Dorman 300-938 Engine Water Pump Pulley

Reliable Engine Water Pump Pulley for Toyota, Lexus, and Scion Vehicles

The Dorman 300-938 engine water pump pulley is designed to provide consistent performance and durability for select Toyota, Lexus, and Scion models. Constructed from steel with a black finish, this serpentine pulley offers a standard replacement option for maintaining your vehicle's cooling system efficiency.

• Made from durable steel material for long-lasting use
• Black color finish for corrosion resistance and aesthetic consistency
• Serpentine pulley type compatible with serpentine belt systems
• Bolt-on attachment with four 0.35-inch diameter bolt holes for secure installation
• Dimensions: 3.94 inches diameter and width, 1.41 inches depth
• Standard replacement grade designed to meet OEM specifications

Product Details and Specifications

The Dorman 300-938 engine water pump pulley is engineered to fit a range of Toyota, Lexus, and Scion vehicles including the Camry, Corolla, Highlander, HS250h, Matrix, RAV4, Solara, tC, and xB models. This pulley is constructed from high-quality steel (acero) and finished in black (negro/noir) to resist wear and corrosion. It features a serpentine pulley design with zero grooves, intended for use with serpentine belts. The pulley attaches securely to the water pump housing using four bolt holes, each with a diameter of 0.35 inches, ensuring a stable fit. With a diameter and width of 3.94 inches and a depth of 1.41 inches, it matches the original equipment dimensions for proper alignment and function.

Common Applications and Problem Solving

• Replacement for worn or damaged water pump pulleys causing belt slippage
• Fixes pulley misalignment issues that can lead to premature belt wear
• Resolves noise problems related to pulley bearing failure or corrosion
• Restores proper tension and routing of serpentine belts in cooling systems
• Prevents overheating by ensuring efficient water pump operation

Installation Notes and Tips

This engine water pump pulley is a bolt-on replacement and does not include installation hardware or instructions. It is recommended to use the original bolts or appropriate replacements matching the 0.35-inch bolt hole diameter. Proper torque specifications should be followed to avoid damage or loosening during operation. Inspect the serpentine belt and related components during installation to ensure overall system integrity.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 300-938 engine water pump pulley is a standard replacement grade component designed for reliable performance. While installation hardware and instructions are not included, the part undergoes quality checks to ensure durability and compatibility with specified Toyota, Lexus, and Scion models. Warranty coverage details can be obtained from the product documentation or manufacturer.