Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2003 GMC Sierra 1500 HD Heater Hose

2003 GMC Sierra 1500 HD Heater Hose

My Vehicle Change Vehicle
2003 GMC Sierra 1500 HD
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
A/C & Heating
  • Department
  • Brands
  • Prices

12 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • Dorman Engine Coolant Crossover Pipe for 2003 GMC Sierra 1500 HD - 626-543

    Dorman® Engine Coolant Crossover Pipe for 2003 GMC Sierra 1500 HD

    PartNumber: 626-543
    Product Specifications
    • Height: 2.91 in
    • Inside Diameter: 0.2 in
    • Length: 10.5 in
    • OE Part Number: 12604711, 12559091
    • Outside Diameter: 0.29 in
    • Package Contents: Coolant Bypass Tube
    • UPC: 885484375048
    • Width: 0.8 in
    • Part Description: 2003 GMC Sierra 1500 HD Engine Coolant Crossover Pipe
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $50.74
  • Gates Safety Stripe Hvac Heater Hose for 2003 GMC Sierra 1500 HD - 28411

    Gates® Safety Stripe Hvac Heater Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 28411
    Product Specifications
    • Notes: Cut to Length, 33"
    • Centerline Length: 50 ft
    • End 1 Inside Diameter: .625 in
    • End 2 Inside Diameter: .625 in
    • Material: EPDM
    • OE Part Number: 8990
    • UPC: 072053066319
    • Weight Per Length: 11.70 lbs./Carton
    • Working Pressure: 60 PSI
    • Part Description: 2003 GMC Sierra 1500 HD Safety Stripe Hvac Heater Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $55.34
  • Dorman Hvac Heater Hose Assembly for 2003 GMC Sierra 1500 HD - 626-538

    Dorman® Hvac Heater Hose Assembly for 2003 GMC Sierra 1500 HD

    PartNumber: 626-538
    Product Specifications
    • Notes: Radiator Surge Tank Hose; w/Auxiliary Heater
    • Branch Quantity: 3
    • Color/Finish: Natural/No Finish
    • Contains Spring: No
    • Coolant Hose Heat Shield Included: No Heat Shield Required
    • Coolant Hose Length: 32"
    • Coolant Hose Material: Aluminum and Rubber
    • Coolant Hose Protective Sleeve Included: Not Required
    • Coolant Hose Type: Branched
    • End 1 Attachment Type: Hose
    • End 2 Attachment Type: Hose
    • End 3 Attachment Type: Quick Connect
    • Grade Type: Regular
    • Hose End (1) Inside Diameter (In): 0.72"
    • Hose End (1) Outside Diameter (In): 1.05"
    • Hose End (2) Inside Diameter (In): 1.05"
    • Hose End (2) Outside Diameter (In): 1.34"
    • Hose End (3) Inside Diameter (In): 0.62"
    • Hose End (3) Outside Diameter (In): 1.06"
    • Hose Shape: Molded Assembly
    • Maximum Working Pressure (psi): 100 PSI
    • OE Part Number: 15792822
    • Thermostatically Controlled: No
    • UPC: 037495836036
    • With Clamps: Yes
    • Part Description: 2003 GMC Sierra 1500 HD Hvac Heater Hose Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $37.08
  • Gates Hvac Heater Molded Hose for 2003 GMC Sierra 1500 HD - 18622

    Gates® Hvac Heater Molded Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 18622
    Product Specifications
    • Centerline Length (in): 23"
    • Inside Diameter 1 (in): 0.48"
    • Number of Branches: 0
    • UPC: 770075563112
    • Part Description: 2003 GMC Sierra 1500 HD Hvac Heater Molded Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $31.71
  • Dorman Hvac Heater Hose Assembly for 2003 GMC Sierra 1500 HD - 626-557

    Dorman® Hvac Heater Hose Assembly for 2003 GMC Sierra 1500 HD

    PartNumber: 626-557
    Product Specifications
    • Notes: wo/Auxiliary Heater
    • Branch Quantity: 2
    • Color/Finish: Natural/No Finish
    • Contains Spring: No
    • Coolant Hose Heat Shield Included: No Heat Shield Required
    • Coolant Hose Length: 34"
    • Coolant Hose Material: Rubber
    • Coolant Hose Protective Sleeve Included: Not Required
    • Coolant Hose Type: Single I.D. (Inside Diameter)
    • End 1 Attachment Type: Hose
    • End 2 Attachment Type: Quick Disconnect
    • Grade Type: Standard
    • Hose End (1) Inside Diameter (In): 0.99"
    • Hose End (1) Outside Diameter (In): 1.33"
    • Hose End (2) Inside Diameter (In): 1.33"
    • Hose End (2) Outside Diameter (In): 0.62 In.
    • Hose End (3) Inside Diameter (In): 0.9"
    • Hose Shape: Straight
    • Maximum Working Pressure (psi): 100 PSI
    • OE Part Number: 15763368
    • Package Contents: Heater Hose Assembly
    • Thermostatically Controlled: No
    • UPC: 885484595286
    • With Clamps: No
    • Part Description: 2003 GMC Sierra 1500 HD Hvac Heater Hose Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $29.55
  • Gates Hvac Heater Molded Hose for 2003 GMC Sierra 1500 HD - 18623

