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Moog T40043 Adjustable Torsion Bar Key - Front
Overview of Moog Adjustable Torsion Bar Key T40043
The Moog Adjustable Torsion Bar Key T40043 is designed to provide precise suspension adjustments for heavy-duty Chevrolet and GMC trucks. Engineered with premium-grade materials, this torsion bar key ensures reliable performance and durability for models like the Silverado 2500 HD and Sierra 3500 HD.
- Premium grade construction for enhanced strength and longevity
- Adjustable design allows for fine-tuning suspension height and ride quality
- Compatible with Chevrolet and GMC heavy-duty trucks including Silverado, Sierra, Suburban, and Yukon XL 2500 series
- Part number T40043 ensures exact fitment and replacement
- Corrosion-resistant finish for extended service life
Detailed Product Description
The Moog T40043 adjustable torsion bar key is a critical component in the suspension system of select Chevrolet and GMC heavy-duty trucks. Crafted from premium-grade materials, this torsion bar key is built to withstand the demanding conditions faced by vehicles such as the Sierra 2500 HD, Silverado 3500 HD, and Suburban 3500 HD. Its adjustable feature allows technicians and vehicle owners to modify the torsion bar preload, enabling precise control over ride height and suspension stiffness. This adjustability is particularly useful for trucks that carry varying loads or require specific suspension tuning for towing or off-road use. The part number T40043 corresponds directly to the OEM specifications, ensuring a seamless replacement process without compromising vehicle safety or performance.
Common Applications and Problem Solving
- Corrects sagging or uneven suspension height in Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD
- Improves load handling and stability for Suburban 2500 and Yukon XL 2500 models
- Addresses suspension stiffness issues caused by worn or damaged torsion bar keys
- Facilitates suspension lift adjustments for aftermarket modifications
- Helps restore proper alignment and ride quality after suspension repairs
Installation Notes and Tips
- Ensure vehicle is securely lifted and supported before beginning installation
- Use proper torsion bar unloading tools to safely remove and install the torsion bar key
- Adjust the torsion bar key incrementally to achieve desired ride height and suspension feel
- Verify alignment and suspension geometry after installation
- Consult vehicle service manual for torque specifications and safety precautions
Quality Assurance and Warranty
Moog manufactures the T40043 adjustable torsion bar key to meet or exceed OEM standards, using premium-grade materials for durability and performance. This part undergoes rigorous quality control to ensure consistent fit and function. While specific warranty details may vary, Moog typically offers a limited warranty against defects in materials and workmanship, providing confidence in the product’s reliability for Chevrolet and GMC heavy-duty truck owners.
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Chevrolet | Silverado 2500 HD | Front | |
| 2019 | Chevrolet | Silverado 3500 HD | Front | |
| 2019 | Chevrolet | Suburban 3500 HD | Front | |
| 2019 | GMC | Sierra 2500 HD | Front | |
| 2019 | GMC | Sierra 3500 HD | Front | |
| 2018 | Chevrolet | Silverado 2500 HD | Front | |
| 2018 | Chevrolet | Silverado 3500 HD | Front | |
| 2018 | Chevrolet | Suburban 3500 HD | Front | |
| 2018 | GMC | Sierra 2500 HD | Front | |
| 2018 | GMC | Sierra 3500 HD | Front | |
| 2017 | Chevrolet | Silverado 2500 HD | Front | |
| 2017 | Chevrolet | Silverado 3500 HD | Front | |
| 2017 | Chevrolet | Suburban 3500 HD | Front | |
| 2017 | GMC | Sierra 2500 HD | Front | |
| 2017 | GMC | Sierra 3500 HD | Front | |
| 2016 | Chevrolet | Silverado 2500 HD | Front | |
| 2016 | Chevrolet | Silverado 3500 HD | Front | |
| 2016 | Chevrolet | Suburban 3500 HD | Front | |
| 2016 | GMC | Sierra 2500 HD | Front | |
| 2016 | GMC | Sierra 3500 HD | Front | |
| 2015 | Chevrolet | Silverado 2500 HD | Front | |
| 2015 | Chevrolet | Silverado 3500 HD | Front | |
| 2015 | GMC | Sierra 2500 HD | Front | |
| 2015 | GMC | Sierra 3500 HD | Front | |
| 2014 | Chevrolet | Silverado 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2014 | Chevrolet | Silverado 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2014 | GMC | Sierra 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2014 | GMC | Sierra 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2013 | Chevrolet | Silverado 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2013 | Chevrolet | Silverado 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2013 | Chevrolet | Suburban 2500 | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2013 | GMC | Sierra 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2013 | GMC | Sierra 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2013 | GMC | Yukon XL 2500 | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2012 | Chevrolet | Silverado 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2012 | Chevrolet | Silverado 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2012 | Chevrolet | Suburban 2500 | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2012 | GMC | Sierra 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2012 | GMC | Sierra 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2012 | GMC | Yukon XL 2500 | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2011 | Chevrolet | Silverado 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2011 | Chevrolet | Silverado 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2011 | Chevrolet | Suburban 2500 | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2011 | GMC | Sierra 2500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2011 | GMC | Sierra 3500 HD | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
| 2011 | GMC | Yukon XL 2500 | Front | Allows Front Ride Height Changes Up To 2.25 (in) Above OEM |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.