232 products about 2003 Chevrolet Silverado 2500 HD Cooling Systems, Fans, Radiators & Components foundVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.6L Item Dimensions: 2.9 x 1.2 x 0.8 inches Item Weight: 0.50 Pounds Fitment Type: Direct Replacement Replaces: 25036979, 12146312 Part Description: 2003 Chevrolet Silverado 2500 HD Fan Switch More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $26.34 MSRP: $49.72
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Check Fit Add to CartVEHICLE 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 2500 HD Sensor More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL $29.87 MSRP: $56.38
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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 2500 HD Water Pump Assembly Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS $6.77 MSRP: $12.25
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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 2500 HD Water Pump Assembly Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS $6.77 MSRP: $12.25
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.6L; Rear; 6.6 Liter Turbo Diesel, Rear Other Names: Thermostat Item Dimensions: 3.2 x 3.1 x 3.1 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2003 Chevrolet Silverado 2500 HD Thermostat More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $31.67 MSRP: $59.78
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.6L; Rear; 6.6 Liter Turbo Diesel, Rear Other Names: Thermostat Item Dimensions: 3.2 x 3.1 x 3.1 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2003 Chevrolet Silverado 2500 HD Thermostat More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, Custom, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $31.67 MSRP: $59.78
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Color or Finish: Silver Cooler Inlet Size: 0.72" Cooler Outlet Size: 0.72" Cooling Row Quantity: 11 Core Tube Width: 0.155" Depth: 2.35" Diameter (in): 0.72" Finish: Brushed Metal Height: 3.281" Inlet Fitting Type: Female Installation Hardware Included: Yes Item Grade: Standard Replacement Material: Aluminum OE Part Number: 12649227, 19210615 Outlet Fitting Type: Female Thickness (in): 3.096" UPC: 019495387121 Width (in): 3.096" Part Description: 2003 Chevrolet Silverado 2500 HD OE Solutions Diesel Oil Cooler More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Material: Iron Mounting Hardware Included: No OE Part Number: 97226289 Package Contents: 1 Fan Pulley Bracket UPC: 885484738751 Part Description: 2003 Chevrolet Silverado 2500 HD Cooling Fan Pulley Bracket More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Notes: All Models; 6.6L; Front; 6.6 Liter Turbo Diesel, Front Other Names: Thermostat Item Dimensions: 3.2 x 3.2 x 3.2 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2003 Chevrolet Silverado 2500 HD Thermostat More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $33.70 MSRP: $68.40
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Notes: All Models; 6.6L; Front; 6.6 Liter Turbo Diesel, Front Other Names: Thermostat Item Dimensions: 3.2 x 3.2 x 3.2 inches Item Weight: 0.70 Pounds Fitment Type: Direct Replacement Part Description: 2003 Chevrolet Silverado 2500 HD Thermostat More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, High Country, LS, LT, LTZ, WT | 8 Cyl 6.6 L DIESEL $33.70 MSRP: $68.40
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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 2500 HD OE Solutions Inlet Outlet Oil Cooler Line More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 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 2500 HD Lower Hose More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS $33.06 MSRP: $49.88
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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 2500 HD Lower Hose More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS $33.06 MSRP: $49.88
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Blades Count: 9 Color: Black Diameter: 20.87" Installation Hardware Included: No Item Grade: Standard Replacement Material: Plastic OE Part Number: 15010202 Package Contents: Fan Blade UPC: 037495598224 Part Description: 2003 Chevrolet Silverado 2500 HD Engine Cooling Fan Blade More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L 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 2500 HD Engine Coolant Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: Incls Back Housing Housing: Cast Aluminum Impeller Material: Cast Iron Number of Outlets: 2 Rotation of Impeller: Reverse Timing Belt Driven: No UPC: 770075420309 Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Standard Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Branch Quantity: 2 Contains Spring: No End 1 Inside Diameter: 1.78 in End 2 Inside Diameter: 1.78 in End 