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25% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ25 in Cart.

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Receive Up To 25% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ25 at checkout to receive 25% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories,. Outdoor Lifestyle, Towing, Mini Air Compressors and Tire Repair Accessories.

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 10/29/17.

Receive 25% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER25.

Receive 10% Off Select Champion, MOOG and FelPro branded products with your online purchase. Use promotional codes: CHAMP10, MOOG10 and/or FELPRO10.


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WirthCo Engineering Battery Doctor Mini Master Battery Disconnect Switch 1148916
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  • Part #: 20393|
  • SKU: 1148916

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Pay in Store Available

    • For Use on 1 or 2 Batteries
    • For Applications Up to 48 Volts
Retail
$28.99

WirthCo Engineering Battery Doctor Mini Master Battery Disconnect Switch

The Battery Doctor Mini Master Disconnect Switch is designed to be installed on the negative (-) battery lead to prevent the battery from draining to unsafe levels and to switch between multiple batteries. The master disconnect switch can also be used to prevent theft, tampering and unauthorized use of vehicles while not being used. The Mini Master Switch is rated at 300 amps at 12 volts continuous and 1000 amps for 5 seconds at 12 volts.
  • For Use on 1 or 2 Batteries
  • For Applications Up to 48 Volts
  • Easy To Install and Simple To Use
  • Disconnects Batteries Quickly and Easily
  • Stop Unwanted Battery Drain
  • Front Label Glows in the Dark
  • ISO #8846 Marine Approved


1148916

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