mounting Hardware: Included O.E. Replacement: No Performance Rated: Yes Rotation: Reversible SDS Required: No (135233618) Shroud Color: Black Shroud Included: finger guard on fan Shroud Material: Plastic; reinforced nylon Style: Reversible Fan Universal Or Specific Fit: Universal Electric fan UPC: 096361368972 Voltage: 12 Volume (CFM): 1085 Wiring Harness Length: 36.000 Part Description: 2003 Chevrolet Silverado 1500 HD Electric Fan Kit More Info Vehicle Fitment 2003 Chevrolet Silverado 1500 HD | All Trims | All Engines