Peterbilt 337 Emission Control
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Baldwin Filters®Crankcase BreatherCrankcase Breather by Baldwin Filters®. Baldwin crankcase ventilation filters reduce blow-by, which is generated by combustion gases leaking past piston rings, producing oil droplets that would otherwise increase emissions.High quality at an affordable priceExpertly made from premium materials$44.41 - $117.44 - Dorman HD Solutions®EGR CoolerEGR Cooler by Dorman HD Solutions®. This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to...Direct replacement - this EGR cooler is made to match the fit and function of the original part on specific applicationsRigorously tested - heat transfer testing, burst testing and vehicle try-on testing ensures fit and reliability$48.44 - $2,420.41
- Dorman HD Solutions®Exhaust Gas Temperature SensorExhaust Gas Temperature Sensor by Dorman HD Solutions®. EGT sensors frequently seize in the exhaust bung, making replacement difficult and damaging the bung. This Dorman OE FIX solution directly replaces the sensor and comes with a bung...Convenient solution - this replacement EGT sensor comes with a bung repair kit in case the bung is damaged during removalCost-effective fix - bung repair kit allows direct repair of damaged bung instead of replacing entire exhaust pipe$55.49 - $334.16
- Dorman HD Solutions®Nitrogen Oxide SensorNitrogen Oxide Sensor by Dorman HD Solutions®. This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide detection to comply with emissions...Direct replacement - this replacement NOx sensor matches the function and performance of the original sensor on specified vehiclesRestores performance - properly repairs nitrogen oxide detection to comply with regulations$351.76 - $488.88
- PAI®EGR Differential Pressure SensorEGR 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 level of craftsmanship....2 Years WarrantyPerfect blend of leading innovations and superior workmanship$175.88
- WIX®Breather FilterBreather Filter 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 tube. These filters also trap oil mist and keep it inside...Low air flow restrictionIncludes a pleated paper filter$5.77 - $273.75
- Dorman HD Solutions®Diesel Emissions Fluid Filler CapDiesel Emissions Fluid Filler Cap by Dorman HD Solutions®. This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable...Direct replacement - this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehiclesRestores functionality - reliable replacement for an original cap that is leaking or failed due to wear$17.46 - $32.51
- Gates®Diesel Emissions Fluid HoseDiesel Emissions Fluid Hose by Gates®. Diesel Emission Fluid (DEF) Hose Assemblies are specially designed and manufactured to convey Diesel Emission Fluid (DEF). Because DEF freezes at +11°F (-12°C), the hose and couplings are...Made with precision and quality in mindDesigned to meet your specific needs$38.20 - $257.63
- PAI®EGR Valve GasketEGR Valve Gasket by PAI®. 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 craftsmanship. Manufactured from industry-leading materials...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$4.81 - $26.15
- Dorman HD Solutions®Diesel Particulate FilterDiesel Particulate Filter 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. It will meet your needs and deliver...High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance$1,749.64 - $4,911.25
- Dorman HD Solutions®EGR Cooler ClampEGR 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 service life. Recommended...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 - $95.33
- Baldwin Filters®Crankcase Breather (CV15010)Crankcase Breather (CV15010) by Baldwin Filters®. Baldwin crankcase ventilation filters reduce blow-by, which is generated by combustion gases leaking past piston rings, producing oil droplets that would otherwise increase emissions.High quality at an affordable priceExpertly made from premium materials$79.38
- Baldwin Filters®Crankcase Breather Filter (CV15000)Crankcase Breather Filter (CV15000) by Baldwin Filters®. Baldwin crankcase ventilation filters reduce blow-by, which is generated by combustion gases leaking past piston rings, producing oil droplets that would otherwise increase...High quality at an affordable priceExpertly made from premium materials$70.19
