3765 Views Updated 27 September 2026

1787123 Scania 4 - series Water Pump

525.04.0006

Summary

High-performance water pump designed for Scania 4 - series heavy commercial vehicles. This component ensures reliable coolant circulation for DSC 9 engines, maintaining optimal engine temperatures under heavy-duty operating conditions. Equivalent to OE Scania 1787123.

Product identifiers
EAN Code	8699031077437

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Compatible OEM Codes

SCANIA
- 570965
- 570964
- 570959
- 1789522
- 1787123
- 1787120
- 1546188
- 1533783

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 and the radiator to prevent overheating. Built with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses found in heavy commercial vehicle applications.

Compatible vehicles and engines

This specific part is engineered for Scania 4 - series trucks, particularly those equipped with DSC 9 engines. It is compatible with various configurations including the 94 L/310, 94 G/260, 94 C/260, and several other models within the 4 - series range. This ensures precise fitment for fleet maintenance and engine overhauls.

Installation and maintenance

To ensure optimal performance, technicians should inspect the pump during routine belt services. Key indicators for replacement include coolant leakage from the weep hole or unusual bearing noise. Maintaining the integrity of the mechanical seal and impeller is vital for preventing engine overheating during long-haul operations.

Troubleshooting and selection

Consult your authorized distributor to verify specific fitment details for your vehicle's engine configuration.

OE cross-reference

525.04.0006 (Water Pump Water Pumps) is the equivalent of the Scania OE number. This part directly replaces Scania OE number 1787123.

