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    Trailer Locks & Pins

    Locks, lock assemblies and cable locks for trailers. Secure your trailer with a durable, high quality lock to prevent tow-away theft and improve safety. Browse our selection of high quality American made trailer locks of various styles and designs to meet every need.

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    Trailer Stainless Steel 5/8" Key Receiver Lock, 2.75" Span, Trimax SXT3

    Trailer Stainless Steel 5/8" Key Receiver Lock, 2.75" Span, Trimax SXT3

    Trimax Stainless Steel 5/8" Class IV Key Receiver Lock. Wide 2-3/4" span. Hardened steel 5/8" shaft. Fits all class III and IV receiver hitches. Stainless steel. Easy 1/4 turn locks and unlocks head. O-ring seal & water tight cap helps seal out dirt & corrosion. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
    $34.99 $28.99
    Trailer Stainless Steel 5/8" Key Receiver Lock, 3.5" Span, Trimax SXT5

    Trailer Stainless Steel 5/8" Key Receiver Lock, 3.5" Span, Trimax SXT5

    Trimax Stainless Steel 5/8" Class V Key Receiver Lock. Wide 3-1/2" span. Hardened steel 5/8" shaft. Fits all class III, IV and V receiver hitches. Stainless steel. Easy 1/4 turn locks and unlocks head. Test specifications exceed 40,000 lbs. O-ring seal & water tight cap helps seal out dirt & corrosion. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
    $37.99 $30.99
    Trailer Stainless Steel Anti-Rattle Key Receiver Lock, Trimax TAR300

    Trailer Stainless Steel Anti-Rattle Key Receiver Lock, Trimax TAR300

    Trimax Stainless Steel Anti-Rattle Key Receiver Lock. Prevents rattle, wobble and noise. Hollow core locking anti-rattle pin. Includes lock nut carriage and installation wrench. Easily adjust and lock receiver pin for tight, quiet fit. Includes 5/8" receiver sleeve. 2 inch span with a hardened steel 5/8" shaft. Fits all 2" class III, IV and V receiver hitches. Stainless steel. Easy 1/4 turn locks and unlocks head. O-Ring seal & water tight cap helps seal out dirt and corrosion. Attractive sleek design. Rugged tubular key won't bend or break. Includes 2 keys. Patented design.
    $36.99 $30.49
    Trailer Stainless Steel Coupler Lock 7/8" 2-1/2" 3-1/2" Spans, Trimax SXTC123

    Trailer Stainless Steel Coupler Lock 7/8" 2-1/2" 3-1/2" Spans, Trimax SXTC123

    Trimax Adjustable Coupler Lock. Adjusts to 7/8", 2-1/2" to 3-1/2" Spans. Stainless Steel. 1/4 turn Locks and Unlocks head. Lock head can't be force locked or "Pop" open. Includes 2 Trimax keys.
    $29.99 $24.99
    Trailer Stainless Steel Coupler Lock up to 2-1/2" Span, Trimax SXTC2

    Trailer Stainless Steel Coupler Lock up to 2-1/2" Span, Trimax SXTC2

    Trimax Coupler Lock. Fits all Standard 2" to 2-1/2" Span Wide Lever Couplers & Horse Trailers. Stainless Steel. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
    $30.99 $25.99
    Trailer Stainless Steel Coupler Lock up to 3-1/2" Span, Trimax SXTC3

    Trailer Stainless Steel Coupler Lock up to 3-1/2" Span, Trimax SXTC3

    Trimax Deluxe Steel Coupler Lock. Fits All Surge Brake Couplers with up to 3-1/2" Span. Stainless Steel. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
    $30.99 $25.99
    Trailer Stainless Steel Coupler Lock, 7/8" Span, Trimax SXTC1

    Trailer Stainless Steel Coupler Lock, 7/8" Span, Trimax SXTC1

    Trimax Coupler Lock. Fits all Standard 1/2" to 7/8" Span Narrow Lever Couplers. Stainless Steel. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
    $29.99 $24.99
    Trailer Steel Coupler Lock for 2" to 2.5" Span Couplers, Trimax TC2

    Trailer Steel Coupler Lock for 2" to 2.5" Span Couplers, Trimax TC2

    Trimax Deluxe Steel Coupler Lock. Fits all Standard 2" to 2-1/2" Span Wide Lever Couplers & Horse Trailers. Triple plated chrome finish. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
    $18.99 $15.49
    Trailer Steel Coupler Lock for up to 3.5" Span Couplers, Trimax TC3

    Trailer Steel Coupler Lock for up to 3.5" Span Couplers, Trimax TC3

    Trimax Deluxe Steel Coupler Lock. Fits All Surge Brake Couplers with up to 3-1/2" Span. Triple plated chrome finish. Easy 1/4 turn Locks and Unlocks head. Hardened steel 7 mm Shaft. Rugged Lock can't "Pop" Open or be False Locked. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion. Attractive Sleek Design. Rugged Tubular Key won't Bend or Break. Patented Design.
    $18.99 $15.99
    Trailer Ultra Tough 5th Wheel Lock, Yellow, Trimax TFW55

