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Part #: 88441

Dayco 88441 HVAC Heater Hose

Small I.D. Heater Hose, Radiator To Valve, Radiator To Reservoir, Lower, and Reservoir To Radiator
⚙️ 42 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Small I.D. Heater Hose, Radiator To Valve, Radiator To Reservoir, Lower, and Reservoir To Radiator
🚗Fitment: Cadillac, Chevrolet, Oldsmobile, and Pontiac, Alero, CTS, Grand Am, and Malibu
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Overview of Dayco Small I.D. Heater Hose 88441

The Dayco Small I.D. Heater Hose 88441 is designed to provide reliable performance in HVAC systems for select GM vehicles. Engineered with durable EPDM material, this black heater hose ensures consistent heat transfer and resistance to automotive fluids.

  • Constructed from EPDM for heat and chemical resistance
  • Black color for standard OEM appearance
  • 3/4 inch inside diameter on both ends
  • Outside diameter of 1 3/32 inches on both ends
  • Single I.D. hose type compliant with SAE J20R3 Class D-1 and SAE J1684 Type EC standards
  • Trunk height dimension of 12 inches

Detailed Product Description

This Dayco Small I.D. Heater Hose 88441 is manufactured to meet strict SAE specifications, including SAE J20R3 Class D-1 and SAE J1684 Type EC, ensuring compatibility with heating and cooling systems in vehicles. The EPDM material offers excellent resistance to heat, ozone, and coolant chemicals, making it suitable for continuous operation in HVAC heater circuits. Both ends of the hose have a consistent 3/4 inch inside diameter and 1 3/32 inch outside diameter, providing a secure fit for OEM-style connections. The hose does not include a heat shield or protective sleeve, which is typical for this type of single I.D. hose.

About the Small I.D. Heater Hose Product Line

The Dayco Small I.D. Heater Hose line focuses on delivering precise fitment and material quality for HVAC applications requiring smaller inside diameter hoses. This product line is engineered to meet OEM standards for durability and performance, making it suitable for replacement in various GM models. The 88441 part number is a representative example within this line, designed to maintain system integrity and efficient heat transfer.

Compatible Vehicles and Common Applications

  • Cadillac CTS heater hose replacement
  • Chevrolet Malibu HVAC hose repair
  • Oldsmobile Alero heater hose maintenance
  • Pontiac Grand Am heating system component

Installation Notes and Tips

  • Ensure the hose diameter matches the OEM specifications (3/4 inch I.D.) for proper fit
  • Inspect hose ends and clamps for wear before installation
  • Verify hose routing to avoid kinks or contact with moving parts
  • Replace any damaged or brittle hoses to prevent leaks

Quality Assurance

Dayco manufactures the Small I.D. Heater Hose 88441 to meet SAE standards, ensuring reliable performance in automotive HVAC systems. While no specific warranty information is provided, Dayco products are generally produced under strict quality control processes to maintain durability and fitment accuracy.

BrandDayco
Part Number88441
PositionSmall I.D. Heater Hose, Radiator To Valve, Radiator To Reservoir, Lower, and Reservoir To Radiator
MaterialEpdm
ColorBlack
End 1 Inside Diameter3/4
End 2 Inside Diameter3/4
Contains Heat ShieldN
Contains Protective SleeveN
End 1 Outside Diameter1 3/32
End 2 Outside Diameter1 3/32
Hose TypeSingle i.d. hose
SAE SpecificationSae j20r3 class d-1, sae j1684 type ec
Trunk Height12

This part fits 42 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2005PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
2004CadillacCTS3.2LV6Radiator To Valvew/A.C., w/o Aux. Heater; Small I.D. Heater Hose
2004OldsmobileAlero3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2004OldsmobileAlero3.4LV6LowerSmall I.D. Heater Hose
2004PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2004PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
2003CadillacCTSRadiator To Valvew/A.C., w/o Aux. Heater; Small I.D. Heater Hose
2003ChevroletMalibuRadiator To ReservoirSmall I.D. Heater Hose
2003ChevroletMalibuLowerSmall I.D. Heater Hose
2003OldsmobileAlero3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2003OldsmobileAlero3.4LV6LowerSmall I.D. Heater Hose
2003PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2003PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
2002ChevroletMalibuRadiator To ReservoirSmall I.D. Heater Hose
2002ChevroletMalibuLowerSmall I.D. Heater Hose
2002OldsmobileAlero3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2002OldsmobileAlero3.4LV6LowerSmall I.D. Heater Hose
2002PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2002PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
2001ChevroletMalibuRadiator To ReservoirSmall I.D. Heater Hose
2001ChevroletMalibuLowerSmall I.D. Heater Hose
2001OldsmobileAlero3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2001OldsmobileAlero3.4LV6LowerSmall I.D. Heater Hose
2001PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2001PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
2000ChevroletMalibuRadiator To ReservoirSmall I.D. Heater Hose
2000ChevroletMalibuLowerSmall I.D. Heater Hose
2000OldsmobileAlero3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2000OldsmobileAlero3.4LV6LowerSmall I.D. Heater Hose
2000PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
2000PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
1999ChevroletMalibu3.1LV6Radiator To ReservoirSmall I.D. Heater Hose
1999ChevroletMalibu3.1LV6LowerSmall I.D. Heater Hose
1999OldsmobileAlero3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
1999OldsmobileAlero3.4LV6LowerSmall I.D. Heater Hose
1999PontiacGrand Am3.4LV6Radiator To ReservoirSmall I.D. Heater Hose
1999PontiacGrand Am3.4LV6LowerSmall I.D. Heater Hose
1998ChevroletMalibu3.1LV6Reservoir To RadiatorSmall I.D. Heater Hose
1998ChevroletMalibu3.1LV6LowerSmall I.D. Heater Hose
1997ChevroletMalibu3.1LV6Reservoir To RadiatorSmall I.D. Heater Hose
1997ChevroletMalibu3.1LV6LowerSmall I.D. Heater Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

16221M

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.