VolvoSuspension & Chassis

20865937 Companion Flange 61 Teeth Gearbox — Volvo

This companion flange is a critical component of the gearbox, featuring 61 teeth that engage with other drivetrain elements to transmit power. It is manufactured to meet stringent Volvo quality standards, ensuring durability and precise fitment compared to worn or damaged flanges. Operators may notice excessive noise, vibration, or a complete loss of drive if this component fails.

Companion Flange 61 Teeth Gearbox – Part No 20865937 – Volvo Spare Part
Part Specifications
BrandVolvo
CategorySuspension & Chassis
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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Cross References & OEM Numbers

Alternate part numbers that interchange with Volvo 20865937

Fitment: Renault Trucks Drive Flange, Gearbox (Used)

Installation & Application Notes

Torque all suspension fasteners to specification — under-torque causes wear, over-torque causes fatigue cracking. Replace bushings in pairs. Grease all zerks after fitting. Check alignment after suspension work.

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

Part TypeCompanion Flange
MaterialForged steel
ApplicationGearbox output shaft
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing companion flange is often an audible clunking noise during gear changes or acceleration. If left unaddressed, this can lead to increased vibration and premature wear on adjacent gearbox components. Continued operation with a damaged flange risks compromising the entire drivetrain's integrity.

Installation Tip

Ensure the gearbox output shaft splines are clean and free of debris before attempting installation. Avoid using excessive force or hammering the flange into place, as this can damage the splines or the flange itself.

Service Note

Inspect the gearbox output shaft seal and the universal joint for wear or damage when replacing the companion flange.