Trailer Parts Superstore® offers a variety of coupler locks and brake actuator locks for many different brands of couplers. We also have a wide selection of hitch/drawbar receiver locks, King Pin Locks, Lunette Ring Locks and Gladhand locks.
Stock# 7003223 Curt's set of three locks also includes a trailer coupler lock to deter theft of your trailer while it is parked and left unattended. 5/8" hitch lock pin fits 2" receiver tubes, 1/4" coupler lock pin adjusts to fit 1/2" to 2-1/2" coupler span, Trailer coupler lock fits most 1-7/8" and 2" flat lip couplers.
Stock# 1353026 Protect your valuables against theft with this solid machined steel, chrome plated cable lock. Tough 5/16” dia. x 10’ long vinyl coated aircraft type cable with integral locking mechanism. Includes two keys.
Stock# 5223339 Draw-Tite S.S. trailer coupler lock is corrosion resistant which makes it perfect for marine environments. Comes with (2) keys and a dust cap.
Stock# 7003126 CURT spare tire lock features a chrome-plated finish for a sharp look and protection against the elements. It fits side-mount spare tires and is key-operated with two keys included.
Stock# 5020032 TOW READY 'HITCHLOCK' fits all standard couplers (up to 3/4" span). The unique design protects better than conventional padlocks. Includes two keys.
Stock# 7003049 CURT coupler lock features a padlock design to keep the pin well protected from tampering. It comes with a black finish and offers a pin span of 3/4" with a pin diameter of 1/4". All CURT coupler locks are made to fit latch-type couplers and include two keys.
Stock# 5020111 Help prevent ball mount and trailer theft with a Fulton Class-II receiver lock. 1/2" diameter plated steel pin fits standard 1-1/2" square receiver tubes. Includes 2 keys and a protective cover.
Stock# 5020110 Help prevent ball mount and trailer theft with a Bulldog Class-III / Class-IV receiver lock. 5/8" diameter plated steel pin fits standard 2" square receiver tubes. Includes 2 keys and a protective cover.
Stock# 1353014 Receiver lock for 1-1/4" x 1-1/4" receivers. Use in place of standard pin and clip to prevent drawbar or accessory (bike rack/cargo carrier) theft. Has a 5-1/2" overall length, 1/2" pin diameter and 2-1/8" inside width. Includes (2) keys.
Stock# 1353022 The RCH32 is a hitch/trailer lock set that comes with the lock for both the trailer side and tow vehicle side. The kit comes with a RH3 (Class III & Class IV 2" x 2" square receiver lock) as well as a RC2 (lever style coupler requiring a 1/2" pin) with keyed alike keys.
Stock# 7003125 The 5th wheel hitch lock installs by inserting through the base rail and 5th wheel leg anchor, replacing one of the pins securing the 5th wheel hitch. Unlike a standard hitch pin, the extra-long pin design allows it to pass through the rail and out the other side with plenty of clearance. It is able to fit any industry-standard 5th wheel rail, featuring a 1/2" diameter.
Stock# 7003047 CURT coupler and hitch lock set features a right angle design and comes with a 5/8" diameter 2" receiver lock for the hitch and a 1/4" diameter 1" to 3" span lock for the coupler.
Stock# 7003046 CURT coupler and hitch lock set features a barbell design and comes with a 5/8" diameter 2" receiver lock for the hitch and a 1/4" diameter 2-1/2" span lock for the coupler.
Stock# 1353012 Fits lever style Surge Brake coupler requiring a 1/4" pin with a 3-3/8" span. Chrome-plated finish. Includes covered key opening and (2) keys.
Stock# 1353008 Fits lever style Surge Brake coupler requiring a 1/4" pin with a 2-1/2" span. Chrome-plated finish. Includes covered key opening and (2) keys.
