Exhaust

Volvo/Mack V-Band Clamp By BESTfitBuilt for strength and durability, the BESTfit Volvo/Mack V-Band Clamp is designed specifically for D13 and MP8 engine applications. This high-quality exhaust clamp is engineered to perform in high-temperature...

Cummins NOx Sensor By BESTfitBuilt for precision and reliability, the BESTfit Cummins NOx Sensor replaces OEM part numbers 2120751016, 4326862, and A044C659 for Cummins applications. This sensor delivers accurate measurement of nitrogen oxide levels in...

Cummins NOx Sensor By BESTfitBuilt for reliability and accuracy, the BESTfit Cummins NOx Sensor replaces OEM part numbers 2894944, 5EL007, and 5WK96691A for Cummins applications. This sensor delivers precise measurement of nitrogen oxide levels in the...

Cummins Diesel Oxidation Catalyst By BESTfitBuilt for durability and efficiency, the BESTfit Cummins ISL Diesel Oxidation Catalyst (DOC) replaces OEM part numbers 319371, 472001, and 6359405. This high-performance emissions component is designed to...

Volvo/Mack NOx Sensor By BESTfitBuilt for durability and precision, the BESTfit Volvo/Mack NOx Sensor replaces OEM part numbers 22303390, 8CL001, and S11390 for Mack and Volvo VNL applications. This sensor is designed to deliver accurate nitrogen oxide...

Cummins Diesel Particulate Filter By BESTfitBuilt for performance and durability, the BESTfit Cummins Diesel Particulate Filter (DPF) replaces OEM part numbers 21850658, 85000726, and VQ1202 for Volvo/Mack D11, D13, and D16 engines. This high-quality DPF...

Detroit Diesel 1-Box Assembly By BESTfitBuilt for performance and durability, the BESTfit Detroit Diesel 1-Box Emissions Assembly replaces OEM part numbers 2140200002, 35035, and C0305FL for DD13 and DD15 applications. This integrated emissions system is...

Volvo/Mack Diesel Particulate Filter Gasket By BESTfitBuilt for durability and performance, the BESTfit Volvo/Mack DPF Gasket replaces OEM part numbers 20863879, 21371338, and ENVGVM10 for Volvo and Mack applications. This high-quality gasket is designed...

Volvo/Mack NOx Sensor By BESTfitBuilt for precision and durability, the BESTfit Volvo/Mack NOx Sensor delivers reliable emissions monitoring for Mack and Volvo VNL trucks. Replacing OEM part numbers 21069361, 22303391, and 5WK97366, this high-quality...

Detroit Diesel NOx Sensor By BESTfitBuilt for reliable emissions control, the BESTfit Detroit Diesel NOx Sensor delivers accurate NOx measurement for DD13 and DD15 engines. Replacing OEM part numbers A0101532228, EA0101532228, and S11228, this...

Cummins Diesel Particulate Filter Gasket By BESTfitBuilt for durability and performance, the BESTfit Cummins DPF Gasket replaces OEM part numbers 4966441, G02005, and KPI50098G for Cummins applications. This high-quality gasket is designed to create a...

Cummins V-Band Clamp By BESTfitBuilt for strength and reliability, the BESTfit Cummins V-Band Clamp is designed to meet the demands of high-performance diesel exhaust systems. Made from durable steel, it withstands intense heat and vibration while...