Exterior Components› Car and Truck Covers
SEA DOG
POLYPROPYLENE THRU-HULL WHITE 5/8
SKU: S0GF 520740-1
Easy — 1–2 hours
Description
Its dimensions include a length of 3-1/2", a thread size of 1-11/16", and a flange of 1-3/4". The fitting requires a 1" hole for installation and is impervious to electrolysis and corrosion, making it ideal for saltwater use.
Fitment
Fitment Guaranteed
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on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | SEA DOG |
| Part Number | S0GF 520740-1 |
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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