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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Exhaust Manifold – Passenger Side

PART#: 674-390
Dorman - OE Solutions

$224.95

In stock

Interchanges
BrandPart #
General Motors10221960
General Motors12553146
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2000ChevroletC2500Base7.4V8GASRightw/Air Pump
2000ChevroletC2500LS7.4V8GASRightw/Air Pump
2000ChevroletC3500LS7.4V8GASRightw/Air Pump
2000ChevroletC3500Base7.4V8GASRightw/Air Pump
2000ChevroletExpress 3500LS7.4V8GASRightw/Air Pump
2000ChevroletExpress 3500Base7.4V8GASRightw/Air Pump
2000ChevroletK2500LS7.4V8GASRightw/Air Pump
2000ChevroletK2500Base7.4V8GASRightw/Air Pump
2000ChevroletK3500Base7.4V8GASRightw/Air Pump
2000ChevroletK3500LS7.4V8GASRightw/Air Pump
2000GMCC2500Sierra SLT7.4V8GASRightw/Air Pump
2000GMCC2500Sierra SL7.4V8GASRightw/Air Pump
2000GMCC2500Sierra SLE7.4V8GASRightw/Air Pump
2000GMCC3500Sierra SLT7.4V8GASRightw/Air Pump
2000GMCC3500Sierra SLE7.4V8GASRightw/Air Pump
2000GMCC3500Sierra SL7.4V8GASRightw/Air Pump
2000GMCK2500Sierra SL7.4V8GASRightw/Air Pump
2000GMCK2500Sierra SLT7.4V8GASRightw/Air Pump
2000GMCK2500Sierra SLE7.4V8GASRightw/Air Pump
2000GMCK3500Sierra SLT7.4V8GASRightw/Air Pump
2000GMCK3500Sierra SLE7.4V8GASRightw/Air Pump
2000GMCK3500Sierra SL7.4V8GASRightw/Air Pump
2000GMCSavana 3500SLE7.4V8GASRightw/Air Pump
2000GMCSavana 3500Base7.4V8GASRightw/Air Pump
1999ChevroletC2500LS7.4V8GASRightw/Air Pump
1999ChevroletC2500Base7.4V8GASRightw/Air Pump
1999ChevroletC2500 SuburbanBase7.4V8GASRightw/Air Pump
1999ChevroletC2500 SuburbanLS7.4V8GASRightw/Air Pump
1999ChevroletC3500LS7.4V8GASRightw/Air Pump
1999ChevroletC3500Base7.4V8GASRightw/Air Pump
1999ChevroletExpress 3500LS7.4V8GASRightw/Air Pump
1999ChevroletExpress 3500Base7.4V8GASRightw/Air Pump
1999ChevroletK2500LS7.4V8GASRightw/Air Pump
1999ChevroletK2500Base7.4V8GASRightw/Air Pump
1999ChevroletK2500 SuburbanBase7.4V8GASRightw/Air Pump
1999ChevroletK2500 SuburbanLS7.4V8GASRightw/Air Pump
1999ChevroletK3500Base7.4V8GASRightw/Air Pump
1999ChevroletK3500LS7.4V8GASRightw/Air Pump
1999ChevroletP30Base7.4V8GASRight | Engine VIN: J;
1999GMCC2500Sierra SLT7.4V8GASRightw/Air Pump
1999GMCC2500Sierra SLE7.4V8GASRightw/Air Pump
1999GMCC2500Sierra SL7.4V8GASRightw/Air Pump
1999GMCC2500 SuburbanSLE7.4V8GASRightw/Air Pump
1999GMCC2500 SuburbanBase7.4V8GASRightw/Air Pump
1999GMCC2500 SuburbanSLT7.4V8GASRightw/Air Pump
1999GMCC3500Sierra SLE7.4V8GASRightw/Air Pump
1999GMCC3500Sierra SL7.4V8GASRightw/Air Pump
1999GMCC3500Sierra SLT7.4V8GASRightw/Air Pump
1999GMCK2500Sierra SLE7.4V8GASRightw/Air Pump
1999GMCK2500Sierra SL7.4V8GASRightw/Air Pump
1999GMCK2500Sierra SLT7.4V8GASRightw/Air Pump
1999GMCK2500 SuburbanSLE7.4V8GASRightw/Air Pump
1999GMCK2500 SuburbanBase7.4V8GASRightw/Air Pump
1999GMCK2500 SuburbanSLT7.4V8GASRightw/Air Pump
1999GMCK3500Sierra SL7.4V8GASRightw/Air Pump
1999GMCK3500Sierra SLE7.4V8GASRightw/Air Pump
1999GMCK3500Sierra SLT7.4V8GASRightw/Air Pump
1999GMCP3500Base7.4V8GASRight | Engine VIN: J;
