New Arrivals/Restock

Master Lock - Fits 1-7/8" and 2" Couplers - (8) Keyed Alike Trailer Coupler Locks 377KA-8

flash sale iconLimited Time Sale
Until the end
07
48
44

$168.18 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $280.30
quantity

Product details

Management number 215348049 Release Date 2026/04/12 List Price $112.12 Model Number 215348049
Category

The Master Lock No. 377KA features a trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Master Lock No. 377KA guards against trailer towaway theft. Fits Most 1-7/8" and 2" ball diameters of the following coupler brands: Reese, Fulton, Valley, Atwood, Putnam, Marvel, Ideal, Acme, Dutton-Lainson. Advanced locking mechanism resists picking and prying. Easy to install and remove. It resists rust and corrosion and has a lifetime guarantee. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

  • This listing is for (8) eight 377KA coupler locks keyed alike and 16 keys.
  • If you order two 8-packs or any multiple of this lock we will automatically key them all the same.
  • SPECIFICATIONS: Fits 1-7/8", 2" and some 2-5/16" trailer couplers. For 2-5/16" couplers we recommend a different lock, search Master Lock 379KA.
  • DURABLE DESIGN: Aluminum diecast finish resists rust and corrosion. Advanced locking mechanism resists picking and prying. Easy to install and remove.
  • Limited Lifetime Warranty provides peace of mind from a brand you can trust.
Color Silver
Shape Round
Lock Type Pin Tumbler
Brand Name Master Lock
Style Name Modern
Item Weight 25 Pounds
Manufacturer Master Lock
Model Number 377KA
Material Type Aluminum
Controller Type Hand Control
Item Dimensions 4 x 4 x 3 inches
Additional Features Anti Rust
Included Components Lock & 2 Keys
Recommended Uses For Product Securing trailers, trailer fleets, and outdoor equipment
Manufacturer Warranty Description MASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review