Product overview
Genuine OEM Volkswagen Expansion Tank Cap, part number 1H0121321C. This cap is designed to seal the engine coolant expansion tank, maintaining the correct pressure within the cooling system and preventing coolant evaporation or leakage. It is a critical component in the engine cooling assembly. The cap is made from durable blue plastic and weighs approximately 0.0591 kg. Using a genuine OEM expansion tank cap ensures the correct pressure relief valve setting and a perfect seal, which is vital for preventing engine overheating and maintaining cooling system integrity.
Technical details
- Category
- Engine Cooling
- Country of origin
- Austria
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 8 × 8 × 3.5 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
70 vehiclesEnd Cap — locate 1H0121321C Volkswagen Expansion Tank Cap | Engine Cooling in the official exploded view and explore the surrounding assembly.
Parts in this assembly18
- 3Seal RingLeft037121687
- 4Bungs 357121140
- 5Seal Ring N90316801
- 6Spring 032121142
- 7Flange 026121144E
- 8Bolt N91148001
- 9Bolt N90280904
- 10Radiator 1HM121253
- 10Radiator 6K0121253S
- 10Radiator 1HM121253C
- 11Bolt N10717601
- 12Bracket 1HM121267
- 13Rubber Was 171121276D
- 16Seal Ring 1H0121687A
- 17Bolt N90614001
- 18Part 357121422
- 19Coolant Ad G012A8GM2
- 19Coolant Ad G00110012
Vehicle fitment table74
Europe (41)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| CADDY-KOMBI/KASTENW. 06> | 2005- | 15 | 1 | ||
| POLO CLASSIC 06> | 2005- | 15 | 1 | ||
| GOLF CABRIO | 2002-2002 | 26 | 1 | M60 | |
| CORDOBA/VARIO | 1999-2002 | 6 | 1 | ||
| IBIZA | 1999-2002 | 6 | 1 | ||
| POLO CLASSIC/VARIANT | 1999-2001 | 6 | 1 | ||
| POLO | 1999-2001 | 40 | 1 | ||
| caddy combi./del.van | 1998-2005 | 15 | 1 | ||
| GOLF CABRIO | 1998-2001 | 26 | 1 | ||
| TRANSPORTER SYNCRO | 1996-2003 | 23 | 1 | ||
| GOLF VAR./VENTO | 1996-1999 | 17 | 1 | ||
| POLO CLASSIC/VARIANT | 1996-1999 | 6 | 1 | ||
| TOLEDO SEAT MOD.97>99 | 1996-1999 | 26 | 1 | ||
| IBIZA/CORDOBA/VARIO | 1996-1999 | 6 | 1 | ||
| Golf | 1996-1997 | 17 | 1 | ||
| Transporter 96 | 1996-1996 | 23 | 1 | AAC,AAB,ACU, | |
| Polo Classic 96 | 1995-1996 | 6, 15 | 1 | ||
| Golf 96 | 1995-1996 | 17, 26 | 1 | ||
| Golf Var./Vento 96 | 1995-1996 | 17 | 1 | ||
| TRANSPORTER SYNCRO | 1995-1995 | 23 | 1 | ||
| POLO | 1994-1999 | 21, 27 | 1 | ||
| Passat | 1994-1997 | 17, 29 | 1 | ||
| Derby (MEX) | 1994-1996 | 15 | 1 | ||
| Golf Cabrio | 1994-1996 | 26 | 1 | ||
| Passat Var.syncro | 1994-1996 | 17, 29 | 1 | ||
| Golf/Ecomatic 95 | 1994-1995 | 17, 26 | 1 | ||
| Golf Var./Vento 95 | 1994-1995 | 17, 26 | 1 | ||
| Golf/Var. syncro | 1993-1997 | 26, 29 | 1 | ||
| Jetta GLX 94 | 1993-1994 | 17, 26 | 1 | ||
| Ibiza/Cordoba (SEAT) | 1992-1996 | 6 | 1 | ||
| Transporter syncro | 1992-1995 | 23 | 1 | ||
| TOLEDO SEAT | 1991-1996 | 26 | 1 | ||
| GOLF/Ecomatic | 1991-1994 | 17, 26 | 1 | ||
| Passat syncro | 1991-1993 | 19 | 1 | ||
| Passat | 1991-1993 | 17, 29 | 1 | ||
| Polo/Polo Coupe | 1990-1994 | 20 | 1 | ||
| Corrado | 1989-1995 | 15, 39 | 1 | ||
| Passat | 1989-1991 | 17, 29 | 1 | ||
| Jetta | 1989-1991 | 30, 21 | 1 | ||
| Jetta 89 | 1988-1989 | 30 | 1 | ||
| Golf/Jetta syn, Rallye | 1985-1991 | 25, 22A | 1 |
Other markets (24)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| parati | 2010- | 22A | |||
