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21781059 Volvo FM D11B Water Pump

525.03.0009

Summary

This high-strength water pump is designed specifically for Volvo FM models, including the FM 330, 450, 410, and 370 variants. It is engineered to provide reliable coolant circulation within the heavy commercial vehicle cooling system, ensuring optimal engine temperature regulation under demanding service conditions. Equivalent to OE Volvo 21781059.

Product identifiers
EAN Code8699031077208
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Compatible OEM Codes

  • VOLVO
    • 85020130
    • 23959595
    • 21974080
    • 21974078
    • 21969188
    • 21969187
    • 21812242
    • 21781059
    • 21648716
    • 21648712
    • 20921947
    • 20921917
  • RENAULT TRUCKS
    • 7485020174
    • 7423959597
    • 7421974080
    • 7421974078
    • 7421969188
    • 7421812242
    • 7421072414

Description

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, driving the circulation of coolant to prevent overheating. Manufactured with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle operations.

Compatible Volvo truck models

The unit is specifically fitted to Volvo trucks, including various FM series models such as the FM 330, FM 450, FM 410, and FM 370. It is also compatible with Volvo FM11 engines featuring the D11B configuration. This ensures precise fitment for fleet managers and workshop technicians performing engine overhauls or routine cooling system maintenance.

Installation and maintenance

For professional installation, technicians should verify the integrity of all coolant hoses and the thermostat performance during replacement. Ensuring correct mounting torque and using high-quality gaskets is essential to prevent leaks and maintain optimal pressure within the cooling circuit.

System reliability

Regular inspection of the pump impeller and bearing housing can help prevent unexpected downtime in heavy commercial fleets.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21781059.

Other OEMs

RENAULT TRUCKS

  • 7485020174
  • 7423959597
  • 7421974080
  • 7421974078
  • 7421969188
  • 7421812242
  • 7421072414

VOLVO

  • 85020130
  • 23959595
  • 21974080
  • 21974078
  • 21969188
  • 21969187
  • 21812242
  • 21781059
  • 21648716
  • 21648712
  • 20921947
  • 20921917

