Dorman 47128 PCV Valve Hose

Reliable PCV Valve Hose for Jeep Cherokee, Grand Cherokee, and Wrangler

The Dorman 47128 PCV valve hose is designed to maintain proper crankcase ventilation in select Jeep models. Engineered with durable NBR material, this hose ensures consistent performance and longevity for your Jeep Cherokee, Grand Cherokee, or Wrangler.

• Constructed from high-quality NBR (Nitrile Butadiene Rubber) for resistance to oil and heat
• Overall length of 2.56 inches for precise fitment
• Inside diameter of 0.511 inches for optimal airflow
• Hose ends feature a 0.307 inch inside diameter to connect securely to PCV valve components
• Package includes two hoses for replacement needs

Durable Design and Precise Dimensions

The Dorman 47128 PCV valve hose is manufactured to meet the exact specifications required for Jeep Cherokee, Grand Cherokee, and Wrangler models. The NBR material offers excellent resistance to oil, heat, and environmental factors, helping to prevent hose degradation over time. With a length of 2.56 inches and carefully measured inside diameters, this hose ensures a tight, leak-free connection within the crankcase ventilation system.

Compatible Jeep Models and Applications

This PCV valve hose is compatible with the following Jeep vehicles:

• Jeep Cherokee
• Jeep Grand Cherokee
• Jeep Wrangler

It is designed to replace worn or damaged hoses in the crankcase ventilation system, helping to maintain proper engine performance and emissions control.

Common Issues Addressed by the Dorman 47128 PCV Valve Hose

• Crankcase pressure buildup due to clogged or leaking hoses
• Oil leaks around the PCV valve connection points
• Engine performance issues related to improper ventilation
• Increased emissions from faulty crankcase ventilation
• Hose deterioration caused by heat and oil exposure

Installation Notes and Tips

When installing the Dorman 47128 PCV valve hose, ensure the engine is cool to avoid burns. Remove the old hose carefully to prevent damage to surrounding components. Verify that the hose ends fit securely on the PCV valve and intake manifold connections. It is recommended to replace both hoses included in the package to maintain balanced ventilation. Inspect related components for wear or damage during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 47128 PCV valve hose undergoes rigorous quality control to ensure durability and reliable performance in Jeep Cherokee, Grand Cherokee, and Wrangler models. This product is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.