{
    "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
}
2012 Chevrolet Express 3500

2012 Chevrolet Express 3500 Heater Hoses

Refine by:
See All

Shop Catalog

Showing 1 - 15 of 53 results
Display item:
15
30
45
Sort by:
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC15853808
Guaranteed to Fit
$95.99
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.6L enginedesignationname: LGH, Eng. VIN: L, AUX HTR,RR(C36); Except REAR AUXILLIARY A/C(C69), AMBULANCE PKG(YF2); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.6L enginedesignationname: LGH, Eng. VIN: L, AUX HTR,RR(C36); Except REAR AUXILLIARY A/C(C69), AMBULANCE PKG(YF2); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.6L enginedesignationname: LGH, Eng. VIN: L, AUX HTR,RR(C36); Except REAR AUXILLIARY A/C(C69), AMBULANCE PKG(YF2); Auxiliary Heater Inlet and Outlet
Product Details
Material : RubberLength : 64.69 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
Heater Hose - Direct Fit, Sold individually
Part Number: GAT28409
Guaranteed to Fit
$63.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Cut To Length: 9
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.6L Cut To Length: 9
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Cut To Length: 9
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Cut To Length: 9
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Cut To Length: 9
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Cut To Length: 9
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Cut To Length: 9
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.6L Cut To Length: 9
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.6L Cut To Length: 9
Product Details
Location : Radiator To ReservoirLength : 600 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: CTT65004
Guaranteed to Fit
$76.99
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.6L DIESEL, Heater To Valve; 5/8" x 11
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Heater To Auxiliary Heater Pipe-1; Heater To Engine; Without Aux. Heater; Without AC
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.6L DIESEL, Heater To Valve; 5/8" x 11
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Heater To Auxiliary Heater Pipe-1; Heater To Engine; Without Aux. Heater; Without AC
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Heater To Auxiliary Heater Pipe-1; Heater To Engine; Without Aux. Heater; Without AC
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Heater To Auxiliary Heater Pipe-1; Heater To Engine; Without Aux. Heater; Without AC
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Heater To Auxiliary Heater Pipe-1; Heater To Engine; Without Aux. Heater; Without AC
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Heater To Auxiliary Heater Pipe-1; Heater To Engine; Without Aux. Heater; Without AC
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.6L DIESEL, Heater To Valve; 5/8" x 11
Product Details
Notes : 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
Dayco Small I.D. Molded Series Heater Hose - Direct Fit, Sold individually
Part Number: DY87661
Guaranteed to Fit
$34.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Valve To Auxiliary Heater Pipe, with A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Valve To Auxiliary Heater Pipe, with A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Valve To Auxiliary Heater Pipe, with A.C., with Aux. Heater
Product Details
Length : 6 in.Product Fit : Direct FitWarranty : 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 Series
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC15816136
Guaranteed to Fit
$97.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L enginedesignationname: L20, Eng. VIN: A, AUX HVAC PROVISIONS(ENC); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L enginedesignationname: L20, Eng. VIN: A, AUX HVAC PROVISIONS(ENC); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L enginedesignationname: L20, Eng. VIN: A, AUX HVAC PROVISIONS(ENC); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, AUX HVAC PROVISIONS(ENC); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, AUX HVAC PROVISIONS(ENC); Auxiliary Heater Inlet and Outlet
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, AUX HVAC PROVISIONS(ENC); Auxiliary Heater Inlet and Outlet
Product Details
Material : RubberLength : 28.85 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: AC30124
Guaranteed to Fit
$61.99
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Heater To Auxiliary Heater Pipe-1 (Without A.C., With Aux. Heater, Cut To Length, 19 Inch), Heater To Engine (Without A.C., Without Aux. Heater, 22 Inch)
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.6L Heater To Valve (Cut To Length, 11 Inch)
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Heater To Auxiliary Heater Pipe-1 (Without A.C., With Aux. Heater, Cut To Length, 19 Inch), Heater To Engine (Without A.C., Without Aux. Heater, 22 Inch)
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Heater To Auxiliary Heater Pipe-1 (Without A.C., With Aux. Heater, Cut To Length, 19 Inch), Heater To Engine (Without A.C., Without Aux. Heater, 22 Inch)
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Heater To Auxiliary Heater Pipe-1 (Without A.C., With Aux. Heater, Cut To Length, 19 Inch), Heater To Engine (Without A.C., Without Aux. Heater, 22 Inch)
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Heater To Auxiliary Heater Pipe-1 (Without A.C., With Aux. Heater, Cut To Length, 19 Inch), Heater To Engine (Without A.C., Without Aux. Heater, 22 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
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC22819701
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L enginedesignationname: L20, Eng. VIN: A, Heater Inlet
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L enginedesignationname: L20, Eng. VIN: A, Heater Inlet
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L enginedesignationname: L20, Eng. VIN: A, Heater Inlet
Product Details
Material : RubberLength : 20.47 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
Dayco Standard Series Heater Hose - Black, EPDM Rubber, Single I.D. hose, Direct Fit, Sold individually
Part Number: DY80271
Guaranteed to Fit