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MACK Anthem MP8
MACK Granite MP7
MACK Pinnacle MP8
RENAULT TRUCKS C DTI13
RENAULT TRUCKS C 380P
RENAULT TRUCKS C 380P XLOAD
RENAULT TRUCKS C 380PK
RENAULT TRUCKS C 380T
RENAULT TRUCKS C 380TK
RENAULT TRUCKS C 430P
RENAULT TRUCKS C 430P XLOAD
RENAULT TRUCKS C 430PK
RENAULT TRUCKS C 430T
RENAULT TRUCKS C 430TK
RENAULT TRUCKS C 460P
RENAULT TRUCKS C 460P XLOAD
RENAULT TRUCKS C 460PK
RENAULT TRUCKS C 460T
RENAULT TRUCKS C 460TK
RENAULT TRUCKS C C380
RENAULT TRUCKS C C430
RENAULT TRUCKS C C460
RENAULT TRUCKS D 18 P 380
RENAULT TRUCKS D 18 P 430
RENAULT TRUCKS D 18 T 380
RENAULT TRUCKS D 18 T 430
RENAULT TRUCKS D D380
RENAULT TRUCKS D D430
RENAULT TRUCKS K DTI11
RENAULT TRUCKS K 380P HEAVY
RENAULT TRUCKS K 380P MEDIUM
RENAULT TRUCKS K 380P XTREM
RENAULT TRUCKS K 380T HEAVY
RENAULT TRUCKS K 380T MEDIUM
RENAULT TRUCKS K 430P HEAVY
RENAULT TRUCKS K 430P MEDIUM
RENAULT TRUCKS K 430P XTREM
RENAULT TRUCKS K 430T HEAVY
RENAULT TRUCKS K 430T MEDIUM
RENAULT TRUCKS K 460P HEAVY
RENAULT TRUCKS K 460P MEDIUM
RENAULT TRUCKS K 460T HEAVY
RENAULT TRUCKS K 460T MEDIUM
RENAULT TRUCKS K 480P XTREM
RENAULT TRUCKS K K380
RENAULT TRUCKS K K430
RENAULT TRUCKS K K460
RENAULT TRUCKS Kerax DXi11
RENAULT TRUCKS KERAX 370.18
RENAULT TRUCKS KERAX 370.26
RENAULT TRUCKS KERAX 370.32
RENAULT TRUCKS KERAX 380.18
RENAULT TRUCKS KERAX 380.19
RENAULT TRUCKS KERAX 380.26
RENAULT TRUCKS KERAX 380.32
RENAULT TRUCKS KERAX 380.33
RENAULT TRUCKS KERAX 380.35
RENAULT TRUCKS KERAX 380.40
RENAULT TRUCKS KERAX 380.42
RENAULT TRUCKS KERAX 410.18
RENAULT TRUCKS KERAX 410.26
RENAULT TRUCKS KERAX 410.32
RENAULT TRUCKS KERAX 430.18
RENAULT TRUCKS KERAX 430.19
RENAULT TRUCKS KERAX 430.26
RENAULT TRUCKS KERAX 430.32
RENAULT TRUCKS KERAX 430.33
RENAULT TRUCKS KERAX 430.35
RENAULT TRUCKS KERAX 430.40
RENAULT TRUCKS KERAX 430.42
RENAULT TRUCKS KERAX 450.18
RENAULT TRUCKS KERAX 450.26
RENAULT TRUCKS KERAX 450.32
RENAULT TRUCKS KERAX 460.18
RENAULT TRUCKS KERAX 460.19
RENAULT TRUCKS KERAX 460.26
RENAULT TRUCKS KERAX 460.32
RENAULT TRUCKS KERAX 460.33
RENAULT TRUCKS KERAX 460.34
RENAULT TRUCKS KERAX 460.35
RENAULT TRUCKS KERAX 460.40
RENAULT TRUCKS KERAX 460.42
RENAULT TRUCKS Magnum DXi13
RENAULT TRUCKS Premium DXi11
RENAULT TRUCKS Premium DXi13
RENAULT TRUCKS PREMIUM 2 Distribution 370.18 D
RENAULT TRUCKS PREMIUM 2 Distribution 370.19 D
RENAULT TRUCKS PREMIUM 2 Distribution 370.26
RENAULT TRUCKS PREMIUM 2 Distribution 380.18
RENAULT TRUCKS PREMIUM 2 Distribution 380.19
RENAULT TRUCKS PREMIUM 2 Distribution 380.26
RENAULT TRUCKS PREMIUM 2 Distribution 410.18 D
RENAULT TRUCKS PREMIUM 2 Distribution 410.19 D
RENAULT TRUCKS PREMIUM 2 Distribution 410.26
RENAULT TRUCKS PREMIUM 2 Distribution 430.18
RENAULT TRUCKS PREMIUM 2 Distribution 430.19
RENAULT TRUCKS PREMIUM 2 Distribution 430.26
RENAULT TRUCKS PREMIUM 2 Distribution 450.18 D
RENAULT TRUCKS PREMIUM 2 Distribution 450.19 D
RENAULT TRUCKS PREMIUM 2 Distribution 460.18
RENAULT TRUCKS PREMIUM 2 Distribution 460.19
RENAULT TRUCKS PREMIUM 2 Lander 370.19
RENAULT TRUCKS PREMIUM 2 Lander 370.26
RENAULT TRUCKS PREMIUM 2 Lander 370.32
RENAULT TRUCKS PREMIUM 2 Lander 380.18
RENAULT TRUCKS PREMIUM 2 Lander 380.19
RENAULT TRUCKS PREMIUM 2 Lander 380.26
RENAULT TRUCKS PREMIUM 2 Lander 380.32
RENAULT TRUCKS PREMIUM 2 Lander 410.19
RENAULT TRUCKS PREMIUM 2 Lander 410.26
RENAULT TRUCKS PREMIUM 2 Lander 410.32
RENAULT TRUCKS PREMIUM 2 Lander 430.18
RENAULT TRUCKS PREMIUM 2 Lander 430.19
RENAULT TRUCKS PREMIUM 2 Lander 430.26
RENAULT TRUCKS PREMIUM 2 Lander 430.32
RENAULT TRUCKS PREMIUM 2 Lander 440.18
RENAULT TRUCKS PREMIUM 2 Lander 440.19
RENAULT TRUCKS PREMIUM 2 Lander 440.26
RENAULT TRUCKS PREMIUM 2 Lander 440.32
