AISIN TKT-024 Engine Timing Belt Kit with Water Pump - Complete OE

In this review of the AISIN TKT-024 timing belt kit, the bottom line is simple: it is aimed at owners of select Lexus and Toyota V6 models who want a complete, OE matched replacement package that avoids piecemeal repairs. The reviewer found the biggest reason to buy is the convenience and long term value of replacing the timing belt, water pump, tensioner and pulleys together, since the labor to access these parts is nearly identical. For anyone planning a scheduled timing service, this kit eliminates guesswork and includes installation instructions to help guide the job.

Key Features

• OE matched components: The kit includes manufacturer matched parts so the components are the same design as those fitted at the factory, which simplifies fitment concerns.
• Complete service package: Water pump, timing belt, tensioner, pulleys and gasket arrive in one box, letting a DIYer or shop replace all wear items in a single service interval.
• Premium water pump design: The pump uses a diecast aluminum housing and carbon ceramic seals for improved durability over cheaper cast or plastic housings.
• Trusted brand parts: The kit bundles parts from known automotive suppliers to reduce the chance of imprecise aftermarket fits or short-lived components.
• Installation instructions included: Basic instructions are provided in the box to assist a competent mechanic or experienced DIYer during the replacement.

Who It's For

This kit is best for owners of compatible Lexus ES300, RX300 and Toyota Avalon, Camry, Sienna, and Solara models who want to perform a full timing service or pay a shop to do it with OE matched parts. It is also a good choice for independent mechanics who prefer a single-box solution that eliminates sourcing individual parts.

It is less suitable for owners of vehicles not listed or for someone who only needs a single small part replaced and does not want the additional upfront cost of a full kit. Less experienced DIYers should plan on shop labor if they are not confident with timing components.

Pros & Cons

Pros

• High-quality OE matched parts that customers report fit like original equipment and offer reliable function.
• Complete kit avoids repetitive labor by replacing the water pump and belt assembly together, saving time and potential future expense.
• Durable water pump construction with carbon ceramic seals improves longevity compared with lower-end pumps.
• Good value for the set of parts included, according to buyer reports.

Cons

• Installation difficulty varies; some buyers report mixed experiences, so professional installation may be needed for less experienced installers.

Specifications

Brand	AISIN
Kit contents	Water Pump, Timing Belt, Tensioner, Pulleys, Gasket, Installation Instructions
Pump construction	Diecast aluminum housing with carbon ceramic seals
Compatibility (select)	Lexus ES300 1994-01; RX300 1999-03; Toyota Avalon 1995-04; Camry 1994-01; Sienna 1998-03; Solara 1999-03
Included brands	AISIN, Mitsuboshi, Toyo, NTN and others
Service type	Timing belt kit with water pump replacement

Our Verdict

The AISIN TKT-024 kit is a practical, cost-effective solution for owners of the listed Lexus and Toyota models who want OE matched parts and the assurance of a complete timing service. While installation can be challenging for some, the included pump quality and full kit contents make it a smart buy for preventative maintenance or a timed replacement to avoid future failures.

Frequently Asked Questions

Will this kit fit my vehicle?
Verify engine and year fitment against the vehicle selector; the kit fits specific Lexus ES300, RX300 and listed Toyota models but engine variants may affect compatibility.

Should I replace the water pump with the timing belt?
Yes, the kit reflects industry practice: replacing the pump and belt together saves repeated labor and reduces the risk of future failure shortly after a belt change.

Are the parts OEM quality?
The kit contains OE matched components from known suppliers and AISIN supplies the water pump design used by many manufacturers, so fit and function closely match original parts.