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Your cart is empty.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. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet Trailblazer: 2008, 2009] - [GMC Envoy: 2008, 2009] - [Isuzu Ascender: 2008] - [Saab 9-7x: 2008, 2009]
Travis Trent
Reviewed in the United States on March 1, 2025
Excellent but remember the bolts!
Lee_Van_Cleef
Reviewed in the United States on July 28, 2024
Manifold, perfect fit for an 08 Trailblazer but the gasket was bent and had creases. One corner of the gasket cracked off when attempting to straighten. I had to go to local part store and purchase a new gasket. I would give more stars but I did have to spend more money to compensate for the lack of quality control.
Leigh Meola
Reviewed in the United States on March 20, 2024
It’s been 6 months and it’s still working well has a factory fit
Ps
Reviewed in the United States on March 11, 2024
Great price and better than the original manifold.
Annette Owen
Reviewed in the United States on April 15, 2024
Fit nice could have been smoother flat surface but seems to be working
Huck 974
Reviewed in the United States on June 18, 2023
fit like oem but much heavier built than the stock Manifold less likely warp or crack
jean babin
Reviewed in Canada on July 17, 2021
Merci
Dustin Vipond
Reviewed in Canada on August 20, 2020
As advertised and even cheaper than Rockauto
Customer
Reviewed in Canada on May 18, 2018
Be careful and make sure it fits. When I ordered this manifold, the site stated that it fits my 06 Envoy SLT. Only to realize latter my Envoy 02 sensor is in the manifold. The manifold I need is 674- 990, it has the 02 port. The site also states that it fits my Envoy SLT . A bit misleading to have the "This fits your" section showing the same fit for both part numbers. Hoping that it can be exchanged for the correct one.
Arrietta Rescuer
Reviewed in the United States on March 22, 2018
I installed this manifold kit on a 2008 Saab 9-7x with a 4.2L L6 engine. Couldn't be happier with it. I also purchased the the Dorman bolt kit and I'm glad I did. The stud kit that pops up as something people purchase with it, isn't needed at all. I bought the stud kit just to be on the safe side thinking they might work to secure the manifold to the head in a few places. The stud kit only fits the manifold outlet flange and the manifold kit comes with the three studs it needs. I really like the gasket that came with it because all three layers are spot welded together. The OE one wasn't spot welded and would have been a pain to install.
Customer
Reviewed in Canada on February 3, 2018
Works well. No issues yet, replaced cracked manifold on GMC envoy.
LauraCannon
Reviewed in the United States on January 29, 2018
Replaced the exhaust manifold in my 2009 Envoy, everything fit perfectly. Fairly easy to change out and now she is running a smooth and quiet. Only thing I was unhappy about was the fact that it didn't come with the bolts. Good thing I ordered spare ones.
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