2021 Western Star 4900 Emission Control
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PAI®EGR Differential Pressure SensorWestern Star 4900 14.9L 2021, EGR Differential Pressure Sensor by PAI®. Sold Individually. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$175.88 - WIX®PCV Breather ElementWestern Star 4900 Canada Built / USA Built 2021, PCV Breather Element by WIX®. Wix Breather Filters remove chemical contaminants and particulate matter from the crankcase. They are made of pleated paper and connected to the breather...Low air flow restrictionIncludes a pleated paper filter$189.60
- PAI®EGR Mounting StudsWestern Star 4900 12.8L / 14.8L / 15.6L 2021, EGR Mounting Studs by PAI®. 6 Pieces. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$5.51
- Dorman HD Solutions®Engine Oil SeparatorWestern Star 4900 12.8L / 14.8L / 15.6L 2021, Engine Oil Separator by Dorman HD Solutions®. The Exhaust Back Pressure Sensor accurately and reliably reads the vehicles exhaust pressure, enabling the PCM to control the amount of turbo...Direct replacement ensures a proper fit every timeMatches OE fit, form and function$294.78
- Walker Products®Nitrogen Oxide SensorWestern Star 4900 2021, Nitrogen Oxide Sensor by Walker Products®. The Exhaust Gas Recirculation Valve, also referred to as EGR, meters the exhaust gas that is being recirculated into the intake manifold. This exhaust gas recirculation...Valve gets stuck in the closed or open position due to a build-up of dirt, debris, or carbonClogged catalytic converter$387.77 - $446.35
- Dorman HD Solutions®EGR Cooler ClampWestern Star 4900 14.9L 2021, EGR Cooler Clamp by Dorman HD Solutions®. Prevent leaks at the EGR cooler with this direct-replacement EGR cooler clamp. Constructed of stainless steel, it's made to resist corrosion and to provide a long...Direct replacement - this EGR cooler clamp directly replaces the original equipment clampDurable construction - this EGR cooler clamp is made of stainless steel to withstand extreme heat and to resist corrosion$25.17 - $26.44
- Dorman HD Solutions®Diesel Particulate Filter GasketWestern Star 4900 14.9L 2021, Diesel Particulate Filter Gasket by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance$67.84
- Dorman HD Solutions®Diesel Particulate Filter ClampWestern Star 4900 14.9L 2021, Diesel Particulate Filter Clamp by Dorman HD Solutions®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance$74.78
- DuraFit™Diesel Oxidation CatalystUniversal Diesel Oxidation Catalyst by DuraFit™. Want to restore the exhaust system of your diesel vehicle? Then replacement parts by Durafit are the way to go. Precision engineered in every detail, this top-quality product will...Exact-fit designs for your specific applicationHigh-grade stainless steel canisters for improved durability$1,331.26 - $2,778.55
- DuraFit™Diesel Particulate FilterDiesel Particulate Filter by DuraFit™. Want to restore the exhaust system of your diesel vehicle? Then replacement parts by Durafit are the way to go. Precision engineered in every detail, this top-quality product will perfectly fit...Exact-fit designs for your specific applicationHigh-grade stainless steel canisters for improved durability$1,105.00 - $4,212.89
- DuraFit™Diesel Particulate Filter GasketUniversal Diesel Particulate Filter Gasket by DuraFit™. Want to restore the exhaust system of your diesel vehicle? Then replacement parts by Durafit are the way to go. Precision engineered in every detail, this top-quality product will...Exact-fit designs for your specific applicationHigh-grade stainless steel canisters for improved durability$20.90 - $137.56
- DuraFit™Diesel Particulate Filter V-Band ClampUniversal Diesel Particulate Filter V-Band Clamp by DuraFit™. Want to restore the exhaust system of your diesel vehicle? Then replacement parts by Durafit are the way to go. Precision engineered in every detail, this top-quality...Exact-fit designs for your specific applicationHigh-grade stainless steel canisters for improved durability$37.60 - $60.92
