VolvoEngine Parts

3857487 — Throttle Position Sensor 3857487 853678T 17113578 For Volvo Penta Engine 4.3L 5.0L 5.7L 6.2L 7.4L 8.1L

This Throttle Position Sensor (TPS) accurately measures the throttle plate's angle and transmits this data to the engine control module (ECM) for precise fuel and air mixture adjustments. It is manufactured to meet stringent OEM quality standards, ensuring reliable performance unlike a worn sensor that can cause erratic readings. Symptoms of a failing TPS include rough idling, poor acceleration, engine stalling, and illuminated check engine lights.

Throttle Position Sensor 3857487 853678T 17113578 For Volvo Penta Engine 4.3L 5.0L 5.7L 6.2L 7.4L 8.1L – Part No 3857487 – 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 TypeThrottle Position Sensor (TPS)
MaterialPlastic, electronic components
ApplicationEngine fuel and air management system
Service LifeReplace as needed based on diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing throttle position sensor is often a rough or unstable idle. If left unaddressed, the engine may exhibit poor acceleration, hesitation, and increased fuel consumption. Continued operation with a faulty TPS can lead to drivability issues and potential engine stalling.

Installation Tip

Ensure the throttle plate is clean and moves freely before installing the new sensor. Avoid overtightening the mounting screws, as this can damage the sensor housing or affect its calibration.

Service Note

Inspect the throttle body and linkage for wear or binding when replacing the throttle position sensor.