Exhaust Manifold Kit
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Exhaust Manifold Kit Exhaust Manifold Kit
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Dorman - OE Solutions Exhaust Manifold Kit

Part No. 674-164 Warranty Details  

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More like a complete kit than a single part, many of our Exhaust Manifolds include gaskets and hardware for a complete installation. This part is a direct replacement.

Product Features:
  • Heat-shield may be included for protection of engine components where applicable
  • Cast iron or stainless tubular construction protects against warping or cracking
  • Leak-resistant for long-lasting performance
  • A rigorous quality inspection has been undertaken to ensure product standards
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Color:Unfinished
Compatibility:Left
Grade:Standard Replacement
Hardware Included:Yes
Inlet Port Shape:Square
Material:Cast Iron
Mounting Hole Quantity:4
Gasket Or Seal Included:Yes

REVIEW SNAPSHOT®

by PowerReviews
Dorman - OE SolutionsExhaust Manifold Kit
 
4.1

(based on 15 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (3)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (0)

92%

of respondents would recommend this to a friend.

Pros

  • Easy to install (14)

Cons

No Cons

Best Uses

  • Replacement (8)
  • Everyday driving (6)
    • Car & Truck:
    • Mechanic (3)
    • Reviewer Profile:
    • Mechanic (6), Auto enthusiast (3)

Most Liked Positive Review

 

Dorman Cast Iron Exhaust Manifold

This is an OEM replacement cast iron exhaust manifold. It fits perfect, comes with studs and nuts. The gasket, and a variety of exhaust donuts, are also included. You will most likely...Read complete review

This is an OEM replacement cast iron exhaust manifold. It fits perfect, comes with studs and nuts. The gasket, and a variety of exhaust donuts, are also included. You will most likely have to remove the top heat shield in order to install it. Don't forget the support bracket on the right side that adds support between it and the engine block. You should start the bolt in the bracket before torquing it down to the exhaust ports! Use never-sieze on ALL the fasteners because these manifolds tend to crack due to the difference in expansion between aluminum and cast iron, therefore you will most likely have to replace it after a few years. I should receive 5 bonus points for this review.

VS

Most Liked Negative Review

 

Cracked again

Purchased this one July 2010 and found it cracked January 2011. The previous one was cracked also but was over two years old. I have put another one on my Dad's Geo and he...Read complete review

Purchased this one July 2010 and found it cracked January 2011. The previous one was cracked also but was over two years old. I have put another one on my Dad's Geo and he has had no problems. I guess some of the castings are better than others. Back to the store for another one. This time under warranty.

Reviewed by 15 customers

Displaying reviews 1-10

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(3 of 4 customers found this review helpful)

 
5.0

Everything needed for 93 replacement

By 

from NC

Verified Buyer
Helpful Reviewer

Pros

  • Easy To Install

Cons

    Best Uses

      Comments about Dorman - OE Solutions Exhaust Manifold Kit:

      The product fit without any modification. Replaced the cracked manifold that I had on vehicle originally. This solved my problem with exhaust leak fumes entering vehicle and also made it much quieter.

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      (2 of 4 customers found this review helpful)

       
      2.0

      Does not meet torque spec

      By 

      from NC

      Verified Buyer

      Pros

      • Easy To Install

      Cons

        Best Uses

        • Replacement

        Comments about Dorman - OE Solutions Exhaust Manifold Kit:

        I tried torquing the bolt from the exhaust system to the manifold to the 46 ftlb spec, but the new manifold physically broke. Advanced auto was nice enough to replace it. The second one I didn't tighten to spec, and after 1 week, it still seems fine.

        This is my second review (I keep getting emails to review this, so I've reviewed it again)

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        (2 of 4 customers found this review helpful)

         
        3.0

        Weak threaded hole to exhaust pipe

        By 

        from Durham NC

        About Me Weekend Warrior

        Pros

        • Easy To Install

        Cons

          Best Uses

            Comments about Dorman - OE Solutions Exhaust Manifold Kit:

            Everything went fine, but the threaded hole at the exhaust pipe end was weak, and broke while I tried to tighten to the 46 ft-lb spec. Advanced Auto replaced for free without a hassle, but the part just isn't made to spec. The second one I didn't tighten to spec, and it went on fine, so now it's a matter of time to actually test it.

            For the 97 corolla, be sure to have a (ratcheting) open end wrench, and deep well sockets. And plenty of PB Blaster.

