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Replacement and OEM Parts for 2003 Chevrolet Express 3500 Cooling Systems, Fans, Radiators & Components

2003 Chevrolet Express 3500 Cooling Systems, Fans, Radiators & Components

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Engine & Drivetrain

100 products about 2003 Chevrolet Express 3500 Cooling Systems, Fans, Radiators & Components found

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  • OEM 2003 Chevrolet Express 3500 Sensor Diagram - 12608814
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Sensor

    PartNumber: 12608814
    OEM 2003 Chevrolet Express 3500 Sensor - 12608814
    Product Specifications
    • Notes: Express, Savana; 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 Express 3500 Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 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
    You Save: $26.51 (48%)
  • OEM 2003 Chevrolet Express 3500 Water Pump Assembly Gasket Diagram - 12630223
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Water Pump Assembly Gasket

    PartNumber: 12630223
    OEM 2003 Chevrolet Express 3500 Water Pump Assembly Gasket - 12630223
    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 Express 3500 Water Pump Assembly Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $5.65 MSRP: $10.21
    You Save: $4.56 (45%)
  • OEM 2003 Chevrolet Express 3500 Water Pump Assembly Gasket Diagram - 12630223
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Water Pump Assembly Gasket

    PartNumber: 12630223
    OEM 2003 Chevrolet Express 3500 Water Pump Assembly Gasket - 12630223
    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 Express 3500 Water Pump Assembly Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
    $5.65 MSRP: $10.21
    You Save: $4.56 (45%)
  • Dorman OE Solutions Oil Cooler Line for 2003 Chevrolet Express 3500 - 625-300

    Dorman® OE Solutions Oil Cooler Line for 2003 Chevrolet Express 3500

    PartNumber: 625-300
    Product Specifications
    • Color or Finish: Natural
    • Hose Attachment End 1: Male Quick Disconnect
    • Hose Attachment End 2: Male Threads
    • Hose Material: Rubber/Metal
    • Hose Overall Length (In): 47.5"
    • Maximum Operating Temperature (F): 329
    • Minimum Operating Temperature (F): -40
    • UPC: 019495291749
    • Part Description: 2003 Chevrolet Express 3500 OE Solutions Oil Cooler Line
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $89.98
  • Dorman Engine Cooling Fan Blade for 2003 Chevrolet Express 3500 - 621-515

    Dorman® Engine Cooling Fan Blade for 2003 Chevrolet Express 3500

    PartNumber: 621-515
    Product Specifications
    • Notes: 11 Blade
    • Blades Count: 11
    • Color: Black
    • Diameter: 19"
    • Installation Hardware Included: No
    • Item Grade: Standard Replacement
    • Material: Stamped Steel
    • OE Part Number: 15024813
    • Package Contents: Fan Blade
    • UPC: 019495536352
    • Part Description: 2003 Chevrolet Express 3500 Engine Cooling Fan Blade
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $48.65
  • OEM 2003 Chevrolet Express 3500 Cap, Radiator Filler Diagram - 15042975
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Cap, Radiator Filler

    PartNumber: 15042975
    OEM 2003 Chevrolet Express 3500 Cap, Radiator Filler - 15042975
    Product Specifications
    • Notes: Express, Savana; 4.8, 5.3, & 6.0 Liter
    • Other Names: Filler Cap, Radiator Cap, Reservoir Cap
    • Item Dimensions: 2.5 x 2.5 x 1.6 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2003 Chevrolet Express 3500 Cap, Radiator Filler
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 6.6 L GAS
    $10.41 MSRP: $21.12
    You Save: $10.71 (51%)
  • Denso Engine Coolant Radiator for 2003 Chevrolet Express 3500 - 221-9124

    Denso® Engine Coolant Radiator for 2003 Chevrolet Express 3500

    PartNumber: 221-9124
    Product Specifications
    • Core Height: 34.0157"
    • Core Thickness: 1.0236"
    • Core Width: 16.9291"
    • Inlet Diameter: 1.3268"
    • Outlet Diameter: 1.5630"
    • UPC: 042511227057
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Radiator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $175.89
  • Gates Engine Coolant Standard Water Pump for 2003 Chevrolet Express 3500 - 45006