- Dorman HD Solutions®EGR Cooler (904-5051)EGR Cooler (904-5051) by Dorman HD Solutions®. This EGR cooler has been engineered to match the fit and function of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM...Direct replacement - this EGR cooler is made to match the fit and function of the original part on specific applicationsRigorously tested - heat transfer testing, burst testing and vehicle try-on testing ensures fit and reliability$1,139.12
- Dorman HD Solutions®Exhaust Gas Temperature (EGT) Sensor (904-7134)Exhaust Gas Temperature (EGT) Sensor (904-7134) by Dorman HD Solutions®. Position: Before SCR Catalyst. EGT sensors frequently seize in the exhaust bung, making replacement difficult and damaging the bung. This Dorman OE FIX solution...Convenient solution - this replacement EGT sensor comes with a bung repair kit in case the bung is damaged during removalCost-effective fix - bung repair kit allows direct repair of damaged bung instead of replacing entire exhaust pipe$119.26
- Dorman HD Solutions®Nitrogen Oxide Sensor (904-6023)Nitrogen Oxide Sensor (904-6023) by Dorman HD Solutions®. This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide detection to comply with...Direct replacement - this replacement NOx sensor matches the function and performance of the original sensor on specified vehiclesRestores performance - properly repairs nitrogen oxide detection to comply with regulations$419.94
- Dorman HD Solutions®Nitrogen Oxide Sensor (904-6002)Nitrogen Oxide Sensor (904-6002) by Dorman HD Solutions®. Location: SCR Catalyst Outlet. This NOx sensor has been made to match the original equipment sensor on certain vehicle years, makes and models, properly restoring nitrogen oxide...Direct replacement - this replacement NOx sensor matches the function and performance of the original sensor on specified vehiclesRestores performance - properly repairs nitrogen oxide detection to comply with regulations$388.90
- PAI®EGR Differential Pressure Sensor (050741)EGR Differential Pressure Sensor (050741) 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 level of craftsmanship....2 Years WarrantyPerfect blend of leading innovations and superior workmanship$175.88
- WIX®PCV Breather Element (WS10021)PCV Breather Element (WS10021) 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 tube. These filters also trap oil mist and...Low air flow restrictionIncludes a pleated paper filter$189.60
- Dorman HD Solutions®Diesel Emissions Fluid Filler Cap (904-5401)Diesel Emissions Fluid Filler Cap (904-5401) by Dorman HD Solutions®. This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and...Direct replacement - this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehiclesRestores functionality - reliable replacement for an original cap that is leaking or failed due to wear$17.71
- PAI®EGR Valve Gasket (131872)EGR Valve Gasket (131872) 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 level of craftsmanship. Manufactured from...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$4.81
- 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
- Dorman HD Solutions®Diesel Emissions Fluid Filler Cap (904-5401CD)Diesel Emissions Fluid Filler Cap (904-5401CD) by Dorman HD Solutions®. This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and...Direct replacement - this diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap on specified vehiclesRestores functionality - reliable replacement for an original cap that is leaking or failed due to wear$17.87
- Dorman HD Solutions®EGR Cooler Clamp (904-0261)EGR Cooler Clamp (904-0261) 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 service life....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
- Dorman HD Solutions®EGR Cooler Clamp (904-0251)EGR Cooler Clamp (904-0251) 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 service life....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$26.44
- Gates®Diesel Emissions Fluid Hose (DEF7000)Diesel Emissions Fluid Hose (DEF7000) by Gates®. Carbon Fiber Heating Mechanism. Diesel Emission Fluid (DEF) Hose Assemblies are specially designed and manufactured to convey Diesel Emission Fluid (DEF). Because DEF freezes at +11°F...Made with precision and quality in mindDesigned to meet your specific needs$159.56
- Gates®Diesel Emissions Fluid Hose (DEF7020)Diesel Emissions Fluid Hose (DEF7020) by Gates®. Carbon Fiber Heating Mechanism. Diesel Emission Fluid (DEF) Hose Assemblies are specially designed and manufactured to convey Diesel Emission Fluid (DEF). Because DEF freezes at +11°F...Made with precision and quality in mindDesigned to meet your specific needs$84.75
