Radiator Coolant Reservoir Expansion Tank Compatible with 2014-2018

In this review the focus is on a direct replacement radiator coolant reservoir expansion tank designed for the 2014-2018 Subaru Forester. The bottom line: this tank is best for DIY mechanics and owners who want a straightforward, no-modification swap that restores cooling system function quickly. The reviewer found the part to offer reliable fit and build quality, with the included cap and pre-formed mounting points making installation simple for anyone comfortable working in an engine bay. This review highlights fit, durability, and practical details observed during installation and early use.

Key Features

• Direct fit compatibility: Designed to match 2014-2018 Subaru Forester fitment so installers can replace the original without trimming or alterations.
• Included cap: Ships with a replacement cap to restore a sealed expansion system immediately after swap.
• Durable material: Constructed from molded plastic meant to withstand typical under-hood temperatures and road conditions.
• Pre-assembled design: Pre-formed mounting locations and shape reduce installation time compared with universal tanks.
• Reference numbers provided: Uses OEM cross-reference numbers to verify compatibility for buyers confirming fitment.
• DIY support: Comes from a brand that provides video guidance to help users complete the replacement correctly.

Who It's For

This expansion tank is aimed at Subaru Forester owners from model years 2014 through 2018, independent mechanics, and DIY enthusiasts who prefer a direct replacement that mirrors the original part. It suits anyone who wants a straightforward swap with minimal tools and no fabrication work.

It is less suitable for users who need mounting hardware or an integrated level sensor, as those are not included, and for vehicles outside the listed compatibility where a different shape or sensor location is required.

Pros & Cons

Pros

• Good fit and straightforward installation for compatible Forester models, saving time and hassle.
• Solid build quality that customers report as durable and functional over normal use.
• Comes with a cap and matches OEM reference numbers for easier compatibility checks.
• Supported by DIY video resources to guide the repair process.

Cons

• Screw hole alignment received mixed feedback, so mild adjustments may be necessary in some installations.
• Mounting hardware and level sensor are not included, requiring reuse of original parts or separate purchases.

Specifications

Compatible Models	2014-2018 Subaru Forester
Material	Plastic
Cap Included	Yes
Level Sensor Included	No
Pressurized	No
Mounting Hardware Included	No
Reference Numbers	45150SG001, 45150VA010, SU3014111

Our Verdict

The expansion tank is a practical, cost-conscious replacement for 2014-2018 Forester owners who want a reliable direct fit part. With good build quality, an included cap, and DIY support resources, it offers solid value for those willing to reuse mounting hardware or sensors from the original tank. It is recommended for most do-it-yourself installers and repair shops handling routine coolant system maintenance.

Frequently Asked Questions

Does this tank include the cap?
Yes, the replacement tank ships with a cap so the cooling system can be sealed immediately after installation.

Will I need a new level sensor?
No, a level sensor is not included; plan to transfer the original sensor or purchase one separately if your vehicle requires it.

Is mounting hardware supplied?
Mounting hardware is not included, so installers should reuse the original fasteners or obtain replacements if needed.