Dorman 42058 PCV Valve Grommet

Durable Rubber PCV Valve Grommet for Lexus and Toyota Vehicles

The Dorman 42058 PCV valve grommet is designed to provide a secure and reliable seal for the positive crankcase ventilation system in various Lexus and Toyota models. Made from high-quality rubber, this grommet ensures proper fitment and durability under engine conditions.

• Constructed from durable rubber material for long-lasting performance
• Inside diameter of 0.42 inches for precise fit
• Thickness of 0.61 inches to maintain a secure seal
• Outside diameter of 0.98 inches for compatibility with OEM components
• Push-on attachment method for easy installation
• Compatible with multiple Lexus and Toyota models including Camry, Corolla, Highlander, and Tacoma

Technical Details and Compatibility

The Dorman 42058 PCV valve grommet is engineered to meet the specifications required for proper sealing in the emission control system. Its rubber construction provides flexibility and resistance to heat and oil exposure, which are common in engine compartments. The precise dimensions—0.42 inch inside diameter, 0.61 inch thickness, and 0.98 inch outside diameter—ensure a tight fit that prevents vacuum leaks and maintains system integrity. This part is designed for push-on installation, simplifying replacement without the need for additional tools or adhesives.

Compatible Lexus and Toyota Models

This PCV valve grommet is compatible with a wide range of Lexus and Toyota vehicles, including but not limited to:

• Lexus ES250, ES300, GS300, GS400, GS430, GX470, IS300, LS400, LS430, LX450, LX470, RX300, SC300, SC400, SC430
• Toyota 4Runner, Avalon, Camry, Celica, Corolla, Highlander, Land Cruiser, MR2, Pickup, Previa, RAV4, Sequoia, Sienna, Solara, Supra, T100, Tacoma, Tercel, Tundra, Van

Common Applications and Issues Addressed

• Seals the PCV valve to prevent vacuum leaks
• Prevents oil and air leaks in the emission control system
• Maintains proper crankcase ventilation for engine efficiency
• Replaces worn or cracked grommets causing engine performance issues
• Helps reduce harmful emissions by ensuring system integrity

Installation Notes and Tips

Installation of the Dorman 42058 PCV valve grommet is straightforward due to its push-on design. Before installation, inspect the PCV valve and surrounding components for wear or damage. Clean the mounting surface to ensure a proper seal. Gently push the grommet onto the valve or fitting until fully seated. Avoid using excessive force to prevent damage to the rubber material.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 42058 PCV valve grommet undergoes quality control inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.