--- product_id: 7286948 title: "Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10\" Long Shackle x 9/32\" Diameter Pin" brand: "master lock" price: "£22.35" currency: GBP in_stock: true reviews_count: 13 category: "Master Lock" url: https://www.desertcart.co.uk/products/7286948-master-lock-1471dat-trailer-coupler-latch-lock-3-4-10 store_origin: GB region: United Kingdom --- # Weather-tight seal with water cap 4-pin tumbler pick-resistant lock Chrome plating for corrosion resistance Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle x 9/32" Diameter Pin **Brand:** master lock **Price:** £22.35 **Availability:** ✅ In Stock ## Summary > 🔐 Lock in your trailer’s safety, unlock your peace of mind. ## Quick Answers - **What is this?** Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle x 9/32" Diameter Pin by master lock - **How much does it cost?** £22.35 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/7286948-master-lock-1471dat-trailer-coupler-latch-lock-3-4-10) ## Best For - master lock enthusiasts ## Why This Product - Trusted master lock brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Security:** 4-pin tumbler mechanism engineered to resist lock picking for peace of mind. - • **Convenient & Custom:** Matching colored keyhead for quick identification—because every second counts. - • **Perfect Fit, Zero Play:** 3.4" shackle length and 9/32" diameter pin fits most UFP and surge brake couplers snugly. - • **Unmatched Theft Deterrence:** Locks coupler latch to block unauthorized towing—stay one step ahead of thieves. - • **Built to Brave the Elements:** Chrome-plated body plus weather-tight cap ensures durability rain or shine. ## Overview The Master Lock 1471DAT Trailer Coupler Latch Lock features a 3.4-inch long, 9/32-inch diameter chrome-plated shackle designed to fit most standard trailer couplers. Its precision 4-pin tumbler mechanism resists picking, while a weather-tight seal and water-resistant cap protect against corrosion and environmental damage. Ideal for securing trailers both attached and unattached, it includes two keys with matching colored heads for easy use and comes backed by a 2-year manufacturer warranty. ## Description Master Lock 3.5" Long Shackle Barbell Lock is chrome plated and is designed to improve wear as well as provides corrosion resistance. It is made from solid brass offering long lasting life. This lock fits standard coupler latches and features a water tight cap which protects the lock. It consists of 4-pin tumbler mechanism which resists picking. Master Lock manufactures this item to 1/4 inch diameter plus or minus .05”. Review: High Quality - Bar is slightly over ¼ inch, as advertised. Fits nice with less play than others. Business end has a small O-ring to keep dust and water out of locking mechanism. All chromed. Keys work smoothly, no break in. Review: Lock of the Draw - Works great! ## Features - This Master Lock protects and guards against tow-away theft. The lock works when the trailer is either connected to the tow vehicle or when the trailer is unattached. The lock prevents the coupler latch from moving, therefore preventing either the coupler to be removed from the ball, or not allowing a ball to be placed into the coupler. - Fits UFP and surge brake couplers. K1 key blank - Pin length or dimensional fit is 3-4/10" wide with a 9/32" diameter pin which is a standard size on virtually all couplers. - Chrome plated for improved wear and corrosion resistance. It has a precision 4 pin tumbler mechanism that resists picking - Weather Tough seal and water tight cap protects the lock from the elements ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0000AZ7WJ | | Additional Features | Matching colored keyhead for added convenience. | | Best Sellers Rank | #11,171 in Automotive ( See Top 100 in Automotive ) #33 in Towing Hitch Locks | | Brand | Master Lock | | Brand Name | Master Lock | | Color | Silver | | Control Method | Touch | | Controller Type | Hand Control | | Customer Reviews | 4.5 out of 5 stars 1,508 Reviews | | Finish Types | Chrome Plated | | Global Trade Identification Number | 00071649064128 | | Included Components | trailer coupler lock, two keys | | Item Dimensions | 9.1 x 5 x 2 inches | | Item Type Name | Coupler latch Lock | | Item Weight | 0.75 Pounds | | Item dimensions L x W x H | 9.1 x 5 x 2 inches | | Lock Type | Key Lock | | Manufacturer | Master Lock | | Manufacturer Part Number | 1471DAT | | Manufacturer Warranty Description | 2 year manufacturer | | Material | Chrome | | Material Type | Chrome | | Model Name | 1471DAT | | Model Number | 1471DAT | | Number of Pieces | 1 | | Recommended Uses For Product | securing trailer couplers to prevent unauthorized towing | | Shape | Rectangular | | Smart Home Compatibility | Not Smart Home Compatible | | Special Feature | Matching colored keyhead for added convenience. | | Style Name | Coupler Lock | | UPC | 071649064128 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Master Lock - **Special Feature:** Matching colored keyhead for added convenience. - **Lock Type:** Key Lock - **Item dimensions L x W x H:** 9.1 x 5 x 2 inches - **Material:** Chrome ## Images ![Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle x 9/32" Diameter Pin - Image 1](https://m.media-amazon.com/images/I/51cuVtI8yRL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High Quality *by J***E on January 26, 2026* Bar is slightly over ¼ inch, as advertised. Fits nice with less play than others. Business end has a small O-ring to keep dust and water out of locking mechanism. All chromed. Keys work smoothly, no break in. ### ⭐⭐⭐⭐⭐ Lock of the Draw *by L***. on May 8, 2026* Works great! ### ⭐⭐⭐⭐⭐ awsome *by D***D on December 28, 2025* works great ## Frequently Bought Together - Master Lock 1471DAT Trailer Coupler Latch Lock, 3-1/2" Long Shackle x 9/32" Diameter Pin Silver, Fits UFP and surge brake couplers - Master Lock Receiver Lock, 1/2 in. and 5/8 in. Swivel Head, Weather Resistant Trailer Coupler Locking Hitch Pin with Keys for Protecting Trailers, RVs, 2866DAT - Master Lock Trailer Lock, Stainless Steel Adjustable Coupler Latch Lock, 2847DAT --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/7286948-master-lock-1471dat-trailer-coupler-latch-lock-3-4-10](https://www.desertcart.co.uk/products/7286948-master-lock-1471dat-trailer-coupler-latch-lock-3-4-10) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-27*