Stock# 1353019 The RCH34 is a hitch/trailer lock set that comes with the lock for both the trailer side and tow vehicle side. The kit comes with a RH3 (Class III & Class IV 2" x 2" square receiver lock) as well as a RC4 (lever style Surge Brake coupler requiring a 1/4" pin with a 2-1/2" span) with keyed alike keys.
Stock# 1353020 The RCH35 is a hitch/trailer lock set that comes with the lock for both the trailer side and tow vehicle side. The kit comes with a RH3 (Class III & Class IV 2" x 2" square receiver lock) as well as a RC5 (lever style Surge Brake coupler requiring a 1/4" pin with a 3-3/8" span) with keyed alike keys.
Stock# 1353021 The RCH36 is a hitch/trailer lock set that comes with the lock for both the trailer side and tow vehicle side. The kit comes with a RH3 (Class III & Class IV 2" x 2" square receiver lock) as well as a RC5 (lever style Surge Brake coupler requiring a 1/4" pin with a 7/8" span) with keyed alike keys.
Stock# 5223344 DRAW-TITE combo hitch/coupler lock set includes a barrel style lock with (2) angled pins, 1/2" diameter for 1-1/4" square receivers, 5/8" diameter for 2" square receivers plus an adjustable keyed alike brass coupler lock. Also includes a universal ball coupler look that fits 1-7/8", 2", and 2-5/16" that is keyed alike.
Stock# 5397015 The Rapid Hitch Lock and Pin Set includes one adjustment pin lock and one receiver pin lock for 2", 2-1/2" and over-sized receivers. Made from machine-hardened Stainless Steel with 30,000 lbs. shear strength.
Stock# 7003048 This three-piece set includes a hitch lock (5/8" hitch lock pin fits 2" receiver tubes) , coupler lip lock (fits 2" and 2-5/16" flat lip couplers) and trailer coupler lock (1/4" coupler lock pin adjusts to fit 1/2" to 2-1/2" span).
Stock# 1353024 DEADBOLT coupler lock features a pin diameter of 1/4" and fits any coupler span from 1/2" to 2-1/2". Hitch lock features a pin diameter of 5/8" to fit 2" receiver tube openings. Coupler lip lock is able to fit 2-5/16" flat lip couplers.
Stock# 1353023 DEADBOLT coupler lock features a pin diameter of 1/4" and fits any coupler span from 1/2" to 2-1/2". Hitch lock features a pin diameter of 5/8" to fit 2" receiver tube openings. Coupler lip lock is able to fit most 1-7/8" and 2" flat lip couplers.
Stock# 7003086 CURT universal tri-ball trailer coupler lock has a lasso lanyard that is key-operated. It allows the trailer lock to be used while towing a trailer, keeping the latch locked in place. The tri-ball lock fits all three industry-standard coupler and ball sizes: 1-7/8", 2" and 2-5/16".
Stock# 7003050 CURT trailer lock features diecast metal construction and a hammer tone epoxy finish for a lasting strength and resistance to the elements. The dual-ratcheting locking system easily secures your trailer by inserting into the coupler and taking the place of a trailer ball. Fits most 1-7/8", 2" and 2-5/16" couplers including A-Frame models.
Stock# 5020047 Maximum protection for unattended trailer, fits Fulton 2" couplers and most other brands. Revolutionary design shields lock from tampering devices. Durable zinc die-cast construction features easy, single key locking action.
Stock# 5020048 Maximum protection for unattended trailer, fits Fulton 2-5/16" couplers and most other brands. Revolutionary design shields lock from tampering devices. Durable zinc die-cast construction features easy, single key locking action.
Stock# 1326132 BUYERS PRODUCTS rugged zinc plated trailer locking device. Fits all 2-1/2" - 3" I.D. Lunette Eyes and accepts most 1/2" diameter padlocks. Quick Assembly / Dis-assembly makes securing your trailer fast and easy.
Stock# 1583004 Glad-lock is a rugged polypropylene gladhand lock that helps prevent unwanted connections to tractors or trailers and can be used on many types of aluminum or iron gladhands. Includes two keys.