HomeBelts and Cooling > Hoses and PipesGenuine 1K0121087H Engine Coolant Tee
Part #: 1K0121087H

Genuine 1K0121087H Engine Coolant Tee

28 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, TT Quattro, TT, Eos, A3, GTI, Jetta, and Passat
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Overview of Genuine Engine Coolant Tee for Audi and Volkswagen

The Genuine 1K0121087H Engine Coolant Tee is designed specifically for select Audi and Volkswagen models, including the A3, Eos, GTI, Jetta, Passat, TT, and TT Quattro. This component plays a critical role in your vehicle's cooling system by efficiently directing coolant flow to maintain optimal engine temperature.

  • Compatible with Audi A3, Eos, TT, TT Quattro and Volkswagen GTI, Jetta, Passat models
  • OEM part number 1K0121087H ensures precise fit and function
  • Engine coolant tee designed for reliable coolant distribution
  • Constructed to meet factory specifications for durability and performance
  • Direct replacement part for maintaining proper engine cooling system operation

Detailed Product Description

The Genuine 1K0121087H Engine Coolant Tee is an essential component within the cooling system of various Audi and Volkswagen vehicles. It serves as a junction point for coolant hoses, allowing coolant to be routed efficiently between different parts of the engine cooling circuit. This helps prevent overheating and ensures consistent engine performance. Manufactured to meet original equipment standards, this coolant tee provides a precise fit for models such as the Audi A3, Eos, TT, TT Quattro, and Volkswagen GTI, Jetta, and Passat. Using this OEM part helps maintain the integrity of the cooling system and supports long-term vehicle reliability.

Common Applications and Issues Addressed

  • Replacement for cracked or leaking coolant tees causing coolant loss
  • Solves coolant flow restrictions that can lead to engine overheating
  • Addresses coolant hose connection failures due to wear or damage
  • Prevents coolant contamination by maintaining secure hose junctions
  • Restores proper coolant circulation in affected Audi and Volkswagen models

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Drain coolant system partially to prevent spillage during removal
  • Inspect connected hoses for wear and replace if necessary
  • Use OEM clamps or equivalent to secure hoses firmly to the tee
  • Refill and bleed the cooling system to remove air pockets after installation

Quality Assurance and Warranty Information

This Genuine Engine Coolant Tee (part number 1K0121087H) is manufactured to meet strict OEM quality standards, ensuring compatibility and durability for your Audi or Volkswagen vehicle. While specific warranty terms may vary, Genuine parts typically come with a limited warranty covering defects in material and workmanship. Using this OEM component helps maintain the reliability and safety of your vehicle's cooling system.

This part fits 28 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2015AudiTT QuattroN/Aat Upper Radiator Hose to Thermostat Hose
2014AudiTT QuattroN/Aat Upper Radiator Hose to Thermostat Hose
2013AudiTT QuattroSN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2012AudiTT QuattroSN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2011AudiTT QuattroN/Aat Upper Radiator Hose to Thermostat Hose
2010AudiTT QuattroN/Aat Upper Radiator Hose to Thermostat Hose
2009AudiTTN/Aat Upper Radiator Hose to Thermostat Hose
2009AudiTT QuattroN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2009VolkswagenEosN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2008AudiA3N/Aat Upper Radiator Hose to Thermostat Hose
2008AudiTTN/Aat Upper Radiator Hose to Thermostat Hose
2008VolkswagenEosN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2008VolkswagenGTIN/Aat Upper Radiator Hose to Thermostat Hose
2008VolkswagenJettaN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2008VolkswagenPassatN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2007AudiA3N/Aat Upper Radiator Hose to Thermostat Hose
2007VolkswagenEosN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2007VolkswagenGTIN/Aat Upper Radiator Hose to Thermostat Hose
2007VolkswagenJettaN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2007VolkswagenJetta2.0LL4N/A2.0L; at Upper Radiator Hose to Thermostat Hose
2007VolkswagenPassatN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2007VolkswagenPassat2.0LL4N/A2.0L; at Upper Radiator Hose to Thermostat Hose
2006AudiA3N/Aat Upper Radiator Hose to Thermostat Hose
2006VolkswagenGTIN/Aat Upper Radiator Hose to Thermostat Hose
2006VolkswagenJettaN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2006VolkswagenJetta2.0LL4N/A2.0L; at Upper Radiator Hose to Thermostat Hose
2006VolkswagenPassatN/A2.0L; at Upper Radiator Hose to Thermostat Hose
2006VolkswagenPassat2.0LL4N/A2.0L; at Upper Radiator Hose to Thermostat 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:

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