Audi / Volkswagen Coolant Pipe / Line 1K0121070AQ
OEM Part #: 1K0-121-070-AQ (1K0121070AQ)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Coolant Hose / Pipe / Line that may fit your vehicle
Auxiliary Pump Coolant Hose / Line
$29.49
Fits 2005–2013 Audi & Volkswagen
OEM: 1K0122063D
Coolant / Water Hose
$30.49
Fits 2002–2006 Audi & Volkswagen
OEM: 1J0122063A
Coolant / Water Hose
$13.49
Fits 2000–2006 Audi & Volkswagen
OEM: 1J0122109CA
Coolant Flange / Adapter
Starting at $6.99
Fits 2006–2025 Audi & Volkswagen
OEM: N906929
Coolant Flange Distributor Hose
$15.99
Fits 2005–2015 Audi & Volkswagen
OEM: 1K0121087H
Coolant Hose / Line
$12.49
Fits 2008–2017 Audi & Volkswagen
OEM: 3C0122157FH
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Coolant Pipe / Line 1K0121070AQ for Audi and Volkswagen models is an essential component located at the front, responsible for transporting coolant throughout the engine system. This part addresses common issues such as coolant leaks and poor engine cooling, ensuring optimal thermal management. Compatible with Audi TT Quattro (2009-2015), TTS Quattro (2011-2015), A3 (2006-2013), and various Volkswagen models including Golf, Jetta, GTI, and Passat from 2005-2013. Interchangeable with part numbers 1K0121070AH and 1K0121070AL. Dimensions: 6" H x 6" L x 14" W. This coolant line, also known as a Water Inlet Tube or Front Pipe, is crucial for maintaining engine efficiency.
Specifications
| Fits Vehicle Model | A3, Eos, Golf, Golf R, GTI, Jetta, Passat, TT, TTS |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 1K0-121-070-AQ (1K0121070AQ) |
| Compatible OEM Part No | 1K0-121-070-AH, 1K0-121-070-AL |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 79 vehicle configurations across 2 makes, 2005-2015.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 79 vehicle configurations — 63 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2006 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2007 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2008 | Audi | A3 | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2008 | Audi | TT | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2008 | Audi | TT | Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2009 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2009 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2009 | Audi | TT | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2009 | Audi | TT | Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2009 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2009 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2009 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2009 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2010 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2010 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2010 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2010 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2010 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2010 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2010 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY, CDMA |
| 2011 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2011 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2011 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2011 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2011 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2011 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2011 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2012 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2012 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2012 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2012 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2012 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2012 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2012 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2013 | Audi | A3 | Hatchback | 2.0L l4 Turbo | |
| 2013 | Audi | A3 | Hatchback | 2.0L l4 Diesel Turbo | |
| 2013 | Audi | A3 | Quattro Hatchback | 2.0L l4 Turbo | |
| 2013 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2013 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2013 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2013 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2014 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2014 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2014 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2014 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2015 | Audi | TT | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2015 | Audi | TT | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2015 | Audi | TTS | Quattro Convertible | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2015 | Audi | TTS | Quattro Coupe | 2.0L l4 Turbo | For Vehicles with Production Date After 06/14/10; For Vehicles with Engine Code(s) CDLA, CDLB, CDMA |
| 2005 | Volkswagen | Jetta | Sedan | 2.0L l4 | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2005 | Volkswagen | Jetta | Wagon | 2.0L l4 | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2006 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) BPY |
| 2006 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2006 | Volkswagen | Jetta | Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2006 | Volkswagen | Passat | Sedan | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2007 | Volkswagen | Eos | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2007 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2007 | Volkswagen | Jetta | Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2007 | Volkswagen | Passat | Sedan | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2007 | Volkswagen | Passat | Wagon | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2008 | Volkswagen | Eos | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2008 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2008 | Volkswagen | Jetta | Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2008 | Volkswagen | Passat | Sedan | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2008 | Volkswagen | Passat | Wagon | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2009 | Volkswagen | Eos | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2009 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2009 | Volkswagen | Jetta | Sedan | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2009 | Volkswagen | Jetta | Wagon | 2.0L l4 Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2009 | Volkswagen | Jetta | Sedan | 2.0L l4 Diesel Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2009 | Volkswagen | Jetta | Wagon | 2.0L l4 Diesel Turbo | For Vehicles With Production date Up To 12/31/08; For Vehicles with Engine Code(s) BPY |
| 2010 | Volkswagen | Eos | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2010 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLC, CDLF |
| 2011 | Volkswagen | Eos | Convertible | 2.0L l4 Turbo | For Vehicles with Engine Code(s) BPY |
| 2011 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLC, CDLF |
| 2012 | Volkswagen | Golf R | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLC, CDLF, CDLG, CRZA |
| 2012 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLC, CDLF, CDLG, CRZA |
| 2013 | Volkswagen | Golf R | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLC, CDLF, CDLG, CRZA |
| 2013 | Volkswagen | GTI | Hatchback | 2.0L l4 Turbo | For Vehicles with Engine Code(s) CDLC, CDLF, CDLG, CRZA |