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Wirthco

WirthCo 20387 Battery Doctor Mini Master Rotary Dial Disconnect Switch with On/Off Knob and Bottom Cover

WirthCo 20387 Battery Doctor Mini Master Rotary Dial Disconnect Switch with On/Off Knob and Bottom Cover

SKU:W4820387

Regular price $74.99
Regular price Sale price $74.99
Sale Sold out
Shipping calculated at checkout.

In stock

Quantity
  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns

The Wirthco 20387 is a battery doctor mini master rotary dial. It is a new, genuine Wirthco product with the manufacturer warranty, shipped from the closest US warehouse.

Key features

  • Designed for applications up to 48 Volts DC
  • Can be used with 1 or 2 batteries
  • Disconnect switch is ISO 8846 approved
  • Has a continuous rating of 300 amperes, intermittent rating of 1000 amperes/5 seconds and crank rating of 700 amperes/10 seconds
  • Knob operated on/off configuration and a bottom cover

Specifications

Brand Wirthco
Manufacturer part number 20387
Part type Electronic Switch
UPC / GTIN 10054203876
Weight 0.54 lb
Dimensions (L × W × H) 7.2 × 4.6 × 3.4 in
Category Electronics & Audio
Condition New — genuine brand-name product
Warranty Manufacturer warranty

Questions

How fast does it ship?

Orders ship from the closest US warehouse, normally within 1–3 business days, with tracking by e-mail.

Is this a genuine Wirthco product?

Yes — new and genuine Wirthco, with the manufacturer warranty.

Can I return it?

Yes. Unused items can be returned within 30 days — see our refund policy for the details.

Shipping & delivery

Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.

Returns & warranty

Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.

Fitment & part numbers

Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.

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