    Gates® Engine Coolant Standard Water Pump for 2003 Chevrolet Express 3500

    PartNumber: 45006
    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 Express 3500 Engine Coolant Standard Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $110.08
  • Delphi Coolant Temperature Sensor for 2003 Chevrolet Express 3500 - TS10076

    Delphi® Coolant Temperature Sensor for 2003 Chevrolet Express 3500

    PartNumber: TS10076
    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 Express 3500 Coolant Temperature Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | All Engines
    $21.78
  • Dorman Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Express 3500 - 902-2836

    Dorman® Engine Coolant Thermostat Housing Assembly for 2003 Chevrolet Express 3500

    PartNumber: 902-2836
    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 Express 3500 Engine Coolant Thermostat Housing Assembly
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $39.33
  • OEM 2003 Chevrolet Express 3500 Thermostat Unit Diagram - 12571261
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Thermostat Unit

    PartNumber: 12571261
    OEM 2003 Chevrolet Express 3500 Thermostat Unit - 12571261
    Product Specifications
    • Notes: Express, Savana; 4.8L, 5.3L, 6.0L; Includes Thermostat.; 4.8, 5.3, & 6.0 Liter
    • Other Names: Thermostat Housing, Thermostat Unit
    • Item Dimensions: 6.5 x 4.3 x 4.2 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12561157, 12562740
    • Part Description: 2003 Chevrolet Express 3500 Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • OEM 2003 Chevrolet Express 3500 Thermostat Unit Diagram - 12571261
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Thermostat Unit

    PartNumber: 12571261
    OEM 2003 Chevrolet Express 3500 Thermostat Unit - 12571261
    Product Specifications
    • Notes: Express, Savana; 4.8L, 5.3L, 6.0L; Includes Thermostat.; 4.8, 5.3, & 6.0 Liter
    • Other Names: Thermostat Housing, Thermostat Unit
    • Item Dimensions: 6.5 x 4.3 x 4.2 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12561157, 12562740
    • Part Description: 2003 Chevrolet Express 3500 Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • OEM 2003 Chevrolet Express 3500 Thermostat Unit Diagram - 12571261
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Thermostat Unit

    PartNumber: 12571261
    OEM 2003 Chevrolet Express 3500 Thermostat Unit - 12571261
    Product Specifications
    • Notes: Express, Savana; 4.8L, 5.3L, 6.0L; Includes Thermostat.; 4.8, 5.3, & 6.0 Liter
    • Other Names: Thermostat Housing, Thermostat Unit
    • Item Dimensions: 6.5 x 4.3 x 4.2 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12561157, 12562740
    • Part Description: 2003 Chevrolet Express 3500 Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • OEM 2003 Chevrolet Express 3500 Thermostat Unit Diagram - 12571261
    View Related Parts

    OEM (Genuine) 2003 Chevrolet Express 3500 Thermostat Unit

    PartNumber: 12571261
    OEM 2003 Chevrolet Express 3500 Thermostat Unit - 12571261
    Product Specifications
    • Notes: Express, Savana; 4.8L, 5.3L, 6.0L; Includes Thermostat.; 4.8, 5.3, & 6.0 Liter
    • Other Names: Thermostat Housing, Thermostat Unit
    • Item Dimensions: 6.5 x 4.3 x 4.2 inches
    • Item Weight: 1.10 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12561157, 12562740
    • Part Description: 2003 Chevrolet Express 3500 Thermostat Unit
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    $40.51 MSRP: $76.45
    You Save: $35.94 (48%)
  • Gates Engine Coolant Standard Water Pump for 2003 Chevrolet Express 3500 - 45005

    Gates® Engine Coolant Standard Water Pump for 2003 Chevrolet Express 3500

    PartNumber: 45005
    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 Express 3500 Engine Coolant Standard Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $87.70
  • Four Seasons Auxiliary Engine Cooling Fan for 2003 Chevrolet Express 3500 - 37140

    Four Seasons® Auxiliary Engine Cooling Fan for 2003 Chevrolet Express 3500

    PartNumber: 37140
    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 Express 3500 Auxiliary Engine Cooling Fan
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | All Engines
    $91.74
  • Gates Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Express 3500 - 34702

