Master Lock® Coupler Lock

Item # WX2-83745

  • Google+
  • Pinterest
  • Info

    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Buyer's Club $53.09 Non-Member $58.99
Canada/International Shopping Info

Add to Wish List

This item cannot ship via any of our Next Day or Second Day express delivery methods.

Details & Specs

Master Lock® Coupler Locks provide reliable theft protection for your unattended trailer.

Install one and rest easy... these babies make it almost impossible for anyone to drive off with your trailer while you're away. Fits on front of trailer coupler to prevent hitch ball access. Rugged, die-cast zinc body resists corrosion. 4-pin cylinder tumbler.

State Size, as available in the Shopping Cart. 

Size 33:

  • Fits: Acme, Big Boy, Fulton, Hammer Blow, Ideal and Lainson 1 7/8" couplers
Size 34:
  • Fits: Valley 1 7/8" couplers, Acme, Big Boy, Fulton, Dico, Ideal, Lainson and Valley 2" couplers
Size 35:
  • Fits: Marvel MC-683, MC-883, MC-939, MC-970, Lainson 2" and 2 5/16" couplers
Size 36:
  • Fits: Fulton 33-305, 34-300, 34-308, Valley 5125, 5135, 5136
Size 39:
  • Fits: Hammer Blow 1B, 2B, Lainson 76
Reviews
Q & A
<!--begin-bvseo-questions--> <!--begin-questions--> <div id="bvseo-questionsSection"> <div class="bvseo-question-answer" data-questionid="1345022"> <h2 class="bvseo-question"> Can I get the Master Lock No. 34 keyed alike </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: Reagan</div> <div class="bvseo-answer" data-answerid="1599945"> No. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2014-11-14</div> </div> </div> </div> <script type="text/javascript"> if (document.getElementById('bvseo-questionsSection')) { document.getElementById('bvseo-questionsSection').style.display = 'none'; } </script> <!--end-questions--><ul id="BVSEOCPS_GEN" style="display:none;"> <li id="bvDateModified">2015-01-26</li> <li id="pq">bvseo-cps-pq-8,30</li> <li id="tq">bvseo-cps-tq-1</li> <li id="sq">bvseo-cps-sq-recentAnswersFirst</li> <li id="pl">bvseo-cps-pl-CONV</li> <li id="cn">bvseo-cps-cn-sportmansguide</li> <li id="tl">bvseo-cps-tl-en_US</li> <li id="cp">bvseo-cps-cp-1</li> <li id="en">bvseo-cps-en-PRD</li> <li id="ex">bvseo-cps-ex-83745</li> <li id="bp">bvseo-cps-bp-question_prod</li></ul><!--end-bvseo-questions--><!--BVSEO|dz:Main_Site-en_US|sdk:v1.0.7.0-n|msg:timer 46ms -->
Articles & Tips

You May Also Like

Related Products

Trimax® Receiver / Coupler Lock Set, 7/8" Span

Item # WX2-174652

Buyer's Club $27.89 Non-Member $30.99 Compare at $35.95

In Stock

Add to Wishlist

Trimax® Receiver / Coupler Lock Sets. 

Trimax® provides maximum security for marine, trailer and tow, RV, performance truck, power sports and bicycle applications!

Each includes a 7-pin type A key that resists drill-outs, bending, and breaking. Steel construction, with a chrome finish. Fits class III, IV, and V receivers.

Order ONLINE Today!

Curt Trailer MFG. 2 5/16" Ball Adjustable, Sleeve-Lock Coupler

Item # WX2-207593

Buyer's Club $40.49 Non-Member $44.99

In Stock

Add to Wishlist

Curt Trailer MFG. Adjustable, Sleeve-Lock Couplers.

For secure connections while you travel, grab an Adjustable, Sleeve-Lock Coupler!

Features a lockable latch for peace of mind on the road. Durable zinc finish to keep it lookin' good for years! Comes with manufacturer's 3-year warranty.

  • Tongue Load (lbs.): 1,875
  • Gross Load (lbs.): 12,500
  • Description: 2-5/16" Adj. Sleeve-Lock Coupler
  • Dimensions, Weight: 5 x 6 x 11", 13 lbs.
Get yours ONLINE today!

Curt Trailer MFG. Surge Brake - Style 3 3/8" Coupler Lock

Item # WX2-207576

Buyer's Club $11.69 Non-Member $12.99 Compare at $13.99

In Stock

Add to Wishlist

Curt Trailer MFG. Surge Brake - Style 3 3/8" Coupler Lock.

Designed for your latch-type coupler, this Surge Brake-Style 3 3/8" Coupler Lock secures your coupler for on-road travel and stationary theft-proofing! Chrome finish. Comes with 2 keys. Measures 14 x 5 x 3".

Buy yours ONLINE today for safe trailering!


Curt Trailer MFG. Solid Brass Coupler Lock

Item # WX2-207578

Buyer's Club $12.59 Non-Member $13.99 Compare at $14.99

In Stock

Add to Wishlist

Curt Trailer MFG. Solid Brass Coupler Lock.

Designed for your latch-type coupler, this Solid Brass Coupler Lock secures your coupler for on-road travel and stationary theft-proofing! Brass finish. Comes with 2 keys. Measures 6 x 4 x 1".

Buy yours ONLINE today for safe trailering!

Join or Renew The Sportsman’s Guide Buyer’s Club® Today!

$29.99 per year   • Save up to 10% on purchases every day.
Join Renew More Info