VolvoEngine Parts

23871486 — Oil Thermostat &Amp; Piston Cooling Control Valve 23871486 23013334 For Volvo Engine D13 Mack Truck

This oil thermostat and piston cooling control valve assembly is crucial for regulating engine oil temperature and ensuring proper piston cooling in Volvo D13 and Mack engines. It maintains optimal operating temperatures by directing oil flow, preventing overheating and excessive wear, unlike a faulty unit that may stick open or closed, leading to either insufficient cooling or sluggish oil circulation. Operators might observe elevated oil temperatures on the gauge, or potentially reduced engine power if the system is not functioning correctly.

Oil Thermostat &Amp; Piston Cooling Control Valve 23871486 23013334 For Volvo Engine D13 Mack Truck – Part No 23871486 – 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 TypeOil Thermostat & Piston Cooling Control Valve
MaterialMetal Alloy, Brass
ApplicationVolvo D13 & Mack Engine Oil Cooling System
Service LifeReplace based on inspection or temperature regulation issues
CompatibilityVolvo 23013334
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a problem with this assembly is often a fluctuating or consistently high oil temperature reading on the dashboard gauge. If the valve fails to open, the engine may start to overheat, leading to reduced power and potential internal damage. If it fails to close properly, the engine may run too cool, resulting in inefficient operation and increased wear over time.

Installation Tip

Ensure the sealing surfaces are perfectly clean and that any old gasket material is completely removed before installing the new assembly. Do not overtighten the mounting bolts, as this can warp the housing.

Service Note

When replacing this unit, inspect the engine oil cooler for any blockages or damage and check the oil level and condition.