    Trailer Ultra Tough 5th Wheel Lock, Yellow, Trimax TFW55

    Tough, built to last 5th Wheel Lock. Constructed of heavy gauge steel, Installs in seconds, rugged weather proof epoxy powder coat finish. Includes 3 keys, one with a mini flashlight. Use on 5th wheel kingpin.
    $54.99 $45.49
    Trailer Universal Die-Cast Dual Purpose Coupler Lock, Trimax UMAX50

    Trailer Universal Die-Cast Dual Purpose Coupler Lock, Trimax UMAX50

    Universal die cast dual purpose coupler lock. Fits all coupler types. Fits all sizes, from 1-7/8" to 2-516". Exclusive design provides 360 degrees of protection. Rust proof hammer tome epoxy finish. Dual ratchet lock system. Key hole cover seals out dirt and grime. Includes two cylindrical keys. Full lifetime guarantee.
    $54.99 $45.49
    Trailer Universal Hardened Steel Dual Purpose Coupler Lock, Trimax UMAX100

    Trailer Universal Hardened Steel Dual Purpose Coupler Lock, Trimax UMAX100

    The Trimax universal trailer coupler lock features exclusive 360 degree hardened steel protection. Huge 6-tooth 3/8" locking lug system. 5/8" -16 hardened steel shackle and body. Fits all coupler types. Fits all sizes, from 1-7/8" to 2-516". Exclusive design provides 360 degrees of protection. Dual ratchet lock system. Key hole cover seals out dirt and grime. Includes two cylindrical keys. Full lifetime guarantee.
    $87.99 $77.99
    Trailer Universal Receiver & Coupler Lock Keyed Alike Set, Trimax TM3123

    Trailer Universal Receiver & Coupler Lock Keyed Alike Set, Trimax TM3123

    Keyed alike receiver and coupler lock set includes: one TS32 receiver lock, one stainless steel sleeve for TS32 lock, one TC123 coupler lock and four matching keys. Fits 1/2" and 5/8" receivers and couplers from 7/8" to 3-1/2". Easy 1/4 turn Locks and Unlocks head. O-Ring Seal & Water Tight Cap Helps Seal Out Dirt & Corrosion.
    $39.99 $36.99
    Trailer Universal Receiver Lock & Stainless Steel Sleeve, Trimax TS32

    Trailer Universal Receiver Lock & Stainless Steel Sleeve, Trimax TS32

    Universal pin converts from 1/2" to 5/8" pin with stainless steel sleeve. Fits all 2" span receiver hitches. 5/8" pin fits all class III, IV and V receiver hitches, 1/2" pin fits class II receiver hitches. 100% solid stainless steel pin and sleeve. Triple plated chrome finish. Easy 1/4 turn locks and unlocks head. O-ring seal & water tight cap helps seal out dirt & corrosion. 5/8" pin tested to: 33,000 lbs, 1/2" pin tested to: 22,000 lbs. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
    $26.99 $22.49
    Trailer Universal Stainless Steel Receiver Lock & Sleeve, Trimax SXTS32

    Trailer Universal Stainless Steel Receiver Lock & Sleeve, Trimax SXTS32

    Universal pin converts from 1/2" to 5/8" pin with stainless steel sleeve. Fits all 2” span receiver hitches. 5/8" pin fits all class III, IV and V receiver hitches, 1/2" pin fits class II receiver hitches. Premium 100% stainless steel. Easy 1/4 turn locks and unlocks head. O-Ring seal & water tight cap helps seal out dirt & corrosion. 5/8" pin tested to: 42,000 lbs, 1/2" pin tested to: 28,000 lbs. Attractive sleek design. Rugged tubular key won't bend or break. Patented design.
    $36.99 $30.49
    Trailer Wire Lock Pin 1/4" x 2" Round, Pivot Point WIRE-1RD

    Trailer Wire Lock Pin 1/4" x 2" Round, Pivot Point WIRE-1RD

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 1.75", Pin diameter: 0.243" to 0.248"", Overall pin length: 2", Loop clearance: 1.625".
    $2.99 $2.49
    Trailer Wire Lock Pin 1/4" x 2" Square, Buyers 66050

    Trailer Wire Lock Pin 1/4" x 2" Square, Buyers 66050

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 1.8", Pin diameter: 0.25", Overall pin length: 2", Loop clearance: 1.5".
    $1.99 $1.49
    Trailer Wire Lock Pin 1/4" x 2-3/4" Square, Buyers 66063

    Trailer Wire Lock Pin 1/4" x 2-3/4" Square, Buyers 66063

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.5", Pin diameter: 0.25", Overall pin length: 2.77", Loop clearance: 2.5".
    $1.99 $0.99
    Trailer Wire Lock Pin 1/4" x 3-1/4" Square, Buyers 66066

