HomeBelts and Cooling > Hardware, Fasteners and FittingsURO 1H0121321A Engine Coolant Reservoir Cap
Part #: 1H0121321A

URO 1H0121321A Engine Coolant Reservoir Cap

82 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Volkswagen, Cabrio, Corrado, EuroVan, Golf, Jetta, and Passat
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Reliable Engine Coolant Reservoir Cap for Volkswagen Models

The URO Engine Coolant Reservoir Cap 1H0121321A is designed to maintain proper pressure and prevent coolant leaks in your Volkswagen vehicle. Compatible with several Volkswagen models, this cap ensures your cooling system operates efficiently under various driving conditions.

  • Compatible with Volkswagen Cabrio, Corrado, EuroVan, Golf, Jetta, and Passat
  • Durable construction to withstand engine heat and pressure
  • OEM part number 1H0121321A for precise fitment
  • Maintains optimal coolant system pressure to prevent overheating
  • Easy to install replacement cap for engine coolant reservoirs

Product Details and Compatibility

This URO Engine Coolant Reservoir Cap, part number 1H0121321A, is engineered to meet the specifications required by Volkswagen vehicles including the Cabrio, Corrado, EuroVan, Golf, Jetta, and Passat models. The cap plays a critical role in sealing the coolant reservoir, maintaining system pressure, and preventing coolant loss. Proper sealing helps avoid engine overheating and coolant contamination, which can lead to costly repairs.

Common Applications and Problem Solving

  • Prevents coolant leaks from the reservoir
  • Maintains correct pressure in the cooling system
  • Helps avoid engine overheating due to coolant loss
  • Replaces worn or damaged reservoir caps causing pressure issues
  • Ensures proper coolant system function in Volkswagen vehicles

Installation Notes and Tips

When replacing the engine coolant reservoir cap 1H0121321A, ensure the engine is cool to avoid injury from hot coolant or steam. Remove the old cap by turning counterclockwise and inspect the reservoir neck for debris or damage before installing the new cap. Align the new cap properly and turn clockwise until secure. Regular inspection of the coolant reservoir cap can help maintain system integrity and prevent unexpected coolant loss.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM standards, providing reliable performance for Volkswagen vehicles. While specific warranty details for part number 1H0121321A may vary, URO typically offers coverage against manufacturing defects. Refer to the product documentation or contact the distributor for exact warranty terms.

This part fits 82 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2003VolkswagenEuroVanN/A
2002VolkswagenCabrioN/A
2002VolkswagenEuroVanN/A
2001VolkswagenCabrioN/A
2001VolkswagenEuroVanN/A
2000VolkswagenCabrioN/A
2000VolkswagenEuroVanN/A
1999VolkswagenCabrioN/A
1999VolkswagenEuroVanN/A
1999VolkswagenGolf2.0LL4N/A
1999VolkswagenJettaN/A
1999VolkswagenJetta2.0LL4N/A
1999VolkswagenJettaGLN/A
1999VolkswagenJettaGLSN/A
1999VolkswagenJettaWolfsburg EditionN/A
1998VolkswagenCabrioN/A
1998VolkswagenGolfN/A
1998VolkswagenGolf2.0LL4N/A
1998VolkswagenGolf1.9LL4N/A
1998VolkswagenJettaN/A
1997VolkswagenCabrioN/A
1997VolkswagenEuroVanN/A
1997VolkswagenGolfN/A
1997VolkswagenGolf2.0LL4N/A
1997VolkswagenJettaN/A
1997VolkswagenPassatN/A
1997VolkswagenPassat1.9LL4N/A
1996VolkswagenCabrioN/A
1996VolkswagenEuroVanN/A
1996VolkswagenEuroVan2.5LL5N/A
1996VolkswagenGolfN/A
1996VolkswagenGolf2.0LL4N/A
1996VolkswagenJettaN/A
1996VolkswagenPassatN/A
1996VolkswagenPassat2.0LL4N/A
1996VolkswagenPassat1.9LL4N/A
1995VolkswagenCabrioN/A
1995VolkswagenCorradoN/A
1995VolkswagenEuroVanN/A
1995VolkswagenEuroVan2.5LL5N/A
1995VolkswagenGolfN/A
1995VolkswagenJettaN/A
1995VolkswagenPassatN/A
1995VolkswagenPassat2.0LL4N/A
1994VolkswagenCorradoN/A
1994VolkswagenEuroVanN/A
1994VolkswagenGolfN/A
1994VolkswagenGolf2.0LL4N/A
1994VolkswagenJettaN/A
1994VolkswagenPassatN/A
1994VolkswagenPassat2.0LL4N/A
1993VolkswagenCorradoN/A
1993VolkswagenEuroVanN/A
1993VolkswagenEuroVan2.5LL5N/A
1993VolkswagenGolfN/A
1993VolkswagenGolf2.0LL4N/A
1993VolkswagenJettaN/A
1993VolkswagenPassatN/A
1993VolkswagenPassat2.0LL4N/A
1992VolkswagenCorradoN/A
1992VolkswagenEuroVanN/A
1992VolkswagenGolf2.0LL4N/A
1992VolkswagenGolf1.8LL4N/A
1992VolkswagenJettaN/A
1992VolkswagenPassatN/A
1992VolkswagenPassat2.0LL4N/A
1991VolkswagenCorradoN/A
1991VolkswagenGolf2.0LL4N/A
1991VolkswagenGolf1.8LL4N/A
1991VolkswagenJettaN/A
1991VolkswagenPassatN/A
1991VolkswagenPassat2.0LL4N/A
1990VolkswagenCorradoN/A
1990VolkswagenGolf2.0LL4N/A
1990VolkswagenGolf1.8LL4N/A
1990VolkswagenJettaN/A
1990VolkswagenJettaN/AChassis Range From 006601
1990VolkswagenJettaGLDIESELN/AChassis Range From 006601
1990VolkswagenJettaGLN/AChassis Range From 006601
1990VolkswagenJettaGLI 16-ValveN/A
1990VolkswagenPassatN/A
1989VolkswagenGolfN/AFrom 11/89

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

100121006310243118 54020 500118 54020 5891H0 121 321A1H0 121 321C1H0121321A31328357 121 321CCPE0020PGAT 31328URO-001580V10-0012

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.