Upgrade your 2020–2024 Ford Transit 3.5L EcoBoost 4WD or naturally aspirated V6 with the BD Diesel 1064684SS Roadmaster Transmission & Converter Package, a high-performance replacement designed to eliminate common factory 10R80 transmission failures.
This package includes a modified valve body that increases line pressure by ~30% for stronger clutch engagement, a retaining-enhanced CDF drum to prevent fluid blockage issues, and an anodized reaction shell that fixes tooth wear found in OEM units. Paired with a ProForce torque converter featuring upgraded friction material, this dyno-tested combo delivers smoother shifts, higher reliability, and greater longevity than stock.
💰 $2,000 Refundable Core Charge Required
⏱️ Estimated Install Time: 11 Hours 30 Minutes
✔️ Fits both EcoBoost & NA 3.5L engines
✅ Key Features:
Transmission:
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BD-modified valve body boosts line pressure by ~30%
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Revised CDF drum with retention design fixes OEM failure
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Anodized reaction shell eliminates common clutch tooth wear
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Smooth, firm shifts using new OEM clutches and steels
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Fully dyno-tested for quality and consistency
ProForce Torque Converter:
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Enhanced friction material for towing, delivery, and everyday use
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Precision remanufactured for smoother, more responsive shifts
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Ideal for vans under frequent load or fleet operation
🚙 Vehicle Compatibility:
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2020–2024 Ford Transit 3.5L EcoBoost V6 4WD (10R80 Transmission)
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2020–2024 Ford Transit 3.5L Naturally Aspirated V6 4WD (10R80 Transmission)
✔️ Replaces OEM #s:
• 4WD: LK4Z-7000-HA, LK4Z-7000-EA
• 2WD: LK4Z-7000-C, LK4Z-7000-DA
📦 What’s Included:
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BD Roadmaster 10R80 Transmission Assembly
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BD ProForce Torque Converter (Upgraded Friction Material)
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Modified Valve Body (30% Pressure Increase)
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Revised CDF Drum
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Anodized Reaction Shell
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New OEM Clutches & Steels
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Warranty: 24-Month / 100,000-Mile Parts | 12-Month / 24,000-Mile Labor
🛠️ Why Choose BD Diesel?
BD Diesel’s Roadmaster Series solves the known weak points of the 10R80 transmission platform with long-term, fleet-tested upgrades. From fixing fluid bypass issues with the CDF drum to increasing pressure for improved clutch holding, this transmission package is built for hard use—whether you’re running a delivery van, fleet vehicle, or work truck. Dyno-tested and street-ready, BD keeps your business moving.