Dorman 42322 PCV Valve Grommet

Durable Rubber PCV Valve Grommet for Select GM Vehicles

The Dorman 42322 PCV valve grommet is designed to provide a reliable seal for the positive crankcase ventilation system in various Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Made from quality rubber, this grommet ensures a secure fit and helps maintain proper emission control system function.

• Constructed from durable rubber material for flexibility and longevity
• Inside diameter of 0.76 inches for precise fitment
• Thickness of 0.45 inches to ensure a tight seal
• Outside diameter measures 1.24 inches for compatibility with OEM components
• Push-on attachment method for straightforward installation
• Package includes one PCV valve grommet

Product Details and Specifications

The Dorman 42322 PCV valve grommet is engineered to meet the specifications required for proper sealing in the emission control system. Its rubber construction provides resistance to heat and oil exposure commonly found in engine compartments. The grommet’s dimensions—0.76 inch inside diameter, 0.45 inch thickness, and 1.24 inch outside diameter—are designed to fit securely on the PCV valve and intake manifold ports. The push-on attachment method simplifies installation without the need for additional hardware.

Compatible Vehicles and Applications

This PCV valve grommet is compatible with a range of GM vehicles, including Buick models like Century and Skylark, Chevrolet models such as Camaro, Lumina, and S10, GMC trucks like S15 and Jimmy, Oldsmobile Cutlass variants, and Pontiac Firebird and Grand Am. The part number 42322 ensures you receive the correct component for these specific makes and models.

Common Issues Addressed by the PCV Valve Grommet

• Prevents vacuum leaks in the PCV system
• Reduces oil vapor and gas leaks from the valve cover area
• Maintains proper crankcase ventilation to reduce engine emissions
• Helps avoid rough idling caused by faulty seals
• Prevents dirt and debris from entering the PCV valve

Installation Notes and Tips

Before installing the Dorman 42322 PCV valve grommet, ensure the mating surfaces are clean and free of old gasket material or debris. The push-on design allows for easy placement onto the PCV valve stem or intake manifold port. Applying a small amount of engine oil to the grommet can aid in sliding it into place. Verify a snug fit to prevent vacuum leaks and ensure optimal emission control system performance.

Quality Assurance and Warranty

Dorman manufactures this PCV valve grommet to meet or exceed OEM standards for fit, form, and function. The rubber material is selected for durability under typical engine operating conditions. While specific warranty details may vary, Dorman generally offers limited warranties covering defects in material and workmanship to provide confidence in product reliability.