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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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6L80 TO JEEP JK NP241 TRANSFER CASE 2.72:1

50-9600 - GM 6L80 Automatic Transmission to JEEP JK NP241 2007-2012 TRANSFER CASE 2.72:1

$522.63
excluding shipping
50-9940

4L60E HEX PATTERN/NP231 23T

1997 to current GM 4L60E / 4L65E 4 speed automatic transmission to the Jeep NP231 transfer case with 23 spline input shaft, adapter kit.

$578.28
excluding shipping
50-0430

GM NV4500 TO GM NP205 CIRCULAR T/C

GM NV4500 4wd to GM NP205 Circular 6 bolt pattern
$158.36
excluding shipping
50-6911

DODGE BHSG NV4500 4WD/GETRAG

Dodge Heavy Duty NV4500 Manual Transmission Adapter Kit

$426.00
excluding shipping
712584

BUICK BELHOUSING- 5.125 BORE

Buick 225 or 231 V6 to the GM SM465 truck 4 speed, adapter bellhousing kit.

$372.00
excluding shipping
712582

4L60E SHORTY ATLAS 2 & 4 SPEED KIT

1997 & up 4L60E to Atlas Transfer Case / Jeep New Process transfer case

$553.13
excluding shipping
50-9305

2.5 700R ATLAS ADAPTER

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

TH350 X JEEP DANA 18/20(-1312)

GM TH350 3 speed, 4WD automatic transmission to the Jeep / Scout Dana 18 & 20 transfer case (with 6 spline drive gear) adapter kit.

$515.00
excluding shipping
50-3001

FORD TRANS 6.5 INPUT TO GM V8

GM V8 to Ford NP435, T-18, T-19 4 speed manual transmission adapter bell housing kit.

$447.12
excluding shipping
712549

C4 SHORT 300M X ATLAS ADAPTER

Ford C4 3 speed automatic transmission to the Atlas 2 & 4 speed transfer case, heavy duty adapter kit.

$605.29
excluding shipping
50-2905

TOYOTA CHAIN T/C/GEAR TC 23X21

Toyota V6 transmission R150F to 21 spline Gear Drive Transfer Case Adapter

$367.88
excluding shipping
50-5708

6L80/6L90 TO ATLAS ADAPTER

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

$290.63
excluding shipping
50-9600
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