HomeHVAC > Hoses and PipesGates 12339 HVAC Heater Hose - Throttle Body Inlet
Part #: 12339

Gates 12339 HVAC Heater Hose - Throttle Body Inlet

Molded Heater Hose, Throttle Body Inlet
⚙️ 14 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$14.54Free 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, Throttle Body Inlet
🚗Fitment: Toyota, Sequoia
🔄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 12339

The Gates Molded Heater Hose 12339 is designed specifically for Toyota Sequoia models, providing reliable HVAC system performance. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your vehicle's heating system.

  • Made from high-quality EPDM material for heat and ozone resistance
  • Molded design for precise fit and easy installation
  • Centerline length of 237 mm (9.34 inches) for accurate replacement
  • Consistent inside diameter of 7 mm (0.27 inches) on both ends
  • Compatible with Toyota Sequoia HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 12339 is engineered to meet the exact specifications required for the Toyota Sequoia's heating and ventilation system. The hose features a molded construction that eliminates the need for additional fittings, reducing potential leak points and simplifying installation. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and weathering, this heater hose maintains flexibility and durability under demanding engine compartment conditions. With a centerline length of 237 mm (9.34 inches) and an inside diameter of 7 mm (0.27 inches) on both ends, it ensures a precise fit and optimal coolant flow within the HVAC system.

About the Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on delivering pre-formed hoses that match OEM specifications for various vehicle models. This product line is designed to provide a direct replacement solution that reduces installation time and improves system reliability. The molded design of the 12339 part number exemplifies this approach by offering a hose that fits the Toyota Sequoia HVAC system without modification.

Common Applications and Problem Solving

  • Replacement of worn or cracked heater hoses in Toyota Sequoia HVAC systems
  • Eliminating coolant leaks caused by deteriorated or damaged hoses
  • Restoring proper heater core function and cabin heating performance
  • Preventing overheating issues related to compromised heater hose integrity
  • Maintaining consistent coolant flow within the vehicle’s heating system

Installation Notes and Tips

When installing the Gates Molded Heater Hose 12339, ensure the engine is cool to avoid burns from hot coolant. Verify the hose routing matches the original configuration to prevent kinks or stress points. Use appropriate clamps to secure the hose ends firmly, and inspect all connections for leaks after installation. The molded design simplifies alignment, but careful handling is recommended to avoid damage during installation.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 12339 to meet stringent quality standards, ensuring durability and performance in automotive HVAC applications. The EPDM material and molded construction contribute to the hose’s resistance to heat and environmental factors. While specific warranty details are not provided, Gates products typically adhere to industry standards for reliability and fitment.

BrandGates
Part Number12339
PositionMolded Heater Hose, Throttle Body Inlet
MaterialEpdm
End 1 Inside Diameter.27
End 1 Inside Diameter7
End 2 Inside Diameter.27
End 2 Inside Diameter7
Centerline Length237
Centerline Length9.34
Branch Quantity0
9839Yes
98450
Centerline Length (in)9.34
Centerline Length (mm)237
MoldedYes
Number of Quick Connect Fittings0

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2022ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2021ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2020ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2019ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2018ToyotaSequoia5.7LV8FLEXThrottle Body InletMolded Heater Hose
2018ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2017ToyotaSequoia5.7LV8FLEXThrottle Body InletMolded Heater Hose
2017ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2016ToyotaSequoia5.7LV8FLEXThrottle Body InletMolded Heater Hose
2016ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2015ToyotaSequoia5.7LV8FLEXThrottle Body InletMolded Heater Hose
2015ToyotaSequoia5.7LV8GASThrottle Body InletMolded Heater Hose
2014ToyotaSequoia5.7LV8FLEXThrottle Body InletMolded Heater Hose
2014ToyotaSequoia5.7LV8GASThrottle Body InletMolded 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:

1333914971S1628138080

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