Cap Screw-Hex Head-Grade 8- 5/16-18 x 5 In.
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Cap Screw-Hex Head-Grade 8- 5/16-18 x 5 In.
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Dorman - Pik-a-Nut Cap Screw-Hex Head-Grade 8- 5/16-18 x 5 In.

Part No. 99312500 Warranty Details  

Fit of this part varies by vehicle & equipment specs Type of Fit

Our Alternator Bolts are manufactured for high corrosion resistance and a long service life. They’re conveniently available in packs of varying quantities.

Product Features:
  • Direct replacement for a proper fit every time
  • Rust resistant
  • Made of high quality steel
  • Dorman’s Alternator bolts are constructed to strict engineering quality standards
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Quantity Per Pack:1


by PowerReviews
Dorman - Pik-a-NutCap Screw-Hex Head-Grade 8- 5/16-18 x 5 In.

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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(3 of 6 customers found this review helpful)


Alternator Bolt 5/16-18" x 5" with 5/16-


from Charlotte, NC

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3 or more reviews submitted


  • Durable
  • Easy To Use
  • Good Design
  • Quality Materials


    Best Uses

    • Big Jobs
    • Gifts
    • Inside
    • Outside
    • Small Jobs

    Comments about Dorman - Pik-a-Nut Cap Screw-Hex Head-Grade 8- 5/16-18 x 5 In.:

    Grade 5 bolt, works great for an alternator or just if you need a bolt like this one for different jobs!

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