Performance Water Pump & Timing Belt Kit for Toyota Tundra (2000-2004) 3.4L

Complete Water Pump & Timing Belt Kit for 2000-2004 Toyota Tundra (XK30/XK40)

What it Does: The Performance Water Pump & Timing Belt Kit replaces worn valvetrain drive components and the primary coolant pump on the 2000-2004 Toyota Tundra to maintain exact mechanical timing, prevent overheating, and eliminate accessory drive slip.

The Stock Toyota Tundra Valvetrain & Cooling Vulnerabilities

The factory 5VZ-FE timing assembly operates under continuous thermal cycling and mechanical load. Over time, the OEM timing belt degrades, stretches, and loses tooth shear strength. Simultaneously, the hydraulic tensioner loses damping pressure, causing belt flutter and timing variance. Factory idler bearings dry out, leading to parasitic drag and thermal seizure, while the stock water pump bearing and mechanical shaft seal weep coolant, risking severe head gasket degradation under heavy hauling.

The Engineering Solution

This comprehensive service kit eliminates front-engine failure points by pairing high-tensile, heat-resistant EPDM timing and accessory drive belts with heavy-duty tensioner components. The water pump features an engineered cast-aluminum housing and a precision-balanced impeller for maximum coolant circulation through the radiator and block. Pre-greased, sealed idler and tensioner pulleys prevent friction-induced heat soak, while replacement Viton front crankshaft and camshaft seals resolve recurring front main oil contamination across the XK30/XK40 platform.

What's Included

• 1 Timing Belt (13568-69095 / 13568-YZZ03)
• 1 Idler Roller (13503-62040)
• 1 Tensioner Roller (13505-62070)
• 1 Front Crankshaft Seal (90311-40022)
• 2 Front Camshaft Seals (90311-38051)
• 1 Water Pump (16100-69398-83)
• 1 Hydraulic Tensioner (13540-62021)
• 1 Thermostat (90916-03075)
• 1 Air Conditioning Belt (99364-20870)
• 1 Alternator Belt (90080-91090)
• 1 Power Steering Belt (90080-91126 / 99364-21070)

Technical Specifications

Compatibility

• 2000-2004 Toyota Tundra Base Regular Cab 3.4L V6 (5VZ-FE)
• 2000-2004 Toyota Tundra SR5 Access Cab 3.4L V6 (5VZ-FE)
• Notice: Compatible with 3.4L V6 5VZ-FE models only. Does not fit 4.7L V8 models.

Frequently Asked Questions & Fitment Warnings

Does this fit the XK30/XK40 Tundra?

Yes, this is a direct fit for the 2000-2004 Toyota Tundra equipped with the 5VZ-FE 3.4L V6 engine. This kit does not fit 4.7L 2UZ-FE V8 models.

What torque specifications should be used during assembly?

All tensioner pulleys, water pump hardware, and the crankshaft harmonic balancer bolt must be torqued precisely to factory Toyota service manual torque specifications.

The Toyota Truck Caliber

Engineered for rugged payload demands and prolonged trail durability, this timing component system ensures dependable mechanical longevity for your working V6 Tundra.