WIRTHCO
Wirthco 20308 KNOB BATT SWITCH TOP POST
Wirthco 20308 KNOB BATT SWITCH TOP POST
SKU:W4820308
In stock
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- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
- BATTERY DISCONNECT CONTROL - Cut power to your 12 volt system by unscrewing the knob a few turns, and restore the connection by tightening it back down, with no tools required for daily use.
- HEAVY-DUTY POWER RATINGS - Rated 500 amps surge and 125 amps continuous at 12 volts, sized to handle typical automotive, marine, RV, and powersports battery loads.
- EASY NEGATIVE POST INSTALLATION - Designed to mount directly on the negative battery post, with a compact footprint that fits most battery compartments without rerouting cables.
- REMOVABLE KNOB FOR THEFT DETERRENCE - The knob can be removed completely to help deter unauthorized starting, making this switch useful for stored vehicles, trailers, boats, and seasonal equipment.
- RETAIL PACK WITH TERMINAL MARKERS - Retail packaging includes Battery Doctor 20250 battery terminal markers to help identify positive and negative posts during installation and future service.
| Brand | WIRTHCO |
|---|---|
| Manufacturer part number | 20308 |
| UPC / GTIN | 10054203081 |
| Weight | 0.50 lb |
| Dimensions (L × W × H) | 6 × 4 × 1.4 in |
| Category | Electronics & Audio |
| Condition | New — genuine brand-name product |
Shipping & delivery
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
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
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.
