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Dorman 674-231 Driver Side Exhaust Manifold Kit - Includes Required Gaskets and Hardware Compatible with Select Chevrolet / GMC Models

Free shipping on orders over $29.99

$112.78

$ 45 .99 $45.99

In Stock

About this item

  • Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
  • Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
  • Complete repair - includes all necessary gaskets and downpipe hardware
  • Trustworthy design - built by industry leader in aftermarket manifolds
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool


This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Blazer: 1987, 1988, 1989, 1990, 1991] - [Chevrolet R10 Suburban: 1987, 1988] - [Chevrolet R10: 1987] - [Chevrolet R20 Suburban: 1987, 1988] - [Chevrolet R20: 1987, 1988] - [Chevrolet R2500: 1989] - [Chevrolet R30: 1987, 1988] - [Chevrolet R3500: 1989, 1990, 1991] - [Chevrolet V10 Suburban: 1987, 1988] - [Chevrolet V10: 1987] - [Chevrolet V20 Suburban: 1987, 1988] - [Chevrolet V20: 1987] - [Chevrolet V30: 1987, 1988] - [Chevrolet V3500: 1989, 1990, 1991] - [GMC Jimmy: 1987, 1988, 1989, 1990, 1991] - [GMC R1500 Suburban: 1987, 1988, 1989, 1990] - [GMC R1500: 1987] - [GMC R2500 Suburban: 1987, 1988, 1989, 1990] - [GMC R2500: 1987, 1988, 1989] - [GMC R3500: 1987, 1988, 1989, 1990, 1991] - [GMC V1500 Suburban: 1987, 1988, 1989, 1990] - [GMC V1500: 1987] - [GMC V2500 Suburban: 1987, 1988, 1989, 1990] - [GMC V2500: 1987] - [GMC V3500: 1987, 1988, 1989, 1990, 1991]


Customer
Reviewed in the United States on September 23, 2019
Good quality after market manifolds.
Daniel W.
Reviewed in the United States on October 6, 2016
Great part to fix bad exhaust manifolds.Good price and fast shipping.
Steve M.
Reviewed in the United States on July 10, 2015
Fit right great product.
David S.
Reviewed in the United States on November 25, 2015
A good OEM replacement for my 1991 5.7L R3500 Cheyenne truck. My biggest difficulty with the kit was compressing the 3 stiff springs to start the washers and nuts for each of the 3 studs. My remedy was to completely compress each spring in a vise and tightly zip tie it compressed and install the spring zip tied in order to start the nut and washer assembly. I used a mediun size zip tie and cut the zip tie once the washer and nut assembly was sufficiently started. Not OEM Service Manual procedure, but it worked for me. The part is a direct fit. The quality is good.
John L
Reviewed in the United States on April 23, 2015
Looks like a good piece, the price is right at least. I didn't want to mess with headers so this was the easy fix, my old one cracked around the O2 sensor. A few of the ports have too much flashing on them, but its nothing a little dremel work wont fix, and its not "necessary" but Im sure it will help them flow a bit better. It came with plugs for the AIR tube, and also a plug for the O2 sensor, which was nice
karl zemelis
Reviewed in the United States on February 3, 2013
my orignal manifold cracked in 3 places, i was planning on going to a junk yard. but this is soo much eayser to handle and fit. very nice part would buy again.
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