The BD Diesel 1064842SS Roadmaster transmission package is engineered to enhance the durability and performance of stock or lightly modified trucks equipped with the 6L80 transmission. This comprehensive assembly includes a remanufactured valve body featuring a new clutch select and TCC regulator valves, which work together to eliminate sloppy shifting and improve overall transmission responsiveness. The deep sump oil pan included in this package helps reduce heat buildup and prevents clutch burnup, extending the service life of your transmission components. Additionally, a brand-new ProForce billet cover torque converter is included, designed specifically to prevent common converter failure issues associated with the OEM units. This package is ideal for fleet operators and heavy-duty applications where reliability and longevity are critical. The assembly features a machined bellhousing and pump surface to eliminate wear and pressure loss, ensuring consistent hydraulic performance. Upgraded components like the GM forward piston, pressure regulator valve, and TEHCM pressure switch seals further contribute to smoother operation and reduced risk of failure. Every component is selected and tested to meet OEM standards, providing a dependable upgrade for your vehicle. The package also includes new OEM clutches, steels, and molded pistons, making it a comprehensive solution for restoring or improving your 6L80 transmission’s performance and durability.
Features:
- Heavy-duty design with enhanced torque capacity for fleet and towing applications
- Premium friction materials for smooth, reliable engagement
- Enhanced thermal capacity to prevent clutch slippage under severe towing conditions
- Long-term drivetrain reliability through upgraded components and precision manufacturing
Fitment:
Chevrolet Silverado 1500 Custom 2016 to 2021
Chevrolet Silverado 1500 Custom Trail Boss 2019 to 2021
Chevrolet Silverado 1500 High Country 2014 to 2021
Chevrolet Silverado 1500 LS 2015 to 2018
Chevrolet Silverado 1500 LT 2014 to 2021
Chevrolet Silverado 1500 LT Trail Boss 2019 to 2021
Chevrolet Silverado 1500 LTZ 2014 to 2021
Chevrolet Silverado 1500 RST 2019 to 2021
Chevrolet Silverado 1500 SSV 2015 to 2021
Chevrolet Silverado 1500 WT 2014 to 2021
Chevrolet Silverado 1500 LD Custom 2019
Chevrolet Silverado 1500 LD LT 2019
Chevrolet Silverado 1500 LD WT 2019
Chevrolet Suburban LS 2015 to 2020
Chevrolet Suburban LT 2015 to 2020
Chevrolet Suburban LTZ 2015 to 2016
Chevrolet Suburban Premier 2017 to 2020
Chevrolet Suburban 1500 LS 2014
Chevrolet Suburban 1500 LT 2014
Chevrolet Suburban 1500 LTZ 2014
Chevrolet Tahoe LS 2014 to 2020
Chevrolet Tahoe LT 2014 to 2020
Chevrolet Tahoe LTZ 2014 to 2016
Chevrolet Tahoe PPV 2014 to 2020
Chevrolet Tahoe Premier 2017 to 2020
Chevrolet Tahoe SSV 2014 to 2020
GMC Sierra 1500 AT4 2019 to 2021
GMC Sierra 1500 Base 2014 to 2021
GMC Sierra 1500 Denali 2014 to 2021
GMC Sierra 1500 Elevation 2019 to 2021
GMC Sierra 1500 SLE 2014 to 2021
GMC Sierra 1500 SLT 2014 to 2021
GMC Sierra 1500 Limited Base 2019
GMC Sierra 1500 Limited SLE 2019
GMC Yukon SLE 2014 to 2020
GMC Yukon SLT 2014 to 2020
GMC Yukon XL SLE 2015 to 2020
GMC Yukon XL SLT 2015 to 2020















