Home » VW Passat B5 Water Pump for 1.9TDI/2.8V6, Genuine Auxiliary Engine Coolant Pump

VW Passat B5 Water Pump for 1.9TDI/2.8V6, Genuine Auxiliary Engine Coolant Pump

SKU: 1005009310309576-Default Title
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€72,64
-37% €116,22 €72,64

Keep your VW Passat B5 cooling system running smoothly with this Engine Coolant Auxiliary Water Pump. Designed as an OEM-matched replacement for models with 1.9TDI and 2.8V6 engines, this 12V pump ensures consistent coolant circulation to the radiator and heater core. By maintaining a steady flow, it helps prevent overheating, supports reliable heater performance, and contributes to overall engine longevity in daily driving and tougher conditions.

Key compatibility and build details ensure a practical fit for a wide range of Passat B5 variants. The unit lists OEM numbers 078121601 and 078121601B and Interchange Part Numbers 078-121-601 and 078-121-601-B. It features a durable plastic body, two-pin electrical connectors, and compact dimensions that suit the Front Axle installation space. Voltage is 12V, approximate weight 0.4 kg, and physical size is 9 cm (height) x 13 cm (length) x 11 cm (width). This pump is intended for Passat B5 1.9 TDI and 2.8 V6 configurations, spanning multiple model years and body styles within the B5/B5.5 generation.

OEM-matched replacement helps you restore original cooling performance without aftermarket compromise. This pump is ideal for owners maintaining or reviving Passat B5/B5.5 cooling systems, including both sedan and wagon variants across the listed engine options. Its reliable 12V operation and two-pin connection simplify installation for many common repair scenarios, reducing downtime and keeping your daily drive comfortable and safe.

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Benefits & Tips

  • Use as a replacement to restore proper coolant flow, preventing overheating and maintaining heater efficiency in daily commutes and longer trips.
  • Pair with a cooling system refresh for best results—check hoses, clamps, and coolant condition when installing the pump.
  • To ensure correct fitment, verify the OEM numbers 078121601 or 078121601B (and the Interchange Part Numbers 078-121-601 / 078-121-601-B) before purchasing.

Product specifications

  • Brand: MAX NOLOGY
  • Vehicle fitment: VW Passat B5 1.9 TDI, 2.8 V6 (various 3B2/3B5/3B6 models; Passat B5/B5.5, sedan and wagon)
  • Voltage: 12V
  • Material: Plastic
  • Number of connectors: 2 pins
  • OEM No.: 078121601, 078121601B
  • Interchange Part Number: 078-121-601, 078-121-601-B
  • Dimensions: 9 cm (H) x 13 cm (L) x 11 cm (W)
  • Weight: 0.4 kg
  • Placement on vehicle: Front Axle
  • Special features: Additional Water Pump
  • Warranty: 3 Years or 50,000 Kilometers
  • Origin: Mainland China

Package includes:

  • 1 piece of pump

Warnings/Reminders

  • To ensure fast and accurate fitment, please provide your vehicle VIN (17-character alphanumeric) when confirming parts compatibility. This helps us verify the exact part required for your Passat B5 model year and engine configuration.
  • Before installation, allow the cooling system to cool and handle coolant safely. After replacement, check for leaks and top up coolant if necessary.