    Gates® Engine Coolant Thermostat With Housing And Seal for 2003 Chevrolet Express 3500

    PartNumber: 34702
    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 Express 3500 Engine Coolant Thermostat With Housing And Seal
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $48.07
  • Spectra Premium Complete Radiator for 2003 Chevrolet Express 3500 - CU2712

    Spectra Premium® Complete Radiator for 2003 Chevrolet Express 3500

    PartNumber: CU2712
    Product Specifications
    • Notes: w/Clamp-On Hose; Radiator Cap Is Reqd
    • Core Material: Aluminum
    • Height: 30 1/2"
    • Inlet: 1 5/16"
    • Inlet Header: 18 5/8" x 2 3/8"
    • Outlet: 1 9/16"
    • Outlet Header: 18 5/8" x 2 3/8"
    • Row: 1
    • Tank Material: Plastic
    • Thickness: 1"
    • TOC: Plated; 11 1/2"
    • UPC: 671607749427
    • Width: 17 1/4"
    • Part Description: 2003 Chevrolet Express 3500 Complete Radiator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    $171.85
  • Dorman Engine Coolant Recovery Tank for 2003 Chevrolet Express 3500 - 603-078

    Dorman® Engine Coolant Recovery Tank for 2003 Chevrolet Express 3500

    PartNumber: 603-078
    Product Specifications
    • Cap Type: Twist
    • Color: White
    • Material: Plastic
    • Mount Hole Quantity: 1
    • OE Part Number: 15060681, 15209981, 25739061, 25865663
    • Pressurized: No
    • UPC: 019495453154
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Recovery Tank
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $41.56
  • Dayco Engine Coolant Water Pump for 2003 Chevrolet Express 3500 - DP958

    Dayco® Engine Coolant Water Pump for 2003 Chevrolet Express 3500

    PartNumber: DP958
    Product Specifications
    • Notes: Serpentine Belt Driven; Thermostat Bore Dia 52mm
    • UPC: 036687989871
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $78.54
  • STANT 48 mm Cooling System Adapter for 2003 Chevrolet Express 3500 - 12032

    STANT® 48 mm Cooling System Adapter for 2003 Chevrolet Express 3500

    PartNumber: 12032
    Product Specifications
    • Quantity: 1 Piece
    • Size: 48 mm
    • UPC: 033342495104
    • Part Description: 2003 Chevrolet Express 3500 48 mm Cooling System Adapter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $86.79
  • Airtex Engine Coolant Water Pump for 2003 Chevrolet Express 3500 - AW5104

    Airtex® Engine Coolant Water Pump for 2003 Chevrolet Express 3500

    PartNumber: AW5104
    Product Specifications
    • Fan Clutch Included: No
    • Housing Material: Aluminum
    • Hub Height: 167.00 mm
    • Impeller Material: Steel
    • Impeller Rotation: Reverse
    • Impeller Vane Quantity: 7
    • Includes Back Housing: No
    • Mounting Hole Quantity: 6
    • Pulley Outside Diameter: 148.59 mm
    • Water Pump Drive Type: Serpentine Belt
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Water Pump
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $98.67
  • Victor Reinz Dual Round Port Oil Cooler Gasket for 2003 Chevrolet Express 3500 - 71-13510-00

    Victor Reinz® Dual Round Port Oil Cooler Gasket for 2003 Chevrolet Express 3500

    PartNumber: 71-13510-00
    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 Express 3500 Dual Round Port Oil Cooler Gasket
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $7.88
  • Gates Cooling System Tester Adapter for 2003 Chevrolet Express 3500 - 31431

    Gates® Cooling System Tester Adapter for 2003 Chevrolet Express 3500

    PartNumber: 31431
    Product Specifications
    • Quantity: 1 Piece
    • UPC: 072053608595
    • Part Description: 2003 Chevrolet Express 3500 Cooling System Tester Adapter
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    Show More
    $34.84
  • Four Seasons Auxiliary Engine Cooling Fan for 2003 Chevrolet Express 3500 - 37141

    Four Seasons® Auxiliary Engine Cooling Fan for 2003 Chevrolet Express 3500

    PartNumber: 37141
    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 Express 3500 Auxiliary Engine Cooling Fan
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | All Engines
    $102.23
  • Walker Products Engine Coolant Temperature Sensor for 2003 Chevrolet Express 3500 - 211-91118

