Dorman 660-031 | Bolt

Part Number
Spring Center Bolts - 3/8-24 X 12 In.
Special Price $50.99 Regular Price $59.99
In stock
Only 9 left
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Estimated Ship Date: 1 Business Day or Less

These bolts are manufactured using durable materials and corrosion-tested to ensure required strength and longevity.

BRAND: Dorman - Autograde


  • Durable materials - manufactured to specific thread tolerance standards
  • Bolt, Fastener, Bolts, Fasteners
  • Multipurpose usefulness - can be used in a variety of applications, from auto to home
  • Corrosion tested - hardware undergoes salt spray testing to ensure corrosion resistance
  • Trustworthy quality - backed by team of professional engineers and quality control specialists in the United States
  • Spring Center Bolts - 3/8-24 X 12 In.


FinishBlack Zinc
Head Drive TypeSlotted
Heat HardenedYes
MaterialCarbon Steel
Package Contents10 Spring Center Bolts
SAE or MetricSAE
Thread Diameter0.375
Thread Diameter 0.625
Thread Diameter 0.75
Thread Diameter 1
Thread Diameter 0.5
Thread Length12
Thread Size3/8-24
Threads Per Inch24
Washer AttachedNo



  • PAPCO: 251-128
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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