Provide your semi with essential parts that come with Expertise Built In™, like the OTR OTRAF20043 Air Filter that protects your engine to keep it performing at its best. This replacement air filter system traps dust, dirt, and other contaminants before they enter motor, leading to cleaner air and enhanced vehicle performance. Engineered with durable materials and efficient technology to extend service intervals and reduce how often each filter should be changed. OTR understands what it takes to repair and maintain Class 6-8 trucks, so they deliver solutions, making your job easier and more efficient. OTR warranties are comparable to or better than OE and top brands. All heavy duty truck parts offer the same form, function, and fit as the OE replacement parts. FleetPride is your First Click in Heavy Duty®.