Best selling products (228)

Durafit Replacement DOC for Cummins ISB 6.7L (4965338 / C20-0046)
$2,274.00
DuraFit™ replacement Diesel Oxidation Catalyst (DOC) for Cummins ISB 6.7L Engines. **Gaskets included!** Replaces OEM Numbers: 4965338, 5287474. DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to California at this time.

Durafit Replacement DOC for MaxxForce 7 / DT (2596407C92 / C20-0026)
$2,124.00
DuraFit™ replacement Diesel Oxidation Catalyst (DOC) for Navistar MaxxForce 7 / DT Engines. **Gaskets included!** Replaces OEM Numbers: 2596407C92, 2595007C91, 501122R91, 2510787C91. DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to California at t...

Durafit replacement DOC for Volvo / Mack (20864129 / C20-0009)
$2,976.00
DuraFit™ replacement Diesel Oxidation Catalyst (DOC) for Volvo and Mack D11 / D13 Engines. **Gaskets included!** Replaces OEM Numbers: 20864129/ 21850645/ 20864120/ 85001355/ 85013895/ Q621417 DuraFit DPFs and DOCs are so durable they come with a nationwide 3-year, unlimited mileage warranty. Made in the USA! Cannot be sold or shipped to Cali...

DPFXFIT Replacement DOC for Paccar MX-13 (1912726 / GESI-560)
$2,406.00
This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible p...

DPFXFIT Replacement DOC for Cummins ISX (5274535 / GESI-537)
$2,693.00
This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible p...

DPFXFIT Replacement DOC for Cummins ISC / ISL (2880153 / GESI-543)
$1,839.00
This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible p...

DPFXFIT Replacement DOC for Cummins ISC / ISL (2880498 / GESI-538)
$1,884.00
This new aftermarket DOC is a direct replacement for the OEM unit. GESi DOC's are made of stainless steel housings and use new substrates, this ensures you get a product built to last. These DOC's also include necessary clamps and gaskets, and there is no core charge which means you can buy and install without worrying about getting compatible p...

Skyline OEM Replacement DOC for Detroit / Mercedes (A6804901514 / DNT509-C)
$4,656.00
Skyline OEM DOC Replacement for Detroit / Mercedes (DNT509-C) Replaces OEM numbers: A6804901514, RA6804901514, EA6804901514 Includes the required gaskets and clamps! Each Skyline DPF / DOC is specifically designed as a direct replacement for the OEM filter. Our Exact-Fit™ approach makes installation fast and easy without cutting or welding to g...

Skyline OEM Replacement DOC for Paccar PX-8+ ISL9 (2880631 / CJ0429-C)
$2,251.00
Skyline OEM DOC Replacement for Cummins ISL9 and Paccar PX8 (CJ0429-C) Replaces OEM numbers: 2880631, 2880631NX, 2880631RX, A029U810 Includes the required gaskets and clamps! Each Skyline DPF / DOC is specifically designed as a direct replacement for the OEM filter. Our Exact-Fit™ approach makes installation fast and easy without cutting or weld...

Skyline OEM DOC Replacement for Cummins ISX (4353282 / XN0651-C)
$2,749.00
Skyline OEM DOC Replacement for Cummins ISX (XN0651-C) Replaces OEM numbers: 4353282, 4353282NX, 4353282RX, A047V482, 4329123, 4329123NX, A045G881, 4353262, 4353262NX, 4353262RX, A047V458, 4328732, 4328732NX, A043J473 Includes the required gaskets and clamps! Each Skyline DPF / DOC is specifically designed as a direct replacement for the OEM fil...

Skyline OEM DOC Replacement for Paccar MX-13 ( MQ0417-C / 2131526 )
$3,088.00
Skyline OEM DOC Replacement for Cummins ISX (XN0614-C) Each Skyline DPF / DOC is specifically designed as a direct replacement for the OEM filter. Our Exact-Fit™ approach makes installation fast and easy without cutting or welding to get you back on the road. Skyline Emissions filters are designed and manufactured in the USA, and ship from sever...

New OEM "Take-off" Cummins Outlet Catalyst Module (4394891)
$4,000.00
This OEM CUMMINS 4394891 Outlet Catalyst Module (SCR) is a brand new "Take Off" unit and has never been ran. Replaces: A071X555 / 4394891 Legal for sale and use in all 50 states including California. This is not an aftermarket part, it is OEM. These units are OEM "take-offs", they are brand new and unused but do not come in Cummins retail packag...
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