Dorman 42059 PCV Valve Grommet - Rear

Reliable PCV Valve Grommet for Jeep Models

The Dorman 42059 PCV valve grommet is designed to provide a secure and durable seal for the positive crankcase ventilation system in various Jeep vehicles. Made from quality rubber, this grommet ensures proper fit and function for models including Cherokee, Wrangler, and Grand Wagoneer.

• Constructed from durable rubber material for long-lasting performance
• Inside diameter of 0.712 inches for precise fit
• Thickness of 0.45 inches to maintain a tight seal
• Outside diameter measures 1.29 inches for compatibility
• Push-on attachment method for easy installation
• Compatible with Jeep Cherokee, CJ5, CJ7, Comanche, Grand Wagoneer, J10, Scrambler, Wagoneer, and Wrangler

Detailed Product Description

The Dorman 42059 PCV valve grommet is engineered to replace worn or damaged grommets in the emission control system of select Jeep vehicles. Its rubber construction provides flexibility and resistance to heat and oil exposure, which are common in engine compartments. The precise dimensions—0.712 inch inside diameter, 0.45 inch thickness, and 1.29 inch outside diameter—ensure a snug fit around the PCV valve, preventing leaks and maintaining system integrity. The push-on attachment method simplifies installation, reducing the need for additional tools or hardware.

Common Applications and Issues Addressed

• Prevents vacuum leaks in the PCV system
• Eliminates oil leaks around the valve connection
• Restores proper crankcase ventilation function
• Reduces engine performance issues related to faulty seals
• Helps maintain emissions compliance for Jeep Cherokee and Wrangler models

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Remove the old grommet carefully to avoid damaging the PCV valve or hose
• Clean the mounting surface to remove oil and debris
• Push the Dorman 42059 grommet firmly onto the valve or hose until fully seated
• Verify a secure fit to prevent air or oil leaks

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Jeep vehicle. The 42059 PCV valve grommet undergoes quality checks to ensure durability and proper fitment. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.