{"product_id":"master-lock-1471dat-trailer-coupler-latch-lock","title":"Master Lock 1471DAT Trailer Coupler Latch Lock","description":"\u003cp\u003e\u003cstrong\u003eThe Master Lock 1471DAT is a weather-resistant trailer coupler latch lock with a 3.5\" long shackle and 9\/32\" diameter pin designed to stop unauthorized tow-away and keep your trailer coupler secured.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether your trailer is hitched to a vehicle or parked unattended, the 1471DAT locks the coupler latch to prevent the ball from being inserted or removed. Built from solid brass with chrome plating, this latch lock combines corrosion resistance with long-term durability. Its 4-pin tumbler mechanism offers reliable pick resistance while a water-tight cap and weather seal protect internal parts from moisture and dirt.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this lock prevent trailer theft and accidental uncoupling?\u003c\/h3\u003e\n\u003cp\u003eThe Master Lock 1471DAT physically blocks the coupler latch movement so the coupler cannot be opened or closed. That means thieves cannot mount a ball to tow your trailer, nor can the coupler be removed when improperly accessed. The lock works whether the trailer is attached or unattached.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShackle spans 3.5\" to fit standard coupler latch openings\u003c\/li\u003e\n  \u003cli\u003e9\/32\" diameter pin fits the common coupler holes on most UFP and surge brake couplers\u003c\/li\u003e\n  \u003cli\u003ePrevents both insertion and removal of hitch ball\u003c\/li\u003e\n  \u003cli\u003eSolid construction deters casual tampering and opportunistic theft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and features make it suitable for outdoor use?\u003c\/h3\u003e\n\u003cp\u003eThis lock is made from solid brass and chrome-plated to resist wear and corrosion in outdoor environments. A water-tight protective cap and weather-tough seal keep moisture and debris away from the keyway and internal tumblers, extending functional life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid brass body for durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eChrome-plated finish to reduce surface wear and rust\u003c\/li\u003e\n  \u003cli\u003eWater-tight cap over the keyway prevents water ingress\u003c\/li\u003e\n  \u003cli\u003eWeather-tough seal protects the 4-pin tumbler mechanism from elements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my trailer coupler and how does the locking mechanism perform?\u003c\/h3\u003e\n\u003cp\u003eThe 1471DAT is manufactured to fit the standard coupler latch dimensions used across most trailers. It uses a precision 4-pin tumbler mechanism that resists picking and provides consistent key operation. Master Lock specifies the pin diameter and shackle span to match typical UFP and surge brake couplers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePin length: 3.4\" (3-4\/10\") to match common latch openings\u003c\/li\u003e\n  \u003cli\u003ePin diameter: 9\/32\", the standard size for most couplers\u003c\/li\u003e\n  \u003cli\u003ePrecision 4-pin tumbler for reliable security and smooth key action\u003c\/li\u003e\n  \u003cli\u003eCompatible with K1 key blank system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Master Lock 1471DAT is ideal for trailer owners, contractors, landscapers, or recreational users who need a straightforward, weather-resistant coupler lock to prevent theft and accidental uncoupling. Choose this model if your trailer uses a standard UFP or surge brake coupler and you want a solid brass, chrome-plated lock with a water-tight cap and a reliable 4-pin tumbler mechanism for everyday outdoor use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the 1471DAT fit most trailer couplers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It has a 3.5\" shackle span and 9\/32\" pin diameter, matching standard UFP and surge brake couplers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the lock weatherproof for outdoor storage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Solid brass construction, chrome plating, and a water-tight key cap protect against corrosion and moisture.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Master Lock","offers":[{"title":"Default Title","offer_id":48086855811230,"sku":"B0000AZ7WJ","price":31.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/master-lock-1471dat-front-view.jpg?v=1785908148","url":"https:\/\/northtrailauto.ca\/products\/master-lock-1471dat-trailer-coupler-latch-lock","provider":"North Trail Auto","version":"1.0","type":"link"}