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303.11.0129 Exhaust Brake Valve, Engine

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303.11.0129 Compatible Exhaust Brake Valve for Volvo

303.11.0129

Summary

This heavy-duty exhaust brake valve is designed for engine brake systems in Volvo and Renault Trucks. It functions by restricting exhaust gas flow to facilitate compression braking in heavy commercial vehicles. Engineered with high-strength components to ensure reliable performance in demanding environments. Equivalent to OE Renault Trucks 7423490065 and Volvo 23490065.

Product identifiers
EAN Code8683457077942
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Compatible OEM Codes

  • VOLVO
    • 23991108
    • 23490065
  • RENAULT TRUCKS
    • 7423991108
    • 7423490065

Description

What does an exhaust brake valve do?

The exhaust brake valve plays a critical role in the engine braking system of heavy commercial vehicles by restricting exhaust gas flow to engage compression braking. This mechanism helps manage vehicle speed, especially during long descents or heavy load operations, reducing the reliance on service brakes.

Compatible vehicles and engines

This component is compatible with several heavy-duty models, including Volvo FH (FH4/FH5), FH16, FM, FMX, VNL, B11R, B13R, and TAD1350-1360VE engines. It is also fitted to Renault Trucks C, K, and T models featuring DTI11 and DTI13 engines, as well as Mack Anthem with MP8 engines. These parts are designed to meet the rigorous demands of the heavy commercial vehicle sector.

Installation and maintenance

For proper maintenance, technicians should inspect the valve and pneumatic actuators during routine engine service intervals. Checking for leaks or improper flap movement can prevent sudden loss of braking assistance. Ensure all mounting hardware is secure and seals are intact to maintain optimal system pressure.

System selection guidance

Proper selection ensures seamless integration with existing engine management systems. Consult your authorized distributor to confirm specific fitment for your engine type.

OE cross-reference

303.11.0129 (Exhaust Brake Valve) is the equivalent of the Renault Trucks and Volvo OE numbers. This part directly replaces Renault Trucks OE numbers 7423490065, 7423991108. It also replaces Volvo OE numbers 23490065, 23991108.

Other OEMs

RENAULT TRUCKS

  • 7423991108
  • 7423490065

VOLVO

  • 23991108
  • 23490065

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MACK Anthem MP8
RENAULT TRUCKS
RENAULT TRUCKS C DTI13
RENAULT TRUCKS K DTI11
RENAULT TRUCKS T DTI13
VOLVO
VOLVO B11R D11K
VOLVO B13R D13K
VOLVO FH (FH4/FH5) D11K
VOLVO FH (FH4/FH5) D13K
VOLVO FH16 D16K
VOLVO FM D11K
VOLVO FM D13K
VOLVO FMX D11K
VOLVO FMX D13K
VOLVO TAD1350-1360VE D13
VOLVO VNL D13

FAQ

What is the function of an exhaust brake valve?
It restricts the flow of exhaust gases to increase in-cylinder pressure, which assists in slowing the vehicle through compression braking.
Which vehicle brands are compatible with this part?
This valve is designed for use in Volvo and Renault Trucks, as well as Mack vehicles equipped with specific engine configurations.
How can I identify a faulty exhaust brake valve?
Technicians may notice a decrease in braking performance during descents or audible air leaks within the exhaust manifold area.
Is this component suitable for heavy commercial vehicles?
Yes, it is specifically engineered for heavy-duty applications such as trucks, buses, and construction machinery.
What are the OE reference numbers of this part?
303.11.0129 directly replaces Renault Trucks OE numbers 7423490065, 7423991108. It also replaces Volvo OE numbers 23490065, 23991108.