Product Description
Genuine GM 12620099 Flexplate
Fits 2014–Newer L83, L86, and L8T Engines with 6L80/6L90 Transmissions
The Genuine GM 12620099 Flexplate is the factory OEM replacement for GM 6-speed automatic transmission applications, including 6L80 and 6L90-equipped vehicles with L83, L86, and L8T engines.
Designed and manufactured to General Motors' exacting standards, this flexplate ensures precise fitment, optimal balance, and long-lasting reliability for both stock and mildly modified setups. It provides smooth power delivery between your engine and torque converter while maintaining OEM driveline integrity.
Perfect for restoring factory performance or completing a high-quality rebuild, this flexplate delivers the strength and dependability you expect from a Genuine GM component. For high-performance or racing applications, Michigan Motorsports offers a full line of SFI-certified heavy-duty flexplates for maximum durability.
Key Features:
- Genuine GM OEM flexplate – part number 12620099
- Fits 6L80 and 6L90 six-speed automatic transmissions
- Designed for 2014-newer 5.3L, 6.2L, and 6.6L GM truck/SUV engines
- Provides smooth, vibration-free engine-to-transmission power transfer
- Ideal for OEM replacement in stock or mildly upgraded builds
- Not compatible with 8-speed or 10-speed transmissions
- Precision-balanced construction ensures factory-level performance and longevity
Applications Include (6-Speed Gasoline Models Only):
- CADILLAC ESCALADE 2015–2020
- CHEVROLET EXPRESS 2500 2021–2023
- CHEVROLET EXPRESS 3500 2021–2023
- CHEVROLET EXPRESS 4500 2021–2023
- CHEVROLET LCF 2020–2024
- CHEVROLET SILVERADO 1500 2014–2021
- CHEVROLET SILVERADO 1500 LTD 2022
- CHEVROLET SILVERADO 2500 2020–2023
- CHEVROLET SILVERADO 3500 2020–2023
- CHEVROLET SUBURBAN 2015–2020
- CHEVROLET TAHOE 2015–2020
- GMC SAVANA 2500 2021–2023
- GMC SAVANA 3500 2021–2023
- GMC SAVANA 4500 2021–2023
- GMC SIERRA 1500 2014–2021
- GMC SIERRA 1500 LIMITED 2019–2022
- GMC SIERRA 2500 2020–2023
- GMC SIERRA 3500 2020–2023
- GMC YUKON 2015–2020
- GMC YUKON XL 2015–2020
