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Genuine 1K0121087H Engine Coolant Tee
| Brand | Genuine 1K0121087H |
|---|---|
| Fits | Audi and Volkswagen · 28 vehicles |
OE direct replacement. Engine coolant tee for straightforward hose routing.
Genuine part for dependable cooling-system service.
Engine Coolant Tee for Audi and Volkswagen
This Genuine engine coolant tee, part number 1K0121087H, is a direct-fit cooling system connector for select Audi and Volkswagen models. It installs at the upper radiator hose to thermostat hose junction and helps maintain a secure coolant path in the engine cooling circuit.
Key Features
- Genuine OE replacement coolant tee
- Part number 1K0121087H
- Fits the upper radiator hose to thermostat hose connection
- Compatible with select Audi TT, TT Quattro, A3, and Volkswagen Eos, GTI, Jetta, and Passat applications
- Built for vehicles with 2.0L applications where noted in fitment
Fitment Details
- Fits 2014-2015 Audi TT Quattro, N/A, at Upper Radiator Hose to Thermostat Hose
- Fits 2010-2011 Audi TT Quattro, N/A, at Upper Radiator Hose to Thermostat Hose
- Fits 2012-2013 Audi TT Quattro, N/A, 2.0L; at Upper Radiator Hose to Thermostat Hose
- Fits 2009 Audi TT Quattro, N/A, 2.0L; at Upper Radiator Hose to Thermostat Hose
- Fits 2008-2009 Audi TT, N/A, at Upper Radiator Hose to Thermostat Hose
- Fits 2006-2008 Audi A3, N/A, at Upper Radiator Hose to Thermostat Hose
- Fits 2007-2009 Volkswagen Eos, N/A, 2.0L; at Upper Radiator Hose to Thermostat Hose
- Fits 2006-2008 Volkswagen GTI, N/A, at Upper Radiator Hose to Thermostat Hose
- Fits 2006-2008 Volkswagen Jetta, N/A, 2.0L; at Upper Radiator Hose to Thermostat Hose
- Fits 2006-2008 Volkswagen Passat, N/A, 2.0L; at Upper Radiator Hose to Thermostat Hose
What It Helps Address
- Cracked or leaking coolant tee at the hose junction
- Coolant seepage near the upper radiator hose connection
- Loss of coolant flow integrity in the thermostat hose branch
- Cooling system service needs on Audi TT Quattro and Volkswagen 2.0L applications
Installation Notes
Verify the part number 1K0121087H and match the vehicle year, make, model, engine, and hose routing before installation. Confirm the connection point at the upper radiator hose to thermostat hose junction on Audi TT Quattro, Audi TT, Audi A3, Volkswagen Eos, Volkswagen GTI, Volkswagen Jetta, and Volkswagen Passat applications.
Quality Assurance
Genuine OE-style replacement part for the specified cooling system application. Part number 1K0121087H is intended for direct replacement use on listed Audi and Volkswagen vehicles.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Audi | TT Quattro | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2014 | Audi | TT Quattro | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2013 | Audi | TT Quattro | S | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2012 | Audi | TT Quattro | S | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2011 | Audi | TT Quattro | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2010 | Audi | TT Quattro | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2009 | Audi | TT | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2009 | Audi | TT Quattro | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2009 | Volkswagen | Eos | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2008 | Audi | A3 | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2008 | Audi | TT | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2008 | Volkswagen | Eos | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2008 | Volkswagen | GTI | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2008 | Volkswagen | Jetta | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2008 | Volkswagen | Passat | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2007 | Audi | A3 | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2007 | Volkswagen | Eos | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2007 | Volkswagen | GTI | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2007 | Volkswagen | Jetta | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2007 | Volkswagen | Jetta | — | 2.0L | L4 | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2007 | Volkswagen | Passat | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2007 | Volkswagen | Passat | — | 2.0L | L4 | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2006 | Audi | A3 | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2006 | Volkswagen | GTI | — | — | — | N/A | at Upper Radiator Hose to Thermostat Hose |
| 2006 | Volkswagen | Jetta | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2006 | Volkswagen | Jetta | — | 2.0L | L4 | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2006 | Volkswagen | Passat | — | — | — | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
| 2006 | Volkswagen | Passat | — | 2.0L | L4 | N/A | 2.0L; at Upper Radiator Hose to Thermostat Hose |
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