Am Steel Expansion Plug Kit, 5 Expansion Plugs, 2 Pipe Plugs
Hover over the image to zoom in
Share this:

Dorman - Autograde Am Steel Expansion Plug Kit, 5 Expansion Plugs, 2 Pipe Plugs

Part No. 557-017 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

We offer a comprehensive line of Engine Expansion Plug Kits to cover a range of applications. The kits include all parts necessary for a complete repair.

Product Features:
  • Direct fit kits available (where applicable) for ease of replacement
  • Depending on the application, kits include multiple quantities of the following styles: cup Type, Pilot Seal, Reverse Taper, Concave, Quick-Seal® Rubber and Quick-Seal ® Copper
  • Expansion Plugs also available individually
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
Back To Top


by PowerReviews
Dorman - AutogradeAm Steel Expansion Plug Kit, 5 Expansion Plugs, 2 Pipe Plugs

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top

(1 of 2 customers found this review helpful)



Profile Image


from westfield,nc

See all my reviews

3 or more reviews submitted


  • Durable
  • Easy To Install


    Best Uses

    • Everyday Driving
    • Performance Driving
    • Replacement
    • Restoration

    Comments about Dorman - Autograde Am Steel Expansion Plug Kit, 5 Expansion Plugs, 2 Pipe Plugs:

    Kit was lacking two 50.92mm plugs to complete the block set.It only came with four of this size.

    • Car & Truck:
    • Auto Enthusiast, Casual Driver, Mechanic, Truck Enthusiast

    Comment on this reviewHelp Icon

    Do you have questions about this product?


    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

    1 Question | 1 Answer
    Displaying question 1
    • Q:

      what size plugs are included in this kit?
      Asked on 11/14/2010 by vshirk1204 from mcadoo, pa.

      1 answer



        The Kit includes: (2) 3/8" pipe plugs, (4) 2" expansion plugs, steel cup, and (1) 2 9/64 expansion.

        Answered on 1/14/2011 by David the Dynamite Parts Guy from AAP
    Displaying question 1

    Do you have a question about this product? 

    Check out the specials in our monthly flyer.
    Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.