BD DIESEL 1064662SS ROADMASTER TRANSMISSION AND CONVERTER PACKAGE 10R80 FORD EXPEDITION / LINCOLN NAVIGATOR 3.5L ECOBOOST 2018–2021 2WD

Product Description

The BD DIESEL 1064662SS Roadmaster Transmission and Converter Package is the ultimate reliability upgrade for 2018–2021 Ford Expedition and 2018–2021 Lincoln Navigator models equipped with the 3.5L EcoBoost and the factory 10R80 automatic transmission (2WD). Built for stock and mildly modified SUVs, this package is engineered to correct common 10R80 failure points while delivering smoother shifting, stronger clutch holding power, and longer service life for daily driving, towing, and heavy-use conditions.

BD Diesel 1064662SS, Roadmaster 10R80 transmission, 10R80 converter package, Expedition 3.5 EcoBoost 10R80 upgrade, Navigator 3.5 EcoBoost 10R80 upgrade, CDF drum leak fix, increased line pressure valve body, ProForce 10R80 torque converter, deep sump transmission pan, smoother shifts, towing durability

This Roadmaster package targets the known weak links of the 10R80 platform, including CDF drum-related shift delays and flare conditions. A modified valve body strategy increases line pressure for improved clutch holding, while upgraded internal components are designed to support durability under load. Every package includes a matching upgraded torque converter and a deep sump transmission pan to increase fluid capacity for improved temperature control and fluid life.

Fitment

• 2018–2021 Ford Expedition 3.5L EcoBoost Gas – 2WD – 10R80
• 2018–2021 Lincoln Navigator 3.5L EcoBoost Gas – 2WD – 10R80

Fitment Note: Designed for Expedition/Navigator applications with park-by-wire style shifters (dial/button/fold-away). Does not fit Expedition/Navigator with a conventional shifter.

Cross-Reference / Compatible BD DIESEL Products

• BD DIESEL 1064664SS ROADMASTER TRANSMISSION AND CONVERTER PACKAGE 10R80 EXPEDITION / NAVIGATOR 2018–2021 4WD
• BD DIESEL 1064672SS ROADMASTER TRANSMISSION AND CONVERTER PACKAGE 10R80 (F-150 / EXPEDITION / NAVIGATOR) 2WD
• BD DIESEL 1064674SS ROADMASTER TRANSMISSION AND CONVERTER PACKAGE 10R80 (F-150 / EXPEDITION / NAVIGATOR) 4WD
• BD DIESEL 1064692SS ROADMASTER TRANSMISSION & CONVERTER PACKAGE 10R80 FORD F-150 2017 2WD

FAQ

Is this a complete transmission and converter package?

Yes. This package includes the Roadmaster transmission and a matching upgraded torque converter, along with a deep sump transmission pan for increased capacity and improved temperature control.

Does this address common 10R80 shift flare and delay issues?

Yes. The Roadmaster build is designed to correct common 10R80 failure points, including CDF drum-related issues that can contribute to shift delays and flare conditions.

Is this intended for stock vehicles or tuned applications?

It’s designed for stock and mildly modified applications, including towing and heavy-use driving where improved durability and stronger clutch holding are priorities.

Specifications for BD DIESEL PRODUCTS 1064662SS