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  2. Auto Parts
  3. Exhaust
  4. Exhaust Manifolds
  5. Exhaust Manifold
  6. Dorman 674-446

Dorman 674-446 Exhaust Manifold

Dorman 674-446 Exhaust Manifold Image 1
Dorman 674-446 Exhaust Manifold Image 2
Dorman 674-446 Exhaust Manifold Image 3
Dorman 674-446 Exhaust Manifold Image 4
Dorman 674-446 Exhaust Manifold

Dorman
Brand:Dorman
Part Number: 674-446
UPC: 019495036302
Weight: 17.42 lbs
Condition:New



On Sale:

$119.63

Availability:
2 in Stock
Warehouse: US-1
Quantity:

Product Information

Description:

Get the Dorman 674-446 Exhaust Manifold for your vehicle. Buy now and secure your purchase online!

Certain original equipment exhaust manifolds warp and crack due to lower-grade iron construction. This Dorman OE FIX replacement is made of high-grade ductile iron that better handles heat and stress for greater durability.

Features and Benefits:

  • Complete kit - includes new manifold, manifold gasket, flange gasket, 3 studs, 3 nuts
  • Direct fit - reverse engineered from original equipment for seamless installation
  • Quality engineering - designed and tested in the United States
  • Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking

Specifications:

Color:
Metallic Gray
Gasket Or Seal Included:
Yes
Grade Type:
Regular
Heat Shield Included:
No
Material:
Cast Iron
Mounting Hardware Included:
Yes
Package Contents:
1 Flange Gasket
Package Contents:
1 Manifold Gasket
Package Contents:
3 Nuts
Package Contents:
3 Studs
Package Contents:
Exhaust Manifold
Port Shape:
Square
ATP #:
101168
General Motors #:
12554981
General Motors #:
93802337
Isuzu #:
8125549810
Isuzu #:
8938023370
Country of Origin:
VN

Select a vehicle to narrow Dorman 674-446 Exhaust Manifold fitment info!

Last Updated: 09/20/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
Chevrolet Express 1500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 1500



5.7L V8 Gas OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Express 1500

5.0L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet Express 1500



5.0L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Express 1500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet Express 1500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2002

 
Chevrolet Express 2500

5.7L V8 Bi-Fuel OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 2500



5.7L V8 Bi-Fuel OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
Chevrolet Express 2500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 2500



5.7L V8 Gas OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Express 2500

5.0L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet Express 2500



5.0L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2001

 

2001

 
Chevrolet Express 2500

5.7L V8 CNG OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 2500



5.7L V8 CNG OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Express 2500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet Express 2500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2002

 
Chevrolet Express 3500

5.7L V8 Bi-Fuel OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 3500



5.7L V8 Bi-Fuel OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
Chevrolet Express 3500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 3500



5.7L V8 Gas OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2001

 

2001

 
Chevrolet Express 3500

5.7L V8 CNG OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

Chevrolet Express 3500



5.7L V8 CNG OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet Express 3500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet Express 3500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
Chevrolet P30

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet P30



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet W3500 Tiltmaster

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet W3500 Tiltmaster



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Chevrolet W4500 Tiltmaster

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Chevrolet W4500 Tiltmaster



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC P3500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC P3500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
GMC Savana 1500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

GMC Savana 1500



5.7L V8 Gas OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 1500

5.0L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC Savana 1500



5.0L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 1500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC Savana 1500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 2500

5.7L V8 Bi-Fuel OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

GMC Savana 2500



5.7L V8 Bi-Fuel OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
GMC Savana 2500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

GMC Savana 2500



5.7L V8 Gas OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 2500

5.0L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC Savana 2500



5.0L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 2500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC Savana 2500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
GMC Savana 3500

5.7L V8 Bi-Fuel OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

GMC Savana 3500



5.7L V8 Bi-Fuel OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
GMC Savana 3500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 
wo/California Emissions
 

GMC Savana 3500



5.7L V8 Gas OHV

Right (Passenger) wo/California Emissions

1 Per Vehicle

1999

 

1998

 

1997

 

1996

 

1999

 

1998

 

1997

 

1996

 
GMC Savana 3500

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC Savana 3500



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
GMC W3500 Forward

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC W3500 Forward



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 
GMC W4500 Forward

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

GMC W4500 Forward



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 

2003

 

2002

 

2001

 

2000

 

1999

 

1998

 

1997

 

1996

 
Isuzu NPR

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Isuzu NPR



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2001

 

2000

 

1999

 

2003

 

2002

 

2001

 

2000

 

1999

 
Isuzu NPR-HD

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Isuzu NPR-HD



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Workhorse FasTrack FT1061

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1061



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1260

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1260



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Workhorse FasTrack FT1261

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1261



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2001

 

2000

 

2002

 

2001

 

2000

 
Workhorse FasTrack FT1460

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1460



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Workhorse FasTrack FT1461

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1461



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1600

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1600



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2005

 

2004

 

2003

 

2002

 
Workhorse FasTrack FT1601

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1601



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2001

 

2000

 

2001

 

2000

 
Workhorse FasTrack FT1800

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1800



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2004

 

2003

 

2002

 

2004

 

2003

 

2002

 
Workhorse FasTrack FT1801

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1801



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2003

 

2002

 

2003

 

2002

 
Workhorse FasTrack FT1802

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse FasTrack FT1802



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 

2005

 

2004

 

2003

 

2002

 

2001

 

2000

 
Workhorse P30

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse P30



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2002

 

2001

 

2002

 

2001

 
Workhorse P32

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse P32



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle

2004

 

2003

 

2002

 

2001

 

2000

 

2004

 

2003

 

2002

 

2001

 

2000

 
Workhorse Custom Chassis P42

5.7L V8 Gas OHV
1
 
Right (Passenger)
 		 

Workhorse Custom Chassis P42



5.7L V8 Gas OHV

Right (Passenger)
1 Per Vehicle


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