HomeHVAC > Hoses and PipesGates 18843 HVAC Heater Hose - Heater To Pipe
Part #: 18843

Gates 18843 HVAC Heater Hose - Heater To Pipe

Molded Heater Hose, Heater To Pipe
⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$30.30Free 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 To Pipe
🚗Fitment: Toyota, 4Runner and Pickup
🔄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 18843

The Gates Molded Heater Hose 18843 is designed specifically for Toyota 4Runner and Pickup models, providing reliable HVAC system performance. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service.

  • Made from high-quality EPDM for heat and chemical resistance
  • Centerline length of 22.4 inches (569 mm) for precise fitment
  • Inside diameter of 0.62 inches (16 mm) on both ends
  • Molded design for exact OEM replacement
  • Compatible with Toyota 4Runner and Pickup HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 18843 is engineered to meet the specific HVAC requirements of Toyota 4Runner and Pickup vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. The hose features a molded design that matches the original equipment specifications, ensuring a secure and leak-free connection. With an inside diameter of 0.62 inches (16 mm) on both ends and a centerline length of 22.4 inches (569 mm), this heater hose fits precisely within the HVAC system, facilitating efficient coolant flow and heat transfer.

Applications and Problem Solving

  • Replaces worn or cracked heater hoses in Toyota 4Runner and Pickup HVAC systems
  • Prevents coolant leaks that can cause engine overheating
  • Restores proper heater core function for consistent cabin heating
  • Eliminates hose collapse or blockage that restricts coolant flow
  • Addresses issues related to hose degradation from heat and chemical exposure

Installation Notes and Tips

  • Ensure the engine is cool before removing the old heater hose
  • Verify hose routing matches OEM specifications to avoid kinks or stress points
  • Use appropriate clamps to secure hose ends firmly
  • Inspect surrounding components for wear or damage during installation
  • Check for leaks after installation by running the engine and monitoring the HVAC system

Quality Assurance and Warranty

Gates Molded Heater Hose 18843 is manufactured to meet strict quality standards for durability and performance. The EPDM material and molded construction provide reliable service life under typical operating conditions. While specific warranty details are not provided, Gates products are generally backed by the brand's commitment to quality and fitment accuracy for Toyota 4Runner and Pickup vehicles.

BrandGates
Part Number18843
PositionMolded Heater Hose, Heater To Pipe
MaterialEpdm
End 1 Inside Diameter.62
End 1 Inside Diameter16
End 2 Inside Diameter.62
End 2 Inside Diameter16
Centerline Length22.4
Centerline Length569
Branch Quantity0
9839Yes
98450
Centerline Length (in)22.4
Centerline Length (mm)569
MoldedYes
Number of Quick Connect Fittings0

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1989Toyota4Runner2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1989ToyotaPickup2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1988Toyota4Runner2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1988ToyotaPickup2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1987Toyota4Runner2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1987ToyotaPickup2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1986Toyota4Runner2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1986ToyotaPickup2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1985Toyota4Runner2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1985ToyotaPickup2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1984Toyota4Runner2.4LL4GASHeater To PipeWith Auxiliary Heater; Molded Heater Hose
1984ToyotaPickup2.4LL4GASHeater To PipeWith Auxiliary Heater; 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:

1084316074M1884363155872458917787685E87685

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