Easy — 1–2 hours
Description
This switch is intended for use on batteries in cars and trucks. It is made in the United States and is rated for 250 amps continuous and 750 amps surge at 12 volts. The product also includes a warning regarding cancer and reproductive harm as per California's Prop 65.
Fitment
Fitment Guaranteed
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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.
Available on iOS & Android
Specifications
| Brand | WIRTHCO |
| Part Number | W01I 20128-7 |
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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