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Trailer Couplings & Locks

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Showing 1 - 34 of 1,037 Results

Cruisemaster

Cruisemaster DO35 Coupling Lock

$108.99 ^{^}

(32)

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SCA

SCA Trailer Coupling Lock

$29.99 ^{^}

(266)

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SCA

SCA Wheel Clamp

$60.99 ^{^}

(111)

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SCA

SCA Hitch Pin 5/8" Carbon Steel

$19.99 ^{^}

(51)

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SCA

SCA Trailer Coupling Lock

$39.99 ^{^}

(161)

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Trojan

Trojan Galvanized Trailer Coupling, 2 Hole - 2000kg

$62.99 ^{^}

(40)

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SCA

SCA Tow Hitch Clamp 50mm

$20.49 ^{^}

(65)

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SCA

SCA Hitch Pin 5/8" Straight Type

$39.99 ^{^}

(82)

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Trojan

Trojan Override Braking Coupling - 2000kg

$114.99 ^{^}

(11)

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SCA

SCA Lockable Angled Hitch Pin 5/8" Carbon Steel

$39.99 ^{^}

(43)

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Hayman Reese

Hayman Reese Hitch Pin - Pull Pin with Clip

$24.99 ^{^}

(27)

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Hayman Reese

Hayman Reese Hitch Pin, Lockable, Straight

$52.99 ^{^}

(35)

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Trojan

Trailer Wheel Clamp Defender Suits 195-235mm Tyres

$112.99 ^{^}

(37)

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AL-KO

AL-KO Lockable Coupling Fixed Lever 3500kg

$189.99 ^{^}

(8)

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8th November 2026
SCA

SCA Anti-Theft Wheel Lock

$69.99 ^{^}

(67)

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Hayman Reese

Hayman Reese Hitch Pin, Lockable, Extra Long

$57.99 ^{^}

(30)

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SCA

SCA Wheel Clamp, Heavy Duty, 4WD

$52.99 ^{^}

(43)

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Trojan

Trailer Wheel Clamp Defender Suits 165-195mm Tyres

$102.99 ^{^}

(37)

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Hayman Reese

Hayman Reese Hitch Pin, Lockable, Angled

$63.99 ^{^}

(21)

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AL-KO

AL-KO Lockable Coupling Override 2000kg

$229.99 ^{^}

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AL-KO

AL-KO Lockable Coupling Fixed 2/3 Hole 2000kg

$109.99 ^{^}

(2)

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Cruisemaster

Cruisemaster DO45 Coupling Lock

$124.99 ^{^}

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Sunrise

SUNRISE Off-Road Poly Block Override Coupling 2000kg Rated Trailer Tow Hitch Zinc - ORCORPZ

$179.99 ^{^}

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Sunrise

SUNRISE U-Bolts with Nyloc Nut 1/2" Galvanised 50mm Square, 145mm - UB50S145G

$11.99 ^{^}

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Sunrise

SUNRISE Hammerlock Sling Hook G80 10mm 3.15T - HSH10

$49.99 ^{^}

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Sunrise

SUNRISE U-Bolts with Nyloc Nut 1/2" Zinc 40mm Square, 125mm - UB40S125Z

$9.99 ^{^}

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Sunrise

SUNRISE Oil Seal to suit 2T Bearing 25580 - OS12D

$15.99 ^{^}

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Sunrise

SUNRISE Trailer 14" Wheel Ford, 195R14LT White - WRTF14P195

$164.99 ^{^}

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Sunrise

SUNRISE 2/3 Hole Quick Release 50mm Towball Coupling - TBC3Z

$48.99 ^{^}

(1)

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Sunrise

SUNRISE Spare Wheel Bracket Small Galvanised - SWBG

$49.99 ^{^}

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Sunrise

SUNRISE 8mm G80 Vehicle Chain Safety Hook Hammerlock and Eye Sling Hook Set - LCHS8G80

