£47.48

Master Lock Trailer Lock, Trailer Coupler & Receiver Lock Combo Pack, 3794DAT

Red, 3794DAT

Price data last checked 93 day(s) ago - refreshing...

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

Same price for 5 weeks. Today is much like next week.

£47 for 36 days straight · last change was Jan 2026

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 638 days • 638 data points (No recent data available)

Historical
Generating forecast...
£71.03 £3.45 £18.19 £32.94 £47.68 £62.43 £77.17 05 June 2024 11 November 2024 19 April 2025 25 September 2025 04 March 2026

Price Distribution

Price distribution over 638 days • 4 price levels

Days at Price
Current Price
483 days 36 days · current 69 days 50 days 0 121 242 362 483 £9.59 £47 £60 £71 Days at Price

Price Analysis

Most common price: £9.59 (483 days, 75.7%)

Price range: £9.59 - £71

Price levels: 4 different prices over 638 days

Description

The Master Lock No. 3794DAT features a trailer coupler lock, receiver lock and trailer coupler latch lock. The trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers. The receiver lock includes the Push to Lock locking mechanism, easily used by pushing the lock body firmly onto the pin and removing the key. The Weather Tough seal and water tight cap provides additional protection from moisture and dirt. The coupler latch lock adjusts from 9/16in (14mm) to 2-3/4in (70mm) for added application flexibility. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

Key Features

LOCK APPLICATION: Best used for vehicles, trailers, and RV hitch locks

EASE OF USE: Receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key

DURABLE DESIGN: Weather Tough seal and watertight cap provide protection from moisture and dirt

SPECIFICATIONS: Stainless steel trailer coupler lock adjusts from 9/16 in. to 2-3/4 in.; Fits 1-7/8 in., 2 in. and most 2-5/16 in. couplers

INCLUDES: One trailer coupler lock, one receiver lock, one trailer coupler latch lock; two keys (both keys open all three locks)

Product Specifications

Model
3794DAT
Colour
Red
Domain
Amazon UK
Listed Since
07 August 2012

Barcode

No barcode data available

Similar Products You Might Like

Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT
98% match

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

Master Lock

£42.95 18 Feb 2026
Master Lock 3895DAT - Coupler Lock, Receiver Lock and Latch Lock - 3 Components Keyed Alike
97% match

Master Lock 3895DAT - Coupler Lock, Receiver Lock and Latch Lock - 3 Components Keyed Alike

Master Lock

£73.95 18 Mar 2026
Blaylock American Metal TL-33 Coupler Lock
97% match

Blaylock American Metal TL-33 Coupler Lock

Blaylock American Metal

£51.79 20 Feb 2026
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-1/2" Long Shackle x 9/32" Diameter Pin Silver, Fits UFP and surge brake couplers
97% match

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

£36.36 05 Feb 2026
AMPLock U-TLS2 : 2'' RV Lock/Trailer Coupler Lock/Boat Trailer Lock (fits on Specific 2 inches Coupler only)
97% match

AMPLock U-TLS2 : 2'' RV Lock/Trailer Coupler Lock/Boat Trailer Lock (fits on Specific 2 inches Coupler only)

AMPLOCK

£107.46 28 Jan 2026
CURT 23556 Channel Mount Lock Set
97% match

CURT 23556 Channel Mount Lock Set

CURT

£73.93 11 Apr 2026
CURT 23527 Trailer Lock Set for 2-Inch Receiver, 2-1/2-Inch Coupler Latch Span
96% match

CURT 23527 Trailer Lock Set for 2-Inch Receiver, 2-1/2-Inch Coupler Latch Span

CURT

£40.22 16 Dec 2025
Fulton 34600 0301 Trailer Coupler, Class IV 6000 lbs. Rating, Zinc
96% match

Fulton 34600 0301 Trailer Coupler, Class IV 6000 lbs. Rating, Zinc

Fulton

£51.26 27 Feb 2026
CURT 25135 Straight Tongue Trailer Coupler for 2-1/2-Inch Channel, 2-In Hitch Ball, 3,500 lbs, CLEAR ZINC
96% match

CURT 25135 Straight Tongue Trailer Coupler for 2-1/2-Inch Channel, 2-In Hitch Ball, 3,500 lbs, CLEAR ZINC

CURT

£46.98 02 Mar 2026
Tow Ready (63228 'Gorilla Guard' Coupler Lock for 2" Couplers,silver
96% match

Tow Ready (63228 'Gorilla Guard' Coupler Lock for 2" Couplers,silver

Draw-Tite

£12.56 18 Mar 2026
CURT 25217 Black A-Frame Trailer Coupler, 2-Inch Hitch Ball, 7,000 lbs
96% match

