Full Product Description
The [WIX WA11057 Workhorse Filter](link{queries: [“WIX WA11057 air filter features and benefits”]}) is built to withstand the demanding conditions of heavy-duty towing and off-road job sites. Utilizing phenolic resin-treated cellulose media, this filter offers excellent durability against moisture ingestion and high-heat environments. Its specialized high-tear strength polyurethane seal creates an airtight fit within the air box, preventing “dirty air” from bypassing the filter and damaging critical engine components like cylinder walls and pistons.
WIX filters are the preferred choice for owners following OEM maintenance intervals, especially in severe driving conditions like stop-and-go traffic or gravel roads. The nine pleats per inch design maximizes the surface area for dirt holding, extending the life of the filter and maintaining optimal airflow for better fuel economy and throttle response.
Key Features & Benefits
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99.5% Filtration Efficiency: Laboratory tested to ISO 5011 standards to trap even the smallest soot and carbon particles.
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Heavy-Duty Construction: Features 30% more media than standard filters for increased dirt-holding capacity and longer service intervals.
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Extreme Climate Reliable: High-tear strength polyurethane seal remains flexible and effective in extreme hot and cold temperatures.
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Moisture Resistant: Phenolic resin treatment prevents the media from collapsing or tearing when exposed to humid or wet conditions.
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Direct OEM Replacement: Designed to fit perfectly into the factory air box of GM’s heavy-duty truck platform.
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Broad Compatibility: Works with both 6.6L V8 Gas and 6.6L Duramax Turbo-Diesel configurations.
Vehicle Fitment (2020-2025)
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Chevrolet Silverado 2500 HD / 3500 HD (All trims including High Country, LTZ, LT, WT)
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GMC Sierra 2500 HD / 3500 HD (All trims including Denali, AT4, SLT, SLE, Pro)
Technical Specifications
| Feature | Details |
| Brand | WIX Filters (Mann+Hummel) |
| Part Number | WA11057 |
| Filter Style | Panel Air Filter |
| Dimensions | 13.32″ (L) x 9.14″ (W) x 2.76″ (H) |
| Media Type | Treated Cellulose |
| OEM Cross-Ref | GM 84554703, AC Delco A3248C, Fram CA12779 |
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