HomeHVAC > Hoses and PipesGates 18883 HVAC Heater Hose - Heater To Pipe or Valve To Engine
Part #: 18883

Gates 18883 HVAC Heater Hose - Heater To Pipe or Valve To Engine

Molded Heater Hose, Heater To Pipe
⚙️ 34 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Heater To Pipe
🚗Fitment: Chevrolet, GMC, Oldsmobile, and Geo, S10 Blazer, Jimmy, S10, Sonoma, Caprice, Commercial Chassis, Bravada, Prizm, S15 Jimmy, and S15
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Overview of Gates Molded Heater Hose 18883

The Gates Molded Heater Hose 18883 is designed for reliable HVAC system performance in select Chevrolet, Geo, GMC, and Oldsmobile vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long service life in automotive heating applications.

  • Constructed from high-quality EPDM rubber for heat and ozone resistance
  • Molded design for precise fit and leak prevention
  • Centerline length of 19.9 inches (505 mm) for accurate replacement
  • Inside diameter of 0.62 inches (16 mm) on both ends
  • No quick connect fittings or branches, simplifying installation

Detailed Product Description

The Gates Molded Heater Hose 18883 belongs to the Molded Heater Hose product line, which focuses on delivering pre-formed hoses that match original equipment specifications. This hose is molded to exact dimensions, providing a secure and leak-free connection within the HVAC system. Made from EPDM, it offers resistance to heat, coolant chemicals, and environmental factors, making it suitable for extended use in heating circuits.

With a centerline length of 19.9 inches (505 mm) and an inside diameter of 0.62 inches (16 mm) on both ends, this hose is designed to fit HVAC systems in Chevrolet Bravada, Caprice, Commercial Chassis, Jimmy, S10, S10 Blazer, S15, S15 Jimmy, Sonoma, as well as Geo Prizm and GMC Jimmy models. The molded construction eliminates the need for additional fittings, reducing potential leak points and installation complexity.

Applications and Common Issues Addressed

  • Replacement of cracked or leaking heater hoses in Chevrolet S10 and GMC Jimmy HVAC systems
  • Resolving coolant leaks that cause insufficient cabin heating in Geo Prizm and Oldsmobile Caprice
  • Addressing hose deterioration due to heat and chemical exposure in Chevrolet Bravada and S15 models
  • Restoring proper coolant flow in HVAC heater cores for improved vehicle comfort
  • Eliminating hose collapse or blockage that restricts heater performance

Installation Notes and Tips

  • Ensure the engine is cool before removing the old heater hose to prevent burns
  • Verify hose routing matches original equipment to avoid kinks or interference
  • Use appropriate clamps to secure the molded heater hose ends firmly
  • Inspect surrounding components for wear or damage during installation
  • Check for leaks after installation by running the engine and monitoring the hose connections

Quality Assurance and Warranty

The Gates Molded Heater Hose 18883 is manufactured to meet or exceed OEM standards for durability and performance. Constructed from EPDM material, it provides resistance to heat, ozone, and coolant chemicals, ensuring reliable operation in automotive HVAC systems. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.

BrandGates
Part Number18883
PositionMolded Heater Hose, Heater To Pipe
0
Yes
Branch Quantity0
Centerline Length19.9
Centerline Length505
Centerline Length (in)19.9
Centerline Length (mm)505
End 1 Inside Diameter.62
End 1 Inside Diameter16
End 2 Inside Diameter.62
End 2 Inside Diameter16
MaterialEPDM
MoldedYes
Number of Quick Connect Fittings0

This part fits 34 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersFuel TypePositionNotes
1994ChevroletS10 BlazerManual4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1994GMCJimmyManual4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1993ChevroletS104.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1993ChevroletS10 Blazer4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1993GMCJimmy4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1993GMCSonoma4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1992ChevroletCaprice4.3LV6GASHeater To PipeMolded Heater Hose
1992ChevroletCommercial Chassis4.3LV6GASHeater To PipeMolded Heater Hose
1992ChevroletS104.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1992ChevroletS10 Blazer4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1992GMCJimmy4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1992GMCSonoma4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1992OldsmobileBravada4.3LV6GASHeater To PipeMolded Heater Hose
1991ChevroletS104.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1991ChevroletS10 Blazer4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1991GeoPrizmGSi1.6LL4GASValve To EngineMolded Heater Hose
1991GMCS15 Jimmy4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1991GMCSonoma4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1991OldsmobileBravada4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1990ChevroletCaprice4.3LV6GASHeater To PipeMolded Heater Hose
1990ChevroletS104.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1990ChevroletS10 Blazer4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1990GeoPrizmGSi1.6LL4GASValve To EngineMolded Heater Hose
1990GMCS154.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1990GMCS15 Jimmy4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1989ChevroletCaprice4.3LV6GASHeater To PipeMolded Heater Hose
1989ChevroletS104.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1989ChevroletS10 Blazer4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1989GMCS154.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1989GMCS15 Jimmy4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1988ChevroletS104.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1988ChevroletS10 Blazer4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1988GMCS154.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose
1988GMCS15 Jimmy4.3LV6GASHeater To PipeHVAC heater hose with A/C, fits Serpentine Belt application.; Molded 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:

1088315568109156425061568920516093M18883631058602187705D87705

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