HomeExhaust > Catalytic ConverterDorman 674-3002 Diesel Oxidation Catalyst (DOC)
Part #: 674-3002

Dorman 674-3002 Diesel Oxidation Catalyst (DOC)

3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$980.55Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-350 Super Duty
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Dorman 674-3002 Diesel Oxidation Catalyst

This Dorman diesel oxidation catalyst is a standard replacement for select Ford Super Duty diesel applications. Built to match original fit and function, it supports reliable exhaust aftertreatment performance for 2008-2010 Ford F-350 Super Duty models.

Key Features

  • Diesel oxidation catalyst for exhaust system replacement
  • Engineered to match OE fit and function
  • Standard replacement, regular grade construction
  • Natural finish
  • Includes inlet gasket, washer, and nuts
  • Part number 674-3002 for direct reference

Detailed Description

Dorman 674-3002 is a diesel oxidation catalyst designed for direct replacement in select Ford F-350 Super Duty diesel exhaust systems. It is built to follow the original catalyst’s fit and function while focusing on durability and dependable operation. This part cross-references Ford 9C3Z5H267A for the same application. For buyers searching for a 2008-2010 Ford F-350 Super Duty diesel oxidation catalyst, 674-3002 provides a straightforward OE-style replacement option.

What It Helps Address

  • Failed or restricted diesel oxidation catalyst performance
  • Exhaust aftertreatment warning conditions related to catalyst efficiency
  • Replacement needs after corrosion or internal deterioration
  • Restoring proper exhaust flow through the catalyst section
  • Service replacement for a worn OE catalyst on Ford F-350 Super Duty diesel models

Installation Notes and Tips

Fits 2010 Ford F-350 Super Duty, N/A; Fits 2009 Ford F-350 Super Duty, N/A; Fits 2008 Ford F-350 Super Duty, N/A. Confirm the vehicle build date and CARB status before ordering, since the listed applications include date-specific notes. Verify the existing exhaust configuration and compare the original part number before installation. The included inlet gasket and related hardware support a proper replacement setup.

Quality Assurance

Dorman designs this diesel oxidation catalyst as a standard replacement part for specified vehicles, with attention to fit, function, and durability. The part is intended to meet the needs of diesel exhaust service on the listed Ford F-350 Super Duty applications.

BrandDorman
Part Number674-3002
ColorNatural
Service CategoryStandard replacement
Grade TypeRegular
Package Contents1 diesel oxidation catalyst; 1 inlet gasket; 1 washer; 7 nuts

This part fits 3 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2010FordF-350 Super DutyCab & Chassis6.4LV8N/ACARB Compliant: No; To 2/12/10
2009FordF-350 Super DutyCab & Chassis6.4LV8N/AFrom 12/01/08; CARB Compliant: No
2008FordF-350 Super DutyCab & Chassis6.4LV8N/ACARB Compliant: No

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

9C3Z5H267A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.