{
    "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 GMC Yukon

2003 GMC Yukon Heater Hoses

Refine by:

Shop Catalog

Showing 1 - 15 of 32 results
Display item:
15
30
45
Sort by:
Heater Hose, Heater Outlet
Part Number: RC50150005
Guaranteed to Fit
$28.49
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Heater Outlet
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Heater Outlet
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Heater Outlet
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Heater Outlet
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Heater Outlet
Product Details
Product Fit : Direct FitReplaces OE Number : 15834773Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

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

Overall Length : 31 in.Interchange Part Number : 88412, 626553, 22554, 15834773Recommended Use : OE ReplacementReturns Policy : 30-Day Return Policy
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC15763368
Guaranteed to Fit
$39.99
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Eng. VIN: V, Except AUX HTR, RR(C36)
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Eng. VIN: V, Except AUX HTR, RR(C36)
  • 2003 GMC Yukon SLT 8 Cyl 5.3L enginedesignationname: LM7, Eng. VIN: T, Except AUX HTR, RR(C36)
  • 2003 GMC Yukon SLE 8 Cyl 5.3L enginedesignationname: L59, Eng. VIN: Z, Except AUX HTR, RR(C36)
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 GMC Yukon SLE 8 Cyl 4.8L Truck
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Truck
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Truck
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Truck
  • 2003 GMC Yukon Denali 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
Dayco Molded Series Heater Hose - Direct Fit, Sold individually
Part Number: DY88412
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Heater Outlet
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Heater Outlet
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Heater Outlet
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Heater Outlet
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Heater Outlet
Product Details
Length : 12 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 Molded SeriesInterchange Part Number : RC50150005, 22554
OE Solutions Series Heater Hose - Natural, Rubber and plastic, Direct Fit, Sold individually
Part Number: RB626111
Guaranteed to Fit
$37.99
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Radiator Surge Tank Hose; Without Auxiliary Heater
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Radiator Surge Tank Hose; Without Auxiliary Heater
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Radiator Surge Tank Hose; Without Auxiliary Heater
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Radiator Surge Tank Hose; Without Auxiliary Heater
Product Details
Location : OutletMaterial : Rubber and plasticColor Finish : NaturalLength : 38 in.Product Fit : Direct FitReplaces OE Number : 22554, 18221L, 88412, 15792821Warranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Carbon Black, 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 : OE Solutions SeriesInterchange Part Number : 22554, 18221L, 88412, 15792821
OE Solutions Series Heater Hose - Black, Aluminum and rubber, Branched, Direct Fit, Sold individually
Part Number: RB626538
Guaranteed to Fit
$43.99
Vehicle Fitment
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Radiator Surge Tank Hose; With Auxiliary Heater
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Radiator Surge Tank Hose; With Auxiliary Heater
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Radiator Surge Tank Hose; With Auxiliary Heater
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Radiator Surge Tank Hose; With Auxiliary Heater
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Radiator Surge Tank Hose; With Auxiliary Heater
Product Details
Location : OutletNotes : 0.62 in. ID and 1.06 in. OD Quick Disconnect Hose End 3; Hose End 1 and 2 Attachment Type; 100 PSI Maximum Working; Included Clamps; Molded Assembly HoseMaterial : Aluminum and RubberColor Finish : BlackHose End A Diameter : 0.72 in. ID; 1.05 in. ODHose End B Diameter : 1.05 in. ID; 1.34 in. ODLength : 32 in.Product Fit : Direct FitReplaces OE Number : 15792822Warranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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 : BranchedInterchange Part Number : 15792822
Professional Series Heater Hose - Trim to fit, Sold individually
Part Number: AC30121
Guaranteed to Fit
$43.49
Vehicle Fitment
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Truck, Throttle Body To Engine
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Truck, Throttle Body To Engine
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Truck, Throttle Body To Engine
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Truck, Throttle Body To Engine
  • 2003 GMC Yukon SLT 8 Cyl 4.8L 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
Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: CTT65004
Guaranteed to Fit
$76.99
Vehicle Fitment
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Heater To Water Pump; Tee To Reservoir
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Heater To Water Pump; Tee To Reservoir
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Heater To Water Pump; Tee To Reservoir
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Heater To Water Pump; Tee To Reservoir
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Heater To Water Pump; Tee To Reservoir
Product Details
Location : Cut to FitNotes : 0.63 in. End 2 Hose ID; 0.63 in. Hose 1 IDMaterial : RubberLength : 600 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
Professional Series Heater Hose - Direct Fit, Sold individually
Part Number: AC26390X
Guaranteed to Fit
$29.49
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Truck
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Truck
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Truck
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Truck
  • 2003 GMC Yukon SLT 8 Cyl 5.3L 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
Dayco 90 Degree Molded Series Heater Hose - Direct Fit, Sold individually
Part Number: DY80405
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Heater Hose
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Heater Hose
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Heater Hose
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Heater Hose
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Heater Hose
Product Details
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 90 Degree Molded Series
Professional Series Heater Hose - Trim to fit, Sold individually
Part Number: AC18206L
Guaranteed to Fit
$29.99
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Truck
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Truck
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Truck
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Truck
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Truck
Product Details
Notes : Molded hoseProduct Fit : Trim to fitReplaces OE Number : 88920831Warranty : 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
$63.49
Vehicle Fitment
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Thermostat To Heater (Cut To Length, 33 Inch)
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Thermostat To Heater (Cut To Length, 33 Inch)
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Thermostat To Heater (Cut To Length, 33 Inch)
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Thermostat To Heater (Cut To Length, 33 Inch)
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Thermostat To Heater (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
Heater Hose - EPDM Rubber, Direct Fit, Sold individually
Part Number: GAT18622
Guaranteed to Fit
$34.49
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Radiator To Reservoir
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Radiator To Reservoir
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Radiator To Reservoir
Product Details
Material : EPDM RubberLength : 23 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.

Professional Series Heater Hose - Direct Fit, Sold individually
Part Number: AC24403L
Guaranteed to Fit
$26.99
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L Truck
  • 2003 GMC Yukon SLE 8 Cyl 5.3L Truck
  • 2003 GMC Yukon SLT 8 Cyl 5.3L Truck
  • 2003 GMC Yukon SLT 8 Cyl 4.8L Truck
  • 2003 GMC Yukon Denali 8 Cyl 6.0L Truck
Product Details
Location : LowerNotes : Molded hoseProduct Fit : Direct FitReplaces OE Number : 88908692Warranty : 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 - Black, Rubber, Direct Fit, Sold individually
Part Number: AC14754S
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 2003 GMC Yukon SLE 8 Cyl 4.8L
  • 2003 GMC Yukon SLT 8 Cyl 4.8L
  • 2003 GMC Yukon SLE 8 Cyl 5.3L
  • 2003 GMC Yukon Denali 8 Cyl 6.0L
  • 2003 GMC Yukon SLT 8 Cyl 5.3L
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
Page 1 of 3 | Showing 1 - 15 of 32 results

Top Rated Products

The firewall hose fitting did not match up with the pipe on my 2005 H2. I gave it 3 sSee More
Robert W.
VERIFIED PURCHASER
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