Master Lock 375DAT Class III/IV Snap On Receiver Hitch Lock with 5/8 Inch Pin
Normal Price:$14.88
Our Price:$9.41
Availability:Usually ships in 1-2 business days
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Manufacturer: Master Lock
Model: 375DAT
Binding: Tools & Hardware
Publisher: Master Lock
Label: Master Lock
Features for Master Lock 375DAT Class III/IV Snap On Receiver Hitch Lock with 5/8 Inch Pin:
- Trailer-hitch lock with 5/8-inch pin
- Locks boat trailers, utility trailers, camper trailers, and more onto hitch
- Precision tumbler mechanism resists picking; Class III/IV
- Sealed stainless steel body resists corrosion; solid brass cylinder cores and cases
- Fits 2-inch, square receiver tubes; accepts K1 key blank; limited lifetime warranty
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Editorial Review
Keep that unattended trailer locked and secure with this snap-on hitch lock from Master Lock. The unit features a 5/8-inch, bent pin that slides into the trailer's receiver tubes with ease. The pin attaches to the lock so it can't be removed without one of the two included keys. Fitting 2-inch square receiver tubes, the lock is protected from the elements by Master Lock's Weather Tough seal for years of reliable trailer security. A stainless steel body and solid brass cylinder core resist corrosion for smooth operation and optimal security. And, an attached, plastic lock cover keeps moisture and road debris out of the keyhole for added protection. This Class III/IV lock also features a precision pin tumbler mechanism that resists picking. The unit accepts K1 key blanks for making additional keys.
--Brian D. Olson What's in the Box
Lock, two keys
Cached date: AWS Called=true
Customer Reviews
Hitch Lock 
2008-08-07
This is cool and easy to use. No worries if in hotel parking lot overnight. Remember to put the keys on your key ring before you begin your travels.
Good Lock but doesnt fit Swagman Bike Rack 
2008-08-02
Buyer beware!! - If you are buying this lock to pair with the Swagman XC Cross-Country 2-Bike Hitch Mount Rack (2-Inch Reciever) as recommended by Amazon; don't! I purchased the rack and hitch lock together in July 08 based on Amazons recommendation. Apparently, Swagman changed their design mid-year to a proprietary threaded hitch pin and a standard 5/8" slide in hitch lock no longer fits the bike rack.
Rusted on 
2008-04-17
After only 4 months, the lock part is rusted on the pin and I can't get it off. Also the key barely fit in the hole, even with the rubber piece protecting it from dirt and grime. The key is now stuck in the lock. Not that it matters, because I have to get the pin cut off anyways. I'd avoid this product.
Hitch Lock 
2007-09-26
Came in a timely manner, as advertised, great value, very pleased with this transaction and Amazon's service.
Great hitch lock! Highly recommended 
2007-09-08
I searched through many hitch locks and felt this one was the best. Easy to use, covering for the key hole, and it has the Masterlock brand behind it. Bravo. A great product.
Does the job ! 
2007-06-01
Keep that unattended trailer locked and secure with this snap-on hitch lock from Master Lock. The unit features a 5/8-inch, bent pin that slides into the trailer's receiver tubes with ease. The pin attaches to the lock so it can't be removed without one of the two included keys. Fitting 2-inch square receiver tubes, the lock is protected from the elements by Master Lock's Weather Tough seal for years of reliable trailer security. A stainless steel body and solid brass cylinder core resist corrosion for smooth operation and optimal security. And, an attached, plastic lock cover keeps moisture and road debris out of the keyhole for added protection. This Class III/IV lock also features a precision pin tumbler mechanism that resists picking. The unit accepts K1 key blanks for making additional keys.
--Brian D. Olson What's in the Box
Lock, two keys
No complain
2007-05-31
I've had the lock for over a week now and it's been working well and no rust yet.
Master Lock Rocks!
2007-05-13
I knew this product would be everything I expected, since it was a Master Lock. I was not disappointed one bit. This product functions beautifully, and it looks like a million dollars compared to the cheesy pins you see on my hitches. I would recommend this product to anybody.
Rusts Immediately
2007-05-11
The lock itself is good but the quality of the metal is definitely not. It began to rust almost immediately and now the entire lock is covered in rust and looks horrible. Better off getting a different one.
Master Lock 375DAT Snap on Receiver Hitch Lock
2006-03-10
Real nice product. I like the heavy rubber end that covers the lock. Sometimes on these locking bolts, they don't offer a seal on the lock and over time the lock rusts and is hard to work with. Being at the back of the truck, it's going to continue to be wet and the seal should keep the lock from not functioning as it should.