CURT 25217 Black A-Frame Trailer Coupler, 2-Inch Hitch Ball, 7,000 lbs

CURT

£87.09 20 Jan 2026
CURT 25200 Black A-Frame Trailer Coupler, 2-5/16-Inch Hitch Ball, 10,000 lbs
96% match

CURT 25200 Black A-Frame Trailer Coupler, 2-5/16-Inch Hitch Ball, 10,000 lbs

CURT

£44.63 15 Feb 2026
CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs
96% match

CURT 25100 Straight Tongue Trailer Coupler for 3-Inch Channel, 2-In Hitch Ball, 5,000 lbs

CURT

£48.48 07 Feb 2026
VEVOR A-Frame Trailer Coupler, Fits 2-Inch Hitch Ball Size, 7000 lbs Towing Capacity, Heavy Duty Steel Coupler, Ideal for Towing Station Wagons, Pickup Trucks, SUVs, Campers, Black Coating Surface
96% match

VEVOR A-Frame Trailer Coupler, Fits 2-Inch Hitch Ball Size, 7000 lbs Towing Capacity, Heavy Duty Steel Coupler, Ideal for Towing Station Wagons, Pickup Trucks, SUVs, Campers, Black Coating Surface

VEVOR

£44.99 25 Jan 2026
Maypole Strongbox Hitchlock Fits Most ALKO, Steelpress and Knott Pressed Steel Hitches on 50mm Drawbars
96% match

Maypole Strongbox Hitchlock Fits Most ALKO, Steelpress and Knott Pressed Steel Hitches on 50mm Drawbars

Maypole

£48.25 05 Feb 2026
Fastway 42-00-2625 Flash 6" E-Series HD 2.5" Shank 2"&2-5/16" Chromed Balls, Aluminum, 6" Drop
96% match

Fastway 42-00-2625 Flash 6" E-Series HD 2.5" Shank 2"&2-5/16" Chromed Balls, Aluminum, 6" Drop

Fastway

£518.68 04 Mar 2026
Master Lock 1481DAT Stainless Steel Barbell Receiver and Adjustable Coupler Lock Set
96% match

Master Lock 1481DAT Stainless Steel Barbell Receiver and Adjustable Coupler Lock Set

Master Lock

£49.03 19 Feb 2026
Relaxdays 10031042 trailer lock, common for common couplings, anti-theft protection, round lock, trailer box lock, steel, silver, 11 x 15 x 23.5 cm
96% match

Relaxdays 10031042 trailer lock, common for common couplings, anti-theft protection, round lock, trailer box lock, steel, silver, 11 x 15 x 23.5 cm

Relaxdays

£41.90 10 Dec 2025
AMPLOCK U-BRP2 | Heavy Duty Trailer Lock for 2" Ball Coupler | Patented 2-Parts Lock for Trailers, RVs, and Boats | Fits 2" Ball Trailer Coupler with Flat Lip Design
96% match

AMPLOCK U-BRP2 | Heavy Duty Trailer Lock for 2" Ball Coupler | Patented 2-Parts Lock for Trailers, RVs, and Boats | Fits 2" Ball Trailer Coupler with Flat Lip Design

AMPLOCK

£241.99 28 Jan 2026
CURT 70005 Rambler RV Tow Bar Lock Set, 3-Pack, Keyed-Alike
96% match

CURT 70005 Rambler RV Tow Bar Lock Set, 3-Pack, Keyed-Alike

CURT

£60.35 02 Mar 2026
864062L REYSUN Hitch Recovery Trailer Hitch Tri Ball Mount and 360 Swivel Tow Shackle, fits for 2" Receiver, Chrome Tow Ball
96% match

864062L REYSUN Hitch Recovery Trailer Hitch Tri Ball Mount and 360 Swivel Tow Shackle, fits for 2" Receiver, Chrome Tow Ball

REYSUN

£117.85 18 Mar 2026
Blaylock American Metal 0229.3024 Metal DL-80 Coupler Lock
96% match

Blaylock American Metal 0229.3024 Metal DL-80 Coupler Lock

Blaylock American Metal

£51.74 26 Feb 2026
Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Secures Safety Chains, Made in The USA, (Blue)
96% match

Proven Industries Model 2178 Trailer Lock, Fits 2-Inch Trailer Couplers, Secures Safety Chains, Made in The USA, (Blue)

Proven Industries

£254.39 14 Jan 2026
Trimax TRZ12AL 12" Premium Aluminum Adjustable Hitch with Dual Hitch Ball and T3 Receiver Lock
96% match

Trimax TRZ12AL 12" Premium Aluminum Adjustable Hitch with Dual Hitch Ball and T3 Receiver Lock

Trimax

£230.50 15 Apr 2026