Wix 42991 Engine Crankcase Breather Element

Overview of Wix Engine Crankcase Breather Element 42991

The Wix 42991 Engine Crankcase Breather Element is designed to maintain optimal engine performance by effectively filtering crankcase gases. Compatible with various Buick, Ford, Lincoln, Mercury, and Pontiac models, this breather filter supports emission control and engine longevity.

• Class D synthetic media material for efficient filtration
• Dimensions: 4.000 inches length, 1.750 inches width, 1.220 inches height
• Closed inner diameter top design
• Style: Breather filter for crankcase ventilation systems
• Compatible with multiple Ford Econoline models and classic vehicles like Mustang and Thunderbird

Technical Specifications and Features

The Wix 42991 breather element features a synthetic media material that ensures consistent filtration of crankcase vapors, reducing contamination and maintaining engine cleanliness. Its compact size with a length of 4 inches, width of 1.75 inches, and height of 1.22 inches allows for easy integration into the breather system. The closed inner diameter top design helps direct airflow efficiently, supporting proper crankcase ventilation.

Compatible Vehicles and Fitment Details

This engine crankcase breather element is compatible with a wide range of vehicles, including Buick, Ford, Lincoln, Mercury, and Pontiac makes. Notable models include Ford Econoline series (E-100, E-150, E-250, E-350 and their Club Wagon variants), Mustang, Bronco, Capri, Thunderbird, Cougar, and Pontiac Firebird. The part number 42991 ensures precise fitment for these applications, making it suitable for both classic and utility vehicles.

Purpose and Common Issues Addressed

• Prevents crankcase pressure buildup by allowing proper ventilation
• Reduces engine oil contamination from blow-by gases
• Helps maintain emission control compliance
• Minimizes sludge formation inside the engine
• Supports engine performance by filtering harmful particles

Installation Notes and Tips

When installing the Wix 42991 breather element, ensure the engine is cool and the old breather filter is fully removed. Verify the closed inner diameter top aligns correctly with the breather housing. Clean the surrounding area to prevent debris from entering the crankcase during installation. Regular inspection and replacement according to vehicle maintenance schedules will help maintain optimal engine function.

Quality Assurance and Warranty

Wix filters are manufactured to meet stringent quality standards, using synthetic media for durability and consistent performance. The 42991 breather element is designed to provide reliable service life under normal operating conditions. Warranty coverage details can be obtained from Wix or authorized distributors to ensure peace of mind with your purchase.