Master Lock King Pin Lock for Semi-Trailers RV and Fifth Wheel Trailer - 387 387

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Brand: Master Lock
Part #: 387
UPC: 071649218606
SKU
281-49693B23
Regular Price $412.60 Special Price $229.32

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Master Lock King Pin Lock for Semi-Trailers RV and Fifth Wheel Trailer - 387

Protect your semi-trailer, RV, or fifth wheel trailer from theft and break-ins with the Master Lock King Pin Lock. This high-security locking device secures the king pin, making it virtually impossible to cut or force open with bolt cutters. The lightweight, high-grade aluminum construction provides exceptional security without adding extra weight. Ideal for RV owners, semi-trailer operators, and fifth wheel trailer enthusiasts, this lock provides peace of mind while on the road or storing your vehicle. Its compact design fits seamlessly into any trailer setup, giving you added protection and confidence in the security of your valuable investment.

Top product features:

  • Secures the king pin of semi-trailers, RVs, and fifth wheel trailers to prevent theft and deter break-ins.
  • Includes an integrated padlock that makes bolt cutters useless.
  • Made of high-grade aluminum that is lightweight while providing high security.

Top product applications:

  • Secures the king pin of semi-trailers to prevent theft and deter break-ins
  • Secures RVs to prevent theft and deter break-ins
  • Secures the king pin of fifth wheel trailers to prevent theft and deter break-ins
The master lock no. 387 high security king pin lock secures the king pin of semi-trailers rvs and other fifth wheel trailers to prevent theft and deter break-in's. Including an integrated padlock (no. 5) this locking device renders bolt cutters useless and the high-grade aluminum is lightweight while providing high security.

Additional Information

  • UPC: 071649218606
  • UNSPSC: 24101800
  • Brand: Master Lock Company
  • Color: Silver
  • Package Quantity: 1
  • Country of Origin: MX
  • FOB Origin: In Stock
  • Ships by: PARCEL
  • Comes in a kit: No
  • Newly added to catalog: No
  • Item is on Clearance: No
  • Contains Hazardous Materials: No
  • CA Proposition 65 Applies: No
  • Package Length: 7.38
  • Package Width: 6.63
  • Package Height: 3.58
  • Package Weight: 6.95
Product info last updated on May 8, 2026 1:13pm UTC Category: Dock Equipment
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In stock