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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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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

DODGE NP205 STOCK ADAPTER FIG8 TO CIRCULAR (6210) 29SPL

50-2801: Dodge NP205 stock Adapter large Bearing Index (6210)

$397.44
excluding shipping
50-2801

COUPLER-29 SPLINE NP205 TO GETRAG

COUPLER-29 SPLINE NP205 TO GETRAG
$93.15
excluding shipping
52-9540

COUPLER- GM 10SP TRANS X GM 10SP TC

1971 to1984/85 GM SM465 to NP205 (figure 8) 10 spline x 10 spline stock replacement power sleeve / coupler.
$95.63
excluding shipping
52-9504

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

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

4L60E X GM 27 SPLINE NP205 TC

GM 4L60E ADAPTER TO GM NP205 27 SPLINE

$794.57
excluding shipping
50-5310

FORD NP205-32SPL INPUT TO FIT GM 6L80 32 SPL TRANS

 GM 4WD 6L80E / 6L90E 6 Speed Automatic Transmissions to Ford NP205 Transfer case.

$720.36
excluding shipping
50-9550B

RING- BELLHOUSING INDEX

Reduces 5.125 Bellhousing index down to 4.686
$27.64
excluding shipping
716078

TH350/NP231-21T upgrading to 95 & newer 23 spl.

GM 2WD Th350 to Jeep NP231 Adapter Kit (21 Spline Peugot)

$683.10
excluding shipping
50-6305A
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