DPFXFIT replacement DOC for Navistar (2603960C91 / GESI-520)

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 parts or returning a core.

OEM Cross References:

This DOC is a direct replacement for 2603960C91, 5010812R91

Warranty Information:

GESi / DPFXFIT products are covered by a manufactures warranty. DOCs and DPFs are covered by a limited 3-year, unlimited mileage warranty. All warranty claims are subject to inspection by a GESi representative. Full warranty terms and conditions available here.