HomeHVAC > Hoses and PipesGates 18710 HVAC Heater Hose
Part #: 18710

Gates 18710 HVAC Heater Hose

Molded Heater Hose, Heater Outlet
⚙️ 38 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.93Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Heater Outlet
🚗Fitment: Dodge, Chrysler, Cadillac, Nissan, and Ford, Ram 2500, Ram 3500, Pacifica, CTS, Pickup, D21, Festiva, Axxess, and Maxima
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Molded Heater Hose 18710

The Gates Molded Heater Hose 18710 is engineered for reliable HVAC system performance in select Cadillac, Chrysler, Dodge, Ford, and Nissan vehicles. Designed with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in models like the Cadillac CTS, Dodge Ram 2500, and Nissan Maxima.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and leak prevention
  • Inside diameter of 0.62 inches (16 mm) on both ends
  • Centerline length of 12.9 inches (328 mm) for accurate replacement
  • Compatible with multiple makes and models including Cadillac CTS and Dodge Ram 3500

Detailed Product Description

This HVAC heater hose from Gates is part of the Molded Heater Hose product line, which focuses on delivering exact-fit molded hoses for vehicle heating systems. The molded construction of part number 18710 eliminates the need for additional clamps or fittings, reducing potential leak points and simplifying installation. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, maintaining integrity under demanding engine bay conditions. Both ends feature a consistent inside diameter of 0.62 inches (16 mm), ensuring compatibility with OEM connections. The 12.9-inch (328 mm) centerline length matches factory specifications for a direct replacement in vehicles such as the Chrysler Pacifica and Ford Pickup.

Common Applications and Issues Addressed

  • Replacement of cracked or leaking heater hoses in HVAC systems
  • Restoring proper coolant flow to the heater core
  • Preventing coolant loss and engine overheating
  • Eliminating hose collapse or blockage affecting cabin heating
  • Maintaining system pressure and preventing air intrusion

Installation Notes and Tips

  • Verify hose length and diameter against the original part before installation
  • Ensure all connections are clean and free of debris for a secure fit
  • Use proper tools to avoid damaging the molded ends during installation
  • Check for leaks after installation by running the engine and monitoring the HVAC system
  • Replace any worn clamps or fittings to maintain system integrity

Quality Assurance and Warranty

Gates Molded Heater Hose 18710 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to a reliable, long-lasting HVAC hose solution. While specific warranty details may vary, Gates typically offers coverage against defects in material and workmanship, providing confidence in the product's quality for vehicles including the Nissan D21 and Dodge Ram 3500.

BrandGates
Part Number18710
PositionMolded Heater Hose, Heater Outlet
0
Yes
Branch Quantity0
Centerline Length12.9
Centerline Length328
Centerline Length (in)12.9
Centerline Length (mm)328
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 38 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
2010DodgeRam 25006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2010DodgeRam 35006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2009DodgeRam 25006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2009DodgeRam 35006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2008DodgeRam 25006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2008DodgeRam 35006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2007DodgeRam 25006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2007DodgeRam 35006.7LL6DIESELHeater OutletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2006ChryslerPacifica3.8LV6GASHeater InletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2005ChryslerPacifica3.8LV6GASHeater InletRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2004CadillacCTS3.2LV6GASPipe-1 To RadiatorMolded Heater Hose
2003CadillacCTS3.2LV6GASPipe-1 To RadiatorMolded Heater Hose
1997NissanPickupRWD2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1997NissanPickup4WD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1996NissanPickupRWD2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1996NissanPickup4WD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1995NissanPickupRWD2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1995NissanPickup4WD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1994NissanD21RWD2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1994NissanD214WD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1994NissanPickupRWD2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1993FordFestivaManual1.3LL4GASHeater To EngineMolded Heater Hose
1993NissanD21RWD2.4LL4GASHeater To Pipe-1Apr. 1993 & Older; Molded Heater Hose
1993NissanD21RWD2.4LL4GASHeater To Pipe-1May 1993 & Newer; Cut to fit; Molded Heater Hose
1993NissanD214WD2.4LL4GASHeater To Pipe-1May 1993 & Newer; Molded Heater Hose
1993NissanPickupRWD2.4LL4GASHeater To Pipe-1Apr. 1993 & Older; Molded Heater Hose
1993NissanPickupRWD2.4LL4GASHeater To Pipe-1May 1993 & Newer; Cut to fit; Molded Heater Hose
1992FordFestivaManual1.3LL4GASHeater To EngineMolded Heater Hose
1992NissanD21RWD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1992NissanMaxima3.0LV6GASHeater To EngineMolded Heater Hose
1992NissanPickupRWD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1991FordFestivaManual1.3LL4GASHeater To EngineMolded Heater Hose
1991NissanD21RWD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1991NissanPickupRWD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1990FordFestivaManual1.3LL4GASHeater To EngineMolded Heater Hose
1990NissanD21RWD2.4LL4GASHeater To Pipe-1Molded Heater Hose
1989FordFestiva1.3LL4GASHeater To EngineMolded Heater Hose
1988FordFestiva1.3LL4GASHeater To EngineMolded 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:

1071016032M1871025708438257401325005374AB55056712AB6320187750877529241057G059241057G159241086G0099241086G00C87725C87750D87752E8BZ 18472 A

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