Cummins ISX DOC 2021 15L | OEM Fit | 4394855 Made In USA
Cummins ISX DOC 2021 15L | OEM Fit | 4394855 Made In USA - Image 2
Cummins ISX DOC 2021 15L | OEM Fit | 4394855 Made In USA - Image 3
Cummins ISX DOC 2021 15L | OEM Fit | 4394855 Made In USA - Image 4

Cummins ISX DOC 2021 15L | OEM Fit | 4394855 Made In USA

  • Direct OEM Fit

  • In Stock – Ships within 24 Hours

  • Backed By a 3-Year Warranty

  • Built in the USA with Brand-New Internal Core

Free Shipping! – 2 Day and Overnight Options at Checkout

30-Day Returns Accepted on Unused Parts

$2,199.00

In stock

In stock

Refundable Core Deposit $300.00
Total Payable Amount $2,499.00
DOC_DPF-Clamp-Large

DPF/DOC Clamp for Cummins/Paccar 5304849

Upgrade your diesel emissions system with our high-quality V-band clamp, engineered for a secure, leak-free connection between exhaust components. Built from durable stainless steel, this clamp provides exceptional strength and corrosion resistance under extreme temperatures and vibration. Designed for precision fitment, it ensures quick installation and reliable sealing for DPF, DOC, and other exhaust assemblies. Ideal for fleets, repair shops, and performance applications—this V-band clamp delivers the durability and dependability your diesel system demands.

Replaces part number: 5304849

In stock

Inlet-DOC-Clamp-Small

Exhaust Clamp for Cummins 2880213

Upgrade your diesel emissions system with our high-quality V-band clamp, engineered for a secure, leak-free connection between exhaust components. Built from durable stainless steel, this clamp provides exceptional strength and corrosion resistance under extreme temperatures and vibration. Designed for precision fitment, it ensures quick installation and reliable sealing for DPF, DOC, and other exhaust assemblies. Ideal for fleets, repair shops, and performance applications—this V-band clamp delivers the durability and dependability your diesel system demands.

Replaces part number: 2880213

In stock

Inlet DOC Gaket Small

DOC Inlet Gasket for Cummins/Paccar 2880215

Upgrade your diesel emissions system with our high-quality exhaust gasket, designed to deliver a secure, leak-free seal between exhaust components. Crafted from durable, heat-resistant materials, this gasket ensures lasting performance and superior protection against exhaust leaks, even under extreme temperatures and vibration. Engineered for precise fitment, it installs easily and maintains a tight seal for DPF, DOC, and other emissions assemblies. Perfect for fleets, repair shops, and independent operators—this gasket provides the reliability and durability your diesel system depends on.

Replaces gasket part number: 2880215

In stock

DOC Gasket

DPF/DOC Gasket for Cummins/Paccar 5304868

Upgrade your diesel emissions system with our high-quality exhaust gasket, designed to deliver a secure, leak-free seal between exhaust components. Crafted from durable, heat-resistant materials, this gasket ensures lasting performance and superior protection against exhaust leaks, even under extreme temperatures and vibration. Engineered for precise fitment, it installs easily and maintains a tight seal for DPF, DOC, and other emissions assemblies. Perfect for fleets, repair shops, and independent operators—this gasket provides the reliability and durability your diesel system depends on.

Replaces gasket part number: 5304868

In stock

Additional information

Weight 35 lbs
Dimensions 16 × 18 × 18 in
Make

Cummins
Replaces OEM Part Number

4394855
Emissions Component

Diesel Oxidation Catalyst (DOC)
Warranty

3 Years
Shipping Restriction

California
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This is a direct-fit replacement Diesel Oxidation Catalyst (DOC) for 2021 Cummins ISX 15L | 4394855.

This OEM can features a brand-new, high-quality RECORE, delivering reliable performance and precise fitment. It retains the original manufacturer housing while integrating a newly produced core made in the USA.

Designed to meet or exceed OEM performance, it includes a 3-year warranty and provides a cost-effective solution by reusing the existing casing without compromising durability or functionality.

Compatible with Cummins ISX 15L – 2021.

Give us a call! (717) 862-4557

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