ATI Damper 7.525in Aluminum 4 & 3 Groove (20142020 GM 5.3L Truck / SUV Engines) ATI918645
Super Damper for 20142020 GM 5.3L Truck & SUV Engines
The ATI 7.525-inch Aluminum Super Damper (part ATI918645) is engineered for 20142020 GM 5.3L V8 Truck and SUV engines, offering race-proven harmonic stability and long-lasting reliability. With its dual 4 & 3-groove pulley configuration, this damper maintains full accessory compatibility while reducing crankshaft vibration for smoother operation and better performance. Constructed from precision-machined billet aluminum and SFI 18.1 certified, its built to withstand the demands of high-load towing, off-road, and performance applications.
Performance Highlights
- 7.525-inch outer diameter provides optimal harmonic damping for 5.3L GM engines
- Dual 4 & 3-groove pulley design supports OEM accessory drives
- Lightweight billet aluminum construction reduces rotating mass for improved throttle response
- Precision-balanced for high-RPM and towing stability
- Direct-fit for 20142020 GM trucks and SUVs with 5.3L V8 engines
- SFI 18.1 certified for motorsport-level safety and performance
- Fully rebuildable for long-term service life and performance consistency
Quick Specs
- Outer Diameter: 7.525 inches
- Material: Aluminum
- Pulley Type: Dual 4 & 3 Groove
- Engine Application: GM 5.3L V8 Truck / SUV (20142020)
- Certification: SFI 18.1
- Design: LS-Based Truck Super Damper
- Part Number: ATI918645
Why Choose ATIs Super Damper for GM 5.3L Trucks?
The ATI918645 Super Damper delivers the unmatched vibration control that ATI is known for. By eliminating harmonic distortion, it improves power delivery, protects bearings and crankshafts, and enhances long-term reliability. Whether your 5.3L truck is stock, tuned, or boosted, this damper ensures smoother operation and consistent performance under any load.
Frequently Asked Questions
Is this a direct-fit damper for 5.3L GM engines?
Yes. The ATI918645 installs directly without modifications and works with the factory accessory belt system.
Does it improve towing or heavy-duty performance?
Yes. Its superior harmonic control enhances crankshaft stability, improving reliability under heavy loads.
Can this be used with performance or boosted engines?
Absolutely. Its SFI 18.1 certified and built to handle naturally aspirated and forced-induction applications.
Is the damper rebuildable?
Yes. All ATI Super Dampers are fully rebuildable to maintain peak performance for years to come.
Vehicle Fitment
- 2014 Chevrolet Silverado 1500 5.3L V8
- 2015 Chevrolet Silverado 1500 5.3L V8
- 2016 Chevrolet Silverado 1500 5.3L V8
- 2017 Chevrolet Silverado 1500 5.3L V8
- 2018 Chevrolet Silverado 1500 5.3L V8
- 2019 Chevrolet Silverado 1500 5.3L V8
- 2020 Chevrolet Silverado 1500 5.3L V8
- 2014 GMC Sierra 1500 5.3L V8
- 2015 GMC Sierra 1500 5.3L V8
- 2016 GMC Sierra 1500 5.3L V8
- 2017 GMC Sierra 1500 5.3L V8
- 2018 GMC Sierra 1500 5.3L V8
- 2019 GMC Sierra 1500 5.3L V8
- 2020 GMC Sierra 1500 5.3L V8
- 2014 Chevrolet Tahoe 5.3L V8
- 2015 Chevrolet Tahoe 5.3L V8
- 2016 Chevrolet Tahoe 5.3L V8
- 2017 Chevrolet Tahoe 5.3L V8
- 2018 Chevrolet Tahoe 5.3L V8
- 2019 Chevrolet Tahoe 5.3L V8
- 2020 Chevrolet Tahoe 5.3L V8
- 2014 GMC Yukon 5.3L V8
- 2015 GMC Yukon 5.3L V8
- 2016 GMC Yukon 5.3L V8
- 2017 GMC Yukon 5.3L V8
- 2018 GMC Yukon 5.3L V8
- 2019 GMC Yukon 5.3L V8
- 2020 GMC Yukon 5.3L V8
- Also fits 20142020 Suburban, Yukon XL, and Escalade 5.3L V8 models
Contact Beefcake Racing
Beefcake Racing carries the full line of ATI Super Dampers for GM trucks and SUVs. For expert advice or to place an order, contact our team at sales@beefcakeracing.com or call 1-855-827-7223. Well help you find the right damper for your 5.3L build or heavy-duty application.
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