Exterior Components› Weatherstripping and Rubber Details

WIRTHCO

BATTERY ISOLATOR

$176.58

SKU: W01I 20092

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Wirthco Battery Doctor 20092 is a 12V electronic battery isolator designed for vehicles with negative ground alternator systems. It allows for priority charging of the starting battery before connecting an auxiliary battery in parallel. This isolator features manual override for jumpstarting and over-current protection to safeguard the charging system.

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

BrandWIRTHCO
Part NumberW01I 20092

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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