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Automotive & Towing

Wherever you go, Master Lock protects you. Protect your boat, camper, or ATV with a Master Lock trailer hitch lock.

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Automotive & Towing

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[1495DAT] Master Lock 1495DAT 5/8" (16mm) Class III/IV Barrel Head Hitch Pin

Master Lock 1495DAT 5/8" (16mm) Class III/IV Barrel Head Hitch Pin

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[1465DAT] Master Lock 1465DAT 5/8" (16mm) Class III/IV Stainless Steel Barrel Head Hitch Pin

Master Lock 1465DAT 5/8" (16mm) Class III/IV Stainless Steel Barrel Head Hitch Pin

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[605DAT] Master Lock 605DAT Solid Brass Coupler Latch Lock with 3/4" (19mm) Shackle

Master Lock 605DAT Solid Brass Coupler Latch Lock with 3/4" (19mm) Shackle

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[2866DAT] Master Lock 2866DAT 1/2" (13mm) and 5/8" (16mm) Swivel Head™ Receiver Lock

Master Lock 2866DAT 1/2" (13mm) and 5/8" (16mm) Swivel Head™ Receiver Lock

This Master Lock Swivel Head Receiver Lock is 2-1/2" long and fits 5/8" and 1/2" diameter receiver holes. The swivel head allows for access to keyway in tight spots.
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[379ATPY] Master Lock 379ATPY Universal Trailer Coupler Lock

Master Lock 379ATPY Universal Trailer Coupler Lock

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[377DAT] Master Lock 377DAT Trailer Coupler Lock

Master Lock 377DAT Trailer Coupler Lock

The Master Lock No. 377DAT features a trailer coupler lock, designed to fit 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) trailer couplers.
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[377KA 0501] Master Lock 377KA Trailer Coupler Lock, Keyed Alike w/ 0501 Keyway

Master Lock 377KA Trailer Coupler Lock, Keyed Alike w/ 0501 Keyway

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[377KA 0370] Master Lock 377KA Trailer Coupler Lock, Keyed Alike w/ 0370 Keyway

Master Lock 377KA Trailer Coupler Lock, Keyed Alike w/ 0370 Keyway

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[377KA 0340] Master Lock 377KA Trailer Coupler Lock, Keyed Alike w/ 0340 Keyway

Master Lock 377KA Trailer Coupler Lock, Keyed Alike w/ 0340 Keyway

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[378DAT] Master lock 378DAT 2-5/16" (59mm) Trailer Coupler Lock

Master lock 378DAT 2-5/16" (59mm) Trailer Coupler Lock

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[3794DAT] Master Lock 3794DAT Trailer Coupler Lock, Receiver Lock and Trailer Coupler Latch Lock; Combo Pack

Master Lock 3794DAT Trailer Coupler Lock, Receiver Lock and Trailer Coupler Latch Lock; Combo Pack

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