Explore Workhorse W42 Filters & Workhorse W42 Oil Filter Lookup. Browse Workhorse W42 Air Filters. Locate Workhorse W42 Automotive Filters Cross Reference. Maintaining your Workhorse W42's car filters is crucial for optimal performance and longevity. Regularly check your air, oil, and fuel filters for signs of clogging or damage, which can manifest as reduced fuel efficiency or a sputtering engine, signaling it's time for a replacement. Extend their lifespan by ensuring a clean operating environment and adhering to service intervals. When selecting a new filter, opt for quality brands that offer high-grade materials and a perfect fit for your W42, ensuring seamless installation and robust engine protection. By investing in top-tier filters, you safeguard your vehicle's health, ensuring a smooth, efficient ride with every journey.