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Womala Oil Pump Coupling 31256757 Differential Motor Coupling for Volvo S60 S80 XC70 V70 XC60 XC90
The Oil Pump Coupling (Differential Motor Coupling, OE Number: 31256757) is a key power transmission component for multiple Volvo models, including S60 (11–/11–18), S80 (07–)/S80L, XC70 (08–), V70 (08–), XC60 (-17), XC90 (03–), and V60/V60 (-18). Installed between the oil pump (or differential motor) and its drive source (e.g., engine or electric motor), it transmits rotational force to ensure the oil pump delivers lubricating oil to engine components (or the differential motor operates normally). As an OE-grade part, it adheres to Volvo’s strict dimensional and material standards, ensuring precise alignment with connected components, smooth power transfer, and compatibility with the vehicle’s transmission or lubrication system.
Constructed from high-strength, wear-resistant materials: typically forged steel or alloy steel with heat treatment to enhance hardness and tensile strength, capable of withstanding continuous rotational loads and occasional torque fluctuations. The coupling’s contact surfaces are precision-machined to minimize friction and vibration, while some variants feature rubber or elastomeric inserts to dampen noise and absorb shock—protecting the oil pump/differential motor from damage caused by sudden load changes.
Core Functions
Power Transmission: Efficiently transfers rotational force from the drive source to the oil pump (ensuring consistent oil pressure for engine lubrication) or differential motor (enabling differential operation for traction control), supporting the normal function of critical vehicle systems.
Vibration Damping: Reduces vibration and noise during power transfer (via elastomeric components, if equipped), minimizing wear on the oil pump/differential motor and extending their service life, while improving driving comfort.
Misalignment Compensation: Accommodates minor axial or radial misalignment between the drive source and the oil pump/differential motor, preventing binding or excessive stress on connected components that could lead to premature failure.
Compatible Vehicles
This Oil Pump Coupling (OE: 31256757) is tailored for the following Volvo models and year ranges:
Model
Applicable Year Range
Volvo XC60 (-17)
2009–2012
Volvo S80 (07–)/S80L
2009–2014
Volvo XC90 (03–)
2006–2016
Volvo XC70 (08–)
2009–2012
Volvo V70 (08–)
2009–2012
Volvo S60 (11–/11–18)
2011–2012
Volvo V60/V60 (-18)
2011–2012
Notes: This coupling is system-specific (oil pump vs. differential motor) and may differ in design or mounting specifications even for the same model—confirm the exact application (which component it connects to) via your vehicle’s VIN (Vehicle Identification Number) or Volvo’s official parts catalog to avoid fitment issues. During installation, ensure proper torque when tightening mounting bolts (follow Volvo’s recommended torque values) to prevent slippage or component damage. Inspect the coupling regularly for signs of wear (e.g., cracks, excessive play, or elastomer deterioration) and replace it immediately if damage is found, as a faulty coupling can cause oil pump failure (leading to engine damage) or differential motor malfunction (affecting traction control). Avoid using aftermarket couplings that do not meet OE standards, as they may not withstand operational loads and pose safety risks.
Frequently Asked Questions
Q: How to determine if the bumper bracket needs replacement?
A: Signs of a failing bumper bracket include visible damage or deformation, misaligned bumper panels, unusual noises from the front end, or if the bumper appears loose or sagging on one side.
Q: What should be paid attention to when replacing the bumper bracket?
A: For optimal results, we recommend professional installation. Key considerations include ensuring proper alignment of all mounting points, checking for additional damaged components, and verifying all fasteners are properly torqued to specification.
Why Choose Our Products
Extensive Industry Experience: 13 years specializing in Volvo auto parts with precise product matching and technical solutions.
Quality Assurance: 10-stage quality inspection process including durability testing, surface roughness analysis, and dimensional verification.
Manufacturing Excellence: 15,000㎡ production base with 10,000+ SKUs in inventory for fast order fulfillment.
Strategic Partnerships: Collaborations with 50+ factories including suppliers to international brands like Bosch and Hella.
Company Profile
Established in Guangzhou China, Womala Auto parts as a comprehensive company with five branches has engaged in Volvo parts for more than 10 years.There are hundreds of professional staff working in our supply department, sales and logistic support departments.Thanks to the deep coop... Company Profile
Established in Guangzhou China, Womala Auto parts as a comprehensive company with five branches has engaged in Volvo parts for more than 10 years.There are hundreds of professional staff working in our supply department, sales and logistic support departments.Thanks to the deep coop...