VolvoEngine Parts

20869780 — 6 Set Piston Ring 20869780 85103700 For Volvo Engine D9A D9B Tad940Ge Tad941Ve Tad950Ve Truck A25D A30D Fh10 Fh9 Fmx11 Fmx16 Nh13 Nh9

This piston ring set is a vital component within the engine's cylinders, forming a seal between the piston and the cylinder wall to prevent combustion gases from escaping and oil from entering the combustion chamber. It is manufactured to precise Volvo specifications, ensuring superior sealing and reduced friction compared to worn rings. Symptoms of worn piston rings include increased oil consumption, blue exhaust smoke, and a noticeable loss of engine power.

6 Set Piston Ring 20869780 85103700 For Volvo Engine D9A D9B Tad940Ge Tad941Ve Tad950Ve Truck A25D A30D Fh10 Fh9 Fmx11 Fmx16 Nh13 Nh9 – Part No 20869780 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryEngine 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

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

Part TypePiston Ring Set
MaterialCast iron or steel alloy with specialized coatings
ApplicationEngine cylinder and piston assembly
Service LifeReplace during engine overhaul or when diagnosed as worn
Compatibility20869780, 85103700
ConditionNew — OEM specification aftermarket

Failure Symptoms

An early indicator of worn piston rings is a gradual increase in engine oil consumption and visible blue smoke from the exhaust. If ignored, this can lead to reduced engine power, poor fuel economy, and potential cylinder wall scoring. The ultimate consequence is severe engine damage due to loss of compression and lubrication failure.

Installation Tip

Carefully clean the piston ring grooves to remove all carbon deposits before installing the new rings. Ensure the ring gaps are staggered correctly according to the service manual specifications.

Service Note

When replacing piston rings, it is essential to inspect the cylinder walls for wear or damage and hone the cylinders if necessary.