Audi / Volkswagen Coolant Reservoir / Tank / Bottle 1J0121403B
OEM Part #: 1J0-121-403-B (1J0121403B)
Actual photo
The exact part you’ll receive — not a stock photo.
$13.71
Save 75% vs new
Used
Donor Vehicle2001 Audi TT · 1.8L
New price~$55 from the dealer
✓ Free Same Day Shipping on orders by noon CT
or pick up free in Waverly, MN ·
Hours & directions
Wolf Auto Parts, 127 6th St S, Waverly, MN 55390 · Mon–Thu 8–5, Fri 8–2 CT · 1-844-333-3609 · Directions · Ready immediately during business hours.6 Available — Select Your Part:
Genuine OEM Used
SKU: 648308
Donor Vehicle: 2001 Audi TT · 1.8L
3 photos
$13.71
30-Day Returns
Genuine OEM Used
SKU: 291759
Donor Vehicle: 2004 Audi TT · 3.2L
2 photos
$13.71
30-Day Returns
Genuine OEM Used
SKU: 250177
Donor Vehicle: 2001 Audi TT · 1.8
2 photos
$13.71
30-Day Returns
Genuine OEM Used
SKU: 181047
Donor Vehicle: 2002 Audi TT · 1.8L · 79k miles
2 photos
$13.71
30-Day Returns
Genuine OEM Used
SKU: 734492
Donor Vehicle: 2002 Audi TT · 1.8L · 83k miles
2 photos
$13.99
30-Day Returns
Genuine OEM Used
SKU: 685475
Donor Vehicle: 2004 Audi TT · 1.8L
3 photos
$13.99
30-Day Returns
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
VW Audio TT Coolant Reservoir / Tank / Bottle OEM 1J0121403B — a used genuine part removed from a donor vehicle. The OEM number 1J0121403B also replaces 1J0121407D. This reservoir stores and supplies coolant to the engine, and over time can develop cracks or leaks at the neck or seams, leading to coolant loss and potential overheating. It was originally fitted to 1.8L turbo, 1.9L diesel, 2.0L, 2.8L V6, and 3.2L V6 engine variants in Audi TT and Volkswagen Golf applications.
Specifications
| Fits Vehicle Model | Golf, TT |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 1J0-121-403-B (1J0121403B) |
| Compatible OEM Part No | 1J0-121-407-D |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 60 vehicle configurations across 2 makes, 2000-2006.
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 60 vehicle configurations — 8 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2000 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2000 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2001 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro ALMS Coupe | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2002 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2003 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2004 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2004 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2005 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2005 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2005 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2006 | Audi | TT | Convertible | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Convertible | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Convertible | 3.2L V6 | |
| 2006 | Audi | TT | Quattro Coupe | 1.8L l4 Turbo | |
| 2006 | Audi | TT | Quattro Coupe | 3.2L V6 | |
| 2000 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) ALH |
| 2000 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AEG, AVH, AZG |
| 2000 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWD, AWW |
| 2000 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AFP |
| 2001 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | For Vehicles with Engine Code(s) ALH |
| 2001 | Volkswagen | Golf | Hatchback | 2.0L l4 | For Vehicles with Engine Code(s) AEG, AVH, AZG |
| 2001 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | For Vehicles with Engine Code(s) AWD, AWW |
| 2001 | Volkswagen | Golf | Hatchback | 2.8L V6 | For Vehicles with Engine Code(s) AFP |
| 2002 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | |
| 2002 | Volkswagen | Golf | Hatchback | 2.0L l4 | |
| 2002 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | |
| 2002 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 2003 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | |
| 2003 | Volkswagen | Golf | Hatchback | 2.0L l4 | |
| 2003 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | |
| 2003 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 2004 | Volkswagen | Golf | Hatchback | 2.0L l4 | |
| 2004 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | |
| 2004 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | |
| 2004 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 2005 | Volkswagen | Golf | Hatchback | 2.0L l4 | |
| 2005 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo | |
| 2005 | Volkswagen | Golf | Hatchback | 2.8L V6 | |
| 2005 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | |
| 2006 | Volkswagen | Golf | Hatchback | 2.0L l4 | |
| 2006 | Volkswagen | Golf | Hatchback | 1.9L l4 Diesel Turbo | |
| 2006 | Volkswagen | Golf | Hatchback | 1.8L l4 Turbo |