{
    "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
}
2004 Mercury Grand Marquis

2004 Mercury Grand Marquis Heater Hoses

Refine by:

Shop Catalog

Showing 1 - 12 of 12 results
Sort by:
Dayco Small I.D. Molded Series Heater Hose - Direct Fit, Sold individually
Part Number: DY86099
Guaranteed to Fit
$24.99
Vehicle Fitment
  • 2004 Mercury Grand Marquis All Submodels All Engines Heater To Pipe
Product Details
Length : 9 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
Motorcraft OE Replacement Heater Hose - Direct Fit, Sold individually
Part Number: MIKH428
Guaranteed to Fit
$41.99
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Inlet; Supply Line
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Inlet; Supply Line
Product Details
Product Fit : Direct FitReplaces OE Number : 18472BWarranty : 2-year or unlimited-mile Motorcraft 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 : Motorcraft OE Replacement
Heater Hose - Black, Rubber, Direct Fit, Sold individually
Part Number: GAT19632
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Heater To Engine
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Heater To Engine
Product Details
Material : RubberColor Finish : BlackLength : 21.7 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
Part Number: GAT18069
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L
Product Details
Location : Heater To PipeLength : 10.6 in.
Professional Series Heater Hose - Discharge and suction, Trim to fit, Sold individually
Part Number: AC16155M
Guaranteed to Fit
$17.99
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Car
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Car
Product Details
Notes : Molded hoseProduct Fit : Trim to fitReplaces OE Number : 88907395Warranty : 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 SeriesType : Discharge and suction
Motorcraft OE Replacement Heater Hose - Direct Fit, Sold individually
Part Number: MIKH275
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Inlet, Supply
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Inlet, Supply
Product Details
Product Fit : Direct FitReplaces OE Number : 18472Warranty : 2-year or unlimited-mile Motorcraft 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 : Motorcraft OE Replacement
Heater Hose - Steel, Direct Fit, Sold individually
Part Number: GATHHA133
Guaranteed to Fit
$34.49
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L GAS, Heater Return Pipe
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L GAS, Heater Return Pipe
Product Details
Notes : MoldedMaterial : SteelLength : 33.375 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.

Recommended Use : OE Replacement
Motorcraft OE Replacement Heater Hose - Direct Fit, Sold individually
Part Number: MIKH147
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Heater Core To 18B42, Return, Outlet
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Heater Core To 18B42, Return, Outlet
Product Details
Product Fit : Direct FitReplaces OE Number : 18472Warranty : 2-year or unlimited-mile Motorcraft 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 : Motorcraft OE Replacement
Professional Series Heater Hose - Rubber, Direct Fit, Sold individually
Part Number: AC22453X
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Car, Without Engine Oil Cooler
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Car, Without Engine Oil Cooler
Product Details
Notes : Molded hoseMaterial : RubberProduct Fit : Direct FitReplaces OE Number : 88920424Warranty : 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
OE Solutions Series Heater Hose - Black/Coated, Steel, Direct Fit, Sold individually
Part Number: RB626571
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2004 Mercury Grand Marquis GS 8 Cyl 4.6L Pressed in Block Behind Water Pump
  • 2004 Mercury Grand Marquis LS 8 Cyl 4.6L Pressed in Block Behind Water Pump
Product Details
Notes : HVAC Heater Pipe Coolant Fitting; (2) Branch Quantity; 0.74 in. End 1 OD; 0.61 in. End 2 OD; Female End 1 Type; Male End 2 TypeMaterial : SteelColor Finish : Black/CoatedHose End A Diameter : 0.67 in.Hose End B Diameter : 0.43 in.Product Fit : Direct FitReplaces OE Number : F75Z8555AAWarranty : 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 SeriesInterchange Part Number : F75Z8555AA
Dayco Small I.D. Molded Series Heater Hose - Direct Fit, Sold individually
Part Number: DY88442
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2004 Mercury Grand Marquis All Submodels All Engines Intake Manifold To Heater
Product Details
Length : 9 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
OE Solutions Series Heater Hose - Direct Fit, Sold individually
Part Number: RB626202
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 2004 Mercury Grand Marquis All Submodels All Engines Heater Tube; Return Hose
Product Details
Length : 34 in.Product Fit : Direct FitReplaces OE Number : HHA133, 3W7Z18663BA, 9W7Z18663AWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Bisphenol A, 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 : HHA133, 3W7Z18663BA, 9W7Z18663A
Page 1 of 1 | Showing 1 - 12 of 12 results

Popular Products

Product Questions & Answers

Q:Diameter of hoses?
Richie
A:BEST ANSWERHi Richard, thank you for reaching out. The inside diameter of this hose is 0.75 inches. The length is 9 inches. If your vehicle information matches this product, you can use this link to continue ordering this part at a discounted price today: https://www.carparts.com/heater-hose/dayco/dy88442?can=CPAP3648_CSQA_20240116 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

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