Product Description
The BD DIESEL 1064664SS Roadmaster Transmission and Converter Package is a complete heavy-duty upgrade for 2018–2021 Ford Expedition and Lincoln Navigator models equipped with the 3.5L EcoBoost engine and 10R80 transmission. Designed to handle the weight, torque, and real-world demands of large SUVs, this Roadmaster package corrects the most common factory 10R80 failures while delivering smoother shifting, improved durability, and long service life.
This package includes a fully reworked Roadmaster transmission and a matched performance torque converter. Internal upgrades address known issues such as CDF drum sleeve movement that causes delayed or slipping shifts. A modified valve body increases line pressure by approximately 30% to improve clutch holding capacity, while an upgraded reaction shell improves hardness and durability to prevent premature wear. New OEM clutches and steels are used throughout for dependable performance under towing, daily driving, and long-distance use.
Fitment
- 2018–2021 Ford Expedition
- 2018–2021 Lincoln Navigator
- 3.5L EcoBoost Gas Engine
- 4WD models only
- 10R80 automatic transmission
Key Features & Benefits
- Complete Roadmaster transmission and converter package
- Revised CDF drum design to eliminate shift flare and delays
- Modified valve body with ~30% increased line pressure
- Upgraded reaction shell for improved wear resistance
- New OEM clutches and steels throughout
- Heavy-duty torque converter with upgraded friction materials
Cross-Reference & Compatible BD Diesel Products (BD DIESEL ONLY)
- BD DIESEL 1064682SS ROADMASTER TRANSMISSION & CONVERTER PACKAGE 10R80 FORD TRANSIT 3.5L 2020–2024 2WD
- BD DIESEL 1064622SS ROADMASTER 10R80 TRANSMISSION & CONVERTER PACKAGE FORD F-150 5.0L 2018–2020 2WD
Is this a complete transmission and torque converter package?
Yes. This Roadmaster package includes both the upgraded transmission and a matched heavy-duty torque converter.
Does this package address common 10R80 CDF drum issues?
Yes. The revised CDF drum design prevents sleeve movement that can block fluid passages and cause delayed or slipping shifts.
Is a core charge required?
Yes. This transmission package requires a refundable core return.
Specifications for BD DIESEL PRODUCTS 1064664SS
| Specification | Details |
|---|---|
| Brand | BD Diesel |
| Part Number | 1064664SS |
| UPC | Not Found |
| GTIN | Not Found |
| Shipping Info | Truck freight item; transmission assembly with torque converter |
| Prop 65 | California Proposition 65 Warning |
