TKT025 Timing Belt & Water Pump Kit with Hydraulic Tensioner for 1995-2004 Toyota 3.4L V6

TKT025 Timing Belt and Water Pump Kit for Select Toyota 3.4L V6 Applications

Timing-system and cooling-service kit containing a timing belt, water pump with gasket and thermostat outlet tube, idler bearing, tensioner bearing, and hydraulic tensioner for the exact Toyota 3.4L V6 applications listed below.

Critical fitment warning: This kit is not for every 1995–2004 Toyota. All source-supported applications are restricted to the 3.4L V6 and the model-specific year ranges below. The source does not provide engine code, VIN digit, drivetrain, transmission, production date, timing-belt tooth count, or formal OE component numbers. Confirm the VIN, engine code, original belt dimensions, water-pump outlet-tube configuration, idler, tensioner bearing, hydraulic tensioner, bolt pattern, and cooling-system connections before ordering.

Vehicle Compatibility

• 1996–2002 Toyota 4Runner — 3.4L V6
• 1995–1998 Toyota T100 — 3.4L V6
• 1995–2004 Toyota Tacoma — 3.4L V6
• 2000–2004 Toyota Tundra — 3.4L V6

Not confirmed: Four-cylinder engines, other V6 or V8 engines, model years outside these ranges, or any configuration whose original belt, pump, outlet tube, idler, tensioner, and hydraulic actuator do not match this kit.

Confirmed Kit Contents

• 1 water pump with gasket
• Thermostat outlet tube on water pump
• 1 timing belt
• 1 idler bearing
• 1 tensioner bearing
• 1 hydraulic tensioner

Timing-belt tooth count is not provided. Camshaft and crankshaft seals, thermostat, valve-cover gaskets, accessory belts, coolant, sealant, additional fasteners, and installation tools are not confirmed as included.

Reference Information

Kit identifier: TKT025

No individual OE or replacement component numbers are provided in the source description. Match the VIN, engine code, original belt, water-pump housing and outlet tube, idler, tensioner bearing, and hydraulic tensioner before installation.

Installation Notes

Timing-belt and water-pump replacement is an advanced engine service and should be performed by a qualified technician. Obtain the exact Toyota service procedure for the VIN and engine code before disassembly. Confirm crankshaft and camshaft timing marks, engine-rotation direction, belt routing, hydraulic-tensioner preparation, pin-removal sequence, torque specifications, and all one-time-use fasteners.

Drain and collect coolant safely before removing the water pump; do not reuse contaminated or unsuitable coolant. Clean the pump mounting surface without damaging it. Inspect the sprockets, idler, tensioner bearing, hydraulic tensioner, cooling hoses, thermostat, seals, and accessory belts. Install the belt with every timing mark aligned, set tension according to the service procedure, rotate the engine by hand through the prescribed number of revolutions, and recheck all marks before starting. Refill with the specified coolant, bleed air from the cooling system, then verify temperature control, coolant circulation, and the absence of leaks or abnormal noise.

Frequently Asked Questions

Does this fit every 1995–2004 Toyota truck or SUV?
No. It is limited to the listed 4Runner, T100, Tacoma, and Tundra ranges with the 3.4L V6.

Is the hydraulic tensioner included?
Yes. The confirmed contents include one hydraulic tensioner, one tensioner bearing, and one idler bearing.

Does the water pump include the outlet tube?
The source specifies a water pump with gasket and an outlet tube at the thermostat.

How many teeth are on the timing belt?
The source does not provide the tooth count. Compare the belt dimensions and tooth profile with the original before installation.