1999GMCSavana 3500SLE7.4V8GASRightw/Air Pump
1999GMCSavana 3500Base7.4V8GASRightw/Air Pump
1998ChevroletC2500Cheyenne7.4V8GASRightw/Air Pump
1998ChevroletC2500WT7.4V8GASRightw/Air Pump
1998ChevroletC2500Silverado7.4V8GASRightw/Air Pump
1998ChevroletC2500 SuburbanLS7.4V8GASRightw/Air Pump
1998ChevroletC2500 SuburbanBase7.4V8GASRightw/Air Pump
1998ChevroletC3500Cheyenne7.4V8GASRightw/Air Pump
1998ChevroletC3500Silverado7.4V8GASRightw/Air Pump
1998ChevroletExpress 3500LS7.4V8GASRightw/Air Pump
1998ChevroletExpress 3500Base7.4V8GASRightw/Air Pump
1998ChevroletK2500Silverado7.4V8GASRightw/Air Pump
1998ChevroletK2500WT7.4V8GASRightw/Air Pump
1998ChevroletK2500Cheyenne7.4V8GASRightw/Air Pump
1998ChevroletK2500 SuburbanBase7.4V8GASRightw/Air Pump
1998ChevroletK2500 SuburbanLS7.4V8GASRightw/Air Pump
1998ChevroletK3500Cheyenne7.4V8GASRightw/Air Pump
1998ChevroletK3500Silverado7.4V8GASRightw/Air Pump
1998ChevroletP30Base7.4V8GASRight | Engine VIN: J;
1998GMCC2500Sierra SL7.4V8GASRightw/Air Pump
1998GMCC2500Sierra SLT7.4V8GASRightw/Air Pump
1998GMCC2500Sierra SLE7.4V8GASRightw/Air Pump
1998GMCC2500 SuburbanBase7.4V8GASRightw/Air Pump
1998GMCC2500 SuburbanSLE7.4V8GASRightw/Air Pump
1998GMCC2500 SuburbanSLT7.4V8GASRightw/Air Pump
1998GMCC3500Sierra SL7.4V8GASRightw/Air Pump
1998GMCC3500Sierra SLE7.4V8GASRightw/Air Pump
1998GMCC3500Sierra SLT7.4V8GASRightw/Air Pump
1998GMCSavana 3500SLE7.4V8GASRightw/Air Pump
1998GMCSavana 3500Base7.4V8GASRightw/Air Pump
1998GMCK2500Sierra SLT7.4V8GASRightw/Air Pump
1998GMCK2500Sierra SL7.4V8GASRightw/Air Pump
1998GMCK2500Sierra SLE7.4V8GASRightw/Air Pump
1998GMCK2500 SuburbanSLE7.4V8GASRightw/Air Pump
1998GMCK2500 SuburbanBase7.4V8GASRightw/Air Pump
1998GMCK2500 SuburbanSLT7.4V8GASRightw/Air Pump
1998GMCK3500Sierra SLT7.4V8GASRightw/Air Pump
1998GMCK3500Sierra SLE7.4V8GASRightw/Air Pump
1998GMCK3500Sierra SL7.4V8GASRightw/Air Pump
1998GMCP3500Base7.4V8GASRight | Engine VIN: J;
1997ChevroletC2500Cheyenne7.4V8GASRightw/Air Pump
1997ChevroletC2500Base7.4V8GASRightw/Air Pump
1997ChevroletC2500Silverado7.4V8GASRightw/Air Pump
1997ChevroletC2500 SuburbanLT7.4V8GASRightw/Air Pump
1997ChevroletC2500 SuburbanBase7.4V8GASRightw/Air Pump
1997ChevroletC2500 SuburbanLS7.4V8GASRightw/Air Pump
1997ChevroletC3500Base7.4V8GASRightw/Air Pump
1997ChevroletC3500Cheyenne7.4V8GASRightw/Air Pump
1997ChevroletC3500Silverado7.4V8GASRightw/Air Pump
1997ChevroletExpress 3500LS7.4V8GASRightw/Air Pump
1997ChevroletExpress 3500Base7.4V8GASRightw/Air Pump
1997ChevroletK2500Silverado7.4V8GASRightw/Air Pump
1997ChevroletK2500Cheyenne7.4V8GASRightw/Air Pump
1997ChevroletK2500Base7.4V8GASRightw/Air Pump
1997ChevroletK2500 SuburbanLT7.4V8GASRightw/Air Pump
1997ChevroletK2500 SuburbanLS7.4V8GASRightw/Air Pump
1997ChevroletK2500 SuburbanBase7.4V8GASRightw/Air Pump
1997ChevroletK3500Silverado7.4V8GASRightw/Air Pump
1997ChevroletK3500Base7.4V8GASRightw/Air Pump
1997ChevroletK3500Cheyenne7.4V8GASRightw/Air Pump
1997ChevroletP30Base7.4V8GASRight | Engine VIN: J;
