{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2003 Hummer H2

2003 Hummer H2 Heater Hoses

Refine by:

Shop Catalog

Showing 1 - 15 of 15 results
Sort by:
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC15763368
Guaranteed to Fit
$39.99
Vehicle Fitment
  • 2003 Hummer H2 All Submodels All Engines
Product Details
Location : Heater InletMaterial : RubberLength : 27.49 in.Product Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesRecommended Use : OE Replacement
Professional Series Heater Hose - Trim to fit, Sold individually
Part Number: AC18221L
Guaranteed to Fit
$36.99
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Truck
Product Details
Notes : Molded hoseProduct Fit : Trim to fitReplaces OE Number : 88920846Warranty : Lifetime AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional Series
Professional Series Heater Hose - Trim to fit, Sold individually
Part Number: AC30121
Guaranteed to Fit
$43.99
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Truck, Throttle Body To Engine
Product Details
Notes : Straight hose; Protective sleeve requiredProduct Fit : Trim to fitWarranty : Lifetime AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional Series
Professional Series Heater Hose - Direct Fit, Sold individually
Part Number: AC26390X
Guaranteed to Fit
$29.49
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Truck
Product Details
Notes : Molded hoseProduct Fit : Direct FitReplaces OE Number : 88920361Warranty : Lifetime AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional Series
Professional Series Heater Hose - Trim to fit, Sold individually
Part Number: AC30124
Guaranteed to Fit
$63.99
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Heater To Thermostat (Cut To Length, 33 Inch)
Product Details
Notes : Straight hose; Protective sleeve required; 5/8 in x 50ft Product Fit : Trim to fitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional SeriesInterchange Part Number : F00502301, 28411
Professional Series Heater Hose - Black, Rubber, Direct Fit, Sold individually
Part Number: AC14754S
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L
Product Details
Location : Throttle Body To EngineMaterial : RubberColor Finish : BlackHose End A Diameter : 0.25 in.Length : 4.8 in.Product Fit : Direct FitReplaces OE Number : 88873611Warranty : Lifetime AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional Series
Dayco Small I.D. Molded Series Heater Hose - Direct Fit, Sold individually
Part Number: DY87848
Guaranteed to Fit
$22.49
Vehicle Fitment
  • 2003 Hummer H2 All Submodels All Engines Heater To Thermostat
Product Details
Length : 28 in.Product Fit : Direct FitQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Dayco Small I.D. Molded Series
Heater Hose - EPDM Rubber, Molded, Direct Fit, Sold individually
Part Number: GAT18130
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Radiator To Throttle Body
Product Details
Material : EPDM RubberLength : 31 in.Product Fit : Direct FitWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Type : MoldedRecommended Use : OE Replacement
Professional Series Heater Hose - Trim to fit, Sold individually
Part Number: AC18074L
Guaranteed to Fit
$29.49
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Truck
Product Details
Notes : Molded hoseProduct Fit : Trim to fitReplaces OE Number : 88907514Warranty : Lifetime AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Professional Series
Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: CTT62939
Guaranteed to Fit
$104.49
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Heater Inlet
Product Details
Notes : 0.62 in. End 2 Hose ID; 0.62 in. Hose 1 IDMaterial : RubberLength : 34 in.Product Fit : Direct FitWarranty : 5 Year Continental Limited WarrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsRecommended Use : OE Replacement
Dayco Small I.D. Molded Series Heater Hose - Black, EPDM Rubber, Single I.D. hose, Direct Fit, Sold individually
Part Number: DY86504
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 2003 Hummer H2 All Submodels All Engines Throttle Body To Engine
Product Details
Material : EPDM RubberColor Finish : BlackHose End A Diameter : 0.25 in.Hose End B Diameter : 0.25 in.Length : 4.5 in.Product Fit : Direct FitReplaces OE Number : 12570528Warranty : 1 year or 12,000-mile Dayco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Dayco Small I.D. Molded SeriesType : Single I.D. hose
OE Solutions Series Heater Hose - Natural, Rubber, Single I.D. hose, Direct Fit, Sold individually
Part Number: RB626557
Guaranteed to Fit
$34.99
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Without Auxiliary Heater
Product Details
Location : InletNotes : (2) Branch Quantity; 100 PSI Maximum Working Pressure; 0.99 in. Hose End 1 Inside Diameter; 1.33 in. Hose End 1 Outside Diameter; 1.33 in. Hose End 2 Inside Diameter; 0.62 in. Hose End 2 Outside Diameter; Hose End 1 Attachment Type; Quick Disconnect End 2 Attachment Type; Straight Hose ShapeMaterial : RubberColor Finish : NaturalLength : 34 in.Product Fit : Direct FitReplaces OE Number : 62939, 15763368, SK626557Warranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementSeries : OE Solutions SeriesType : Single I.D. hoseInterchange Part Number : RC19220008, 62939, 15763368, SK626557
Heater Hose - Black, Rubber, Direct Fit, Sold individually
Part Number: GAT22554
Guaranteed to Fit
$31.99
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Thermostat To Heater
Product Details
Material : RubberColor Finish : BlackLength : 19.1 in.Product Fit : Direct FitWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : RC50150005
Heater Hose - EPDM Rubber, Direct Fit, Sold individually
Part Number: GAT18623
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Throttle Body To Engine
Product Details
Material : EPDM RubberLength : 4.8 in.Product Fit : Direct FitWarranty : Lifetime Gates limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: CTT62852
Guaranteed to Fit
$55.49
Vehicle Fitment
  • 2003 Hummer H2 Base 8 Cyl 6.0L Thermostat To Heater; Cut to Fit
Product Details
Notes : 1 in. End 2 Hose ID; 0.75 in. Hose 1 IDMaterial : RubberLength : 24.25 in.Product Fit : Direct FitWarranty : 5 Year Continental Limited WarrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 15 of 15 results

Top Rated Products

The part was fairly priced, I had it in three days, and it fits perfectly
Joe Z.
VERIFIED PURCHASER

Popular Products

Helpful Automotive Resources

Heating System Parts
Heating System Parts Pro Tip: The heater core can clog internally with rust or externally with dust and leaves.
Main Components of Your Cooling System
Main Components of Your Cooling System4. HEAD GASKET /TIMING COVER GASKET: Seals the major parts of the engine. Prevents oil, anti-freeze and cylinder pressure from mixing together.
A Short Course on Cooling Systems
A Short Course on Cooling SystemsToday’s cooling system must maintain the engine at a constant temperature whether the outside air temperature is 110 degrees Fahrenheit or 10 below zero. If the engine temperature is too low, fuel economy will suffer and emissions will rise. If the temperature is allowed to get too hot for too
Heater Hose Replacement Tips To Consider
Heater Hose Replacement Tips To ConsiderLet your engine cool down before working on it. It’s best to do the work when the engine is completely cold, after it has been sitting for hours. Locate the Heater Hoses Heater hoses are always connected to the heater core. See diagram for the location. | Image Source: Richard McCuistian Remove the