HomeEmission Control > Crankcase Ventilation SystemURO 028129101D Engine Crankcase Vent Valve
Part #: 028129101D

URO 028129101D Engine Crankcase Vent Valve

⚙️ 18 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Volkswagen, Golf, Jetta, and Passat
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Reliable Engine Crankcase Vent Valve for Volkswagen Models

The URO 028129101D Engine Crankcase Vent Valve is designed specifically for Volkswagen vehicles, including the Golf, Jetta, and Passat. This part ensures proper ventilation of the engine crankcase, helping maintain optimal engine performance and emissions control.

  • Compatible with Volkswagen Golf, Jetta, and Passat models
  • OEM-quality replacement part number 028129101D
  • Essential component of the crankcase ventilation system
  • Helps regulate engine pressure and reduce harmful emissions
  • Durable construction for long-lasting performance

Product Details and Functionality

The URO 028129101D crankcase vent valve plays a critical role in the emission control system by managing the flow of gases from the engine crankcase back into the intake manifold. This process prevents the buildup of pressure inside the engine and reduces the release of pollutants into the atmosphere. Designed to meet or exceed OEM specifications, this valve is engineered for a precise fit on Volkswagen Golf, Jetta, and Passat models, ensuring reliable operation and compatibility.

Common Applications and Problem Resolution

  • Prevents excessive crankcase pressure that can cause oil leaks
  • Reduces engine rough idling caused by faulty ventilation
  • Helps maintain proper emission levels to pass inspections
  • Eliminates check engine light triggers related to crankcase ventilation
  • Supports overall engine efficiency and longevity

Installation Notes and Tips

When replacing the crankcase vent valve on Volkswagen Golf, Jetta, or Passat models, ensure the engine is cool before beginning installation. Carefully remove the old valve and inspect the surrounding hoses and connections for wear or damage. Properly secure the new URO 028129101D valve to avoid vacuum leaks and verify all connections are tight. Refer to the vehicle’s service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty

URO parts are manufactured to meet strict quality standards, providing reliable performance for emission control components. The 028129101D crankcase vent valve undergoes rigorous testing to ensure durability and fitment accuracy for Volkswagen vehicles. While specific warranty details are not provided, URO products typically come with a limited warranty against defects in materials and workmanship.

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1999VolkswagenJettaN/A
1998VolkswagenGolfN/A
1998VolkswagenJetta1.9LL4N/A
1997VolkswagenGolf1.9LL4N/A
1997VolkswagenJettaN/A
1997VolkswagenPassatN/A
1996VolkswagenGolf1.9LL4N/A
1996VolkswagenJetta1.9LL4N/A
1996VolkswagenPassatN/A
1995VolkswagenGolfN/A
1995VolkswagenJetta1.9LL4N/A
1995VolkswagenPassatDIESELN/A
1994VolkswagenGolfN/A
1994VolkswagenJetta1.9LL4N/A
1994VolkswagenPassat1.9LL4N/A
1993VolkswagenGolf1.9LL4N/A
1993VolkswagenJetta1.9LL4N/A
1993VolkswagenPassatDIESELN/A

* 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:

028 129 101D028129101D46073URO-008079V10-2270

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