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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.

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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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1.5 TH350/700R ATLAS ADAPTER

TH350/700R TO ATLAS ADAPTER
$220.70
excluding shipping
AS-6800

1-5/8 SPACER/ROTATION RING

1-5/8 SPACER/ROTATION RING
$126.40
excluding shipping
AS-0220

2.5 700R ATLAS ADAPTER

700R / 4L60E adapter to Atlas 2 speed & 4 speed transfer case
$235.42
excluding shipping
AS-9111

29T NP231 T/C INPUT 1995 and earlier

Jeep NP231 29 spline Input gear
$220.35
excluding shipping
50-0231

2WD TH400 X DANA 300 T/C

GM TH400 to Dana 300 transfer case Adapter kit (4.25 long)

$573.87
excluding shipping
50-6404

4L60 TO NP241 23T

1993-96 GM 4L60/4L60E 4 speed automatic transmission to the Jeep NP231 transfer case with a 23 spline input, adapter kit.

$551.82
excluding shipping
50-0402

4L60 TRANS TO DANA 300

1993-96 GM 4L60E 4 speed automatic transmission to the Jeep Dana 300 transfer cases, adapter kit.

$551.82
excluding shipping
50-0404

4L60 X TOYOTA L/C-16 SPLINE

1993-96 GM 4L60/4L60E 4 speed automatic transmission to the 1974-80 Land Cruiser 16 Spline transfer case, adapter kit.

$794.57
excluding shipping
50-0407

4L60 X TOYOTA L/C-19 SPLINE

1993-96 GM 4L60/4L60E 4 speed automatic transmission to the 1980-89 Land Cruiser 19 Spline transfer case, adapter kit.

$794.57
excluding shipping
50-0408

4L60E 27 SP. X GM 10 SPLINE NP205 TC

GM 4L60E ADAPTER TO GM NP205 10 SPLINE

$794.57
excluding shipping
50-5311

4L60E 6 BOLT TOY L/C-HF2A T/C

1997 & up GM 4L60E/4L65E to Toyota Land Cruiser HF2A transfer case,adapter kit.

$1,472.48
excluding shipping
50-0420

4L60E HEX PATTERN TO ATLAS ADAPTER

4L60E HEX PATTERN TO ATLAS ADAPTER KIT

$543.38
excluding shipping
AS-9300