Product Description

Genuine GM 12685003 Flexplate

Fits 8L90 Transmission Applications and Select 10-Speed Models

The Genuine GM 12685003 Flexplate is the factory-correct replacement for your GM 8L90 or select 10-speed transmission applications. Designed and manufactured to OEM standards, this flexplate ensures perfect balance, precise fitment, and long-term reliability for your high-performance or daily-driven vehicle.

Built from high-quality materials and engineered to meet GM’s exact specifications, this flexplate provides smooth power transfer and reduced vibration for superior driveline performance. Ideal for replacing a damaged or missing unit in stock or mildly modified setups.

For high-performance or racing builds, Michigan Motorsports also offers a full line of SFI-certified heavy-duty flexplates designed to handle extreme horsepower and torque applications.

Key Features:

Genuine OEM GM replacement – part number 12685003
Fits GM 8L90 automatic transmissions and select 10-speed models
Precision-balanced design ensures smooth engine and driveline operation
Ideal for stock and mildly modified applications
Manufactured to GM factory specifications for perfect fit and reliability
High-quality OEM construction – built to last under demanding conditions

Applications Include:

2024 Cadillac CT5-V Blackwing 6.2L
2024 Cadillac Escalade-V 6.2L
2024 Chevrolet Camaro LT1, SS, ZL1 6.2L
2024 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2024 GMC Savana 2500/3500 Base, LS, LT 4.3L
2023 Cadillac CT5-V Blackwing 6.2L
2023 Cadillac Escalade-V 6.2L
2023 Chevrolet Camaro LT1, SS, ZL1 6.2L
2023 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2023 GMC Savana 2500/3500 Base, LS, LT 4.3L
2022 Cadillac CT5-V Blackwing 6.2L
2022 Chevrolet Camaro LT1, SS, ZL1 6.2L
2022 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2022 GMC Savana 2500/3500 Base, LS, LT 4.3L
2021 Chevrolet Camaro LT1, SS, ZL1 6.2L
2021 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2021 GMC Savana 2500/3500 Base, LS, LT 4.3L
2020 Cadillac Escalade ESV Base, Luxury, Platinum 6.2L
2020 Chevrolet Camaro LT1, SS, ZL1 6.2L
2020 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2020 Chevrolet Suburban LS, LT, Premier 5.3L, 6.2L
2020 GMC Savana 2500/3500 Base, LS, LT 4.3L
2020 GMC Yukon XL Denali, SLE, SLT 5.3L, 6.2L
2019 Cadillac CTS-V 6.2L
2019 Cadillac Escalade ESV Base, Luxury, Platinum 6.2L
2019 Chevrolet Camaro SS, ZL1 6.2L
2019 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2019 Chevrolet Suburban LS, LT, Premier 5.3L, 6.2L
2019 Chevrolet Suburban 3500 HD LS, LT 6.0L
2019 GMC Savana 2500/3500 Base, LS, LT 4.3L
2019 GMC Yukon XL Denali, SLE, SLT 5.3L, 6.2L
2018 Cadillac CTS-V 6.2L
2018 Cadillac Escalade ESV Base, Luxury, Platinum 6.2L
2018 Chevrolet Camaro SS, ZL1 6.2L
2018 Chevrolet Express 2500/3500 Base, LS, LT 4.3L
2018 Chevrolet Silverado 1500 High Country, LT, LTZ 5.3L, 6.2L
2018 Chevrolet Suburban LS, LT, Premier 5.3L
2018 Chevrolet Suburban 3500 HD LS, LT 6.0L
2018 GMC Savana 2500/3500 Base, LS, LT 4.3L
2018 GMC Sierra 1500 Denali, SLT 5.3L, 6.2L
2018 GMC Yukon XL Denali, SLE, SLT 5.3L, 6.2L
2017 Cadillac CTS-V 6.2L
2017 Cadillac Escalade ESV Base, Luxury, Platinum 6.2L
2017 Chevrolet Camaro SS, ZL1 6.2L
2017 Chevrolet Silverado 1500 High Country, LT, LTZ 5.3L, 6.2L
2017 Chevrolet Suburban LS, LT, Premier 5.3L
2017 Chevrolet Suburban 3500 HD LS, LT 6.0L
2017 GMC Sierra 1500 Denali, SLT 5.3L, 6.2L
2017 GMC Yukon XL Denali, SLE, SLT 5.3L, 6.2L
2016 Cadillac CTS-V 6.2L
2016 Cadillac Escalade ESV Base, Luxury, Platinum, Premium 6.2L
2016 Chevrolet Camaro SS 6.2L
2016 Chevrolet Silverado 1500 High Country, LS, LT, LTZ 5.3L, 6.2L
2016 Chevrolet Suburban LS, LT, LTZ 5.3L
2016 GMC Sierra 1500 Denali, SLT 5.3L, 6.2L
2016 GMC Yukon XL Denali, SLE, SLT 5.3L, 6.2L
2015 Cadillac Escalade Base, Luxury, Platinum, Premium 6.2L
2015 Chevrolet Silverado 1500 High Country, LTZ 6.2L
2015 GMC Sierra 1500 Denali, SLT 6.2L
2015 GMC Yukon Denali 6.2L

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GM 12685003 Flexplate for 8L90 Transmission Applications