    Gates® Hvac Heater Molded Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 18623
    Product Specifications
    • Branch Quantity: 0
    • Centerline Length: 4.83 in
    • End 1 Inside Diameter: 6 mm
    • End 2 Inside Diameter: 6 mm
    • Material: EPDM
    • OE Part Number: 74074
    • UPC: 770075566731
    • Part Description: 2003 GMC Sierra 1500 HD Hvac Heater Molded Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $5.51
  • Dorman Hvac Heater Hose Assembly for 2003 GMC Sierra 1500 HD - 626-111

    Dorman® Hvac Heater Hose Assembly for 2003 GMC Sierra 1500 HD

    PartNumber: 626-111
    Product Specifications
    • Notes: Radiator Surge Tank Hose; wo/Auxiliary Heater
    • Color: Natural
    • Coolant Hose Heat Shield Included: No Heat Shield Required
    • Coolant Hose Length: 38"
    • Coolant Hose Material: Rubber/Plastic
    • Coolant Hose Protective Sleeve Included: No Protective Sleeve Required
    • Coolant Hose Type: Branched
    • End 1 Attachment Type: Hose
    • End 2 Attachment Type: Hose
    • End 3 Attachment Type: Hose
    • Hose End (1) Inside Diameter (In): 0.75"
    • Hose End (1) Outside Diameter (In): 0.85"
    • Hose End (2) Inside Diameter (In): 0.75"
    • Hose End (2) Outside Diameter (In): 0.85"
    • Hose End (3) Inside Diameter (In): 0.75"
    • Hose End (3) Outside Diameter (In): 0.85"
    • Maximum Working Pressure (psi): 100
    • OE Part Number: 15792821
    • Package Contents: Heater Hose Assembly
    • SAE Standards: J20
    • Thermostatically Controlled: No
    • UPC: 019495427001
    • With Clamps: Yes
    • Part Description: 2003 GMC Sierra 1500 HD Hvac Heater Hose Assembly
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $31.64
  • Dayco 4 5 Molded Heater Hose for 2003 GMC Sierra 1500 HD - 86504

    Dayco® 4 5 Molded Heater Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 86504
    Product Specifications
    • Notes: Molded
    • Color: Black
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1/4
    • End 1 Outside Diameter: 17/32
    • End 2 Inside Diameter: 1/4
    • End 2 Outside Diameter: 17/32
    • Hose Type: Single I.D. Hose
    • Material: EPDM
    • SAE Specification: SAE J20R3 Class D-1, SAE J1684 Type EC
    • Trunk Height: 4 1/2
    • UPC: 036687843739
    • Part Description: 2003 GMC Sierra 1500 HD 4 5 Molded Heater Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $4.90
  • Dayco Small Id Hvac Heater Hose for 2003 GMC Sierra 1500 HD - 86836

    Dayco® Small Id Hvac Heater Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 86836
    Product Specifications
    • Color: Black
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1/4
    • End 1 Outside Diameter: 17/32
    • End 2 Inside Diameter: 9/32
    • End 2 Outside Diameter: 17/32
    • Hose Type: Single I.D. Hose
    • Material: EPDM
    • SAE Specification: SAE J20R3 Class D-1, SAE J1684 Type EC
    • Trunk Height: 29 1/2
    • UPC: 036687882226
    • Part Description: 2003 GMC Sierra 1500 HD Small Id Hvac Heater Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $16.43
  • Dayco Small Id Hvac Heater Hose for 2003 GMC Sierra 1500 HD - 87959

    Dayco® Small Id Hvac Heater Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 87959
    Product Specifications
    • Notes: Branched
    • Color: Black
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 3/4
    • End 1 Outside Diameter: 1 1/16
    • End 2 Inside Diameter: 1
    • End 2 Outside Diameter: 1 11/32
    • End 3 Inside Diameter: 3/4
    • End 3 Outside Diameter: 3/4
    • Hose Type: Branched Hose
    • Material: EPDM
    • SAE Specification: SAE J20R3 Class D-1, SAE J1684 Type EC
    • Trunk Height: 15 1/2
    • UPC: 036687889225
    • Part Description: 2003 GMC Sierra 1500 HD Small Id Hvac Heater Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $34.45
  • Gates Engine Coolant Molded Bypass Hose for 2003 GMC Sierra 1500 HD - 18126

    Gates® Engine Coolant Molded Bypass Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 18126
    Product Specifications
    • Branch Quantity: 0
    • Centerline Length: 35.78 in
    • End 1 Inside Diameter: 6 mm
    • End 2 Inside Diameter: .3 in
    • Material: EPDM
    • OE Part Number: 31125
    • UPC: 072053559125
    • Part Description: 2003 GMC Sierra 1500 HD Engine Coolant Molded Bypass Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | 8 Cyl 6.0L
    $19.93
  • Dayco Small Id Branched Heater Hose for 2003 GMC Sierra 1500 HD - 88412

    Dayco® Small Id Branched Heater Hose for 2003 GMC Sierra 1500 HD

    PartNumber: 88412
    Product Specifications
    • Notes: Branched
    • Color: Black
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 23/32
    • End 1 Outside Diameter: 1 1/16
    • End 2 Inside Diameter: 1
    • End 2 Outside Diameter: 1 11/32
    • End 3 Inside Diameter: 19/32
    • End 3 Outside Diameter: 1
    • Hose Type: Branched Hose
    • Material: EPDM
    • SAE Specification: SAE J20R3 Class D-1, SAE J1684 Type EC
    • Trunk Height: 12
    • UPC: 036687145383
    • Part Description: 2003 GMC Sierra 1500 HD Small Id Branched Heater Hose
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 HD | All Trims | All Engines
    $32.81