Can-Am Defender Rear Frame Gusset Kit
The Can-Am Defender Rear Frame Gusset Kit is a heavy-duty reinforcement upgrade designed to strengthen key weak points on your UTV’s rear frame. When you add portal lifts, suspension lifts, oversized tires, or heavy aftermarket accessories, extra stress can build up around the frame and A-arm mounting areas. This rear frame stiffener helps reduce frame flex, improve rigidity, and provide a stronger foundation for demanding off-road use.
Key Features
- Heavy-duty rear frame reinforcement: Adds strength to critical weak points on the Can-Am Defender rear frame.
- 3D notch-and-tab design: Improves stiffness and strength compared to conventional flat frame stiffeners.
- A-arm mounting support: Designed to reinforce rear A-arm mounting positions and help prevent tab stretching.
- Built for bigger upgrades: Ideal for Defenders running portal lifts, suspension lifts, oversized tires, and added aftermarket weight.
- Thick steel construction: Made from 3/16″ or 4.5mm heavy-duty steel plate for long-lasting durability.
- Complete bolt-on kit: Includes 10.9 grade hardware for secure installation without custom fabrication.
- Powder-coated finish: Provides a clean appearance and added protection against harsh riding conditions.
Technical Specifications
- Product Type: Rear frame gusset kit / rear frame stiffener
- Material: 3/16″ or 4.5mm heavy-duty steel plate
- Hardware: 10.9 grade mounting hardware included
- Finish: Powder coated
- Installation Type: Bolt-on
- Primary Function: Helps prevent rear frame flex at key mounting points
- Reinforcement Area: Rear frame and A-arm mounting positions
Compatibility / Applications
This Can-Am Defender Rear Frame Gusset Kit fits a wide range of 2016–2026 Can-Am Defender models, including HD5, HD7, HD8, HD9, HD10, MAX, PRO, 6×6, DPS, XT, Limited, Lone Star, X MR, and Cab configurations. It is a strong upgrade for work machines, mud builds, lifted setups, trail rigs, and Defenders equipped with larger tires or added accessories.
Why Choose This Can-Am Defender Rear Frame Gusset Kit?
Factory frames can experience additional stress when larger tires, portal lift kits, suspension lifts, and heavy accessories are added. This kit helps spread load across reinforced mounting points, improving rigidity and reducing the chance of frame flex or mounting tab distortion. For riders building a stronger, more reliable Can-Am Defender, this rear frame gusset kit is a smart preventative upgrade.
Important Note: This kit may not work with some aftermarket skid plates. Confirm compatibility with your skid plate manufacturer before installation.
Cross-reference part/SKU numbers: 73-16460, FS-C1D-R-01-B1






















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