21274822 | Genuine Volvo / Mack Oil Thermostat Control Valve

The Genuine OEM Volvo / Mack Oil Thermostat Control Valve, part number 21274822, is designed to help regulate engine oil temperature in compatible heavy-duty diesel engines. It controls oil flow through the engine's oil temperature management system, supporting proper lubrication and thermal performance during operation.

PRODUCT INFORMATION

• Part Number: 21274822

• Brand: Volvo / Mack

• Part Name: Oil Thermostat Control Valve

• System: Engine Oil Temperature Regulation

• Voltage: 12V

• Engine Applications: Selected Volvo D11/D13 and Mack MP7/MP8 applications

• Condition: Confirm the actual condition before publishing

APPLICATIONS

This part number is listed for selected Volvo and Mack heavy-duty truck applications. Compatibility may vary by engine model, model year, and engine configuration.

FUNCTION

The oil thermostat control valve helps regulate oil flow within the engine's thermal management system. By directing oil through the appropriate flow path as operating conditions change, it supports proper oil temperature and engine lubrication.

COMMON SIGNS OF A FAULTY VALVE

• Engine oil temperature outside the normal operating range

• Oil temperature regulation problems

• Related engine temperature or lubrication system fault codes

• Overheating or abnormal thermal performance

These symptoms may have other causes and should be confirmed through proper diagnostics.

WHY REPLACE

A malfunctioning oil thermostat control valve can interfere with oil temperature regulation and affect engine lubrication and thermal performance. Replacing a confirmed faulty valve with the correct OEM part helps restore proper system operation.

FITMENT INFORMATION

Part number 21274822 is associated with selected Volvo and Mack applications, including certain D13 and MP8 engine configurations. Verify the original part number, engine serial number, and vehicle identification before ordering. Do not rely on appearance alone to confirm compatibility.

GENUINE VOLVO / MACK PART

This listing identifies OEM part number 21274822, an Oil Thermostat Control Valve for compatible Volvo and Mack heavy-duty diesel engine applications.