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Replacement and OEM Parts for 2003 GMC Sierra 1500 Heater Core

2003 GMC Sierra 1500 Heater Core

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2003 GMC Sierra 1500
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  • OEM 2003 GMC Sierra 1500 Heater Core Diagram - 89018297
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    OEM (Genuine) 2003 GMC Sierra 1500 Heater Core

    PartNumber: 89018297
    OEM 2003 GMC Sierra 1500 Heater Core - 89018297
    Product Specifications
    • Notes: 2003-07, W/O Center Console
    • Other Names: Heater Core
    • Item Dimensions: 20.2 x 16.7 x 9.0 inches
    • Item Weight: 4.00 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 52473326, 52473322
    • Part Description: 2003 GMC Sierra 1500 Heater Core
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L ELECTRIC/FLEX, 8 Cyl 6.0 L ELECTRIC/GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
    $164.70 MSRP: $310.78
    You Save: $146.08 (48%)
  • OEM 2003 GMC Sierra 1500 Heater Core Diagram - 19258989
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    OEM (Genuine) 2003 GMC Sierra 1500 Heater Core

    PartNumber: 19258989
    OEM 2003 GMC Sierra 1500 Heater Core - 19258989
    Product Specifications
    • Notes: 2003-07, W/Center Console
    • Other Names: Heater Core
    • Item Dimensions: 14.4 x 13.9 x 6.9 inches
    • Item Weight: 2.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 88986627
    • Part Description: 2003 GMC Sierra 1500 Heater Core
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | Base, Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L ELECTRIC/GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
    $147.33 MSRP: $278.00
    You Save: $130.67 (48%)
  • Spectra Premium HVAC Heater Core for 2003 GMC Sierra 1500 - 99374

    Spectra Premium® HVAC Heater Core for 2003 GMC Sierra 1500

    PartNumber: 99374
    Product Specifications
    • Notes: w/RPO Code CJ3/D07 Combination Only (HVAC; Manual Temp Control/Custom Front Floor Console)
    • Depth: 1.625
    • Inlet Size (in): 0.75
    • Internet Product Code (IPC): F39383DE255
    • Item has MSDS (SDS): N
    • Material: Aluminum
    • MFG Brand Name: Spectra Premium
    • MFG Model # (Series): 00671607619270
    • MFG Name: Spectra Premium Industries
    • Outlet Size (in): 0.75
    • Package Contents: 1 x Heater 1 x Installation Sheet
    • Supplier Company Name: Spectra Premium Industries
    • UPC: 671607619270
    • Width: 7.4375
    • Part Description: 2003 GMC Sierra 1500 HVAC Heater Core
    More Info
    Vehicle Fitment
    • 2003 GMC Sierra 1500 | All Trims | All Engines