            Comment on this reviewHelp Icon

            (4 of 8 customers found this review helpful)

             
            4.0

            Fit Perfect

            By 

            from Dubuque Iowa

            About Me Mechanic

            See all my reviews

            Ask me a question

            Verified Buyer
            Helpful Reviewer

            Pros

            • Easy To Install

            Cons

              Best Uses

              • Replacement

              Comments about Dorman - OE Solutions Exhaust Manifold Kit:

              Screws on heat shield were too short so just used factory ones off of old manifold. Fit well and installed easily. Previous reviews stated that replacement cracked...we will see.

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              (5 of 9 customers found this review helpful)

               
              5.0

              Dorman Cast Iron Exhaust Manifold

              By 

              from Silver Springs, Florida

              About Me Auto Enthusiast, Casual Driver, Mechanic

              Verified Buyer
              Helpful Reviewer

              Pros

              • Easy To Install
              • Increases Power

              Cons

                Best Uses

                • Everyday Driving
                • Replacement

                Comments about Dorman - OE Solutions Exhaust Manifold Kit:

                This is an OEM replacement cast iron exhaust manifold. It fits perfect, comes with studs and nuts. The gasket, and a variety of exhaust donuts, are also included. You will most likely have to remove the top heat shield in order to install it. Don't forget the support bracket on the right side that adds support between it and the engine block. You should start the bolt in the bracket before torquing it down to the exhaust ports! Use never-sieze on ALL the fasteners because these manifolds tend to crack due to the difference in expansion between aluminum and cast iron, therefore you will most likely have to replace it after a few years. I should receive 5 bonus points for this review.

                Comment on this reviewHelp Icon

                (4 of 8 customers found this review helpful)

                 
                5.0

                Great product, great price

                By 

                from Spring City

                About Me Auto Enthusiast

                Verified Buyer
                Helpful Reviewer

                Pros

                • Easy To Install
                • Lightweight

                Cons

                  Best Uses

                  • Replacement

                  Comments about Dorman - OE Solutions Exhaust Manifold Kit:

                  Great product

                  Comment on this reviewHelp Icon

                  (4 of 8 customers found this review helpful)

                   
                  5.0

                  good fit -no problems geeting it on

                  By 

                  from Fort Ashby WV

                  About Me Mechanic

                  Verified Buyer
                  Helpful Reviewer

                  Pros

                  • Easy To Install

                  Cons

                    Best Uses

                      Comments about Dorman - OE Solutions Exhaust Manifold Kit:

                      the exhaust manifold fit like a glove there were no problems with fit up and no leaks after start up.

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                      (3 of 7 customers found this review helpful)

                       
                      5.0

                      Better than used parts.

                      By 

                      from Winston-Salem, NC

                      About Me Mechanic

                      Verified Buyer
                      Helpful Reviewer

                      Pros

                      • Easy To Install

                      Cons

                        Best Uses

                        • Replacement

                        Comments about Dorman - OE Solutions Exhaust Manifold Kit:

                        Easy to install and has everything you need in the box. Took 30-45 mins. Has all new hardware and heat shield which makes for a nice looking repair. At this price it's a much better alternative than used and it has a one year warranty. Win-Win!

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                        (4 of 8 customers found this review helpful)

                         
                        5.0

                        good buy

                        By 

                        from avon park fl.

                        About Me Mechanic

                        Verified Buyer
                        Helpful Reviewer

                        Pros

                        • Easy To Install
                        • Great Sound

                        Cons

                          Best Uses

                          • Replacement

                          Comments about Dorman - OE Solutions Exhaust Manifold Kit:

                          replace broken manifold

                          Comment on this reviewHelp Icon

                          (4 of 8 customers found this review helpful)

                           
                          2.0

                          craked again again

                          By 

                          from Cridersville, Ohio

                          About Me Mechanic

                          See all my reviews

                          Ask me a question

                          3 or more reviews submitted

                          Pros

                          • Easy to change

                          Cons

                          • Seem to crack

                          Best Uses

                          • Everyday Driving

                          Comments about Dorman - OE Solutions Exhaust Manifold Kit:

                          found that this one is cracked but this time the store doesn't have any in stock so this will greatly decrease the repair time, good thing is it come with 1 year warranty

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                          Displaying reviews 1-10

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                          Do you have questions about this product?

                           

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                          1 Question | 1 Answer
                          Displaying question 1
                          • Q:

                            does this unit come w/exhaust manifold mounting kit as far as bolts and nuts
                            Asked on 9/14/2010 by Anonymous

                            1 answer

                            • CUSTOMER CARE

                              A:

                              Yes

                              Answered on 9/15/2010 by Mike from AAP
                          Displaying question 1

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