TRQ Engine Water Pump Compatible with Subaru Scion Toyota - Direct Fit

Our review of the TRQ Engine Water Pump finds it best suited for owners who need a no-frills, direct-fit replacement for various Subaru, Scion and Toyota four-cylinder models. The bottom line: this water pump delivers reliable fitment and straightforward installation for those replacing a failed pump or performing routine cooling system maintenance, with the biggest reason to buy being the pre-assembled, OE-style design that reduces installation time and guesswork.

Key Features

• Direct-fit replacement: The pump is designed to match original equipment fitment, which helps ensure a precise installation without modifications.
• Pre-assembled components: Pre-assembly saves time on the workbench and lowers the chance of missing small parts during a swap.
• Wide vehicle compatibility: Fitment covers many Subaru Outback, Forester, Legacy, Impreza, Crosstrek, WRX, BRZ, Scion FR-S and Toyota 86 model years, making it useful for shop inventories.
• Cast aluminum housing: A metal housing offers better heat and corrosion resistance compared with cheaper plastic housings.
• Multiple reference numbers: Uses common reference numbers (41088; 21110-AA690; AW9384), which helps confirm correct replacement parts and cross-references.

Who It's For

This pump is a practical choice for DIY mechanics, independent repair shops and fleet owners who need a straightforward replacement that mirrors original equipment for 2.0L and 2.5L Subaru H4 engines and compatible Scion and Toyota models. Its broad compatibility and pre-assembled nature make it especially useful when you need to minimize car downtime.

Those who should look elsewhere include owners who require a premium OEM-branded unit for extended warranty coverage or drivers seeking a performance upgrade beyond stock pump specifications. Also, if you need an included thermostat or fan clutch, this pump does not include those items.

Pros & Cons

Pros

• Good overall fit and function on compatible models, reducing installation hassles.
• Cast aluminum housing provides a sturdy, corrosion-resistant construction.
• Pre-assembled to save time and lower the chance of installation errors.
• Offers solid value for money compared with more expensive branded units.

Cons

• Some buyers report gasket issues or missing gaskets, so verify all sealing components are present before install.
• There are occasional reports of leakage or shipping damage, so inspect the pump carefully on arrival.

Specifications

Product	Engine Water Pump
Reference Numbers	41088; 21110-AA690; AW9384
Housing Material	Cast Aluminum
Mounting Holes	5
Thermostat Included	No
Compatible Engines	Subaru H4 2.0L and 2.5L
Covered Models	Selected Subaru Outback, Forester, Legacy, Impreza, Crosstrek, WRX, BRZ; Scion FR-S; Toyota 86

Our Verdict

The TRQ Engine Water Pump is a sensible, cost-effective replacement for owners of compatible Subaru, Scion and Toyota models who want an OE-style fit without extra parts. It represents good value when inspected on receipt and installed correctly, though purchasers should confirm gasket presence and check for any shipping damage before installation.

Frequently Asked Questions

Does this pump include the thermostat?
No, the pump does not include a thermostat or thermostat housing; those parts must be purchased separately if needed.

Will this fit my 2015 Forester 2.5L?
Yes, the pump lists compatibility with 2014-18 Subaru Forester H4 2.5L models, but always confirm fitment with your vehicle's reference numbers before ordering.

What should I inspect when the pump arrives?
Inspect the casting and impeller for damage, verify the mounting hole count and check that any included gaskets or seals are present to avoid installation delays.