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Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 with Shock Bracket, Inner, and Outer Supports
Flat view of Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 support
Side view of Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 support
Reverse angle of Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 support
Shock Bracket for Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320
Support for Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320
Side view of Shock Bracket for Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320
Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 installed to the frame, as seen from the rear of the vehicle
Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 installed to the frame, as seen from the rear right side of the vehicle
Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 installed to the frame, as seen from the rear left side of the vehicle
Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 installed to the frame, as seen from the rear of the vehicle
Wide angle of Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 installed to the frame, as seen from the rear of the vehicle
Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320 installed to the frame, coated in RB9917 Paint
Diagram highlighting Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320

Rust Buster Rear Shock Crossmember For 1999-2006 GM Pickups RB7320

RB7320
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  • Fits 1999-2006 Chevrolet Silverado 1500/2500 Non HD
  • Fits 1999-2006 GMC Sierra 1500/2500 Non HD
  • Will not fit 2500HD Models
  • Will fit Extended Cab and Standard Cab with a 6.5 Foot Bed
  • Measures 43.50" in Length
  • Stronger then OE
  • Made from Heavy-Duty 11 Gauge Steel
  • Includes Driver Side Shock Mount
  • Ships with an Oil protective coating to prevent Oxidation during transit
  • Welding required
  • Protect with Rust Buster Rust Converter Paint RB9917
  • Backed by our Lifetime Warranty 

If you’re the proud owner of a 1999-2006 Chevy Silverado/GMC Sierra, you see the clear connection between the driving experience and words like bigger, faster, stronger, and smarter. The bed capacity and that powerful V8 engine are qualities that we have all come to love, and paired with the spacious interior ensures no doubt make this a truck worth saving. Unfortunately, although the motor will most likely allow this, road salt and moisture can leave their marks over time and contribute to corrosion throughout the truck. That’s where Rust Buster Frameworks draws the line, right between your GMT800 and mother nature. We’re dedicated to protecting and extending the life of your 1500 through our high-quality products, safeguarding your investment for the foreseeable future. Trust us to shield against rust and to keep you on the road, not trapped on the rack in the shop.

By utilizing the latest in Scanner Solutions and CAD Software Rust Busters crack engineering team is able to capture your specific model truck's frame contours down to the smallest detail. We take a Modern Approach and tailors each frame section to fit your vehicle and application with the unique vision that puts Fitment, Installation Ease and OE compatibility to the top of our priority list. We strive to set ourselves apart from the competition by being better in every area the current market has to offer, with a combined 45 of experience under Rust Busters Engineering staff we are here to put an end to all your rust issues.  Because of this, we back all of our frame pieces with a Lifetime Warranty.

INSTALLATION INSTRUCTIONS

 Downloadable PDF - RB7320 Installation Instructions.pdf

Inventory Last Updated: May 12, 2025
California Residents: Prop 65 Warning

Customer Reviews

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M
Mark Bowser
Rear Crossmember

Very good heavy duty product. I bought the same product elsewhere but returned it because the Rust Buster part is much more heavy duty. Simple installation, I taught myself to use the mig when installing the cross member and it turned out great.