VolvoEngine Parts

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

This set of six piston rings is essential for maintaining proper compression and oil control within Volvo D9A and D9B engines, critical for efficient combustion and engine longevity. Manufactured to precise OEM tolerances, these rings create a seal between the piston and cylinder wall, preventing blow-by and oil consumption, unlike worn rings that allow gases to escape and oil to enter the combustion chamber. Operators may notice increased oil consumption, blue smoke from the exhaust, or a loss of engine power if these piston rings are worn or damaged.

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 85103700 – 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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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 with Chrome Plating
ApplicationVolvo D9A, D9B Engine Piston Set
Service LifeReplace during engine overhaul or when worn
CompatibilityVolvo OEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Increased blue smoke from the exhaust, especially during acceleration, and a noticeable decline in engine power are primary indicators of worn piston rings. If ignored, excessive oil consumption will occur, potentially leading to fouled spark plugs or catalytic converter damage, and reduced engine lubrication can accelerate wear on other internal components. Continued operation risks significant internal engine damage due to poor sealing and lubrication.

Installation Tip

Carefully inspect the cylinder walls for scoring or wear before installing new rings, and ensure the piston ring grooves are completely clean. Stagger the end gaps of the compression and oil control rings to prevent leakage paths.

Service Note

Inspect cylinder liners for wear and measure piston-to-cylinder wall clearance when replacing piston rings.