{"product_id":"bulldog-580403-trailer-coupler-lock-steel-with-dust-cap","title":"Bulldog 580403 Trailer Coupler Lock, Steel with Dust Cap","description":"\u003cp class=\"nvn-hero\"\u003eThe Bulldog 580403 Trailer Coupler Lock is a simple, steel padlock-style lock that keeps your trailer where you left it. Drop it into an unhitched coupler and nobody's backing a ball under it to tow off with your rig. Comes with a dust cap to keep the keyway clean between uses.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eLeaving a trailer unhitched in the driveway or the boat ramp lot? That's exactly when a coupler lock earns its keep. The Bulldog 580403 slips into the coupler and blocks the latch, so a thief can't just back a ball under it and tow it away. It's a pad-lock style design, steel through and through, with a chrome finish that shrugs off weather better than bare metal.\u003c\/p\u003e\n\u003cp\u003eWe like these for boat trailers, utility trailers, and anything that sits parked between trips. The included dust cap covers the keyway when the lock's in place, which matters more than you'd think. Grit and road salt are what kill cheap locks. Keep the mechanism clean and this one keeps turning smoothly for years.\u003c\/p\u003e\n\u003cp\u003eIt's quick to use. Insert, turn the key, done. No tools, no fuss. Snap it on when you park, drop it in the truck box when you're towing. Simple security that just works.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eSteel construction with a chrome finish for weather and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003ePad-lock style design drops into the coupler and blocks the latch to prevent tow-away theft\u003c\/li\u003e\n  \u003cli\u003eIncluded dust cap keeps the keyway free of grit, water, and road salt\u003c\/li\u003e\n  \u003cli\u003eKeyed operation, no tools needed to lock or unlock\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Bulldog reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does a trailer coupler lock do?\u003c\/summary\u003e\n    \u003cp\u003eIt inserts into your trailer's coupler and blocks the latch mechanism, so no one can drop a hitch ball under it and tow your trailer away while it's parked and unhitched.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes the Bulldog 580403 come with a dust cap?\u003c\/summary\u003e\n    \u003cp\u003eYes. It includes a dust cap that covers the keyway while the lock is in place, keeping grit, water, and road salt out of the mechanism.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is it made of?\u003c\/summary\u003e\n    \u003cp\u003eSteel with a chrome finish. The chrome helps it stand up to weather and corrosion when the lock lives outside on a parked trailer.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I need tools to use it?\u003c\/summary\u003e\n    \u003cp\u003eNo. It's a padlock-style lock. Insert it into the coupler, turn the key, and you're done. Unlocking is just as quick.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eTrailer Coupler Lock; Pad Lock Style; Steel; With Dust Cap\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eBulldog\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e580403\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e783192025814\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLock Style\u003c\/th\u003e\n\u003ctd\u003ePad Lock Style\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eChrome\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eDust Cap\u003c\/th\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does a trailer coupler lock do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It inserts into your trailer's coupler and blocks the latch mechanism, so no one can drop a hitch ball under it and tow your trailer away while it's parked and unhitched.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the Bulldog 580403 come with a dust cap?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It includes a dust cap that covers the keyway while the lock is in place, keeping grit, water, and road salt out of the mechanism.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is it made of?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Steel with a chrome finish. The chrome helps it stand up to weather and corrosion when the lock lives outside on a parked trailer.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do I need tools to use it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. It's a padlock-style lock. Insert it into the coupler, turn the key, and you're done. Unlocking is just as quick.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Bulldog","offers":[{"title":"Default Title","offer_id":45080930713693,"sku":"2010119","price":19.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_e9a5e74f-f113-407c-9307-85bae9238316.jpg?v=1790000074","url":"https:\/\/nvnmarine.com\/products\/bulldog-580403-trailer-coupler-lock-steel-with-dust-cap","provider":"NVN Marine","version":"1.0","type":"link"}