# Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers

The Kukoofyer TCS-Pro trailer coupler lock is listed for 2-5/16-inch couplers and intended for RV, boat, and utility trailer use. Its claimed tool-free operation and powder-coated alloy-steel construction may suit owners who want a removable coupler lock, but fitment depends on matching the specified coupler size.

- [Original product page](https://best-deals.pro/product/kukoofyer-tcs-pro-trailer-coupler-lock)
- [View offer](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Kukoofyer
- Model: TCS-Pro
- Category: Cars & Motorcycles > Vehicle Accessories
- Price: 66.48 USD
- Previous price: 109.98 USD
- Discount: 40%
- Price checked: 2026-11-14T05:47:31.880Z
- Rating: 4.6 / 5
- Reviews: 38

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Designed for a stated 2-5/16-inch coupler size, with the listing advising buyers to confirm their coupler before purchase.
- The manufacturer describes installation and unlocking as tool-free.
- The listing claims a powder-coated finish intended to resist rust and weather. These are manufacturer claims, not independently verified performance results.

## Pros

- The listed coupler size and stated RV, truck and boat compatibility give buyers a clear starting point for fit checks.
- The manufacturer describes quick, tool-free mounting and unlocking for routine use.
- Alloy steel and a powder-coated finish are specified.

## Specifications

### Identity
- Brand: Kukoofyer
- Model: TCS-Pro
### Fitment and use
- Listed coupler size: 2-5/16 Inch
- Compatible vehicle types: RV, Truck, Boat
- Fit type: Universal Fit
### Dimensions and installation
- Weight listed: 5.22 kg
### Materials and protection
- Material listed: Alloy Steel
- Finish: Powder Coated
### Warranty
- Manufacturer warranty description: 1 year

## Before you buy

- The listing states that this lock fits 2-5/16-inch couplers only, despite also calling it a universal fit. Confirm your coupler size and shape before ordering. The listing also varies between alloy steel and hardened steel, and between a brass lock core and an unspecified core. It claims resistance to rust, cutting, prying and 18,000 lbs of force without substantiating those performance claims. The A+ content names an all-weather shield, inner slider and three keys, but the explicit included-components field lists only a trailer lock. Confirm the selected listing's exact kit and key details.

## In the box

- Trailer lock (Included)
- All-weather shield, inner slider and 3 keys (Check selected pack): Claimed in A+ content, while the explicit included-components field lists only a trailer lock. Confirm the selected listing.

## A good fit for

- Owners of RVs, boats or trailers with a compatible 2-5/16-inch coupler.
- Buyers who prefer a removable coupler lock described as tool-free to operate.

## Less suited to

- Owners whose couplers are not 2-5/16 inches or whose coupler fit is uncertain.
- Buyers who need independently substantiated resistance ratings or confirmed accessory and key details.

## Customer feedback

Customer feedback highlights perceived solid construction, quality and a well-regarded locking mechanism. One customer is noted as appreciating operation without a key. That feedback may matter to buyers seeking a straightforward coupler lock, but it does not verify the listing's fitment, materials or anti-theft performance claims. Aggregate ratings are mostly in the top category, with a smaller range of lower ratings, and do not explain the reasons behind them.
- Positive themes: Customers describe the lock as solidly built and appreciate its quality.
- Positive themes: Feedback mentions the locking mechanism, including a note that it can operate without a key.

## Frequently asked questions

### What coupler size is this lock listed for?
The listing specifies 2-5/16-inch couplers and says to confirm your coupler size before purchase. It does not substantiate compatibility with other sizes.
### Does installation require tools?
The manufacturer describes mounting and unlocking as tool-free, with a simple alignment process.
### What comes in the package?
The explicit included-components field lists a trailer lock. A+ content additionally claims an all-weather shield, inner slider and three keys, so confirm the selected listing's package details.
### Are the anti-theft strength claims independently verified?
No independent verification is supplied. The listing claims resistance to cutting and prying and states an 18,000 lbs force figure, but buyers should treat those as manufacturer claims.

