License Plate Brackets & Accessories

Why Trailer License Plate Brackets Matter

When you're towing a boat to the lake or hauling an RV across the country, your trailer is required by law to display a properly mounted, illuminated license plate — just like any other registered vehicle on the road. A trailer license plate bracket is the hardware that makes this possible, securely holding the plate in place through miles of highway vibration, rough boat ramps, and exposure to rain, road salt, and saltwater spray. Choosing the right bracket isn't just about compliance; it's about making sure your plate stays put and stays visible, trip after trip.

What to Look for When Shopping License Plate Brackets

The trailering and marine environment is uniquely tough on hardware. Brackets are constantly exposed to moisture, UV rays, and the kind of vibration that loosens cheap fasteners in no time. Here are the key factors to keep in mind:

• Material: Aluminum and heavy-duty ABS plastic are the top choices for corrosion resistance, especially if you launch in saltwater. Plated steel offers solid strength for freshwater and dry-land use.
• Mounting style: Most trailer brackets mount between the tail light and its existing bracket, using the lamp's own studs — no extra hardware needed. Universal-mount styles offer more flexibility for custom setups.
• Illumination compatibility: Many brackets are designed to pair with a specific tail light or DOT lamp. Always confirm compatibility with your existing lighting before purchasing.
• Size: Standard U.S. license plates measure 6" x 12", but some states issue smaller tags (like motorcycle plates for trailers). Make sure your bracket accommodates your plate size.

Top Brands in Trailer License Plate Brackets

Anderson Manufacturing is a well-regarded name in the trailer accessories space, offering universal license brackets in both plated steel and LED-lit configurations that suit a wide range of trailer types — from utility trailers to RV rigs. Their universal fit design is a practical choice for trailer owners who need a simple, no-fuss solution.

C.E. Smith has built its reputation on precision-crafted boat trailer components, and their license plate brackets are no exception. Their aluminum tread plate bracket mounts between the existing tail light and its bracket using the lamp's two mounting studs — no additional hardware required — and the corrosion-resistant construction makes it particularly well-suited for saltwater environments.

Seachoice brings an accessible, practical option to the category with their heavy-duty ABS plastic license plate bracket. Designed to mount behind the trailer light using existing hardware and sized to fit most standard plates, it's a straightforward solution for boat trailer owners who need a reliable everyday mount.

Peterson Fluid is a trusted supplier of trailer lighting and accessory components, and their presence in this category reflects their broader expertise in keeping trailers road-legal and properly equipped with DOT-compliant hardware.

Wesbar is a long-standing name in trailer lighting and electrical components, and their license plate bracket offerings pair naturally with their lighting systems — making them a smart choice when you're upgrading or replacing a full tail light and bracket assembly at once.

Staying Road-Legal on Every Tow

Whether you're backing down a saltwater boat ramp every weekend or towing a travel trailer across multiple state lines, a properly mounted license plate isn't optional — it's the law. A quality bracket keeps your plate secure, visible, and illuminated, so the only thing you need to focus on is the road ahead. Browse the full selection above to find the right fit for your trailer setup.