$34.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Heater Outlet To Connector, without A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Heater Outlet To Connector, without A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Heater Outlet To Connector, without A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Heater Outlet To Connector, without A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Heater Outlet To Connector, without A.C., with Aux. Heater
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Heater Outlet To Connector, without A.C., with Aux. Heater
Product Details
Material : EPDM RubberColor Finish : BlackHose End A Diameter : 0.63 in.Hose End B Diameter : 0.63 in.Length : 50 in.Product Fit : Direct FitWarranty : 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 Standard SeriesType : Single I.D. hose
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC22769191
Guaranteed to Fit
$10.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, HEAVY DUTY HEATER(C42); Except AUX HTR,RR(C36); HEATER UPPER; A/C MANUAL CONTROLS(C60); Except REAR AUXILLIARY A/C(C69); HEATER UPPER, Heater Outlet
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, HEAVY DUTY HEATER(C42); Except AUX HTR,RR(C36); HEATER UPPER; A/C MANUAL CONTROLS(C60); Except REAR AUXILLIARY A/C(C69); HEATER UPPER, Heater Outlet
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, HEAVY DUTY HEATER(C42); Except AUX HTR,RR(C36); HEATER UPPER; A/C MANUAL CONTROLS(C60); Except REAR AUXILLIARY A/C(C69); HEATER UPPER, Heater Outlet
Product Details
Material : RubberLength : 7.48 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 - Direct Fit, Sold individually
Part Number: AC16222M
Guaranteed to Fit
$42.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Engine To Heater (Without A.C., Without Aux. Heater)
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Engine To Heater (Without A.C., Without Aux. Heater)
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Engine To Heater (Without A.C., Without Aux. Heater)
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Engine To Heater (Without A.C., Without Aux. Heater)
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Engine To Heater (Without A.C., Without Aux. Heater)
Product Details
Notes : Molded hoseProduct Fit : Direct FitReplaces OE Number : 88920658Warranty : 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
GM Original Equipment Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC22769189
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L enginedesignationname: LC8, Eng. VIN: B, HEAVY DUTY HEATER(C42); Except AUX HTR,RR(C36); HEATER LOWER; A/C MANUAL CONTROLS(C60); Except REAR AUXILLIARY A/C(C69); HEATER LOWER, Heater Inlet
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, HEAVY DUTY HEATER(C42); Except AUX HTR,RR(C36); HEATER LOWER; A/C MANUAL CONTROLS(C60); Except REAR AUXILLIARY A/C(C69); HEATER LOWER, Heater Inlet
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L enginedesignationname: L96, Eng. VIN: G, HEAVY DUTY HEATER(C42); Except AUX HTR,RR(C36); HEATER LOWER; A/C MANUAL CONTROLS(C60); Except REAR AUXILLIARY A/C(C69); HEATER LOWER, Heater Inlet
Product Details
Material : RubberLength : 6.18 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: AC14243S
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Heater To Valve (Cut To Fit)
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Heater To Valve (Cut To Fit)
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Heater To Valve (Cut To Fit)
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Heater To Valve (Cut To Fit)
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Heater To Valve (Cut To Fit)
Product Details
Notes : 90 degree molded hose; Protective sleeve requiredProduct Fit : Trim to fitReplaces OE Number : 88907240Warranty : 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 Series
Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: CTT63806
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Heater To Valve; Cut to Fit
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Heater To Valve; Cut to Fit
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Heater To Valve; Cut to Fit
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Heater To Valve; Cut to Fit
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Heater To Valve; Cut to Fit
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Heater To Valve; Cut to Fit
Product Details
Notes : 0.62 in. End 2 Hose ID; 0.63 in. Hose 1 IDMaterial : RubberLength : 10 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: DY87881
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Valve To Engine, without Aux. Heater
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Valve To Engine, without Aux. Heater
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Valve To Engine, without Aux. Heater
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Valve To Engine, without Aux. Heater
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Valve To Engine, without Aux. Heater
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Valve To Engine, without Aux. Heater
Product Details
Material : EPDM RubberColor Finish : BlackHose End A Diameter : 0.63 in.Hose End B Diameter : 0.63 in.Length : 13.5 in.Product Fit : Direct FitWarranty : 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
Heater Hose - Natural, Rubber, Direct Fit, Sold individually
Part Number: GAT19749
Guaranteed to Fit
$11.99
Vehicle Fitment
  • 2012 Chevrolet Express 3500 LS 8 Cyl 4.8L Cut to fit
  • 2012 Chevrolet Express 3500 Base 8 Cyl 4.8L Cut to fit
  • 2012 Chevrolet Express 3500 LT 8 Cyl 4.8L Cut to fit
  • 2012 Chevrolet Express 3500 Base 8 Cyl 6.0L Cut to fit
  • 2012 Chevrolet Express 3500 LT 8 Cyl 6.0L Cut to fit
  • 2012 Chevrolet Express 3500 LS 8 Cyl 6.0L Cut to fit
Product Details
Location : Valve To HeaterMaterial : RubberColor Finish : NaturalLength : 8.4 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.

Page 1 of 4 | Showing 1 - 15 of 53 results

Popular Products

Helpful Automotive Resources

Heating System Parts
Heating System PartsThe blower motor is a fan that forces air through either the heating or the cooling unit of the HVAC system. If you’re running the heater, the motor blows air over the heater core. The warmed air enters the passenger cabin, raising the temperature and fighting off the cold.
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