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Best selling products (3)

DPFXFIT replacement DOC for CUMMINS ISL-G (CNG) (4969771 / GESi-601)
$1,962.00
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...
OEM Cummins ATSA, 5418214 / 5418385

OEM Cummins ATSA, 5418214 / 5418385
$15,000.00
New OEM Cummins Aftertreatment System Assembly, 5418214, A057R606 for Compressed Natural Gas (CNG) engines. The Cummins Aftertreatment Device is used primarily on EPA17 8.9 liter ISC/ISL engines. The Assembly consist of the following components :(1) 4384145...

Durafit replacement DOC for Cummins ISL-G (4969771 / C20-0042)
$2,103.00
Durafit replacement Diesel Oxidation Catalyst (DOC) for Cummins ISL-G Engines. Gaskets included. Replaces OEM Numbers: 4969771, 4969770, Q621799, Q622913 Redline part number REP 58842 Can not be sold or shipped to California at this time.