1. Cars & Automotive
  2. Car Accessories
  3. Car Safety & Security
  4. Anti-Theft Locking Devices
  5. Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT
Master Lock Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT

Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT

Brand Master Lock
New

In stock

Smart shoppers OnBuy it!

  • Earn Cashback on every purchase – spend it instantly on your next order
  • Free delivery – on millions of items across the site
  • Customers love us – 131,000 Trustpilot reviews and an 'Excellent' rating

See full product description & details

£39.88
FREE Delivery
1% What is instant Cashback? Learn More
Add to Basket

Interest-free payment options available

See full product description & details

Delivery: Standard (Free) | Sat 8th - Mon 10th Aug

Sold by: Trading Moyo LTD

Returns: 30 days

180-day payment protection

Add to Basket

You might also like

Car Anti-Theft Locking Devices
Solid Steel 13-15" Car Van Wheel Clamp Safety Lock for caravan TrailerSolid Steel 13-15" Car Van Wheel Clamp Safety Lock for caravan Trailer
£44.00FREE Delivery
Stoplock Pro Elite Car Steering Wheel Lock HG 150-00 - Safe Secure Heavy Duty Anti-Theft Bar - Universal Fit - Includes 2 Keys and Carry Bag,Stoplock Pro Elite Car Steering Wheel Lock HG 150-00 - Safe Secure Heavy Duty Anti-Theft Bar - Universal Fit - Includes 2 Keys and Carry Bag,
£49.74FREE Delivery
(1) LOCKABLE FOLDING CAR PARK BARRIER DRIVEWAY SECURITY BOLLARD POSTMultiple Options Available(1) LOCKABLE FOLDING CAR PARK BARRIER DRIVEWAY SECURITY BOLLARD POST
£16.85FREE Delivery
Car Speed Radar Detector 360 Degree V7 Gps Police Safe Voice AlertCar Speed Radar Detector 360 Degree V7 Gps Police Safe Voice Alert
£8.23FREE Delivery
Faraday Box Car Key Safe Protector RFID Anti-Theft Signal Blocking CagesFaraday Box Car Key Safe Protector RFID Anti-Theft Signal Blocking Cages£9.99FREE Delivery
(Pagoda-2.5cm, 20pcs) New 10/20pcs Tire Breakthrough Triangle Nail Spike Anti-Theft Vehicle CarMultiple Options Available(Pagoda-2.5cm, 20pcs) New 10/20pcs Tire Breakthrough Triangle Nail Spike Anti-Theft Vehicle Car£13.90FREE Delivery
Steering Wheel Lock To Fit Fiat 500 Baseball Bat Style Compact Highly VisibleSteering Wheel Lock To Fit Fiat 500 Baseball Bat Style Compact Highly Visible£16.98FREE Delivery
STOPLOCK Steering Wheel Lock - Original [HG134-59]STOPLOCK Steering Wheel Lock - Original [HG134-59]£32.99FREE Delivery
Steering Wheel Lock Heavy Duty to fit Vauxhall Mokka (13-17)Steering Wheel Lock Heavy Duty to fit Vauxhall Mokka (13-17)£26.50FREE Delivery
Turnart Steering Wheel Lock, Password Car Security Anti-Theft Device, Heavy Duty Steering Wheel Lock, Universal Fit for Cars, Trucks, Vans and SUVsTurnart Steering Wheel Lock, Password Car Security Anti-Theft Device, Heavy Duty Steering Wheel Lock, Universal Fit for Cars, Trucks, Vans and SUVs£48.01FREE Delivery
Steering Wheel Lock To Fit Bmw Mini Clubman Baseball Bat Style Compact VisibleSteering Wheel Lock To Fit Bmw Mini Clubman Baseball Bat Style Compact Visible
£16.98FREE Delivery
(4) LOCKABLE FOLDING CAR PARK BARRIER DRIVEWAY SECURITY BOLLARD POSTMultiple Options Available(4) LOCKABLE FOLDING CAR PARK BARRIER DRIVEWAY SECURITY BOLLARD POST£61.85FREE Delivery
Streetwize Steering Wheel Lock Double Hook Twin Bar Lock Anti Theft ProtectionStreetwize Steering Wheel Lock Double Hook Twin Bar Lock Anti Theft Protection£25.19FREE Delivery
Car Radar Detector 360 Degree 16 Band LED Display Anti Police Speed Voice Alert WarningCar Radar Detector 360 Degree 16 Band LED Display Anti Police Speed Voice Alert Warning
£14.10FREE Delivery
2 Pack Car Key Signal Blocker Pouch, Faraday Pouch for Car Keys, Keyless Signal Blocking Key Case, Rfid Blocker Bag for Car Security2 Pack Car Key Signal Blocker Pouch, Faraday Pouch for Car Keys, Keyless Signal Blocking Key Case, Rfid Blocker Bag for Car Security
£10.33FREE Delivery
Steering Wheel Lock To Fit Peugeot 208 Baseball Bat Style Compact VisibleSteering Wheel Lock To Fit Peugeot 208 Baseball Bat Style Compact Visible£16.98FREE Delivery
Upgraded Faraday Bag for Key Fob (2 Pack),Premium Faraday Key Fob Protectorâ Car RFID Signal Blocking, Car Security Protection Pouch, AntiUpgraded Faraday Bag for Key Fob (2 Pack),Premium Faraday Key Fob Protectorâ Car RFID Signal Blocking, Car Security Protection Pouch, Anti£12.71FREE Delivery
8"-10" 140mm Trailer Wheel Clamp - Maypole Caravan Mp9061 810 Security - wheel clamp trailer maypole caravan mp9061 810 security universal heavy duty8"-10" 140mm Trailer Wheel Clamp - Maypole Caravan Mp9061 810 Security - wheel clamp trailer maypole caravan mp9061 810 security universal heavy duty£46.09FREE Delivery
(2) LOCKABLE FOLDING CAR PARK BARRIER DRIVEWAY SECURITY BOLLARD POSTMultiple Options Available(2) LOCKABLE FOLDING CAR PARK BARRIER DRIVEWAY SECURITY BOLLARD POST£31.85FREE Delivery
Steering Wheel Lock Heavy Duty to fit Mazda Cx 5 (12-16)Steering Wheel Lock Heavy Duty to fit Mazda Cx 5 (12-16)£26.50FREE Delivery
Steering Wheel Lock Heavy Duty to fit Toyota Rav-4 Mk2 / 3 (00-12)Steering Wheel Lock Heavy Duty to fit Toyota Rav-4 Mk2 / 3 (00-12)£26.50FREE Delivery
Fort Knox 77095 Heavy Duty Wheel Lock, Yellow - Lock Security Clamp Car Caravan - fort knox wheel lock heavy duty security clamp car caravan 77095Fort Knox 77095 Heavy Duty Wheel Lock, Yellow - Lock Security Clamp Car Caravan - fort knox wheel lock heavy duty security clamp car caravan 77095
£38.99FREE Delivery
hook lock Bar anti theft car or van steering wheel security/crookhook lock Bar anti theft car or van steering wheel security/crook£9.75FREE Delivery
Description & Details

