GMC SIERRA 3500 HD Chassis Components Chassis & Suspension

Dorman Spare Tire Crossmembers

Dorman offers spare tire crossmembers for a variety of applications, including many Chevy and GMC vehicles from 2001 and up. These OE replacements can be swapped in for original parts that are damaged by corrosion or impact. Machined from steel for reliable, long-lasting service, the crossmembers match factory dimensions for an accurate and true frame repair. Each part has undergone vehicle try-on, material, and corrosion testing to ensure proper fit and performance.

Not Yet Reviewed

$230.99

Bilstein Shock Reservoir Mounting Brackets

These Bilstein shock reservoir mounting brackets are designed to mount the shock reservoir to the mounting body of the other shock. They are manufactured from aluminum and are black anodized for durability.

4.43 out of 5 stars ( 14 )

$42.00

Dorman Transmission Crossmembers

Dorman transmission crossmembers are high-quality replacements for your rusted or damaged original support crossmembers. These direct-fit replacements install in place of the original frame member to secure the transmission in its place to retain the existing frame, restoring performance to keep your vehicle on the road. Made from quality material, Dorman crossmembers are sized to specific applications to ensure proper fit and function. When it comes to servicing your vehicle, don't risk installing parts that may or may not work. Choose Dorman transmission crossmembers.

4.2 out of 5 stars ( 5 )

$171.99

Rust Buster Fuel Tank Crossmembers

Rust Buster fuel tank crossmembers are designed as a frame repair component, strategically sized to install in place of the factory fuel tank crossmember to provide essential reinforcement to your vehicle's frame. This repair section is designed to seamlessly integrate into your vehicle's frame, while enhancing its overall structural integrity. The fuel tank crossmembers are constructed from premium thick steel, providing exceptional strength and resilience. The bare finish not only showcases its robustness but also allows for customization to suit your aesthetic preferences. The installation process is straightforward with its cut-out and weld-in installation type. To safeguard against rust and corrosion during shipping, this replacement part comes with a rust-preventative oil coating. Order the fuel tank crossmember designed for your application.

Not Yet Reviewed

$299.99

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$599.99

ACDelco GM Genuine Parts Differential Bushings

ACDelco GM Genuine Parts differential bushings replace the weak, broken bushings that isolate the differential housing from its mounting point. If your car has high mileage, it likely has worn-out differential bushings. GM Genuine Parts rubber/steel bushings eliminate the fatigue and stress that can cause cracking of the differential housing. Order the OE replacement recommended for your General Motors application.

5.0 out of 5 stars ( 1 )

$32.99

Rust Buster Center Frame Crossmembers

Your vehicle's center frame crossmember can deteriorate over time from continuous exposure to moisture, road salt, and other debris. When it breaks, the frame can become overstressed, as well as components attached to the frame. Luckily, with a combined 45 years of experience, the Rust Buster engineering staff have a solution. By utilizing the latest in scanner solutions and CAD software, Rust Buster center frame crossmembers are designed and built exactly to OEM specifications, capturing all the correct contours and guaranteeing a perfect fit and an easier installation on your vehicle. Put an end to your rust issues with Rust Buster. Select the crossmember designed for your vehicle. Features: * Made from heavy-duty 11-gauge steel * OE holes for an exact fit * Class 10.9 hardware (where applicable) * Protective oil coating prevents oxidation during shipping * Back by a Lifetime Warranty

5.0 out of 5 stars ( 1 )

$149.99

Rust Buster Cab Mounts

Rust Buster offers cab mounts for a variety of applications, including many Chevy, GMC, and Dodge trucks from 1975 and up. Original cab mounts can deteriorate and corrode from the numerous elements they encounter out on the road. When this happens, it can cause several issues, ranging from suspension to ride quality that compromises your comfort in the cab. Rust Buster engineers have taken the guesswork out of your repair, designing replacement mounts that are guaranteed to be a perfect fit right out of the box. By utilizing the latest in scanner solutions and CAD software, the Rust Busters team is able to capture your specific model truck's frame contours down to the smallest detail. They take a modern approach and tailor each frame section to fit your vehicle and application with the unique vision that makes fitment, installation ease and OE compatibility top priorities. Additional notes: * Installs in place of OEM cab mount * Made from heavy-duty 11-gauge steel * Includes Class 10.9 hardware for new cab mount installation * Ships with protective oil coating to prevent oxidation during shipping

5.0 out of 5 stars ( 1 )

$179.99

Rust Buster Frame Repair Sections

Rust Buster frame repair sections help you replace those rusted or damaged frame rail areas on your truck or SUV. The EZ slip design allows the repair section to slide onto the frame and will include all the factory needed holes and mounting locations. Rust Buster uses the latest in CAD to model each repair section before it is laser-cut, formed and finish welded. Keep your ride on the road for years to come with Rust Buster frame repair sections.

4.56 out of 5 stars ( 39 )

$379.99

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$499.99

Rust Buster Spare Tire Crossmembers

Rust Buster comes in with a solution better than the Factory OEM crossmember. The spare tire crossmember is a crucial component designed to enhance the structural integrity of your vehicle's rear frame, ensuring that your spare tire is securely held in place. This repair piece serve as a faithful OE replacement, preserving the authenticity of your vehicle's design while elevating its overall structural integrity. Designed as a bolt-on part, installation is straightforward and hassle-free. Each crossmember is meticulously engineered and features mounting location holes that are slotted for optimal fitment for the perfect blend of strength and durability. For added protection against rust and corrosion, this support piece comes with a rust-preventative oil coating, ensuring your investment stands the test of time. Drive with confidence, knowing your spare tire is securely supported with the quality and precision of a spare tire crossmember by Rust Buster. Order the model for your make/model.

Not Yet Reviewed

$249.99

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$339.99