| GOL 2P/4P M.06> | 2005- | 10A | 1 | ||
| SAVEIRO M.06> | 2005- | 22A | 1 | ||
| PARATI M.06> | 2005- | 22A | 1 | ||
| GOL "CN"03> | 2003- | 22A | 1 | ||
| GOL 2P/4P | 2002-2006 | 10A | 1 | ||
| SAVEIRO | 2002-2006 | 22A | 1 | ||
| PARATI 4P | 2002-2006 | 10A | 1 | ML6 | |
| GOL SPECIAL 2P | 2002-2005 | 10A | 1 | ||
| Eurovan | 1998-2003 | 23 | 1 | ||
| Golf Cabrio "USA","Mex"99>02 | 1998-2002 | 26 | 1 | ||
| Eurovan 98 | 1997-1998 | 23 | 1 | ||
| CITI GOLF "ZA"M.96> | 1996- | 15 | 1 | ||
| POLO CLASS./PL. "ZA" | 1996-2003 | 15 | 1 | ||
| Golf/Jetta "USA","Mex"97>99 | 1996-1998 | 26 | 1 | ||
| Eurovan | 1996-1997 | 23 | 1 | ||
| NOVA PARATI | 1995-2002 | 10A | 1 | 511 | |
| Golf Cabrio "USA","MEX"96>99 | 1995-1998 | 26 | 1 | ||
| Eurovan F>>70-T 96 | 1995-1995 | 23 | 1 | AAC,AAB,ACU, | |
| NOVO GOL/SAVEIRO | 1994-2002 | 10A | |||
| Eurovan 95 | 1994-1995 | 23 | 1 | ||
| Golf/Jetta "USA","MEX"93>96 | 1992-1996 | 26, 29 | 1 | ||
| Eurovan | 1991-1994 | 23 | 1 | ||
| Golf/Jetta "USA","MEX"89>92 | 1988-1992 | 22A | 1 |
Platform / generic diagrams (5)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| 701 platform | 23 | ||||
| 377 platform | 22A | 1 | |||
| 6K0 platform | 15 | 1 | |||
| 6K0 platform | 15 | 1 | |||
| 6K0 platform | 26 | 1 | AGR,AGP,AKL |
Listed without a diagram position (4)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Jetta 88 | 1987-1988 | 1 | |||
| Jetta 87 | 1986-1987 | 1 | |||
| Jetta 86 | 1985-1986 | 1 | |||
| Jetta 85 | 1984-1985 | 1 |
Diagrams & fitment data powered by oemdiagrams.com
1H0121321C Volkswagen Expansion Tank Cap | Engine Cooling is fitted on: CADDY-KOMBI/KASTENW. 06> 2005-; POLO CLASSIC 06> 2005-; GOLF CABRIO 2002-2002; CORDOBA/VARIO 1999-2002; IBIZA 1999-2002; POLO CLASSIC/VARIANT 1999-2001; POLO 1999-2001; caddy combi./del.van 1998-2005; GOLF CABRIO 1998-2001; TRANSPORTER SYNCRO 1996-2003; GOLF VAR./VENTO 1996-1999; POLO CLASSIC/VARIANT 1996-1999; TOLEDO SEAT MOD.97>99 1996-1999; IBIZA/CORDOBA/VARIO 1996-1999; Golf 1996-1997; Transporter 96 1996-1996; Polo Classic 96 1995-1996; Golf 96 1995-1996; Golf Var./Vento 96 1995-1996; TRANSPORTER SYNCRO 1995-1995; POLO 1994-1999; Passat 1994-1997; Derby (MEX) 1994-1996; Golf Cabrio 1994-1996; Passat Var.syncro 1994-1996; Golf/Ecomatic 95 1994-1995; Golf Var./Vento 95 1994-1995; Golf/Var. syncro 1993-1997; Jetta GLX 94 1993-1994; Ibiza/Cordoba (SEAT) 1992-1996; Transporter syncro 1992-1995; TOLEDO SEAT 1991-1996; GOLF/Ecomatic 1991-1994; Passat syncro 1991-1993; Passat 1991-1993; Polo/Polo Coupe 1990-1994; Corrado 1989-1995; Passat 1989-1991; Jetta 1989-1991; Jetta 89 1988-1989; Golf/Jetta syn, Rallye 1985-1991; parati 2010-; GOL 2P/4P M.06> 2005-; SAVEIRO M.06> 2005-; PARATI M.06> 2005-; GOL "CN"03> 2003-; GOL 2P/4P 2002-2006; SAVEIRO 2002-2006; PARATI 4P 2002-2006; GOL SPECIAL 2P 2002-2005; Eurovan 1998-2003; Golf Cabrio "USA","Mex"99>02 1998-2002; Eurovan 98 1997-1998; CITI GOLF "ZA"M.96> 1996-; POLO CLASS./PL. "ZA" 1996-2003; Golf/Jetta "USA","Mex"97>99 1996-1998; Eurovan 1996-1997; NOVA PARATI 1995-2002; Golf Cabrio "USA","MEX"96>99 1995-1998; Eurovan F>>70-T 96 1995-1995; NOVO GOL/SAVEIRO 1994-2002; Eurovan 95 1994-1995; Golf/Jetta "USA","MEX"93>96 1992-1996; Eurovan 1991-1994; Golf/Jetta "USA","MEX"89>92 1988-1992; 701 platform; 377 platform; 6K0 platform.