BD Diesel Built-It Trans Kit Stage 3

2019–2024 Ram 2500 / 3500 6.4L 392 / 6.7L Diesel

Part #: 1062027

Overview

The BD Diesel Built-It Trans Kit Stage 3 is a comprehensive transmission rebuild kit designed specifically for Ram 2500 and 3500 trucks equipped with the 6.4L 392 gasoline engine or the 6.7L Cummins diesel engine from model years 2019 through 2024. This kit is tailored for experienced builders who want to perform their own transmission rebuilds using high-quality, performance-proven components.

BD Diesel offers these kits with the same premium parts used in their own performance transmissions, ensuring durability and reliability under demanding conditions. The Stage 3 kit provides an excellent balance of strength and refinement, making it ideal for those upgrading from stock or earlier rebuild stages.

Whether you are restoring your transmission to factory specs or preparing it for increased power and torque, this kit includes all the essential rebuild components and gaskets needed to complete the job with confidence.

Key Features

The BD Diesel Built-It Trans Kit Stage 3 combines quality materials and precision engineering to deliver a robust rebuild solution. Key features include:

• Complete set of essential rebuild parts and gaskets for a thorough transmission overhaul
• Components matched to BD Diesel’s own performance transmissions for proven reliability
• Designed to support stock horsepower levels up to moderate performance upgrades
• Compatible with 2019–2024 Ram 2500 and 3500 models with 6.4L 392 gasoline or 6.7L diesel engines
• Includes specialty parts tailored to the unique demands of heavy-duty Ram transmissions
• Engineered to withstand the rigors of towing, hauling, and off-road use
• Facilitates a professional-grade rebuild for seasoned mechanics and enthusiasts

Construction & Design

BD Diesel’s transmission rebuild kits are crafted with durability and precision in mind. The components are manufactured from high-grade materials selected to endure the stresses of heavy-duty applications. Gaskets and seals are engineered to provide reliable sealing under high pressure and temperature conditions, preventing leaks and ensuring long service life.

The kit’s design reflects BD Diesel’s extensive experience in performance transmission builds, incorporating enhancements that improve shift quality and transmission longevity. Every part is inspected and tested to meet stringent quality standards before inclusion in the kit.

Installation & Fitment

This kit is intended for experienced builders familiar with transmission disassembly and assembly procedures. It fits directly into the 2019–2024 Ram 2500 and 3500 trucks equipped with the 6.4L 392 gasoline or 6.7L diesel engines without requiring modifications. Installation requires standard transmission rebuild tools and knowledge of torque specifications and assembly sequences.

Following BD Diesel’s detailed instructions and using this kit’s matched components ensures a smooth rebuild process and optimal transmission performance.

What's Included

• Complete set of rebuild gaskets and seals
• Specialty rebuild components specific to Ram 2500/3500 transmissions
• High-quality internal parts used in BD Diesel’s own Stage 3 performance transmissions
• All necessary hardware for assembly

Ideal For

This transmission rebuild kit is ideal for:

• Experienced mechanics and DIY enthusiasts rebuilding Ram 2500/3500 transmissions
• Owners upgrading from stock or earlier rebuild stages seeking enhanced durability
• Those who tow or haul regularly and require a transmission capable of handling increased stress
• Performance builders aiming for a reliable foundation before advancing to higher-stage kits

BD Diesel Performance designs and manufactures diesel performance parts aimed at stronger power delivery, improved reliability, and heavy-duty capability. Their lineup spans turbo and fueling upgrades, manifolds, intercoolers, and other supporting components—built for Cummins, Power Stroke, and Duramax owners who want more torque for towing, work, or competition.