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030.121.005 N Engine Cooling Water Pump for VW & Audi A3 A4, 030121005
030.121.005 N Engine Cooling Water Pump is suitable for replacing original vehicle water pumps that leak, make abnormal noises, fail to dissipate heat, have excessively high engine water temperature, or have excessively rapid coolant loss; also suitable for routine engine maintenance, timing system overhauls, and vehicle repair and refurbishment.
030121005 N Engine Cooling Water Pump for VW Audi A3 A4
OE Number: 030.121.005 N, 030121005N
Product Name: Engine Cooling Water Pump Assembly
Product Type: replacement, not orignal product
Usage: for aftermarket
Drive Method: Timing belt driven, synchronized with the engine timing system
Core Materials: High-strength aluminum alloy pump body, thickened metal impeller, high-precision bearings, double-layer mechanical water seal, original factory specification gasket
Compatible Engine Models: Volkswagen Audi Group 1.4L, 1.6L, 1.8L inline four-cylinder naturally aspirated and turbocharged engines: AKL, AEH, ADP, APF, AUD, ANB, AWP, etc.
Compatible Models:
- Audi: A3 (8L), A4 (B5) -This is information is based on Audi automotive parts
- Volkswagen: Jetta, Bora, Golf 3/4, Passat B4, Santana 2000/3000, Beetle, Polo. This information is based on Volkswagen Genuine Parts
- Skoda, SEAT: All models equipped with the above engines
Interchangeable Part Number
030 121 005, 030.121.005 A/B/C/D/E/G/H/J/L/M, 032 121 005, 036 121 005
*RJT also offers other plenty of water pump.
Other information on 030121005 N Engine Cooling Water Pump
It provides reliable cooling for naturally aspirated and turbocharged inline four‑cylinder engines, and works well for many engine setups.
The thickened metal impeller supports efficient water flow. It keeps the engine at an ideal temperature.
High‑precision bearings lower friction and wear. They extend service life and ensure smooth operation.
The double‑layer mechanical water seal stops leakage. The gasket follows original factory specs. It ensures a tight and secure installation.
It fits many popular models across brands.
- For Audi: A3 (8L) and A4 (B5).
- For Volkswagen: Jetta, Bora, Golf 3/4, Passat B4, Santana 2000/3000, Beetle, and Polo.
- It also fits Skoda and SEAT models with these engines.





