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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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DODGE & GM(10/27) NP205-32SPL INPUT TO GM 6L80 32SPL. TRANS

GM 6L80E / 6L90E 6 speed automatics to the GM & Dodge NP205 Figure 8 Transfer cases.

$720.36
excluding shipping
50-9551B

GEN-3 VORTEC TH400 AUTO TRANS

LS-Series Engine to TH400 Flexplate Kit
$177.89
excluding shipping
712500A4

GM NV4500 TO NP205 TC 27 SPL

GM NV4500 4WD to GM NP205 w/27 spline male input, figure 8 bolt battern, transfer case adapter kit. (repl.TH350)

$662.17
excluding shipping
50-0218

JEEP 23 TRANS TO LANDROVER T/C

Jeep NV3550 / Dodge NV4500 with 23 spline to Land Rover Transfer Case Adapter Kit

$515.00
excluding shipping
50-9000

Chevy Gen 3 Vortec to Jeep Torqueflite Transmission

Chevy Gen 3 Vortec to Jeep torqueflite transmission

$578.28
excluding shipping
716131-V

4L60E HEX PATTERN/DANA 300

1997 to current GM 4L60E/4L65E 4wd to the Jeep Dana 300 transfer case,adapter kit.

$578.28
excluding shipping
50-0432

4L60E HEX PAT/ NP231 UP TO 94

4L60E HEX PAT/ NP231 UP TO 94

$578.28
excluding shipping
50-0434

DODGE BHSG NV4500 4WD/GETRAG

Dodge Heavy Duty NV4500 Manual Transmission Adapter Kit

$426.00
excluding shipping
712584

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

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

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

SM465 X JEEP 18/20 6SPL

GM SM465 4 Speed Transmission to Jeep Dana 18 or 20 Transfer Case Adapters

$596.16
excluding shipping
50-4703
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