Wix 42720 Engine Crankcase Breather Element

Overview

WIX 42720 is a heavy-duty engine crankcase breather element built with flame retardant cellulose media and metal ends for demanding filtration service. It is a direct fit for a range of classic applications, including Jeep CJ5, Chevrolet Corvette, and Chrysler 300 models listed below.

Key Features

• Flame retardant cellulose media for durable filtration performance.
• Metal ends for added structural support.
• Heavy-duty construction for service in demanding environments.
• Compact filter dimensions: 3.671 in. height with 1.970 in. bottom outer diameter.
• WIX 42720 is engineered as an air filter-style breather element.

Detailed Description

WIX 42720 uses premium filtration media with pleat stabilization features referenced by the manufacturer for consistent media support where applicable. The filter is built with corrosion-resistant construction elements and an expanded metal body design to improve durability in service. Laboratory testing referenced by WIX reports minimum contaminant removal efficiency of 99.9% under ISO 5011 testing conditions. This part cross-references Baldwin PA1671 and Donaldson P528234 for the same application.

Compatible With 1953 Buick Roadmaster, N/A; 1957-1963 Chevrolet Corvette, N/A; 1958-1960 Chevrolet Bel Air, N/A; 1958-1960 Chevrolet Impala, N/A; 1957-1963 Chrysler 300, N/A; 1957-1963 Chrysler Town & Country, N/A; 1957-1958 Chrysler New Yorker, N/A; 1960-1962 Dodge Dart, N/A; 1959-1962 Jeep CJ5, N/A; 1971 Jeep CJ5, N/A.

Common Uses

• Replacing a worn or restricted crankcase breather element.
• Restoring proper filtration in a heavy-duty air filter-style service part.
• Addressing contamination buildup in the breather housing.
• Supporting cleaner airflow through the filtration element.

Installation Notes

Verify dimensions and housing style before installation. Confirm the part number 42720 against the existing filter and match the listed application exactly. The part number 42720 should be checked against the vehicle’s service requirements before replacement.

Quality Assurance

WIX states that this filter line is recommended for OEM air filter change intervals and is built with durable materials intended for long service life. ISO 5011 laboratory testing is cited by the manufacturer for contaminant removal performance.