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This kit pairs high-purity DEF Fluid with our DEF Guard Additive to deliver maximum protection and performance
Perforated droplet holes for maximum airflow
and longer engine life
High resistance to heat and cracking
Engineered for Modern Emissions Standards - Optimized for 2017 GHG-compliant diesel engines
Doc's Auto Parts Engine Air Filter DA9967 1992-2006 This kit pairs high-purity DEFDocs Auto Parts Engine Air Filters: Doc's Auto Parts Premium Engine Air Filters are built for reliable performance and everyday durability. They help block dirt, dust, and debris that can cause premature engine wear, keeping clean air flowing to your engine. A high quality silicone gasket creates a secure seal, even in harsh or dusty driving conditions, while deep pleated filter media captures more contaminants to support smoother operation, improved