VolvoHydraulic Parts

20451967 — Exhaust Brake Valve 20451967 20741660 20512836 For Volvo Truck Fh Fm Fm9 Bus B12B B12M B9R

This exhaust brake valve is an actuator that controls the engine's exhaust brake system, helping to slow the vehicle without using service brakes. It is built to meet stringent OEM quality standards for reliable operation and durability, unlike a worn valve that may leak or fail to actuate. Operators may notice reduced braking assistance, a persistent 'check engine' light, or unusual exhaust sounds when this valve is not functioning correctly.

Exhaust Brake Valve 20451967 20741660 20512836 For Volvo Truck Fh Fm Fm9 Bus B12B B12M B9R – Part No 20451967 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeExhaust Brake Valve
MaterialAluminum and Steel
ApplicationExhaust Brake System
Service LifeReplace as needed based on performance
CompatibilityVolvo specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The initial symptom of a failing exhaust brake valve is a reduction in the effectiveness of the exhaust brake system, making it harder to slow the vehicle. If the valve leaks or fails to operate, it can lead to increased wear on the service brakes and potentially trigger dashboard warning lights. Continued operation with a faulty valve compromises vehicle control, especially on downhill grades.

Installation Tip

Ensure the air supply to the valve is clean and dry, as moisture or debris can damage the internal components. Do not force the valve actuator during installation; it should move freely when properly connected.

Service Note

Inspect the air lines connected to the valve for leaks or damage, and check the exhaust brake linkage for proper movement.