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Custom diesel transmission builds - plus every performance part your truck needs.
Top brands. Affordable prices. We work with the best to bring you the best.
Our Signature Builds
Hand-built in-house with premium internals. Engineered for real diesel trucks that work hard and play harder.
68RFE - Ram 2500/3500 2007.5+
6.7L Cummins | Dodge Ram
Starts at $7,195
48RE - Ram 2500/3500 2003-2007
5.9L Cummins | Dodge Ram
Starts at $8,495
47RE/47RH - Ram 2500/3500 1994-2002
5.9L Cummins 12V/24V | Dodge Ram
Starts at $5,495
48RE - Ram 2500/3500 2004.5-2007
5.9L Cummins | Dodge Ram
Starts at $6,695
Current Offers
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Turbo, fuel, exhaust, intake, cooling, and engine parts - all in one place for Cummins, Powerstroke & Duramax.
Turbocharger
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Fuel System
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Exhaust
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Air Intake
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Cooling System
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Engine Components
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Shop by Platform
Dodge Ram
5.9L & 6.7L 1994-2026
Ford Super Duty
7.3L, 6.0L, 6.4L & 6.7L 1994-2025
GM Silverado / Sierra
LB7 through L5P 2001-2023
Every FrankBUILT transmission leaves our shop backed by the strongest warranty in the business - no mileage cap, no fine print, no excuses. Warranty applies to FrankBUILT transmissions only.
Trusted Brands We Carry
FrankBUILT transmissions only - unlimited miles
Continental U.S., restrictions apply
Every build assembled by our team
Team ready to help
