Beginner — under 30 min
Description
This SAE fastener has a coarse thread type with 12 threads per inch. Its thread size is 9/16-12, with a thread diameter and head diameter of 9/16 inches. The thread length is 1-1/2 inches, and the callout size is 9/16-12 x 5 inches. This package contains 4 hex head cap screws.
Fitment
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Specifications
| Brand | Dorman |
| Part Number | D00I 803-550 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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