3 Inside Diameter: 1 in End 4 Inside Diameter: 0.62 in Material: EPDM, Plastic, Steel Modular Components: Branch, Female Quick Connector Modular Hose: Yes Molded: Yes Number of Quick Connect Fittings: 1 OE Part Number: 48124 UPC: 072053582086 Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Molded Radiator Hose More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L 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 2500 HD Engine Coolant Recovery Tank More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L 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 2500 HD Coolant Temperature Sensor More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: 1 Row Equivalent Bottom Header: 3.16" x 20.66" Core Height: 19.41" Core Length: 34.09" Core Material: Aluminum Core Thickness: 2.20" EOC (Yes/No): No Fin Count (Every 4"): 64: 64 Fin Wave Height: 0.35" Find Wave Pitch: 3.2 Flow Configuration: Crossflow Inlet Connection Type: Hose Clamp Inlet Diameter: 1.81" OE Part Number: 15914079, GM3010285 Outlet Connection Type: Hose Clamp Outlet Diameter: 1.81" Rows: 1 TOC (Yes/No): Yes TOC Distance: 11.50" TOC Inlet Diameter: 0.88" Toc Inlet Type: Quick Connect TOC Outlet Diameter: 0.88" Toc Outlet Type: Quick Connect TOC type: Plate Oil Cooler Top Header: 3.16" x 20.66" Total Fin Row Count: 45 Total Tube Count: 44 Tube Count (Every 4"): 10: 10 Tube Width x Height: 26" x 2" UPC: 762405912233 Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Notes: All Models; 4.8, 5.3 & 6.0 Liter; 8.1 Liter Gas; 6.6 Liter Turbo Diesel 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 2500 HD Recovery Tank Cap More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS $13.24 MSRP: $24.06
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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 2500 HD Engine Coolant Standard Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: w/UCT Tag Color or Finish: Natural Hose Attachment End 1: Male Quick Disconnect Hose Attachment End 2: Male Quick Disconnect Hose Material: Rubber/Metal Hose Overall Length (In): 48" OE Part Number: 15809062 UPC: 019495291770 Part Description: 2003 Chevrolet Silverado 2500 HD OE Solutions Oil Cooler Line More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 8.1L VEHICLE SPECIFIC Product Specifications Notes: Reverse Rotation; Severe Duty Thermal Fan Clutch Bolt Hole Quantity: 4 Bolt Quantity: 4 Bolt Thread: M8 x 1.25 Hole Clutch Maximum Diameter: 7.4 Clutch Type: D - Severe Duty & Truck Fan Drive Color: Raw Aluminum in Color Distance From Clutch To Mounting Flange: 1.75 Electronic Clutch: Non Electronic Fan Bolt Circle IN: 3.81 Fan Bolt Circle MM: 96.8 Material: Aluminum Meets / Exceeds OEM: Yes Mount Dia. IN: 1.86 HEX Mount Dia. MM: 47 HEX Mounting Hardware: Not Included Mounting Hole Quantity: 4 Mounting Type: HEX New or Reman: New Overall Dia. MM: 188 Overall Height IN: 4.27 Overall Height MM: 108.3 Performance Rated: Yes Pilot Depth IN: 0.78; 0.79 Pilot Depth MM: 20.1 Pilot Dia. IN: M36x2.000 Rotation: REV SDS Required: No (135233618) Style: Severe Duty UPC: 096361367869 Use Type: Severe Part Description: 2003 Chevrolet Silverado 2500 HD Thermal Engine Cooling Fan Clutch More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L 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 2500 HD Pipe Assembly Gasket More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | Base, LS, LT, LTZ, WT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS $6.26 MSRP: $10.36
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Check Fit Add to CartVEHICLE SPECIFIC Product Specifications Connector Gender: Female Connector Quantity: 1 Connector Shape: Oval Mounting Type: Threaded Nut Terminal Gender: Male Terminal Quantity: 2 Terminal Type: Pin UPC: 689604110423 Wiring Harness Included: No Part Description: 2003 Chevrolet Silverado 2500 HD Coolant Temperature Sensor More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L VEHICLE SPECIFIC Product Specifications Gasket Bolt Hole Quantity: 4 Gasket Color: Color May Vary Gasket Material: Rubber Coated Metal Gasket Thickness (IN): 0.018 in Meets or Exceeds OEM Specs: Y UPC: 023913758066 Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Water Pump Installation Kit More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.6L 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 2500 HD Engine Coolant Radiator More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L 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 2500 HD Engine Coolant Standard Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L VEHICLE SPECIFIC Product Specifications Notes: Serpentine Belt Driven; Thermostat Bore Dia 52mm UPC: 036687989871 Part Description: 2003 Chevrolet Silverado 2500 HD Engine Coolant Water Pump More Info Vehicle Fitment 2003 Chevrolet Silverado 2500 HD | All Trims | 8 Cyl 6.0L