Transfer Case Adapter Kits

Update or upgrade your vehicle with a transfer case adapter kit from Advance Adapters. Factory transmissions and transfer cases are usually designed to only work in their original combination, which limits your options for drivetrain modifications. If you’re planning to swap components, a transfer case adapter kit ensures proper fitment and smooth power transfer.

Common reasons to add an adapter include switching from a manual to an automatic transmission, installing an aftermarket transfer case, or completing a full drivetrain conversion. With transfer case adapter kits from Advance Adapters, you can confidently pair popular transmissions and transfer cases across Jeep, Ford, Chevy, and other off-road vehicles.

Backed by over 50 years of engineering expertise, our U.S.-made adapters are built to last and designed for precise installation. Whether you’re restoring a classic 4x4 or building a custom off-road rig, Advance Adapters provides the solutions to make your conversion clean, efficient, and trail-ready.

Our selection of transmission-to-transfer case adapters includes designs and sizes to fit nearly every popular 4x4 make and model. From Dodge and Jeep to Ford and Toyota, we carry adapter kits engineered for precision fitment and lasting durability.

Advance Adapters also offers solutions compatible with leading transmission and transfer case manufacturers, including New Process, Aisin, Dana Spicer, Borg Warner, and our own Atlas transfer cases. No matter your setup, we make it simple to find the right parts for your drivetrain.

With our convenient product filters, you can quickly locate the exact transfer case adapter kit for your project. Backed by more than 50 years of conversion expertise, Advance Adapters remains the top choice for aftermarket drivetrain solutions that keep your 4x4 running strong on- and off-road.

Affordable Transfer Case Adapters

If you love your vehicle but have started to notice transmission issues—or you’re ready for an upgrade to handle heavier towing or more extreme off-roading—Advance Adapters has options to fit your application. With the right components, you can restore your drivetrain and enjoy performance that feels like new—or even better.

Because upgrading your transmission is a major project, it’s critical to choose the correct parts for your specific setup. Our wide selection of transmission adapters, retrofit kits, and accessories ensures you get a perfect match, so your vehicle delivers the power, torque, and reliability you need on the road or trail.

The components in each kit help to ensure that the parts from each vehicle fit together seamlessly. Options like an NV4500 to NP205 adapter kit, for example, can be used to install a new, stouter transmission. We can set you up with a T56 transfer case adapter, a Toyota dual-case adapter, a 4L60E transmission transfer case adapter and hundreds of other solutions. You will receive all necessary parts and hardware made of premium materials. Select a kit to view detailed information on fitment along with tips such as how to identify the transfer case and whether you need to relocate any components.

Every transfer case adapter kit we offer includes the components needed to ensure your transmission and transfer case fit together seamlessly. For example, an NV4500 to NP205 adapter kit allows you to install a stronger transmission with confidence. We also provide solutions like a T56 transfer case adapter, Toyota dual-case adapter, 4L60E transmission transfer case adapter, and hundreds of other options to suit your specific build.

Each kit comes with all necessary hardware, precision-machined from premium materials for durability and reliability. When you select a kit, you’ll find detailed information on vehicle fitment, along with helpful tips such as how to properly identify your transfer case and whether relocation of components may be required.

With Advance Adapters, you get everything you need to complete your drivetrain conversion cleanly and efficiently.

Quality Aftermarket Products

Adapters are our specialty, which is why Advance Adapters is the trusted source for aftermarket parts that keep your vehicle performing at its best. Every product is designed, engineered, and manufactured in-house at our California headquarters, where we maintain the highest standards of craftsmanship, safety, and reliability.

 Whether you’re looking for a specific product such as an NP205 transfer case adapter or a complete conversion package, Advance Adapters has you covered. Our team is here to provide expert guidance every step of the way.

For additional resources, visit our Tech Vault, where you’ll find detailed technical knowledge to support your build. With more than 50 years as the trusted four-wheel drive experts, we’re committed to helping DIY enthusiasts and professional builders alike complete their conversion projects with confidence.

What is a transfer case adapter kit?
A transfer case adapter kit allows you to connect a transmission to a transfer case that wasn’t originally designed to fit together. These adapters ensure proper alignment, reliable power transfer, and compatibility when swapping components.

When do I need a transfer case adapter?
You’ll need a transfer case adapter if you’re switching from a manual to an automatic transmission, installing an aftermarket transfer case, or upgrading to a heavier-duty transmission such as an NV4500.

Which vehicles can use transfer case adapter kits?
Advance Adapters offers transfer case adapter kits for nearly all popular 4x4s, including Dodge, Jeep, Ford, and Toyota models. We also manufacture adapters that fit leading brands such as New Process, Aisin, Dana Spicer, Borg Warner, and Atlas.

What comes in a transfer case adapter kit?
Each kit includes the hardware and components required for installation, such as adapter plates, splines, couplers, gears, and seals. Our kits are made from premium materials to ensure long-lasting performance under extreme conditions.

Are transfer case adapters hard to install?
Installation difficulty depends on your vehicle and drivetrain setup. While some swaps require only minor modifications, others may need additional adjustments such as relocating components. Advance Adapters provides detailed fitment guides and tech support to help you complete the job successfully.

What are popular transfer case adapter options?
Some of the most common solutions include the NV4500 to NP205 adapter kit, T56 transfer case adapter, Toyota dual-case adapter, and 4L60E transmission transfer case adapter.