Master Lock® Coupler Latch Lock for Trailer Hitches

   

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Size
Description
Other specs Quantity Price & availability

3 1/2" Shackle

1471DAT

Diameter:
1/4"

7/8" Shackle

1475DAT

Diameter:
1/4"
  • Simple but effective
  • "Tough as nails"
  • Fits UFP-style or standard coupler latches
Master Locks are simple, versatile, and as tough as they come! Fits UFP-style or standard coupler latches.
Rated 4 out of 5 by 8 reviewers.
Rated 1 out of 5 by Be Careful I backed in to hook up the boat and my trailer ball hit one end of this lock and snapped it . Anyone can hit it with something and break it off. Very poor quality for a $15 lock. July 13, 2012
Rated 1 out of 5 by Unexpected poor quality I purchased this lock as a replacement for a Reese lock that gave up the ghost after just 6 months. I was very disappointed after getting home and opening the package that the keys were miscut or had been mispackaged. Was never able to get the lock open to place on the trailer July 9, 2012
Rated 5 out of 5 by Solid lock Ordered this lock shortly after I purchased a new trailer for my boat. I've only been using it for two weeks, but so far it works very well. June 7, 2011
Rated 5 out of 5 by Great lock Works great, would recommend this lock to everyone. December 7, 2010
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2 years, 9 months ago
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Staff Answer
A: 
Chrome plated steel and will rust in a salty environment. Try item 52790600, which is stainless steel.
2 years, 9 months ago
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 - springfield, mo
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3 years, 5 months ago
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A: 
The width of the area the latch lock goes through is much wider on the UFP couplers, so the lock needs to be longer. The length of the 55374000 is 3-1/2" and the length of the 55374800 is 7/8", so if you have a UFP you would want the 55374000.
2 years, 11 months ago
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 - springfield, mo
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