1590 Views Updated 27 September 2026

1787120 Scania R I DC 12 Water Pump

525.04.0004

Summary

This heavy-duty water pump is designed specifically for Scania R I series vehicles equipped with DC 12 engines. It serves as a vital component within the engine cooling system to maintain optimal thermal management. Equivalent to OE Scania 1787120.

Product identifiers
EAN Code	8699031077413

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Compatible OEM Codes

SCANIA
- 570965
- 1787120

Description

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. Built with high-strength components, it ensures consistent thermal regulation under heavy-duty operating conditions to prevent engine overheating.

Compatible vehicles and engines

This specific component is designed for Scania R I models, including the R420, R380, and R340 variants featuring the DC 12 engine. It provides a reliable replacement for original equipment to maintain peak performance in heavy commercial vehicles.

Installation and maintenance

When performing maintenance, it is recommended to inspect the pump alongside the belt service intervals to ensure system integrity. Proper installation ensures efficient coolant flow through the engine block and radiator.

Troubleshooting guidance

Check the compatibility list.

OE cross-reference

525.04.0004 (Water Pump Water Pumps) is the equivalent of the Scania OE number. This part directly replaces Scania OE number 1787120.

Other OEMs

SCANIA

570965
1787120

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 primary function of this water pump?

The water pump circulates coolant throughout the engine and radiator to maintain stable operating temperatures and prevent overheating.

Which Scania models is this part compatible with?

This unit is designed for Scania R I models, specifically compatible with R420, R380, and R340 variants using DC 12 engines.

What are common signs of a failing water pump?

Technicians should look for coolant leaks from the weep hole, unusual bearing noise, or excessive play in the pump shaft.

When should I replace the water pump?

It is advisable to inspect or renew the pump during routine timing belt or alternator belt service intervals to prevent unexpected failure.

What are the OE reference numbers of this part?

525.04.0004 directly replaces Scania OE number 1787120.