## Alternative options

- [Trailer Hitch Lock, 2-5/16" Heavy Duty Anti Theft Solid Hardened Steel Trailer Coup...](https://best-deals.pro/visit/sagtes-ttsls-2-5-16-trailer-coupler-lock)
- [Lunette Tow Ring Lock, Pintle Hitch Lock, Tow Eye Lock for 2-1/2 to 3 Inch Lunette ...](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [Big RED 2 Pack Hitch Lock Pin, 5/8 Inch Trailer Receiver Locking Pin for 2"/2.5" Receiver, Hitch Locks with Keys for Car, Truck and Tow,Class Ⅴ](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [Nilight 2-5/16" Trailer Lock Heavy Duty Anti-Theft Trailer Hitch Locks Fit for 2 5/16 Inch Ball Coupler Safety Chains Trailer Tongue Lock Set with Key Pry-Resistant Brass Core for Trailer Boat RV](https://best-deals.pro/visit/nilight-2-5-16-trailer-lock-model-146a)
- [2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks...](https://best-deals.pro/visit/kukoofyer-tcs-pro2-2-5-16-inch-trailer-coupler-lock)
- [LockNLube Simple 90-Degree Grease Coupler Adapter](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [LockNLube® Coupler Rebuild Kit 3-Pack. Extend The Life of Your Grease Coupler by Replacing The Seal and Steel Jaws. Get Back to greasing Faster with Less Downtime\!](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [RETRUE Heavy Duty Trailer Hitch Ball Lock, Fit 2 5/16-Inch Coupler, Black \| Hardened Steel, with 3 Keys, Anti-Theft, Weather-Resistant, Cut-Resistant, For RV, Cargo, Boat, Dump, Trailer](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [Ehaho Passcode Unlock Trailer Lock Fits for 2 5/16 Inch Couplers \| Havvy Duty, Anti-Theft, Hardened Carbon Steel, Security Padlock,Suitable for RV, Boat, Camper,Cargo](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [Heavy Duty Trailer Lock for 2 5/16 Inch Ball Coupler - Yellow \| Full Sleeve Protect...](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [Universal Trailer Lock for 2-5/16", 2" & Bulldog Couplers \| Heavy-Duty Hardened Ste...](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)
- [2026 Tlvuvmo Trailer Hitch Locks for Most 2 5/16" & 2" & 1 7/8" Couplers \| Enclosed...](https://best-deals.pro/visit/kukoofyer-tcs-pro-trailer-coupler-lock)

## Add-ons

- [ROBLOCK Wheel Chocks \(2pair/4pack with Rope\) for RV Trailer Camper Truck Car Aircraft, Versatile Heavy Duty Rubber Wheel Chocks Block with 3 Reflective Strips, Tire Wheel Immobilizers & Chocks](https://best-deals.pro/visit/roblock-407-rubber-wheel-chocks-4-pack)

## Images

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 1](https://best-deals.pro/i/Quojqcsc11yqPPh8fJGyqj1PE2ursJDHTAhzNT_n-NE4NrptbWPqsWAzBo6WiG_u0qpD0dk_xWYDWRG8dG-1hxMu7N8Nuo5F4lOKh11FpCO7LQPmUeWdCceg.jpg)

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 2](https://best-deals.pro/i/vH5nWv-SFh74BH-PZWj6W7-CanT1sW659sof0YrB5dXTNhwD3Rg8z1BLDG7NDJwugk5VlHXsCTT2XHhIEPr6GoZ2hfHm07UbxveGjz8_QXO938TGUqXI9RCE.jpg)

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 3](https://best-deals.pro/i/AFl7gHnfYwqC6xta4TJCLVlkaFkIj8thzf9_HcPZ_UnLWwbYOdfvzFLjyPLffzXC-1EboGs1W-XbKCduu54LjWTtAhKuvlWk674hqbEeFul1IGXftpf5dGuz.jpg)

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 4](https://best-deals.pro/i/5ikMu2ODt5NsF49LVUW76yCL7Ki3v6XbnVbP2MAAADxNlArHb7iBZh6RerH6Lz0izTyqy8c7mR68D14ho6dkuHWC23bILPHlponqu3BevJLSEQCV7J5DFexh.jpg)

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 5](https://best-deals.pro/i/QlIowPcC1kn0HoFqgx445NDFZjrlK2QJiWUcbMOqeLsbwAfW6bkwYlcw1WYgldKFvm67p1dmk1VACnFVk9gcrf1X4Cjn4SsxlWjzdgOMIHSEDSuRANR5xqdJ.jpg)

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 6](https://best-deals.pro/i/EjIuua4jFKLPswBGKg3ySK35lQwZQ-K0nKxJ13W6ljfXBThBgU6i1S2sgoa02Bgpi4HL0yg-QdRhk1E3huSNj6vVG7mOxUgANFVhge5e0jOM_lUKXCwmC7N6.jpg)

![Kukoofyer TCS-Pro Trailer Coupler Lock for 2-5/16-Inch Couplers — 7](https://best-deals.pro/i/kG8JWpfFYaX9fOo9R6XdirTcPwGCbrxSuizfU_3E50VJ_TqKU_mikvi7auJlhhivFwKz-rP_n8cf3hwK93XS0GDsCtCRzlU0uPdWcVmJFV304O65_d0mu1yN.jpg)