1101 Views Updated 27 September 2026

525.01.0030 Mercedes-Benz Compatible Water Pump

525.01.0030

Summary

This heavy-duty water pump is designed for Mercedes-Benz AXOR 2, SK, and AXOR engines, specifically for OM 457 LA, OM 402 LA, and M 447 G engine configurations. It ensures reliable coolant circulation to maintain stable engine operating temperatures in heavy commercial vehicles. Equivalent to OE Mercedes-Benz 4032005301.

Product identifiers
EAN Code	8699031076874

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Compatible OEM Codes

MERCEDES BENZ
- 403 200 73 01
- 403 200 53 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 steady flow, it prevents overheating and protects the engine from thermal stress during heavy-duty operation. VADEN ORIGINAL provides high-strength components designed to withstand the rigorous demands of heavy commercial vehicle service.

Compatible Mercedes-Benz models and engines

This specific model is compatible with various Mercedes-Benz vehicle series including AXOR 2 (such as 2636 B, 3240, and 2543 L), SK models (including 3538 and 2638), AXOR (1843 LS and 2540 LS), and MK (1824 and 2524 L). It is engineered to fit engines such as the OM 457 LA, OM 402 LA, and M 447 G. For exact compatibility, verifying the engine code is recommended.

Installation and maintenance guidance

To ensure optimal performance, technicians should inspect the pump during routine belt services. When replacing this component, it is advisable to check the integrity of the cooling system hoses and the condition of the thermostat. Proper installation ensures the mechanical seal maintains its integrity under high pressure.

Troubleshooting and prevention

Regular maintenance of the cooling system helps prevent common failure symptoms like coolant leaks or abnormal noise. Maintaining a clean cooling circuit ensures this pump functions effectively throughout its service life in demanding environments.

OE cross-reference

525.01.0030 (Water Pump Water Pumps) is the equivalent of the Mercedes-Benz OE numbers. This part directly replaces Mercedes-Benz OE numbers 4032005301, 4032007301.

Other OEMs

MERCEDES BENZ

A4032007301
A4032005301
4032007301
4032005301
403.200.7301
403.200.73.01
403.200.5301
403.200.53.01
403 200 7301
403 200 5301
403 200 73 01
403 200 53 01

Compatible Vehicles

Compatible Vehicles
Brand	Model	Model Type	Engine
MERCEDES BENZ	AXOR	1835 LS	OM 457 LA
MERCEDES BENZ	AXOR	1840 LS	OM 457 LA
MERCEDES BENZ	AXOR	1843 LS	OM 457 LA
MERCEDES BENZ	AXOR	2535 LS	OM 457 LA
MERCEDES BENZ	AXOR	2540 LS	OM 457 LA
MERCEDES BENZ	AXOR	2543 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	1835 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	1836 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	1840 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	1843 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2435 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2436 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2440 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2443 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2535 L	OM 457 LA
MERCEDES BENZ	AXOR 2	2535 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2536 L	OM 457 LA
MERCEDES BENZ	AXOR 2	2536 LL	OM 457 LA
MERCEDES BENZ	AXOR 2	2536 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2540 L	OM 457 LA
MERCEDES BENZ	AXOR 2	2540 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2543 L	OM 457 LA
MERCEDES BENZ	AXOR 2	2543 LS	OM 457 LA
MERCEDES BENZ	AXOR 2	2543 S	OM 457 LA
MERCEDES BENZ	AXOR 2	2635 B	OM 457 LA
MERCEDES BENZ	AXOR 2	2635 K	OM 457 LA
MERCEDES BENZ	AXOR 2	2636 B	OM 457 LA
MERCEDES BENZ	AXOR 2	2636 K	OM 457 LA
MERCEDES BENZ	AXOR 2	2640 B	OM 457 LA
MERCEDES BENZ	AXOR 2	2640 K	OM 457 LA
MERCEDES BENZ	AXOR 2	2643 B	OM 457 LA
MERCEDES BENZ	AXOR 2	2643 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3235 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3235 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3236 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3236 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3240	OM 457 LA
MERCEDES BENZ	AXOR 2	3240 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3240 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3243	OM 457 LA
MERCEDES BENZ	AXOR 2	3243 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3243 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3335	OM 457 LA
MERCEDES BENZ	AXOR 2	3335 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3335 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3335 S	OM 457 LA
MERCEDES BENZ	AXOR 2	3336 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3336 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3340	OM 457 LA
MERCEDES BENZ	AXOR 2	3340 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3340 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3340 S	OM 457 LA
MERCEDES BENZ	AXOR 2	3341	OM 457 LA
MERCEDES BENZ	AXOR 2	3341 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3341 S	OM 457 LA
MERCEDES BENZ	AXOR 2	3343	OM 457 LA
MERCEDES BENZ	AXOR 2	3343 B	OM 457 LA
MERCEDES BENZ	AXOR 2	3343 K	OM 457 LA
MERCEDES BENZ	AXOR 2	3343 S	OM 457 LA
MERCEDES BENZ	AXOR 2	4135 B	OM 457 LA
MERCEDES BENZ	AXOR 2	4135 K	OM 457 LA
MERCEDES BENZ	AXOR 2	4136 B	OM 457 LA
MERCEDES BENZ	AXOR 2	4136 K	OM 457 LA
MERCEDES BENZ	AXOR 2	4140 B	OM 457 LA
MERCEDES BENZ	AXOR 2	4140 K	OM 457 LA
MERCEDES BENZ	AXOR 2	4143 B	OM 457 LA
MERCEDES BENZ	AXOR 2	4143 K	OM 457 LA
MERCEDES BENZ	AXOR 2	LL	OM 457 LA
MERCEDES BENZ	AXOR 2	LLS	OM 457 LA
MERCEDES BENZ	MK	1824	M 447 G
MERCEDES BENZ	MK	2524 L	M 447 G
MERCEDES BENZ	SK	2638	OM 402 LA
MERCEDES BENZ	SK	2638 L	OM 402 LA
MERCEDES BENZ	SK	3538	OM 402 LA

FAQ

What is the primary function of this water pump?

The water pump circulates coolant through the engine block and radiator to maintain the ideal operating temperature for heavy-duty engines.

Which Mercedes-Benz engines are compatible with this part?

This unit is designed for Mercedes-Benz engines including the OM 457 LA, OM 402 LA, and M 447 G series.

When should I replace my water pump?

It is recommended to inspect the pump during belt replacement intervals or if signs of leakage or unusual noise from the cooling system appear.

Does this part fit Mercedes-Benz AXOR or SK trucks?

Yes, it is compatible with various Mercedes-Benz AXOR, AXOR 2, SK, MK, and related heavy commercial vehicle models.

What are the OE reference numbers of this part?

525.01.0030 directly replaces Mercedes-Benz OE numbers 4032005301, 4032007301.