    Walker Products® Engine Coolant Temperature Sensor for 2003 Chevrolet Express 3500

    PartNumber: 211-91118
    Product Specifications
    • Notes: Full Service Kit, Incls Sensor, Pigtail, Butt Connectors & Heat Shrink
    • UPC: 724620066436
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Temperature Sensor
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $13.33
  • Dayco Engine Coolant Curved Radiator Hose for 2003 Chevrolet Express 3500 - 72350

    Dayco® Engine Coolant Curved Radiator Hose for 2003 Chevrolet Express 3500

    PartNumber: 72350
    Product Specifications
    • Color: Black
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 9/16
    • End 2 Inside Diameter: 1 9/16
    • Hose Type: Single I.D. Hose
    • Material: EPDM
    • OE Part Number: 25757838
    • SAE Specification: SAE J20R4 Class D-1, SAE J1684 Type EC
    • Trunk Height: 16
    • UPC: 036687615459
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Curved Radiator Hose
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $25.96
  • Dorman Engine Coolant Thermostat Housing for 2003 Chevrolet Express 3500 - 902-2700

    Dorman® Engine Coolant Thermostat Housing for 2003 Chevrolet Express 3500

    PartNumber: 902-2700
    Product Specifications
    • Notes: Incls Thermostat; w/Water Pump Casting# 12562459; w/Thermostat Retainer Brackets; 180 Degrees Fahrenheit
    • Bleeder Hole: No
    • Bolt Hole Center To Bolt Hole Center: 3"
    • Bolt Hole Quantity: 3
    • Color: Natural
    • Flange Length: 4.376"
    • Flange Thickness: 0.35"
    • Flange Width: 2.75"
    • Gasket or Seal Included: Yes
    • Gasket Type: O Ring
    • Grade Type: Regular
    • Inside Diameter: 1.3"
    • Material: Aluminum
    • Mounting Hardware Included: No
    • Outlet Port Quantity: 1
    • Package Contents: 1 Thermostat Housing; 1 Thermostat; 1 O-Ring
    • Thermostat Included: Yes
    • Thermostat Opening Temperature: 180 Deg. F
    • UPC: 889245055224
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Thermostat Housing
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $23.46
  • Spectra Premium Complete Radiator for 2003 Chevrolet Express 3500 - CU2713

    Spectra Premium® Complete Radiator for 2003 Chevrolet Express 3500

    PartNumber: CU2713
    Product Specifications
    • Notes: w/Clamp-On Hose; Radiator Cap Is Reqd
    • Core Material: Aluminum
    • EOC: Plated; 11 1/2"
    • Height: 34"
    • Inlet: 1 5/16"
    • Inlet Header: 18 5/8" x 2 3/8"
    • Outlet: 1 9/16"
    • Outlet Header: 18 5/8" x 2 3/8"
    • Row: 1
    • Tank Material: Plastic
    • Thickness: 15/16"
    • TOC: Plated; 11 1/2"
    • UPC: 671607749434
    • Width: 17 5/16"
    • Part Description: 2003 Chevrolet Express 3500 Complete Radiator
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    $136.75
  • Gates Engine Coolant Molded Radiator Hose for 2003 Chevrolet Express 3500 - 22756

    Gates® Engine Coolant Molded Radiator Hose for 2003 Chevrolet Express 3500

    PartNumber: 22756
    Product Specifications
    • Branch Quantity: 0
    • Contains Spring: No
    • End 1 Inside Diameter: 1.54 in
    • End 2 Inside Diameter: 1.54 in
    • Material: EPDM
    • Modular Hose: No
    • Molded: Yes
    • Number of Quick Connect Fittings: 0
    • OE Part Number: 5523
    • UPC: 072053787436
    • Part Description: 2003 Chevrolet Express 3500 Engine Coolant Molded Radiator Hose
    More Info
    Vehicle Fitment
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 4.8L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 5.3L
    • 2003 Chevrolet Express 3500 | All Trims | 8 Cyl 6.0L
    Show More
    $36.60
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