    Trailer Wire Lock Pin 1/4" x 3-1/4" Square, Buyers 66066

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 3", Pin diameter: 0.25", Overall pin length: 3.25", Loop clearance: 1.5".
    $1.99 $0.99
    Trailer Wire Lock Pin 1/4" x 3-3/4" Square, Buyers 66070

    Trailer Wire Lock Pin 1/4" x 3-3/4" Square, Buyers 66070

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 3.625", Pin diameter: 0.25", Overall pin length: 3.75", Loop clearance: 1.5".
    $1.99 $0.99
    Trailer Wire Lock Pin 3/8" x 1-5/8" Square, Buyers 66056

    Trailer Wire Lock Pin 3/8" x 1-5/8" Square, Buyers 66056

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 1.531", Pin diameter: 0.375", Overall pin length: 1.63", Loop clearance: 1.531".
    $1.99 $1.49
    Trailer Wire Lock Pin 3/8" x 2-1/2" Square, Buyers 66060

    Trailer Wire Lock Pin 3/8" x 2-1/2" Square, Buyers 66060

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.344", Pin diameter: 0.375", Overall pin length: 2.5", Loop clearance: 2.344".
    $1.99 $1.49
    Trailer Wire Lock Pin 3/8" x 2-1/2" Square, Pivot Point WIRE-7SQ

    Trailer Wire Lock Pin 3/8" x 2-1/2" Square, Pivot Point WIRE-7SQ

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.25", Pin diameter: 0.368" to 0.373"", Overall pin length: 2.5", Loop clearance: 1.5".
    $3.99 $2.49
    Trailer Wire Lock Pin 5/16" x 2-3/4" Round, Pivot Point WIRE-3RD

    Trailer Wire Lock Pin 5/16" x 2-3/4" Round, Pivot Point WIRE-3RD

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.5", Pin diameter: 0.306" to 0.311"", Overall pin length: 2.75", Loop clearance: 2".
    $4.49 $2.99
    Trailer Wire Lock Pin 5/16" x 2-3/4" Square, Buyers 66053

    Trailer Wire Lock Pin 5/16" x 2-3/4" Square, Buyers 66053

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.594", Pin diameter: 0.313", Overall pin length: 2.78", Loop clearance: 2.594".
    $1.99 $0.99
    Trailer Wire Lock Pin 5/16" x 2-3/4" Square, Pivot Point WIRE-3SQ

    Trailer Wire Lock Pin 5/16" x 2-3/4" Square, Pivot Point WIRE-3SQ

    This wire lock pin is used as a convenient way to fasten accessories on truck equipment. Pull the wire loop over the pin to lock it in place. It quickly releases for easy removal. These Yellow zinc-plated for corrosion resistance. Usable pin length: 2.5", Pin diameter: 0.306" to 0.311"", Overall pin length: 2.75", Loop clearance: 1.75".
    $2.99 $2.49
    Trimaflex Coiled & Keyed Braided Cable Lock 6' x 12mm, Trimax TKC126

    Trimaflex Coiled & Keyed Braided Cable Lock 6' x 12mm, Trimax TKC126

    Exclusive TrimaFlex quadra braid with ballistic grade polymer lock housing for durability. 6 ft. Length, 12mm diameter. Vinyl coated cable protects painted surfaces. Soft, self-coiling cable. Integrated keyed cable locks with quick release bracket. Sliding key cover helps keep out dirt and grime. 3 keys included.
    $21.99 $19.99
    Trimaflex Dual Force U-Shackle Cable Lock 6' x 15mm, Trimax TCU1572

    Trimaflex Dual Force U-Shackle Cable Lock 6' x 15mm, Trimax TCU1572

    Multi-use combined cable and u-lock system. The security of a mini u-lock combined with the versatility of a cable Max dual force lock system features exclusive Trimaflex quadra-braid cable for maximum theft prevention. Length: 72 inches (6 feet), 15mm diameter cable. Includes 3 keys. Lifetime Warranty.
    $25.99 $23.49
    Trimaflex Dual Looped Multi-Use Cable 12' x 12mm, Trimax TDL1212

    Trimaflex Dual Looped Multi-Use Cable 12' x 12mm, Trimax TDL1212

    The Trimax exclusive Quadra-Braid flexible steel cable offers maximum security for all applications. 12 ft. Length, 12mm diameter. Multi-purpose, commercial grade. Vinyl coated cable protects painted surfaces. Lifetime warranty. Use with Trimax MAX40YL U-Locks for superior security.
    $19.99 $17.49
    Trimaflex Dual Looped Multi-Use Cable 15' x 10mm, Trimax TDL1510

    Trimaflex Dual Looped Multi-Use Cable 15' x 10mm, Trimax TDL1510

    The Trimax exclusive Quadra-Braid flexible steel cable offers maximum security for all applications. 15 ft. Length, 10mm diameter. Multi-purpose, commercial grade. Vinyl coated cable protects painted surfaces. Lifetime warranty. Use with Trimax MAX40YL U-Locks for superior security.
    $18.99 $16.99
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