Fasteners› Bulk Fasteners

SMI MFG.

AIR CYLINDER FOR STAY N PLAY DUO SY

$274.18

SKU: S0I3 6215

Out of Stock
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Ships in 4–6 weeks
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Non-Returnable Item

Description

The SMI MFG. 6215 is an Air Cylinder Kit used as a component of the Demco/SMI Stay-IN-Play DUO Braking System. It energizes the towed vehicle's power brakes for gentle and consistent stopping.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSMI MFG.
Part NumberS0I3 6215

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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