$79.99 ^{^}

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Sunrise

SUNRISE 2T Trailer Bearing Set Cup & Cone No 15245/15123 & 25520/25580 - BS2T

$48.99 ^{^}

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Sunrise

SUNRISE Leaf Eye & Slipper Suspension Spring 45 x 6 mm 7 Leaf (1150kg Pair) - S7P

$59.99 ^{^}

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Sunrise

SUNRISE Trailer 14" Wheel Ford, 185R14LT Black - WRTF14PB185

$149.99 ^{^}

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Showing 1 - 34 of 1,037 Results

Discover Our SUPER Range of Trailer Couplings & Locks

Trailer couplings are an important part of your towing setup, connecting your vehicle to your trailer or caravan. Choosing a coupling that matches your trailer type, tow ball size, and mounting setup helps ensure the components fit together correctly and are ready for use. Taking note of your existing coupling style can also make replacement or upgrades more straightforward.

Understanding trailer coupling fitment

Trailer couplings are used to connect your trailer to a tow ball, allowing controlled movement between the vehicle and trailer while driving. It’s important to select a coupling that matches your trailer’s mounting pattern and connection type, with common options including 2-hole, 3-hole, and 4-hole mounting styles. Checking measurements such as bolt spacing and tow ball size before purchasing can help ensure compatibility and make installation more straightforward. This can be especially useful when replacing an existing coupling or setting up a new trailer.

A range of options to suit different trailer setups

Our range of trailer couplings includes options suitable for a variety of trailer types and applications. Having different mounting styles and configurations available makes it easier to select a coupling that aligns with your setup, whether you're using a small utility trailer or a larger caravan. Considering how your trailer is used and how it connects to your tow vehicle can help narrow down the most suitable option.

Choosing the right trailer lock

Trailer locks are used to help restrict access to the coupling when your trailer is unattended, with options designed to fit inside or over the coupling depending on the product style. Some locks feature a key-lockable design with included keys and protective covers, while others use mechanisms that sit over or within the coupling to block connection to a tow ball. Certain designs use a bar or insert that fits into the coupling and prevents it from being attached to a vehicle. Checking compatibility with your coupling type before purchase can help ensure the lock fits correctly and works as intended.

Shop trailer couplings and locks at Supercheap Auto

Explore our range of trailer couplings and trailer locks online or visit your local Supercheap Auto store to find a product that suits your trailer setup. With options available to suit a range of trailer types and mounting configurations, it’s easier to find a product that matches your requirements. If you're unsure which option is compatible, our team can help you choose a suitable fit, and bringing details like your coupling type or measurements can help make the process quicker and more accurate.

Frequently Asked Questions - Trailer Couplings & Locks

Can trailer coupling locks be used with all types of trailers?

Trailer coupling locks are available in different sizes and configurations to suit various coupling types. It’s important to check that the lock is compatible with your specific coupling to ensure it fits correctly and can be used as intended.

How can I maintain my trailer coupling?

Maintaining a trailer coupling involves checking for signs of wear, damage, or loose components, and keeping the coupling clean and free from debris. Following manufacturer guidance for maintenance can help ensure it continues to function as intended, and if you're unsure, our team can assist with general product advice.

Shop Trailer Couplings & Locks

Trailer Couplings & Locks

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Cruisemaster

SCA

SCA

SCA

SCA

Trojan

SCA

SCA

Trojan

SCA

Hayman Reese

Hayman Reese

Trojan

AL-KO

SCA

Hayman Reese

SCA

Trojan

Hayman Reese

AL-KO

AL-KO

Cruisemaster

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Sunrise

Filter by Available In Store

Filter by Special Order

Discover Our SUPER Range of Trailer Couplings & Locks

Understanding trailer coupling fitment

A range of options to suit different trailer setups

Choosing the right trailer lock

Frequently Asked Questions - Trailer Couplings & Locks

Can trailer coupling locks be used with all types of trailers?

How can I maintain my trailer coupling?