TRQ Engine Water Pump Compatible with 1996-2010 Toyota 4Runner

In this review the TRQ Engine Water Pump is evaluated for owners replacing a failed pump on Toyota 4Runner, Tacoma, or T100 models. The bottom line: this is a straightforward, direct-fit replacement aimed at DIY mechanics who value a good balance of quality and value. It stands out because it arrives pre-assembled with aluminum housing and a cold rolled steel impeller, which simplifies installation and reduces the chance of fitment surprises when doing a timing or cooling system service.

Key Features

• Direct Fit Compatibility: Designed to match factory mounting points for many 1994-2023 Toyota L4 applications, reducing the need for modifications.
• Pre-assembled Design: Arrives ready to install which saves time on the workbench and lowers the risk of assembly errors during replacement.
• Durable Materials: Aluminum housing and a cold rolled steel impeller provide corrosion resistance and structural strength for long term service.
• Complete Hub Dimensions: Measured hub height and hole pattern match OEM expectations so pulleys and belts align correctly.
• Extensive Fitment Reference: Uses multiple reference numbers to help confirm compatibility with the vehicle application before purchase.

Who It's For

This pump is aimed at independent DIYers and professional mechanics working on Toyota 4Runner, Tacoma, and T100 four-cylinder engines who need a reliable, direct replacement part and prefer to "view before you do" using available installation videos. It suits owners who want a cost-effective pump that installs like the original without custom work.

It is less suited to someone who expects a full accessory package; the pump does not include a fan clutch or thermostat and some buyers reported mixed experiences with gasket supply. If you want a complete cooling overhaul kit with every seal included, consider purchasing the necessary gaskets or a separate kit alongside this pump.

Pros & Cons

Pros

• Good overall build quality with aluminum housing and steel impeller for durability.
• Pre-assembled for easier installation and time savings during replacement jobs.
• Positive feedback on fit and function across multiple Toyota L4 model years.
• Strong value proposition compared with dealer-priced alternatives.

Cons

• Some customers reported inconsistent gasket quality or missing gaskets, so verify seals before installation.
• Mixed comments about bolt hole thickness; installers should verify torque specs and fastener condition when reusing hardware.

Specifications

Brand	TRQ
Reference Numbers	43291; 16100-79245; AW9293
Housing Material	Aluminum
Impeller Material	Cold Rolled Steel
Mounting Hole Quantity	10
Hub Height	2.66 in
Impeller Vane Quantity	6

Our Verdict

The TRQ Engine Water Pump is a practical, value-oriented replacement for Toyota 4Runner, Tacoma, and T100 four-cylinder engines. It is recommended for DIYers and shops that want a direct-fit, pre-assembled pump with durable materials and reliable fitment; just account for potential gasket needs and check fasteners during installation.

Frequently Asked Questions

Does this pump include the thermostat or fan clutch?
No. The pump does not include a thermostat or fan clutch; those components must be purchased separately if required.

Will this fit my 2003 Tacoma 2.7L?
Yes. The pump lists compatibility with 2001-23 Tacoma 2.7L L4 applications; confirm fitment with your vehicle details before ordering.

Are all gaskets included?
Gasket experience is mixed among buyers; it is wise to have replacement gaskets on hand as some customers reported missing or inconsistent gasket supply.