Wix 42705 Engine Air Filter

Engine Air Filter Overview

WIX 42705 is a heavy-duty engine air filter built for direct air filtration service on compatible applications. It uses flame-retardant cellulose media, metal ends, and a durable filter body to support consistent airflow and contaminant capture.

Key Features

• Premium filtration media with pleat stabilization features where applicable.
• Flame-retardant cellulose media for engine air filtration service.
• Metal ends and corrosion-resistant construction for durability.
• Laboratory-tested to ISO 5011 standards with minimum 99.9% contaminant removal.
• Recommended for OEM air filter change intervals.

Detailed Description

WIX 42705 is an engine air filter for compatible Isuzu Impulse applications from 1983-1989. It is built with heavy-duty construction, including flame-retardant cellulose media, metal ends, and a corrosion-resistant body design to help maintain filtration performance over service intervals. The filter’s 80 CFM rating and stabilized pleat design support steady airflow while the media works to capture airborne contaminants before they reach the engine. This part number, 42705, is also referenced across multiple aftermarket and OE cross-reference listings for the same application.

For buyers searching for an Isuzu Impulse engine air filter, WIX 42705 provides a direct replacement option for routine air filter service. The part number 42705 is commonly used when replacing a worn or restricted filter on 1983-1989 Isuzu Impulse models.

What It Helps Address

• Restricted airflow caused by a loaded or dirty air filter.
• Reduced filtration efficiency from a worn filter element.
• Dust and debris entering the intake system.
• Service replacement needs at OEM air filter intervals.
• Premature wear linked to poor intake air cleanliness.

Installation Notes and Tips

Verify the air cleaner housing dimensions and match the filter to the vehicle application before installation. Replace the filter at the manufacturer-recommended service interval, or sooner in dusty operating conditions. Confirm the part number 42705 against the existing filter and vehicle records when servicing an Isuzu Impulse.

Quality Assurance

WIX states that this filter line is laboratory tested to ISO 5011 standards and engineered for high contaminant removal efficiency. The heavy-duty construction and corrosion-resistant components are intended to support dependable service life in routine engine air filtration applications.