Womala Coolant Reservoir 31338291 Expansion Tank for Volvo XC60 S90 V90 XC90
Brand Name:Womala
Certification:.
Model Number:31338291
Minimum Order Quantity:10PCS
Delivery Time:5-7Days
Payment Terms:L/C,D/A,D/P,T/T,Western Union,MoneyGram
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Product Details
Womala Coolant Reservoir 31338291 Expansion Tank for Volvo XC60 S90 V90 XC90
The Coolant Reservoir (Expansion Tank, OE Number: 31338291) is a
key component of the engine cooling system, engineered for Volvo
XC60 (18–), S90 (17–)/S90L, V90 (17–)/V90 Cross Country, and XC90
(16–) models. As an OE-grade part, it is installed in the engine
bay (typically near the radiator or firewall) and connected to the
radiator via hoses. Its core role is to store excess coolant
expanded by engine heat, provide a buffer for coolant level
fluctuations, and allow air to escape from the cooling
system—ensuring the system remains fully filled and maintains
stable pressure for efficient heat dissipation.
Constructed from high-temperature-resistant, anti-corrosive plastic
(resistant to engine coolant chemicals and long-term heat
exposure), this reservoir features a transparent or
semi-transparent body for easy coolant level inspection. It
includes a sealed cap with a pressure relief valve (matching the
cooling system’s pressure specifications) to prevent coolant
boiling and leaks. The component adheres to Volvo’s strict
dimensional standards, ensuring seamless fit with factory hoses and
mounting points, and avoids cracks or deformation even under high
engine bay temperatures.
Core Functions
- Coolant Expansion & Storage: When the engine heats up, coolant expands and flows into the reservoir; when the engine cools, contracted coolant is drawn back into the radiator. This prevents pressure buildup or coolant overflow while keeping the system fully filled.
- Air Bleeding: The reservoir’s design allows air bubbles (which reduce cooling efficiency) to rise and collect at the top, gradually escaping through the cap or dedicated vents. This maintains a “air-free” cooling system for consistent heat transfer.
- Coolant Level Monitoring: The transparent body and marked “MIN/MAX” lines let users easily check coolant levels without opening the radiator cap (safer when the engine is hot), enabling timely refills to prevent overheating.
Compatible Vehicles
This Coolant Reservoir (OE: 31338291) is tailored for the following Volvo models and their respective year ranges:
| Model | Applicable Year Range |
|---|---|
| Volvo XC60 (18–) | 2018 |
| Volvo S90 (17–) / S90L | 2017–2018 |
| Volvo V90 (17–) / V90 Cross Country | 2017–2018 |
| Volvo XC90 (16–) | 2016–2018 |
Notes: The reservoir’s cap is often sold as an integral part (or separate accessory)—confirm if this OE number includes the cap before purchase. For 100% fitment accuracy, verify compatibility with your vehicle’s cooling system pressure rating (e.g., 1.1 bar vs. 1.4 bar) via its VIN (Vehicle Identification Number) or consult Volvo’s official service manual.
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.
Womala Coolant Reservoir 31338291 Expansion Tank for Volvo XC60 S90 V90 XC90
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