Exterior Components› Truck Bed and Trunk Components

ATTWOOD MARI

SS 8MM EXT 10" CMP 7

$43.94

SKU: A09O ST30-40-5

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Attwood ST30-40-5 is a gas spring designed as a popular replacement part. It features an extended length of 10 inches and a compressed length of 7 inches, providing 40 lbs of output force. This gas spring is made with biodegradable, environmentally friendly oil, making it suitable for marine industry applications.

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 ST30-40-5

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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