VolvoHydraulic Parts

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

This is an exhaust brake control valve, essential for regulating the engagement and disengagement of the engine's exhaust brake system in Volvo trucks and buses. Manufactured to meet precise OEM specifications, it ensures reliable and responsive braking assistance, unlike a faulty valve that can lead to inconsistent or failed exhaust brake operation. Operators may notice a lack of braking effect, a warning light on the dashboard, or unusual noises from the exhaust system when this valve malfunctions.

Exhaust Brake Valve 20451967 20741660 20512836 For Volvo Truck Fh Fm Fm9 Bus B12B B12M B9R – Part No 20741660 – 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 Control Valve
MaterialAluminum alloy and durable seals
ApplicationExhaust brake system control
Service LifeReplace as needed based on diagnostic codes or performance issues
CompatibilityVolvo Truck Fh, Fm, Fm9; Bus B12B, B12M, B9R
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a problem is often the exhaust brake failing to engage or disengage properly, or a dashboard warning light related to the braking system. If ignored, the system may become completely inoperable, leading to increased wear on the service brakes and a reduced ability to control speed on gradients. Continued operation without a functional exhaust brake increases the risk of brake fade and potential loss of vehicle control.

Installation Tip

Ensure all air lines are properly connected and free of leaks after installation, as even small leaks can affect valve operation. Avoid overtightening the mounting bolts, which can distort the valve body.

Service Note

Inspect the exhaust brake actuator and linkage for any signs of binding or damage when replacing the control valve.