Summary

  • Coupler lock is best used for trailers; Works best with Straight Tongue Trailer Couplers
  • Advance locking mechanism resists picking and prying
  • Designed to resist rust and corrosion

Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT Description

The Master Lock No. 378DAT features a 2-5/16 inch (59mm) trailer coupler lock, designed to resist rust and corrosion. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime provides peace of mind from a brand you can trust.Advance locking mechanism resists picking and prying

Details

OPC PSVY2HD
Brand
Master Lock
Codes 5051224064533 (EAN)
MPN 378DAT

Product Images

Master Lock Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 1
Master Lock Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 2
Master Lock Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT

Compare Sellers for Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT

  • New from £39.88
Seller Ratings Warranty Returns Price Delivery Total Quantity
Visit Store
(267 reviews) 		-
30 Days
Free Returns No
£39.88
+Fast & Free Delivery
Est. Delivery: 8th-10th Aug
£39.88
Add To Basket

Earn as you shop with instant Cashback on everything.

No catch, no cost

  • Paid into your OnBuy account
  • Spend it on your next purchase
  • Save it or withdraw it

Become a Cashback VIP

Just 1 purchase unlocks bigger deals & rates

Wait! You've left
something behind

You'll only get instant Cashback at OnBuy! Enter your email below and we'll send you a copy of your basket to save you time later.

By entering your email address, you'll automatically be added to our database, where you can enjoy personalised Cashback offers and early access to our best deals. You can opt out of our emails at any time and we'll never share your details with anyone. Check our Privacy Policy and T&Cs to find out more.

Before you go...
Remember, you'll only get instant Cashback on everything at OnBuy!

Want access to personalised offers and the highest Cashback rates? Sign up to our emails below.

You can opt out of our emails at any time and we'll never share your details with anyone. Check our Privacy Policy and T&Cs to find out more.

This page has expired.

Please refresh the page to continue shopping.

Refresh and continue