1101 Views Updated 27 September 2026

403 200 53 01 Compatible Water Pump — Mercedes-Benz

525.01.0030

Summary

Reliable water pump designed for Mercedes-Benz AXOR trucks, specifically engineered for the OM 457 LA engine. This heavy-duty component ensures consistent coolant circulation to maintain optimal engine operating temperatures under high loads. 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?

A water pump is a critical component of the engine cooling system that continuously circulates coolant between the engine block and the radiator to prevent overheating.

Compatible Mercedes-Benz AXOR models

This water pump is designed for Mercedes-Benz AXOR heavy commercial vehicles, specifically compatible with the OM 457 LA engine. It is suitable for various models including the 1843 LS, 1840 LS, 1835 LS, 2543 LS, 2540 LS, and 2535 LS. These components are built to withstand the high-temperature and high-vibration environments typical of heavy-duty truck operations.

Installation and maintenance

For optimal performance, technicians should inspect the pump for signs of coolant leakage from the weep hole or unusual bearing noise during routine maintenance. When replacing this component, it is recommended to check the condition of the drive belts or gears to ensure the entire cooling system remains reliable.

Troubleshooting and selection

Selecting a high-strength component ensures long-term engine stability and prevents thermal damage during long-haul transport or heavy construction tasks. Consult your authorized distributor.

OE cross-reference

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

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 function of this water pump?

The water pump circulates coolant through the engine block and radiator to maintain the ideal operating temperature and prevent engine overheating.

Which Mercedes-Benz engines is this compatible with?

This specific unit is designed for use with Mercedes-Benz AXOR models equipped with the OM 457 LA engine.

How can I identify a failing water pump?

Common indicators include visible coolant leaks from the weep hole, unusual mechanical noises, or increased vibration in the cooling system.

Should I replace the belt when installing a new pump?

It is highly recommended to inspect or renew the drive belts or timing belts during water pump replacement to ensure system reliability.

What are the OE reference numbers of this part?

525.01.0030 directly replaces Mercedes-Benz OE number 4032005301.