Dorman 46002 Engine Crankcase Breather Hose

Reliable Engine Crankcase Breather Hose for GM Vehicles

The Dorman 46002 engine crankcase breather hose is designed to maintain proper ventilation in the crankcase system of select Buick, Chevrolet, Oldsmobile, and Pontiac models. Made from durable rubber, this emission hose ensures consistent performance and helps control engine emissions effectively.

• Constructed from high-quality rubber for flexibility and durability
• Compatible with Buick, Chevrolet, Oldsmobile, and Pontiac models including Cavalier, Celebrity, Corsica, Cutlass Supreme, Grand Prix, Lumina, Regal, and Sunbird
• Part number 46002 ensures precise fitment and easy identification
• Designed to meet or exceed OEM specifications for emission control
• Single emission hose included in the package for straightforward replacement

Durable Rubber Material for Emission Control

The Dorman 46002 crankcase breather hose is crafted from rubber, providing the necessary flexibility and resistance to heat and oil vapors commonly found in engine compartments. This material choice supports long-term durability and helps maintain the integrity of the crankcase ventilation system. Proper ventilation reduces pressure buildup and prevents harmful emissions from entering the atmosphere, contributing to cleaner engine operation.

Compatible Buick, Chevrolet, Oldsmobile, and Pontiac Models

This emission hose is compatible with a range of GM vehicles, including Buick Regal, Chevrolet Cavalier and Lumina, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix, Celebrity, Corsica, and Sunbird. Using the correct part number 46002 ensures a proper fit and reliable function within the crankcase ventilation system of these specific models.

Common Applications and Issues Addressed

• Prevents crankcase pressure buildup that can cause oil leaks
• Helps reduce engine emissions by venting blow-by gases
• Maintains engine performance by ensuring proper ventilation
• Replaces cracked or hardened breather hoses that may cause vacuum leaks
• Supports compliance with emission control regulations

Installation Notes and Tips

When installing the Dorman 46002 breather hose, ensure the engine is cool to avoid injury. Remove the old hose carefully to prevent damage to surrounding components. Verify that the new hose is routed correctly and securely connected to both the crankcase and intake manifold or PCV valve. Inspect clamps and fittings for wear and replace if necessary to maintain a tight seal.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for emission control systems. The 46002 engine crankcase breather hose undergoes quality checks to ensure durability and fitment accuracy. Warranty coverage details can be obtained from the product documentation or manufacturer to confirm protection against defects.