Dorman 46059 PCV Valve Tubing

Overview of Dorman PCV Valve Tubing for Chevrolet, GMC, and Hummer

The Dorman 46059 PCV valve tubing is designed to maintain proper crankcase ventilation in select Chevrolet, GMC, and Hummer models. Made from durable rubber, this tubing ensures a secure slip-on connection and precise fit for vehicles like the Chevrolet Colorado and GMC Canyon.

• Constructed from high-quality rubber material for flexibility and durability
• Inside diameter of 0.496 inches and outside diameter of 0.791 inches for accurate fitment
• Slip-on attachment method for straightforward installation
• Compatible with Chevrolet Canyon, Colorado, GMC Canyon, Colorado, Hummer H3, and H3T models
• Part number 46059 ensures correct replacement part

Detailed Product Description

The Dorman 46059 PCV valve tubing is engineered to replace worn or damaged crankcase ventilation hoses in specific GM vehicles. Its rubber construction provides resistance to heat and oil vapors, maintaining the integrity of the emission control system. The tubing’s inside diameter of 0.496 inches and outside diameter of 0.791 inches match OEM specifications, ensuring a proper seal and preventing leaks. The slip-on attachment method simplifies the installation process, reducing the need for additional clamps or tools.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup by allowing proper ventilation
• Eliminates oil vapor leaks that can cause engine performance issues
• Replaces cracked or brittle PCV valve tubing to restore emission control function
• Helps reduce engine oil contamination and sludge formation
• Supports compliance with emission standards in Chevrolet, GMC, and Hummer vehicles

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Remove the old tubing carefully to avoid damaging adjacent components
• Confirm the inside and outside diameters match the original tubing for proper fit
• Slip the tubing fully onto the PCV valve and intake manifold fittings for a secure connection
• Inspect surrounding hoses and clamps for wear during replacement

Quality Assurance and Warranty

Dorman manufactures the 46059 PCV valve tubing to meet or exceed OEM standards for material and fitment. The rubber tubing is tested for durability and resistance to typical engine bay conditions. While specific warranty details may vary, Dorman generally offers limited warranties covering defects in material and workmanship to ensure product reliability.