Mopar 53013723AC Engine Crankcase Breather Hose - Oil Filler To Intake Air Tube

Mopar Crankcase Breather Hose for Jeep Liberty

This Mopar engine crankcase breather hose is a direct-fit emission control component for the crankcase ventilation system. It routes vapors from the oil filler area to the intake air tube on the specified Jeep Liberty applications, helping maintain proper crankcase ventilation and OE-style routing.

• Brand: Mopar
• Part number: 53013723AC
• Engine crankcase breather hose for emission control service
• Fits 2005-2006 Jeep Liberty, oil filler to intake air tube
• Supersedes part number 53013723AB

Detailed Fitment and Function

Fits 2005-2006 Jeep Liberty, oil filler to intake air tube. This Mopar 53013723AC hose is used in the crankcase ventilation path to connect the oil filler side to the intake air tube, supporting proper vapor routing in the emission control system. For Jeep Liberty owners replacing a cracked, hardened, or leaking breather hose, Mopar 53013723AC provides the correct application-specific fitment for the listed model years.

What This Part Helps Address

• Cracked or split crankcase breather hose
• Oil vapor routing issues in the crankcase ventilation system
• Loose or deteriorated hose connection at the oil filler to intake air tube path
• Vacuum-related drivability concerns caused by hose leakage
• Emission control service needs on a Jeep Liberty

Installation Notes and Tips

Verify the hose routing against the existing layout before removal, especially on 2005-2006 Jeep Liberty models. Inspect adjoining fittings and the intake air tube for wear, oil saturation, or damage before installing the replacement hose. Confirm the part number 53013723AC matches the vehicle’s original routing and supersession reference 53013723AB.

Quality Assurance

As a Mopar OE replacement part, this breather hose is built for the listed Jeep Liberty application and the specified crankcase ventilation routing.