RENAULT TRUCKS PREMIUM 2 Lander 450.19
RENAULT TRUCKS PREMIUM 2 Lander 450.26
RENAULT TRUCKS PREMIUM 2 Lander 450.32
RENAULT TRUCKS PREMIUM 2 Lander 460.18
RENAULT TRUCKS PREMIUM 2 Lander 460.19
RENAULT TRUCKS PREMIUM 2 Lander 460.26
RENAULT TRUCKS PREMIUM 2 Lander 460.32
RENAULT TRUCKS PREMIUM 2 Route 370.18
RENAULT TRUCKS PREMIUM 2 Route 370.19
RENAULT TRUCKS PREMIUM 2 Route 370.26
RENAULT TRUCKS PREMIUM 2 Route 380.18
RENAULT TRUCKS PREMIUM 2 Route 380.19
RENAULT TRUCKS PREMIUM 2 Route 380.26
RENAULT TRUCKS PREMIUM 2 Route 410.18
RENAULT TRUCKS PREMIUM 2 Route 410.18 D
RENAULT TRUCKS PREMIUM 2 Route 410.19
RENAULT TRUCKS PREMIUM 2 Route 410.24
RENAULT TRUCKS PREMIUM 2 Route 410.25
RENAULT TRUCKS PREMIUM 2 Route 410.26
RENAULT TRUCKS PREMIUM 2 Route 430.18
RENAULT TRUCKS PREMIUM 2 Route 430.19
RENAULT TRUCKS PREMIUM 2 Route 430.24
RENAULT TRUCKS PREMIUM 2 Route 430.25
RENAULT TRUCKS PREMIUM 2 Route 430.26
RENAULT TRUCKS PREMIUM 2 Route 450.18
RENAULT TRUCKS PREMIUM 2 Route 450.18 D
RENAULT TRUCKS PREMIUM 2 Route 450.19
RENAULT TRUCKS PREMIUM 2 Route 450.24
RENAULT TRUCKS PREMIUM 2 Route 450.25
RENAULT TRUCKS PREMIUM 2 Route 450.26
RENAULT TRUCKS PREMIUM 2 Route 460.18
RENAULT TRUCKS PREMIUM 2 Route 460.19
RENAULT TRUCKS PREMIUM 2 Route 460.24
RENAULT TRUCKS PREMIUM 2 Route 460.25
RENAULT TRUCKS PREMIUM 2 Route 460.26
RENAULT TRUCKS T DTI13
RENAULT TRUCKS T 380P
RENAULT TRUCKS T 380P LOW
RENAULT TRUCKS T 380T
RENAULT TRUCKS T 380T LOW
RENAULT TRUCKS T 380T PUS
RENAULT TRUCKS T 380T TAG
RENAULT TRUCKS T 380T X-LOW
RENAULT TRUCKS T 430P
RENAULT TRUCKS T 430P LOW
RENAULT TRUCKS T 430T
RENAULT TRUCKS T 430T LOW
RENAULT TRUCKS T 430T PUS
RENAULT TRUCKS T 430T TAG
RENAULT TRUCKS T 430T X-LOW
RENAULT TRUCKS T 460P
RENAULT TRUCKS T 460P LOW
RENAULT TRUCKS T 460T
RENAULT TRUCKS T 460T LOW
RENAULT TRUCKS T 460T PUS
RENAULT TRUCKS T 460T TAG
RENAULT TRUCKS T 460T X-LOW
RENAULT TRUCKS T T380
RENAULT TRUCKS T T430
RENAULT TRUCKS T T460
VOLVO B11R D11A
VOLVO B11R D11K
VOLVO B13R D13B
VOLVO B13R D13K
VOLVO FH (FH4/FH5) D11K
VOLVO FH (FH4/FH5) D13K
VOLVO FH13 D13A
VOLVO FH13 D13B
VOLVO FH13 D13C
VOLVO FH16 D16E
VOLVO FH16 D16G
VOLVO FH16 D16K
VOLVO FM D11K
VOLVO FM D13K
VOLVO FM FM 330
VOLVO FM FM 370
VOLVO FM FM 410
VOLVO FM FM 450
VOLVO FM II FM 330
VOLVO FM II FM 370
VOLVO FM II FM 410
VOLVO FM II FM 450
VOLVO FM III 330
VOLVO FM III 380
VOLVO FM III 430
VOLVO FM III 460
VOLVO FM11 D11A
VOLVO FM11 D11B
VOLVO FM13 D13A
VOLVO FM13 D13B
VOLVO FM13 D13C
VOLVO FMX D11B
VOLVO FMX D11K
VOLVO FMX D13C
VOLVO FMX D13K
VOLVO FMX 330
VOLVO FMX 370
VOLVO FMX 410
VOLVO FMX 430
VOLVO FMX 450
VOLVO FMX II 330
VOLVO FMX II 370
VOLVO FMX II 410
VOLVO FMX II 450
VOLVO FMX III 330
VOLVO FMX III 370
VOLVO FMX III 380
VOLVO FMX III 410
VOLVO FMX III 430
VOLVO FMX III 450
VOLVO FMX III 460
VOLVO TAD1341-1345VE D13
VOLVO TAD1350-1360VE D13
VOLVO VHD D13
VOLVO VNL D13

FAQ

What is the function of this water pump?
This component circulates coolant through the engine block and radiator to maintain stable operating temperatures and prevent engine overheating.
Which Volvo models does this part fit?
It is designed for Volvo FM series trucks, specifically models such as the FM 330, 450, 410, and 370, as well as engines like the D11B.
What symptoms indicate a failing water pump?
Common signs include coolant leaks around the housing, unusual grinding noises from the engine, or rising engine temperature gauges during operation.
How should I ensure correct fitment?
Technicians should verify that the mounting points and port configurations match the original equipment specifications for your specific Volvo engine model.
What are the OE reference numbers of this part?
525.03.0009 directly replaces Volvo OE number 21781059.