VolvoHydraulic Parts

FPLJ2502177 — Power Steering Pump 3986328 85000031 7403986328 For Volvo Fh12 Fm12 Nh12 B12M

This power steering pump is a critical component of the vehicle's steering system, providing hydraulic pressure to assist the driver in turning the wheels. It is manufactured to meet stringent OEM quality standards, ensuring reliable performance and durability compared to worn units exhibiting leaks or reduced assist. Operators may notice a stiff steering wheel, excessive play in the steering, or a whining noise from the pump when it begins to fail.

Power Steering Pump 3986328 85000031 7403986328 For Volvo Fh12 Fm12 Nh12 B12M – Part No FPLJ2502177 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryHydraulic 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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Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

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Installation & Application Notes

Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypePower Steering Pump
MaterialCast Iron and Steel
ApplicationPower Steering System
Service LifeReplace every 3,000 hrs or 3 years
CompatibilityVolvo 3986328, 85000031, 7403986328
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing power steering pump include a stiff steering wheel, especially at low speeds, and a noticeable whine that increases with steering input. If ignored, the steering assist will gradually diminish, making the vehicle difficult to control. Continued operation with a failing pump can lead to complete loss of steering assist, posing a significant risk to safe operation.

Installation Tip

Ensure the power steering fluid reservoir is completely clean before filling to prevent contamination of the new pump. Avoid over-tightening the pump mounting bolts, as this can distort the pump housing.

Service Note

Inspect the power steering hoses and seals for leaks and wear, and replace the power steering fluid and filter if equipped.