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1669279 Volvo NL12 D12A Gearbox Valve

303.11.0021

Summary

This gearbox valve is designed for heavy commercial vehicle transmissions, specifically engineered for Volvo NL12 models equipped with D12A engines. It features M10 x 1.0 port sizes to ensure precise fluid control and durability under heavy-duty operating conditions. Equivalent to OE Volvo 1669279.

Product identifiers
EAN Code8699031057675
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Compatible OEM Codes

  • VOLVO
    • 267982
    • 1669298
    • 1669279
    • 1654352
    • 1068952

Description

What does a gearbox valve do?

This gearbox valve plays a critical role in the transmission system by regulating fluid pressure to facilitate smooth gear shifts. Manufactured with high-strength components, it is designed to withstand the intense pressure and temperature fluctuations typical of heavy commercial vehicle operations.

Vehicle and engine compatibility

This component is specifically fitted to Volvo NL12 trucks utilizing D12A engines. It serves as a reliable replacement for maintaining optimal transmission performance in heavy-duty service environments.

Installation and maintenance

For correct installation, technicians should verify that the M10 x 1.0 port connections are clean and free of debris. Ensuring proper torque on the M10 x 1.0 threads is essential to prevent leaks and maintain consistent hydraulic pressure within the gearbox assembly.

Troubleshooting guidance

Regular inspection of the valve during routine transmission servicing can help prevent unexpected downtime caused by shifting irregularities.

OE cross-reference

303.11.0021 (Gearbox Valve Transmission Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1669279.

Technical Specifications

Technical Specifications
Port 1M10 x 1.0
Port 2M10 x 1.0

Other OEMs

VOLVO

  • 267982
  • 1669298
  • 1669279
  • 1654352
  • 1068952

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS Magnum DXi12
VOLVO
VOLVO B10B D10A
VOLVO B10M D10A
VOLVO B12 D12A
VOLVO F10 TD102
VOLVO F12 TD122
VOLVO FH12 D12A
VOLVO FH12 D12C
VOLVO FH12 D12D
VOLVO FH16 D16C
VOLVO FL10 D10A
VOLVO FL10 TD102
VOLVO FL10 TD103
VOLVO FL12 TD122
VOLVO FL12 TD123
VOLVO FM10 D10A
VOLVO FM12 D12C
VOLVO FM12 D12D
VOLVO NH12 D12A
VOLVO NH12 D12C
VOLVO NL10 D10A
VOLVO NL12 D12A
VOLVO VHD D12
VOLVO VNL D12

FAQ

What is the primary function of this gearbox valve?
The valve regulates fluid flow and pressure within the transmission to ensure accurate and smooth gear transitions during vehicle operation.
Which vehicle models is this part compatible with?
This specific valve is designed for use in Volvo NL12 trucks that are equipped with the D12A engine.
What are the technical port specifications?
The unit features two ports, both designed with M10 x 1.0 threading to ensure a secure fitment in compatible systems.
When should I inspect the transmission valve?
It is recommended to inspect the valve during scheduled transmission maintenance or if shifting becomes irregular or difficult.
What are the OE reference numbers of this part?
303.11.0021 directly replaces Volvo OE number 1669279.