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Four-Wheel Drive Adapters

Repairing, restoring and customizing a 4WD vehicle is always easier with the right adapters. If you’re using components that didn’t come stock with a truck or SUV, adapters are necessary to connect them to the OEM parts — or other aftermarket upgrades. Since 1971, Advance Adapters has been developing quality conversion products made in the U.S. Shop hundreds of 4WD adapters for Jeeps, Fords, Chevys and other popular off-road vehicles.

Off-Road Adapter Kits

We offer 4WD adapter kits and parts for almost any DIYU project. Use transmission-to-transfer case adapters and engine-to-transmission adapters to mate a variety of popular components, such as connecting a GM TH350 transmission to a Jeep Dana 300 transfer case. Our team has also put together 4WD conversion packages that include the hardware and accessories needed to install new transmissions. With retrofit kits, you can add an AX15, NV4500, NV3550 and other transmissions to your existing engine while utilizing the available space.

4WD Adapter Hardware

If a part has failed within your current conversion, you don’t need to replace the entire assembly. Individual hardware and accessories are available to fix your custom vehicle at a fraction of the price. Shop spline outputs and inputs, couplers, gears, seals and other components made of premium materials. Some of these parts also can be used to r fine-tune your setup for the right amount of power and torque. Use the search options to find adapters that fit your goals or call to speed with a four-wheel drive expert. We provide leading customer service to support our leading conversion products.

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437 products found.

700R-4 X JEEP NP231 23T (AX15)

GM 700R4 to Jeep NP231 Adapter Kit (replacing AX15)

$522.46
excluding shipping

700R 4WD-NP231 27T UP TO 1995

700R 4WD-NP231 27T UP TO 1995

$522.46
excluding shipping

700R 4WD-NP231 27T 95 and NEWER

700R 4WD-NP231 27T 95 & NEWER

$522.46
excluding shipping

ALLISON 1000 (GM) 29 SPL. TO ATLAS

50-9420 - ALLISON 1000 Automatic Transmission to Atlas Transfer Case Adapter

$508.40
excluding shipping

FORD NP205-29SPL INPUT TO FIT GM 6L90 29 SPL TRANS

 GM 4WD 6L80E / 6L90E 6 Speed Automatic Transmissions to Ford NP205 Transfer case.

$730.80
excluding shipping

GM TRANS X FORD/DODGE TRANSFER CASE

50-9553- GM TRANS X FORD/DODGE TRANSFER CASE

$107.10
excluding shipping

SM420 X JEEP DANA 300 & NP231 T/C

GM Sm420 Adapter to Jeep Dana & Jeep NP231 with 23 spline input.

$559.82
excluding shipping

GM SM465 4WD/JEEP NP231 23TH

GM SM465 4WD to Jeep NP231

$574.69
excluding shipping

FORD ZF 4WD TO JEEP DANA 300

Ford C6 auto / ZF 5 speed manual transmission to Jeep Dana 300 Adapter Kit

$335.85
excluding shipping

MARKS GM 6L80 TO RR LT230

MARKS GM 6L80 TO Land Rover LT230 Transfer Case

$1,249.50
excluding shipping

TR4050 or AX15 to TLC 10 SPL

This kit is designed for the Tremac TR4050 or the AX15. This adapter fits the early Toyota Land Cruiser 10 spline transfer case

$522.90
excluding shipping

TR4050 or AX15 to TLC 16 SPL

This kit is designed for the Tremac TR4050 or the AX15. This adapter fits the Toyota Land Cruiser 16 spline transfer case

$522.90
excluding shipping
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