Radiator Reservoir Tank for Mazda CX-9 2007-2015 3.5L V6 / 3.7L V6 Engine Plastic Replacement Part
Restore your Mazda CX-9’s cooling performance with this new radiator reservoir tank, designed specifically for 2007–2015 models equipped with the 3.5L V6 or 3.7L V6 engines. Made from durable plastics, this reservoir helps manage coolant expansion and return, preventing overflow, air entry, and overheating that can lead to overheating-related damage. It’s a straightforward, OE-style replacement that fits the original mounting points and hose connections, so installation is clean, simple, and reliable.
Designed to support long-term cooling system health, this reservoir keeps the coolant level stable under varying driving conditions—city traffic, highway cruising, or towing. With the correct replacement part, you’ll maintain optimal engine operating temperature, reduce the risk of coolant loss, and protect your CX-9’s cooling circuit from leaks and air pockets.
Interchange Part Number: CY01-15-350A, CY01-15-350, CY0115350A, CY0115350. OEM No.: CY01-15-350A, CY01-15-350, CY0115350A, CY0115350. It’s crafted to align with the Mazda CX-9’s radiator reservoir mounting and connections, delivering a reliable fit for peace of mind on every drive.
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Benefits & Tips
- 2-in-1 function: stores excess coolant as the engine heats up and returns it to the cooling system as it cools, helping maintain proper expansion and contraction within the cooling circuit.
- DIY-friendly replacement: uses the same mounting points and hose connections as the original tank for a straightforward install—great for weekend repairs or quick maintenance.
- Monitoring and maintenance: after installation, check coolant level and condition regularly to catch leaks early and keep the system performing optimally.
Product specifications
- Brand Name: Tree of Life
- Interchange Part Number: CY01-15-350A, CY01-15-350, CY0115350A, CY0115350
- OEM No.: CY01-15-350A, CY01-15-350, CY0115350A, CY0115350
- Material: Plastics
- Placement on Vehicle: Radiator Reservoir
- Special Features: Radiator Reservoir Tank
- Fits: Mazda CX-9, 2007–2015; 3.5L V6 (2007) and 3.7L V6 (2008–2015); Grand Touring, Sport, Touring
- Origin: Mainland China
Package includes:
- 1 x Radiator Reservoir Tank
Warnings/Reminders
- Compatibility varies by engine size: 3.5L V6 (2007) vs 3.7L V6 (2008–2015). Verify your CX-9’s engine to ensure the correct fit.
- Ensure the engine is cool before performing replacement to avoid scalding from hot coolant.