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A4222000501 Mercedes-Benz SK Water Pump
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A4222000501 Mercedes-Benz Water Pump

525.01.0025

Summary

This high-performance water pump is designed for Mercedes-Benz SK series engines, specifically for the OM 423 LA engine. It provides reliable coolant circulation within the engine cooling system to maintain optimal operating temperatures under heavy commercial vehicle loads. Equivalent to OE Mercedes-Benz A4222000501.

Product identifiers
EAN Code8699031076812
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Compatible OEM Codes

  • MERCEDES BENZ
    • 422 200 10 01
    • 422 200 05 01
    • 403 200 57 01

Description

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. By maintaining consistent fluid flow, it prevents thermal buildup and ensures the engine operates within its ideal temperature range, which is vital for preventing overheating during heavy-duty operations.

Engine and vehicle compatibility

This specific unit is designed for Mercedes-Benz SK models, including the 3250 A, 3250 AF, 3850 A, 4850 A, and 4050 A variants equipped with OM 423 LA engines. It provides a reliable replacement to ensure system integrity across these heavy commercial vehicle applications.

Maintenance and replacement

Technicians should inspect the pump for signs of leakage from the weep hole or unusual bearing noise during routine maintenance. It is recommended to replace the water pump in conjunction with belt services to ensure complete system reliability and prevent unplanned downtime in the field.

System reliability

Maintaining a stable cooling environment is essential for engine longevity in heavy trucks and tractor units. Always verify engine compatibility before installation to ensure correct fitment and sealing performance.

OE cross-reference

525.01.0025 (Water Pump Water Pumps) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4222000501.

Other OEMs

MERCEDES BENZ

  • A4222001001
  • A4222000501
  • A4032005701
  • 4222001001
  • 4222000501
  • 422.200.1001
  • 422.200.10.01
  • 422.200.0501
  • 422.200.05.01
  • 422 200 1001
  • 422 200 0501
  • 4032005701
  • 403.200.5701
  • 403.200.57.01
  • 403 200 5701
  • 422 200 10 01
  • 422 200 05 01
  • 403 200 57 01

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ SK 3250 A OM 423 LA
MERCEDES BENZ SK 3250 AF OM 423 LA
MERCEDES BENZ SK 3255 AF OM 443 LA
MERCEDES BENZ SK 3850 A OM 423 LA
MERCEDES BENZ SK 4050 A OM 423 LA
MERCEDES BENZ SK 4850 A OM 423 LA

FAQ

What is the function of this water pump?
The water pump circulates coolant throughout the engine and radiator to regulate operating temperatures and prevent overheating.
Which engines is this part compatible with?
This unit is specifically designed for use with Mercedes-Benz OM 423 LA engines found in various SK series models.
How can I identify a failing water pump?
Common symptoms include coolant leaks from the weep hole, unusual mechanical noise, or evidence of bearing play during operation.
When should I replace the cooling pump?
It is best practice to replace the water pump during scheduled maintenance intervals, especially when servicing timing or alternator belts.
What are the OE reference numbers of this part?
525.01.0025 directly replaces Mercedes-Benz OE number A4222000501.