The model number 389DAT is a universal trailer coupler lock that will work with 2" bull dog style couplers.
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Master Lock Universal Trailer Coupler Lock, Model# 389DAT

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- Universal trailer coupler lock fits most 1 7/8in. (48mm), 2in. (51mm) and 2 5/16in. (59mm) couplers
- Guards against trailer tow-away theft
- Advance locking mechanism resists picking and prying
- Easy to install and remove
- Resists rust and corrosion
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Description
Key Specs
Reviews
Q & A
Warranty
Compare
Product Summary
What's Included
- (1) Universal trailer coupler lock (2) Keys
Features + Benefits
- Universal trailer coupler lock fits most 1 7/8in. (48mm), 2in. (51mm) and 2 5/16in. (59mm) couplers
- Guards against trailer tow-away theft
- Advance locking mechanism resists picking and prying
- Easy to install and remove
- Resists rust and corrosion
Key Specs
| Attribute | Specification |
|---|---|
item# | 67958 |
Brand | Master Lock |
Manufacturer's Warranty | Lifetime Limited warranty |
Ship Weight | 1.49 LB |
| Attribute | Specification |
|---|---|
Fits Receivers | Multiple in |
Material | Steel |
Length | 6.7 in |
Product Weight | 2.65 lb |
Reviews
Questions & Answers
Questions
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· a year ago
Will this work on a 2" bulldog type hitch?
1 answer-
ProductExpert11· a year ago
Helpful?
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· 3 years ago
I lost my key and the lock is attached to my hitch. Are replacements common and what do I need?
1 answer-
ProductExpert6· 3 years ago
You would need to contact the manufacturer for a duplicate key.
Helpful?
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· 5 years ago
Will this work on a bullnose tongue?
1 answer-
ProductExpert38· 5 years ago
This coupler lock is not suitable for a bullnose tongue.
Helpful?
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· 5 years ago
will this work on a gooseneck coupler?
1 answer-
ProductExpert38· 5 years ago
This coupler is not designed to work with a gooseneck hitch.
Helpful?
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· 5 years ago
Will this work on a tow ring hitch?
1 answer-
ProductExpert12· 5 years ago
This coupler lock will not work on a tow ring hitch.
Helpful?
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· 5 years ago
2nd try, Can this lock be rekeyed by a Locksmith?
1 answer-
ProductExpert12· 5 years ago
This coupler lock cannot be rekeyed by a Locksmith.
Helpful?
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· 6 years ago
Can you get muti locks with same key?
1 answer-
ProductExpert6· 6 years ago
The coupler lock is not available to be keyed alike.
Helpful?
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· 7 years ago
Will this work on a gooseneck hitch?
1 answer-
ProductExpert6· 7 years ago
The coupler is not designed to work with a gooseneck hitch. It will fit the 1 7/8", 2" and 2 5/16" couplers.
Helpful?
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· 7 years ago
Will this work with a bull nose coupler?
1 answer-
ProductExpert5· 7 years ago
This will work with a bull nose coupler.
Helpful?
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Warranty
Manufacturer's Warranty
Lifetime Limited warranty
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Specifications
Multiple in
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Steel
Combination
Carbon Steel
Carbon Steel
6.7 in
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2.65 lb
0.1100 lb
0.1000 lb
0.1500 lb
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7.0 x 2.0 x 4.0 in
7.0 x 2.0 x 4.0 in
7.0 x 2.0 x 4.0 in
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