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Womala Bushings OE 31439871 Radiator Upper Mount for Volvo XC90 S90 XC60
The Bushings (Radiator Upper Mount, OE Number: 31439871) are critical elastic mounting components engineered for multiple Volvo and Polestar models, including XC90, S90/S90L, XC60, V60/V60 Cross Country, V90/V90 Cross Country, S60 (2019–onward), and Polestar 1. As OE-grade parts, they are installed at the upper mounting points of the radiator, connecting the radiator to the vehicle’s front chassis. Their core roles are to secure the radiator in a stable position, absorb vibrations between the radiator and chassis (to prevent noise and component wear), and allow slight flexibility for thermal expansion of the radiator during engine operation.
Crafted from high-performance, heat-resistant rubber (typically EPDM rubber or nitrile rubber composite) with reinforced internal metal inserts, these bushings withstand extreme under-hood conditions: continuous exposure to engine heat (up to 150°C+), coolant splashes, and road vibrations. They resist hardening, cracking, or deformation over time, maintaining consistent elasticity and load-bearing capacity. Strictly adhering to Volvo’s dimensional and material standards, they ensure a precise fit with the radiator’s mounting lugs and chassis brackets—no modifications are needed during installation, and they preserve the radiator’s factory alignment to avoid leaks or damage to coolant hoses.
Core Functions
Radiator Secure Positioning: Acts as a fixed yet flexible anchor to hold the radiator in its factory-calibrated upper position, preventing lateral or vertical shifting during driving (e.g., due to road bumps or cornering). This avoids collisions between the radiator and adjacent components (e.g., fan, condenser) and ensures proper alignment with coolant hoses.
Vibration Absorption & Noise Reduction: Absorbs vibrations transmitted from the chassis or engine to the radiator, reducing resonance and abnormal noises (e.g., rattles) caused by metal-to-metal contact. This protects the radiator’s delicate internal tubes and connections from fatigue damage, extending the radiator’s service life.
Thermal Expansion Compensation: Provides slight elastic flexibility to accommodate the radiator’s thermal expansion (when the engine heats up) and contraction (when cooled down). This prevents stress on the radiator’s mounting points or chassis, avoiding cracks in the radiator housing or damage to mounting brackets.
Compatible Vehicles
This Bushings (Radiator Upper Mount, OE: 31439871) is compatible with a wide range of Volvo and Polestar models. Below is a consolidated list of applicable models and year ranges (covering all repeated entries):
Model
Applicable Year Range
Volvo XC90 (16–)
2016–2025
Volvo S90 (17–) / S90L
2017–2025
Volvo XC60 (18–)
2018–2025
Volvo V60 (19–) / V60 Cross Country (19–)
2019–2024
Volvo V90 (17–) / V90 Cross Country
2017–2025
Volvo S60 (19–)
2019–2024
Notes: Suffixes like “(16–)” “(17–)” denote model generations launched from the specified year onward; for 100% fitment accuracy—including confirming the exact quantity required per vehicle (radiators typically use 2 upper mount bushings) and compatibility with hybrid/non-hybrid variants (which may have radiator size differences)—verify with your vehicle’s VIN (Vehicle Identification Number) or consult Volvo/Polestar’s official service manual. This accounts for potential subtle variations in radiator mounting designs across different production batches.
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...