1997GMCC2500Sierra SLT7.4V8GASRightw/Air Pump
1997GMCC2500Sierra SL7.4V8GASRightw/Air Pump
1997GMCC2500Sierra SLE7.4V8GASRightw/Air Pump
1997GMCC2500 SuburbanBase7.4V8GASRightw/Air Pump
1997GMCC2500 SuburbanSLE7.4V8GASRightw/Air Pump
1997GMCC2500 SuburbanSLT7.4V8GASRightw/Air Pump
1997GMCC3500Sierra SLT7.4V8GASRightw/Air Pump
1997GMCC3500Sierra SLE7.4V8GASRightw/Air Pump
1997GMCC3500Sierra SL7.4V8GASRightw/Air Pump
1997GMCSavana 3500SLE7.4V8GASRightw/Air Pump
1997GMCSavana 3500Base7.4V8GASRightw/Air Pump
1997GMCK2500Sierra SLE7.4V8GASRightw/Air Pump
1997GMCK2500Sierra SL7.4V8GASRightw/Air Pump
1997GMCK2500Sierra SLT7.4V8GASRightw/Air Pump
1997GMCK2500 SuburbanSLE7.4V8GASRightw/Air Pump
1997GMCK2500 SuburbanBase7.4V8GASRightw/Air Pump
1997GMCK2500 SuburbanSLT7.4V8GASRightw/Air Pump
1997GMCK3500Sierra SLT7.4V8GASRightw/Air Pump
1997GMCK3500Sierra SL7.4V8GASRightw/Air Pump
1997GMCK3500Sierra SLE7.4V8GASRightw/Air Pump
1997GMCP3500Base7.4V8GASRight | Engine VIN: J;
1996ChevroletC2500Silverado7.4V8GASRightw/Air Pump
1996ChevroletC2500Base7.4V8GASRightw/Air Pump
1996ChevroletC2500Cheyenne7.4V8GASRightw/Air Pump
1996ChevroletC2500 SuburbanLS7.4V8GASRightw/Air Pump
1996ChevroletC2500 SuburbanLT7.4V8GASRightw/Air Pump
1996ChevroletC2500 SuburbanBase7.4V8GASRightw/Air Pump
1996ChevroletC3500Cheyenne7.4V8GASRightw/Air Pump
1996ChevroletC3500Base7.4V8GASRightw/Air Pump
1996ChevroletC3500Silverado7.4V8GASRightw/Air Pump
1996ChevroletExpress 3500LS7.4V8GASRightw/Air Pump
1996ChevroletExpress 3500Base7.4V8GASRightw/Air Pump
1996ChevroletK2500Cheyenne7.4V8GASRightw/Air Pump
1996ChevroletK2500Base7.4V8GASRightw/Air Pump
1996ChevroletK2500Silverado7.4V8GASRightw/Air Pump
1996ChevroletK2500 SuburbanLS7.4V8GASRightw/Air Pump
1996ChevroletK2500 SuburbanLT7.4V8GASRightw/Air Pump
1996ChevroletK2500 SuburbanBase7.4V8GASRightw/Air Pump
1996ChevroletK3500Cheyenne7.4V8GASRightw/Air Pump
1996ChevroletK3500Silverado7.4V8GASRightw/Air Pump
1996ChevroletK3500Base7.4V8GASRightw/Air Pump
1996ChevroletP30Base7.4V8GASRight | Engine VIN: J;
1996GMCC2500Sierra SLT7.4V8GASRightw/Air Pump
1996GMCC2500Sierra SL7.4V8GASRightw/Air Pump
1996GMCC2500Sierra SLE7.4V8GASRightw/Air Pump
1996GMCC2500 SuburbanSLE7.4V8GASRightw/Air Pump
1996GMCC2500 SuburbanSLT7.4V8GASRightw/Air Pump
1996GMCC2500 SuburbanBase7.4V8GASRightw/Air Pump
1996GMCC3500Sierra SLE7.4V8GASRightw/Air Pump
1996GMCC3500Sierra SL7.4V8GASRightw/Air Pump
1996GMCC3500Sierra SLT7.4V8GASRightw/Air Pump
1996GMCSavana 3500SLE7.4V8GASRightw/Air Pump
1996GMCSavana 3500Base7.4V8GASRightw/Air Pump
1996GMCK2500Sierra SL7.4V8GASRightw/Air Pump
1996GMCK2500Sierra SLE7.4V8GASRightw/Air Pump
1996GMCK2500Sierra SLT7.4V8GASRightw/Air Pump
1996GMCK2500 SuburbanSLE7.4V8GASRightw/Air Pump
1996GMCK2500 SuburbanSLT7.4V8GASRightw/Air Pump
1996GMCK2500 SuburbanBase7.4V8GASRightw/Air Pump
1996GMCK3500Sierra SLT7.4V8GASRightw/Air Pump
1996GMCK3500Sierra SL7.4V8GASRightw/Air Pump
1996GMCK3500Sierra SLE7.4V8GASRightw/Air Pump
1996GMCP3500Base7.4V8GASRight | Engine VIN: J;
Product info