Other OEMs

SCANIA

570965
570964
570959
1789522
1787123
1787120
1546188
1533783

Compatible Vehicles

Compatible Vehicles
Brand	Model	Model Type	Engine
SCANIA	4 - series	114 C/330	DC 11
SCANIA	4 - series	114 C/340	DC 11
SCANIA	4 - series	114 C/340	DSC 11
SCANIA	4 - series	114 C/360	DSC 11
SCANIA	4 - series	114 C/380	DC 11
SCANIA	4 - series	114 G/320	DSC 11
SCANIA	4 - series	114 G/330	DC 11
SCANIA	4 - series	114 G/340	DC 11
SCANIA	4 - series	114 G/340	DSC 11
SCANIA	4 - series	114 G/380	DC 11
SCANIA	4 - series	114 L/330	DC 11
SCANIA	4 - series	114 L/340	DC 11
SCANIA	4 - series	114 L/340	DSC 11
SCANIA	4 - series	114 L/380	DC 11
SCANIA	4 - series	114C 260 CNG	OSC 11
SCANIA	4 - series	114G 260	OSC 11
SCANIA	4 - series	114G 260 CNG	OSC 11
SCANIA	4 - series	114L 260 CNG	OSC 11
SCANIA	4 - series	124 /G420	DC 12
SCANIA	4 - series	124 /G420	DSC 12
SCANIA	4 - series	124 C/360	DSC 12
SCANIA	4 - series	124 C/400	DC 12
SCANIA	4 - series	124 C/400	DSC 12
SCANIA	4 - series	124 C/420	DC 12
SCANIA	4 - series	124 C/420	DSC 12
SCANIA	4 - series	124 C/440	DT 12
SCANIA	4 - series	124 C/470	DT 12
SCANIA	4 - series	124 G/360	DSC 12
SCANIA	4 - series	124 G/400	DC 12
SCANIA	4 - series	124 G/400	DSC 12
SCANIA	4 - series	124 G/420	DC 12
SCANIA	4 - series	124 G/420	DSC 12
SCANIA	4 - series	124 G/440	DT 12
SCANIA	4 - series	124 G/470	DT 12
SCANIA	4 - series	124 L/360	DSC 12
SCANIA	4 - series	124 L/400	DC 12
SCANIA	4 - series	124 L/400	DSC 12
SCANIA	4 - series	124 L/420	DC 12
SCANIA	4 - series	124 L/420	DSC 12
SCANIA	4 - series	124 L/440	DT 12
SCANIA	4 - series	124 L/470	DT 12
SCANIA	4 - series	94 /G260	DC 9
SCANIA	4 - series	94 /G260	DSC 9
SCANIA	4 - series	94 C/220	DSC 9
SCANIA	4 - series	94 C/260	DC 9
SCANIA	4 - series	94 C/260	DSC 9
SCANIA	4 - series	94 C/300	DC 9
SCANIA	4 - series	94 C/310	DC 9
SCANIA	4 - series	94 C/310	DSC 9
SCANIA	4 - series	94 D/220	DSC 9
SCANIA	4 - series	94 D/230	DC 9
SCANIA	4 - series	94 D/260	DC 9
SCANIA	4 - series	94 D/260	DSC 9
SCANIA	4 - series	94 D/270	DC 9
SCANIA	4 - series	94 D/300	DC 9
SCANIA	4 - series	94 D/310	DC 9
SCANIA	4 - series	94 D/310	DSC 9
SCANIA	4 - series	94 G/220	DSC 9
SCANIA	4 - series	94 G/230	DC 9
SCANIA	4 - series	94 G/260	DC 9
SCANIA	4 - series	94 G/260	DSC 9
SCANIA	4 - series	94 G/270	DC 9
SCANIA	4 - series	94 G/300	DC 9
SCANIA	4 - series	94 G/310	DSC 9
SCANIA	4 - series	94 L/260	DC 9
SCANIA	4 - series	94 L/260	DSC 9
SCANIA	4 - series	94 L/300	DC 9
SCANIA	4 - series	94 L/310	DSC 9
SCANIA	4 - series	T 114 C/340	DC 11
SCANIA	4 - series	T 114 C/340	DSC 11
SCANIA	4 - series	T 114 C/380	DC 11
SCANIA	4 - series	T 114 G/340	DC 11
SCANIA	4 - series	T 114 G/340	DSC 11
SCANIA	4 - series	T 114 G/380	DC 11
SCANIA	4 - series	T 114 L/340	DC 11
SCANIA	4 - series	T 114 L/340	DSC 11
SCANIA	4 - series	T 124 C/360	DSC 12
SCANIA	4 - series	T 124 C/400	DSC 12
SCANIA	4 - series	T 124 C/420	DC 12
SCANIA	4 - series	T 124 C/420	DSC 12
SCANIA	4 - series	T 124 G/360	DSC 12
SCANIA	4 - series	T 124 G/400	DSC 12
SCANIA	4 - series	T 124 L/360	DSC 12
SCANIA	4 - series	T 124 L/400	DSC 12
SCANIA	4 - series	T 124 L/420	DC 12
SCANIA	4 - series	T 124 L/420	DSC 12
SCANIA	4 - series	T 124 L/470	DT 12
SCANIA	4 - series	T 94 C/260	DSC 9
SCANIA	4 - series	T 94 C/310	DSC 9
SCANIA	4 - series	T 94 G/220	DSC 9
SCANIA	4 - series	T 94 G/230	DC 9
SCANIA	4 - series	T 94 G/260	DSC 9
SCANIA	4 - series	T 94 G/310	DC 9
SCANIA	4 - series	T 94 G/310	DSC 9
SCANIA	4 - series	T 94 L/310	DSC 9
SCANIA	G I	G230	DC 9
SCANIA	G I	G270	DC 9
SCANIA	G I	G270 Ethanol	DC 9
SCANIA	G I	G310	DC 09
SCANIA	G I	G310	DC 9
SCANIA	G I	G340	DC 11
SCANIA	G I	G340	DC 12
SCANIA	G I	G380	DC 12
SCANIA	G I	G420	DC 12
SCANIA	G I	G420	DT 12
SCANIA	G I	G440	DT 12
SCANIA	G I	G470	DT 12
SCANIA	G I	G480	DT 12
SCANIA	P I	P230	DC 9
SCANIA	P I	P250	DC 09
SCANIA	P I	P250	DC 9
SCANIA	P I	P270	DC 9
SCANIA	P I	P270 Ethanol	DC 9
SCANIA	P I	P310	DC 09
SCANIA	P I	P310	DC 9
SCANIA	P I	P340	DC 11
SCANIA	P I	P340	DC 12
SCANIA	P I	P380	DC 11
SCANIA	P I	P380	DC 12
SCANIA	P I	P420	DC 12
SCANIA	P I	P420	DT 12
SCANIA	P I	P470	DT 12
SCANIA	P I	P480	DT 12
SCANIA	R I	R230	DC 9
SCANIA	R I	R270	DC 9
SCANIA	R I	R310	DC 9
SCANIA	R I	R340	DC 11
SCANIA	R I	R340	DC 12
SCANIA	R I	R380	DC 11
SCANIA	R I	R380	DC 12
SCANIA	R I	R420	DC 12
SCANIA	R I	R420	DT 12
SCANIA	R I	R440	DT 12
SCANIA	R I	R470	DT 12
SCANIA	R I	R480	DT 12
SCANIA	T	T340	DC 11
SCANIA	T	T340	DC 12
SCANIA	T	T380	DC 11
SCANIA	T	T380	DC 12
SCANIA	T	T420	DC 12
SCANIA	T	T420	DT 12
SCANIA	T	T470	DT 12

FAQ

What is the function of this water pump?

It circulates coolant throughout the engine cooling system to regulate operating temperatures and prevent engine overheating.

Which engines is this part compatible with?

This part is specifically designed for use in Scania 4 - series engines, primarily the DSC 9 engine family.

How can I identify a failing water pump?

Technicians should look for signs such as coolant leaks from the weep hole, bearing noise, or excessive play in the shaft.

When should I replace the water pump?

It is recommended to inspect or renew the pump during scheduled maintenance of the timing belt or alternator belt systems.

What are the OE reference numbers of this part?

525.04.0006 directly replaces Scania OE number 1787123.