21814036 Compatible Water Pump — Volvo FH

What does a water pump do?

This water pump is a critical component within the engine cooling system, designed to facilitate continuous coolant circulation between the engine and the radiator. Built to withstand high-temperature environments and heavy-duty operating conditions, it helps maintain stable thermal management during long service hours.

Compatible Volvo models and engines

This specific component is engineered for Volvo FH series trucks, including models such as the 420, 460, 500, and 540. It is also compatible with Volvo FH16 units equipped with the D16E engine. The part is designed to meet the rigorous demands of heavy commercial vehicle applications.

Installation and maintenance

For proper installation, technicians should inspect the mounting surfaces and ensure all seals are seated correctly to prevent leaks. It is recommended to inspect the pump and drive belts during routine engine maintenance to prevent unexpected failures due to bearing play or mechanical seal wear.

Selection guidance

When selecting a replacement, always verify compatibility with the specific engine code and chassis information to ensure correct fitment and flange alignment.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21814036.