The Dorman – OE Solutions Exhaust Manifold part number 674-390 is a high-quality replacement part that is specifically designed for use in Chevrolet and GMC vehicles. This part is compatible with other part numbers 10221960 and 12553146 making it a versatile choice for many different vehicle models.

One of the key benefits of this exhaust manifold is its durability. Made from high-quality materials, it is built to withstand the rigors of regular use and last for a long time. It is also designed to perform well in a range of different driving conditions, from stop-and-go city traffic to high-speed highway driving.

In addition to its durability, this exhaust manifold also offers great performance benefits. It is engineered to improve exhaust flow, which can help to increase horsepower and torque. With this part installed, drivers may notice improved acceleration, better fuel efficiency, and a more responsive throttle.

The Dorman – OE Solutions Exhaust Manifold part number 674-390 is also designed for easy installation. It is a direct replacement for the original part, which means that it can be installed quickly and easily without any modifications or special tools.

Overall, if you’re looking for a reliable and high-performance replacement exhaust manifold for your Chevrolet or GMC vehicle, the Dorman – OE Solutions Exhaust Manifold part number 674-390 is an excellent choice. With its durable construction, improved exhaust flow, and easy installation, it is sure to provide many years of reliable service.

About Dorman - OE Solutions

When looking for car aftermarket parts, Dorman OE Solutions is known for its dedication to quality, new ideas, and dependability. The company Dorman has been around for a long time, and they have always provided OE-quality parts that meet or beat industry standards. No matter how small the parts are or how complicated the systems are, Dorman OE Solutions has a wide range of products that are designed to keep your car running at its best.

At Newparts.com, we're proud to be an official seller of Dorman OE Solutions parts. In addition to Dorman OE Solutions parts for the engine, transmission, suspension, and electrical systems, we have a huge variety of exterior and interior accessories. It doesn't matter what your vehicle needs; Dorman is dedicated to providing reliable solutions that boost both speed and durability.

One important benefit of shopping at Newparts.com is that we always give customers cheap access to parts that aren't being used. Knowing how expensive it can be to keep cars in good shape and fix them when they break down, we try to offer reasonable prices on all Dorman parts. When you buy from us, you can save a lot of money without losing quality.

Along with having low prices, we put customer satisfaction first by sending all Dorman products out quickly. We understand how important time is when it comes to car repairs, so we work hard to make sure your orders get to you on time. Whether you're changing an old part or adding the newest innovations from Dorman to your car, you can count on us to get your parts to you quickly and easily. Reach out to us via phone. Call us now at 855-505-2886 and our customer service team will help you.

Check out how parts from Dorman OE Solutions can improve your car's speed and dependability. Every time you shop at Newparts.com, you can be sure of getting the best value, quality, and ease of use. Feel good about shopping. Find out why tens of thousands of drivers trust Dorman with all their car needs.

Specifications
California Proposition 65WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
ColorNatural
Flange Bolt Hole Quantity0
Flange Stud Hole Quantity3
Gasket Or Seal IncludedYes
Grade TypeRegular
Heat Shield IncludedNo
Manifold Bolt Hole Quantity8
MaterialCast Iron
Mounting Hardware IncludedYes
Package ContentsExhaust Manifold; 1 Manifold Gasket; 3 Studs; 3 Nuts
Port ShapeSquare
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

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Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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