Skip to main content

Sign In / Enroll

Get rewarded!

A woman outside with a dog
A woman outside with a dog

Master Lock Universal Trailer Coupler Lock, P63555

Master Lock Universal Trailer Coupler Lock, P63555
1.01 Reviews

Item # 2544367

Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
$44.99

See 2 deals for this item

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Master Lock Universal Trailer Coupler Lock, P63555
1.01 Reviews

Item # 2544367

Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555
Image showing Universal Trailer Coupler Lock, P63555

See 2 deals for this item

$44.99

Shopping at

Grassland (franklin) TN

Delivery to

37027

Free standard delivery on online footwear & Clothing purchases of $49 and over.

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

The Master Lock No. 379ATPY features a universal trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.Best Used For Outdoors Marine & Offshore Security

  • Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers
  • Advance locking mechanism resists picking and prying
  • Easy to install and remove
  • Resists rust and corrosion

Similar Items

  1. Reese Towpower Trailer Coupler Lock, Universal Fit
    4.0 out of 5 stars with 42 reviews (42)

    Reese Towpower Trailer Coupler Lock, Universal Fit

    $29.99
  2. Buyers Products 2 in. 5-Position Cast Trailer Coupler
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 2 in. 5-Position Cast Trailer Coupler

    $197.99
    Was $219.99Save $22.00
  3. Top Rated
    Buyers Products 2 in. Cast Trailer Coupler, 10,000 lb.
    5.0 out of 5 stars with 1 reviews (1)

    Buyers Products 2 in. Cast Trailer Coupler, 10,000 lb.

    $129.99
  4. Buyers Products 1 pc. Cast Trailer Coupler, 15,000 lb.
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 1 pc. Cast Trailer Coupler, 15,000 lb.

    $134.99
    Was $149.99Save $15.00
  5. Buyers Products 2 in. 3-Position Cast Trailer Coupler
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 2 in. 3-Position Cast Trailer Coupler

    $179.99
    Was $199.99Save $20.00
  6. Buyers Products 2.5 in. 3-Position Cast Trailer Coupler
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 2.5 in. 3-Position Cast Trailer Coupler

    $161.99
    Was $179.99Save $18.00
  7. B&W 2-5/16 in. Defender Trailer Coupler for Gooseneck Hitches, 25,000 lb. Capacity
    0.0 out of 5 stars with 0 reviews (0)

    B&W 2-5/16 in. Defender Trailer Coupler for Gooseneck Hitches, 25,000 lb. Capacity

    $377.99
    Was $419.99Save $42.00
  8. Tractor Supply 2-5/16 in. Ball A-Frame Trailer Coupler, 10,000 lb.
    0.0 out of 5 stars with 0 reviews (0)

    Tractor Supply 2-5/16 in. Ball A-Frame Trailer Coupler, 10,000 lb.

    $49.99
  9. Top Rated
    Buyers Products 2-5/16 in. 5-Position Cast Trailer Coupler, 15,000 lb.
    5.0 out of 5 stars with 1 reviews (1)

    Buyers Products 2-5/16 in. 5-Position Cast Trailer Coupler, 15,000 lb.

    $179.99
    Was $199.99Save $20.00
  10. Buyers Products Heavy-Duty Straight Tongue Trailer Coupler, 2 in. Ball, 10,000 lb. Capacity
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products Heavy-Duty Straight Tongue Trailer Coupler, 2 in. Ball, 10,000 lb. Capacity

    $197.99
    Was $219.99Save $22.00
  11. Top Rated
    Tractor Supply 2-5/16 in. Ball Adjustable Channel-Mount Trailer Coupler, 12,500 lb.
    5.0 out of 5 stars with 1 reviews (1)

    Tractor Supply 2-5/16 in. Ball Adjustable Channel-Mount Trailer Coupler, 12,500 lb.

    $139.99
  12. Top Rated
    Tractor Supply Universal Coupler Lock, Yellow
    4.8 out of 5 stars with 4 reviews (4)

    Tractor Supply Universal Coupler Lock, Yellow

    $29.99

Items You May Like

Customers Also Bought

  1. Reese Towpower Trailer Coupler Lock, Universal Fit
    4.0 out of 5 stars with 42 reviews (42)

    Reese Towpower Trailer Coupler Lock, Universal Fit

    $29.99
  2. Top Rated
    Trailer Valet 2-1/2 in. Blackout Series Heavy-Duty Bolt-On Coupler, 2 in. Ball, Tongue Mount, 3,500 lb. Capacity
    5.0 out of 5 stars with 1 reviews (1)

    Trailer Valet 2-1/2 in. Blackout Series Heavy-Duty Bolt-On Coupler, 2 in. Ball, Tongue Mount, 3,500 lb. Capacity

    $28.79
    Was $31.99Save $3.20
  3. Buyers Products 2 in. 5-Position Cast Trailer Coupler
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 2 in. 5-Position Cast Trailer Coupler

    $197.99
    Was $219.99Save $22.00
  4. Top Rated
    Buyers Products 2 in. Cast Trailer Coupler, 10,000 lb.
    5.0 out of 5 stars with 1 reviews (1)

    Buyers Products 2 in. Cast Trailer Coupler, 10,000 lb.

    $129.99
  5. Buyers Products 1 pc. Cast Trailer Coupler, 15,000 lb.
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 1 pc. Cast Trailer Coupler, 15,000 lb.

    $134.99
    Was $149.99Save $15.00
  6. Buyers Products 2 in. 3-Position Cast Trailer Coupler
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 2 in. 3-Position Cast Trailer Coupler

    $179.99
    Was $199.99Save $20.00
  7. Buyers Products 2.5 in. 3-Position Cast Trailer Coupler
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products 2.5 in. 3-Position Cast Trailer Coupler

    $161.99
    Was $179.99Save $18.00
  8. B&W 2-5/16 in. Defender Trailer Coupler for Gooseneck Hitches, 25,000 lb. Capacity
    0.0 out of 5 stars with 0 reviews (0)

    B&W 2-5/16 in. Defender Trailer Coupler for Gooseneck Hitches, 25,000 lb. Capacity

    $377.99
    Was $419.99Save $42.00
  9. Tractor Supply 2-5/16 in. Ball A-Frame Trailer Coupler, 10,000 lb.
    0.0 out of 5 stars with 0 reviews (0)

    Tractor Supply 2-5/16 in. Ball A-Frame Trailer Coupler, 10,000 lb.

    $49.99
  10. Top Rated
    Buyers Products 2-5/16 in. 5-Position Cast Trailer Coupler, 15,000 lb.
    5.0 out of 5 stars with 1 reviews (1)

    Buyers Products 2-5/16 in. 5-Position Cast Trailer Coupler, 15,000 lb.

    $179.99
    Was $199.99Save $20.00
  11. Buyers Products Heavy-Duty Straight Tongue Trailer Coupler, 2 in. Ball, 10,000 lb. Capacity
    0.0 out of 5 stars with 0 reviews (0)

    Buyers Products Heavy-Duty Straight Tongue Trailer Coupler, 2 in. Ball, 10,000 lb. Capacity

    $197.99
    Was $219.99Save $22.00
  12. Top Rated
    Tractor Supply 2-5/16 in. Ball Adjustable Channel-Mount Trailer Coupler, 12,500 lb.
    5.0 out of 5 stars with 1 reviews (1)

    Tractor Supply 2-5/16 in. Ball Adjustable Channel-Mount Trailer Coupler, 12,500 lb.

    $139.99