AISIN Genuine TKT-025 Engine Timing Belt Kit with Water Pump — Compatible with Toyota 4Runner, T100, Tacoma, Tundra

Smart maintenance for Toyota powertrains

The AISIN Water Pump/Timing Belt Service Kit is the common-sense solution for ongoing timing system upkeep. When one part wears, the rest often wears similarly. By addressing all components in one service, you can plan ahead and minimize downtime and future visits. This kit combines precision parts in a single package, designed to work as a cohesive system that mirrors factory intent.

This kit brings OE matched components directly to your workbench—no generic replacements. It features AISIN, Mitsuboshi, Toyo, NTN and other trusted brands, ensuring compatibility with your vehicle’s original specifications. AISIN is the #1 OE manufacturer of water pumps in the world, and each pump in this kit uses a diecast aluminum housing with premium internal components and carbon ceramic seals for durability. The result is a service kit that supports steady operation under a range of driving conditions while preserving the vehicle’s original performance characteristics.

What’s included and how it helps

• Water Pump, Timing Belt, Tensioner, Pulleys, Gaskets, and Installation Instructions — all in one box
• OE matched components that replicate the factory fit and function
• Premium pump design with aluminum housing and carbon ceramic seals for lasting reliability

Why replace parts together

• One complete kit means fewer separate trips to source parts
• Likely smoother installation with matched components and documented instructions
• Cost and time savings over replacing components piecemeal

Compatibility and fit

Designed for select Toyota applications, including 1996–02 4Runner, 1995–98 T100, 1995–04 Tacoma, and 2000–04 Tundra. Always verify fitment using your vehicle’s details or the provided fit checker before buying.

Real-world use scenarios

For daily commutes, weekend trips, or rugged adventures, timing system maintenance helps maintain reliable engine timing and predictable service. The kit’s OE-grade parts and clear instructions support a straightforward, efficient repair experience, with components chosen to align with the vehicle’s original design.

In practice, owners may notice enhanced peace of mind during routine maintenance and a streamlined workflow when servicing multiple components at once. The combination of a durable water pump, a properly tensioned belt, and compatible pulleys reduces the complexity of the job and minimizes the likelihood of repeat visits for related wear issues.