United States
Product overview
Genuine OEM Audi Coolant Expansion Tank Cap, part number 1J0121321B. This cap is crucial for sealing the coolant expansion tank, maintaining the correct pressure within the cooling system to prevent overheating and fluid loss. It features a distinctive blue color and a coolant symbol for easy identification. Weighing approximately 0.062 kg, it is designed for a secure and precise fit. A genuine OEM cap ensures the correct pressure relief valve setting and material integrity, vital for the safe and efficient operation of the engine cooling system.
Technical details
- Category
- Engine Cooling
- Country of origin
- Austria
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 8 × 8 × 4 cm
- Shipping weight
- 0.06 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
Parts diagram & fitment
50 vehiclesEnd Cap — locate 1J0121321B Audi Coolant Expansion Tank Cap | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly16
Vehicle fitment table50
Europe (31)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi Q7 qu. 3.0 TDI | 2009-2015 | 11, 21 | 1 | ||
| Touareg 08> | 2007- | 29 | 1 | BKS | |
| Audi Q7 07> | 2006- | 11 | 1 | TA0 | |
| Touareg | 2005-2006 | 29 | 1 | BMV | ,BM |
| Touareg | 2003-2005 | 29 | 1 | AZZ | ,AX |
| Audi RS6 qu. | 2003-2004 | 8 | 1 | T09 | |
| Jetta/Wagon | 2002-2006 | 21, 28 | 1 | ||
| PASSAT/4MOTION/W8 | 2002-2005 | 8 | 1 | ALZ, | AWT |
| POLO | 2001-2005 | 8 | 1 | ||
| Audi A6/Wagon/quattro | 2001-2004 | 8 | 1 | T7S | |
| GOLF/VAR./4MOT. A4 02 | 2001-2002 | 21, 28 | 1 | ||
| Jetta Wagon 02 | 2001-2002 | 21, 28 | 1 | ||
| Jetta Wagon | 2001-2001 | 21, 28 | 1 | ||
| Audi A6 Allroad qu. | 2000-2005 | 8 | 1 | ||
| AUDI A2 | 2000-2005 | 24, 27 | 1 | T4A | |
| AUDI A3/S3/QUATTRO | 2000-2003 | 21, 28 | 1 | MW6 | |
| Passat/4Motion/W8 | 2000-2002 | 8 | 1 | ALZ | ,AW |
| AUDI RS4 AV. QU. | 2000-2001 | 8 | 1 | ||
| Audi TT Coupe/Roadster | 1999-2002 | 22 | 1 | ||
| Audi A4/Avant | 1999-2001 | 8 | 1 | ||
| Audi A4/Av.qu. | 1999-2001 | 8 | 1 | ||
| Golf | 1998-2000 | 21, 28 | 1 | ||
| Passat syncro/4Motion | 1998-2000 | 8 | 1 | ||
| Audi A6/Avant | 1997-2001 | 8 | 1 | ||
| Audi A6/Av.qu.F4B-W-> | 1997-2001 | 8 | 1 | ||
| Passat | 1997-2000 | 8 | 1 | ||
| Audi A4/Avant F8D-W-> | 1997-1998 | 8 | 1 | ||
| Audi A4/Av.qu.F8D-W-> | 1997-1998 | 8 | 1 | ||
| AUDI A3/S3/QUATTRO | 1996-2000 | 21, 28 | 1 | ||
| Audi A4 F>8D-W-.. | 1995-1997 | 8 | 1 | ||
| Audi A4 qu. F>8D-W-.. | 1995-1997 | 8 | 1 |
Other markets (13)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| POLO CLASSIC "ZA"05> | 2005- | 33, 28 | 1 | M0R | |
| Golf 'R32' n. "USA" | 2004-2004 | 21, 28 | 1 | ||
| POLO CLASSIC "CN"03>06 | 2003-2006 | 28 | 1 | MP9 | |
| POLO CLASSIC "ZA"03>05 | 2003-2005 | 8, 33 | 1 | T0U | |
| Golf "BR.","USA"03>07 | 2002-2007 | 28 | 1 | 0DW | |
| POLO "CN"02>06 | 2002-2006 | 28 | 1 | ||
| POLO-BRASIL | 2002-2006 | 8, 33 | 1 | ||
| POLO LIM.(SEDAN) "BR" | 2002-2006 | 8, 33 | 1 | MN7,MP0 | |
| BORA (FAW) | 2001-2006 | 28 | 1 | ||
| Golf BR/US | 2001-2002 | 28 | 1 | ||
| AUDI A3-BRASIL. | 2000-2005 | 28 | 1 | ||
| AUDI A6L CHINA | 1999-2005 | 8 | 1 | ||
| Golf BR/US | 1999-2001 | 28 | 1 |
Platform / generic diagrams (6)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| 1J0 platform | 28 | 1 | APK | ||
| 1C0 platform | 28 | 1 | APK,BER | ||
| 3B0 platform | 8 | ||||
| 3B0 platform | 8 | 1 | |||
| 7L6 platform | 29 | 1 | |||
| 1J0 platform | 28 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
1J0121321B Audi Coolant Expansion Tank Cap | Genuine OEM is fitted on: Audi Q7 qu. 3.0 TDI 2009-2015; Touareg 08> 2007-; Audi Q7 07> 2006-; Touareg 2005-2006; Touareg 2003-2005; Audi RS6 qu. 2003-2004; Jetta/Wagon 2002-2006; PASSAT/4MOTION/W8 2002-2005; POLO 2001-2005; Audi A6/Wagon/quattro 2001-2004; GOLF/VAR./4MOT. A4 02 2001-2002; Jetta Wagon 02 2001-2002; Jetta Wagon 2001-2001; Audi A6 Allroad qu. 2000-2005; AUDI A2 2000-2005; AUDI A3/S3/QUATTRO 2000-2003; Passat/4Motion/W8 2000-2002; AUDI RS4 AV. QU. 2000-2001; Audi TT Coupe/Roadster 1999-2002; Audi A4/Avant 1999-2001; Audi A4/Av.qu. 1999-2001; Golf 1998-2000; Passat syncro/4Motion 1998-2000; Audi A6/Avant 1997-2001; Audi A6/Av.qu.F4B-W-> 1997-2001; Passat 1997-2000; Audi A4/Avant F8D-W-> 1997-1998; Audi A4/Av.qu.F8D-W-> 1997-1998; AUDI A3/S3/QUATTRO 1996-2000; Audi A4 F>8D-W-.. 1995-1997; Audi A4 qu. F>8D-W-.. 1995-1997; POLO CLASSIC "ZA"05> 2005-; Golf 'R32' n. "USA" 2004-2004; POLO CLASSIC "CN"03>06 2003-2006; POLO CLASSIC "ZA"03>05 2003-2005; Golf "BR.","USA"03>07 2002-2007; POLO "CN"02>06 2002-2006; POLO-BRASIL 2002-2006; POLO LIM.(SEDAN) "BR" 2002-2006; BORA (FAW) 2001-2006; Golf BR/US 2001-2002; AUDI A3-BRASIL. 2000-2005; AUDI A6L CHINA 1999-2005; Golf BR/US 1999-2001; 1J0 platform; 1C0 platform; 3B0 platform; 7L6 platform.
