VolvoEngine Parts

3587858 — Serpentine Belt Tensioner 3885250 3587858 Ra068001 For Volvo Penta Crusader Pcm Engine 4.3L 5.0L 5.7L 8.1L

This serpentine belt tensioner is designed to maintain the correct tension on the engine's accessory drive belt, ensuring all driven components like the alternator and water pump operate efficiently. It automatically adjusts for belt wear and thermal expansion, preventing belt slippage or excessive strain. A worn tensioner can cause a noisy belt, reduced accessory performance, or premature belt failure.

Serpentine Belt Tensioner 3885250 3587858 Ra068001 For Volvo Penta Crusader Pcm Engine 4.3L 5.0L 5.7L 8.1L – Part No 3587858 – 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 TypeSerpentine Belt Tensioner
MaterialSteel and rubber
ApplicationAccessory drive belt system
Service LifeReplace every 100,000 miles or as needed
CompatibilityVolvo Penta, Crusader, PCM OEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

A failing tensioner often begins with an audible squealing or chirping sound from the accessory belt. If left unaddressed, the belt may start slipping, causing intermittent loss of power to accessories like the alternator or power steering pump. Eventually, the belt could break or come off entirely, leading to a sudden loss of all accessory functions.

Installation Tip

Before removing the old tensioner, note the direction of spring tension for proper installation of the new unit. Ensure the mounting bolt is torqued to the manufacturer's specification to prevent damage.

Service Note

Inspect the condition of the serpentine belt and all accessory pulleys for wear or damage when replacing the tensioner.