Bulldog 580408 Stainless Steel Trailer Coupler Lock
Bulldog 580408 Stainless Steel Trailer Coupler Lock — Product description
The Bulldog 580408 is a stainless steel coupler lock that slips over your trailer's coupler while it's unhitched and blocks the latch, so nobody can drop the trailer onto a ball and tow it off. Pad lock style, with a dust cap to keep the key cylinder clean.
Anybody who's ever come back to the ramp to find their trailer gone knows the sick feeling. The Bulldog 580408 coupler lock is the cheap insurance that keeps it from happening. It slips over your trailer's coupler while it's unhitched and blocks the latch, so nobody can drop your trailer onto a ball and tow it off.
It's a pad lock style design built from stainless steel, so it shrugs off rain, road salt, and salty marina air without seizing up or rusting. That matters if your trailer lives outside or spends its life hauling a boat to and from brackish water. A cheap plated lock turns into a rusted brick after one season out here. This one won't.
The included dust cap keeps grit and moisture out of the key cylinder, so the lock still turns smooth months later. Toss it on when you park the trailer, pull it before you hitch up. Simple, tough, and one less thing to worry about while your rig sits in the lot.
Key Features
- Stainless steel construction resists rust and corrosion from rain, road salt, and marina air
- Pad lock style fits over the trailer coupler and blocks the latch when the trailer is unhitched
- Included dust cap keeps dirt and moisture out of the key cylinder so it keeps turning smooth
- Bulldog part number 580408, from a trusted name in towing and trailering
Why Buy from NVN Marine
- Authorized Bulldog reseller, full manufacturer warranty
- NMEA member and ABYC certified, advice from real boat techs
- Same-day shipping before 3 PM ET on in-stock items
- NY headquarters and Fort Lauderdale flagship retail store
Technical specifications
| Title | Trailer Coupler Lock; Pad Lock Style; Stainless Steel; With Dust Cap |
|---|---|
| Brand | Bulldog |
| Manufacturer Part Number | 580408 |
| UPC | 783192025869 |
| Lock Style | Pad Lock Style |
| Material | Stainless Steel |
| Dust Cap | Included |
Frequently asked questions
What does a trailer coupler lock do?
It locks over your trailer's coupler while the trailer is unhitched, so nobody can attach it to a ball and tow it away. It's a simple, effective theft deterrent for a trailer parked in a lot or driveway.
Is this lock rust-resistant?
Yes. It's built from stainless steel, which stands up to rain, road salt, and salty marina air far better than plated steel that tends to rust and seize.
Does it come with a dust cap?
Yes. The included dust cap keeps dirt and moisture out of the lock cylinder, so the key still turns smooth after months of sitting outside.
What's the manufacturer part number?
It's Bulldog part number 580408, UPC 783192025869.
