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330.03.0021 Steering pump, Steering
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330.03.0021 Volvo Compatible Steering Pump

330.03.0021

Summary

This steering pump is designed for Volvo trucks including F12, FH12, and FL12 models. It features a clockwise rotation, 180 Bar pressure rating, and M26x1.5/M18x1.5 port sizes to ensure precise hydraulic assist. Equivalent to OE Volvo 3986330 and ZF 7685974704.

Product identifiers
EAN Code8699031094236
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Compatible OEM Codes

  • VOLVO
    • 85006180
    • 8500047
    • 85000180
    • 3986330
  • ZF
    • 7685 974 704

Description

What does a steering pump do?

This steering pump serves as a critical component within the hydraulic power steering system, generating the necessary pressure to assist in steering maneuvers. Built with high-strength components, it is engineered to withstand the demanding operating conditions of heavy commercial vehicles.

Compatible Volvo models and engines

The unit is compatible with various Volvo truck series such as the F7, F10, F12, FL10, FL12, N10, N12, NH12, NL10, NL12, B10B, B10M, and B12. It fits a wide range of engines including TD70, TD71, TD100, TD101, TD102, TD103, TD120, TD121, TD122, TD123, D70, D71, D90A, D10A, and D12A engines.

Installation and maintenance

To ensure correct installation, technicians should verify the clockwise rotation requirement and confirm the port sizes of M26x1.5 and M18x1.5. Maintaining the system according to manufacturer intervals helps preserve the integrity of the seals and internal components.

System troubleshooting

When replacing this component, always check the hydraulic fluid levels and inspect for any leaks in the connecting lines to prevent premature wear.

OE cross-reference

330.03.0021 (Steering pump) is the equivalent of the Volvo and ZF OE numbers. This part directly replaces Volvo OE numbers 3986330, 85000180, 8500047, 85006180. It also replaces ZF OE number 7685974704.

Technical Specifications

Technical Specifications
Pressure180 Bar
Clockwiseok
Port 1M26x1,5
Port 2M18x1,5

Other OEMs

VOLVO

  • 85006180
  • 8500047
  • 85000180
  • 3986330

ZF

  • 7685 974 704

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B10M TD100
VOLVO B12 D12A
VOLVO B12 TD120
VOLVO F10 TD100
VOLVO F10 TD101
VOLVO F10 TD102
VOLVO F12 TD120
VOLVO F12 TD121
VOLVO F12 TD122
VOLVO F7 TD70
VOLVO F7 TD71
VOLVO FH12 D12A
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO N10 TD100
VOLVO N10 TD101
VOLVO N12 TD120
VOLVO N12 TD122
VOLVO NH12 D12A
VOLVO NL10 D10A
VOLVO NL12 D12A
ZF

FAQ

What is the function of this steering pump?
This component generates the hydraulic pressure required to provide assistance to the vehicle's steering system, ensuring manageable handling.
Which Volvo models is this pump compatible with?
It is designed for several models including Volvo F7, F10, F12, FL series, N series (N10/N12/NH/NL), B series (B10/B12), and FH/NH series.
What are the technical specifications of this unit?
The pump operates at a pressure of 180 Bar with a clockwise rotation and features M26x1.5 and M18x1.5 port sizes.
How can I identify if my steering pump needs replacement?
Technicians should look for symptoms such as increased steering effort or audible whining from the engine bay while turning.
What are the OE reference numbers of this part?
330.03.0021 directly replaces Volvo OE numbers 3986330, 85000180, 8500047, 85006180. It also replaces ZF OE number 7685974704.