Fittings Hoses and Valves› Fittings and Plugs

ATTWOOD MARI

TABLE BASE ELECTRIC

$1,938.33

SKU: A09O 78500-41S

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

A thru-hull fitting is a component used in marine applications to allow water or other fluids to pass through the hull of a boat. These fittings are typically made of corrosion-resistant materials like stainless steel and come in various sizes and configurations depending on their intended use.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandATTWOOD MARI
Part NumberA09O 78500-41S

Videos

Complete Thru-Hull Guide ft. White Water Marine Hardware Products

Complete Thru-Hull Guide ft. White Water Marine Hardware Products
HGF303 Boating Basics: Thru-hull fittings

HGF303 Boating Basics: Thru-hull fittings
Thru hull Brackets

Thru hull Brackets
BONDING THRU-HULLS - Is this necessary? | Ask The Expert with NIGEL CALDER

BONDING THRU-HULLS - Is this necessary? | Ask The Expert with NIGEL CALDER
FishinWithFatt We almost sank the GRADY! How to replace Thru Hull Fitting

FishinWithFatt We almost sank the GRADY! How to replace Thru Hull Fitting
How I Install a Thru-Hull on a Boat

How I Install a Thru-Hull on a Boat

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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