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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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700R 4WD REPLACING TH350 4WD QUICK ADAPTER

GM 700R 4WD AUTOMATIC REPLACING GM TH350 4WD QUICK ADAPTER
$111.60
excluding shipping
50-8505

TJ V8 WITH NV3550 TRANS

TJ V8 WITH NV3550 TRANS

$1,614.93
excluding shipping
CP-TJ001

TH350 X JEEP DANA 300 (-1312)

GM 4wd TH350 to Jeep Dana 300 Adapter Kit

$531.64
excluding shipping
50-6304

TOYOTA P/U REDUCTION HOUSING

Heavy Duty Toyota Truck gear driven transfer case gear reduction housing.
$220.70
excluding shipping
51-5911

TH350 4WD-NP231 27T UP TO 95

GM 4wd Th350 to NP231 Adapter Kit (Pre 1995 NP231 only)

$515.00
excluding shipping
50-6804

4L60E HEX PATTERN/AA 700R P/N 50-0405

6 bolt to 4 bolt adapter with VSS for the 1997-Current GM 4L60E/4L65E 4 speed automatic transmission adapter kit.

$308.45
excluding shipping
50-0405

ALLISON 1000 (GM) 29 SPL. TO GM NP205

50-9421 - ALLISON 1000 Automatic Transmission to 1985-91 GM Round Bolt Pattern NP205 Transfer Case Adapter

$589.00
excluding shipping
50-9421

4L60E HEX-TOYOTA L/C-19 SPLINE

1997 & up GM 4L60E/ 4L65E 4 speed automatic transmission to the 1980-89 Land Cruiser 19 Spline transfer case, adapter kit.

$844.69
excluding shipping
50-0408A

COUPLER- DODGE 29SP TRANS X DODGE 23SP TC

COUPLER- DODGE NP205 23SP TRANSFER CASE X DODGE NV4500/ G360 29SP TRANSMISSION.
$188.60
excluding shipping
52-9542

DODGE NP205 STOCK ADAPTER FIG8 TO CIRCULAR (6307) 23SPL

50-2800: Dodge NP205 stock Adapter Small Bearing Index (6307)

$397.44
excluding shipping
50-2800

TH400 X JEEP DANA 300-WIDE DSG

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

$573.87
excluding shipping
50-6400

4L80E TO LAND ROVER LT230 TRANSFER CASE

MARK'S 4WD 4L80E TO LAND ROVER LT230 TRANSFER CASE

$1,911.00
excluding shipping
6245-018
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