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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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D29SPL NV4500 X BRONCO DANA 20

Dodge NV4500 4wd with 29 spline output shaft to 1966-77 Bronco Dana 20 transfer case, adapter kit.

$522.46
excluding shipping
50-0230

2WD TH400 X DANA 300 T/C

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

$582.18
excluding shipping
50-6404

AMC ENGINE TO JEEP AX15

Jeep AX15, 5 speed transmission to Jeep 258 & V8 adapter plate kit.

$347.76
excluding shipping
712543J

AX15 - JEEP 4.0 B.H. KIT EXTERNAL HYD.UPGRADE 89-93

Jeep AX15 bellhousing kit for upgrading a 1989-1993 Jeep YJ, XJ, MJ from internal release to external release.

$719.20
excluding shipping
712590-IR

DODGE BHSG NV4500 4WD/GETRAG (GATED SHIFTER)

Dodge Heavy Duty NV4500 Manual Transmission Adapter Kit

$432.87
excluding shipping
712584A

1.5 TH350/700R ATLAS ADAPTER

TH350/700R TO ATLAS ADAPTER

$223.90
excluding shipping
AS-6800

POWERGLIDE ADAPTER TO ATLAS

GM Power Glide to Atlas transfer case Adapter Kit

$312.92
excluding shipping
50-9200

JEEP 10/5 PEUGEOT/GM&BUICK BHG

Chevy V8 to Jeep BA10/5 Peugeot Manual Transmission Adapter Kit

$516.60
excluding shipping
712566

6L80/6L90 TO ATLAS ADAPTER

50-9600 - GM 6L80 & 6L90 Automatic Transmission to Atlas Transfer Case Adapter

$294.84
excluding shipping
50-9600

6L80 TO DANA 300

GM 6L80 Automatic Transmission to Jeep Dana 300

$535.50
excluding shipping
50-9620

NP435 X JEEP DANA 18/20-6 SPL

Ford NP435 to Jeep Dana 18/20 Adapter Kit

$708.12
excluding shipping
50-6102

700R-4 X TOYOTA TRK 23T

GM 700R4 to Toyota Truck 23 spline gear driven transfer case Adapter Kit

$671.77
excluding shipping
50-5706
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