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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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436 products found.

AX15-BRONCO DANA 20 KIT

AX15 installation kit for the 1966-77 Ford Bronco
SKU: 27-3520AX15

Starting at $103/mo with . Check your purchasing power

$1,135.45
excluding shipping

DODGE NV4500 BHSG OE REPLACEMENT

Dodge NV4500 Cummins 5.9L Diesel Bellhousing
SKU: 712586

Starting at $40/mo with . Check your purchasing power

$432.87
excluding shipping

CHEVY T400 X BUICK ENGINE PLT

Chevy Automatic Transmission to Buick 225 / 231 Engine Adapter Plate
SKU: 716134

Starting at $13/mo with . Check your purchasing power

$138.76
excluding shipping

GEN-3 VORTEC MANUAL TRANS KIT CENTERFORCE

Flywheel and Clutch kit for LS-Series / Gen 3 engines
SKU: 712500M-CF

Starting at $81/mo with . Check your purchasing power

$888.00
excluding shipping

700R-4 X NP205 T/C(REPL.TH400)

GM 700R4 to GM NP205 Adapter Kit (replacing TH400)
SKU: 50-6902

Starting at $48/mo with . Check your purchasing power

$522.46
excluding shipping

DODGE NV4500 BHSG OE REPLACEMENT W/ FORK and BALL

Dodge NV4500 Cummins 5.9L Diesel Bell Housing Kit
SKU: 712586A

Starting at $47/mo with . Check your purchasing power

$515.34
excluding shipping

4L80E 4WD TO GM NP205 CIR 6 LONG INPUT

GM 4L80E 4WD to GM NP205 LONG INPUT Circular 6 bolt pattern
SKU: 50-6912

Starting at $22/mo with . Check your purchasing power

$233.10
excluding shipping

TH350 X NP205 10SPL. COUPLER

Hybrid coupler sleeve for GM NP205 transfer case. Coupler has 27 spline transmission to 10 Spline Transfer Case
SKU: 50-5304

Starting at $16/mo with . Check your purchasing power

$167.96
excluding shipping

TOY TRK G525458W56/GM V6 or V8

Toyota Truck G52,G54,G85 & W56, 4 cyl Transmission to GM 4.3 V6 & 350 Adapter Bell Housing Kit.
SKU: 712560

Starting at $45/mo with . Check your purchasing power

$492.60
excluding shipping

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.
SKU: 50-0430

Starting at $53/mo with . Check your purchasing power

$586.66
excluding shipping

TH400 X NP208 T/C(REPL.700R-4)

GM TH400 to GM New Process 208 transfer case Adapter Kit (replacing 700R trans)86 and newer short foot
SKU: 50-7000

Starting at $66/mo with . Check your purchasing power

$724.75
excluding shipping

6R80 TO ATLAS ADAPTER

Ford 6R80 & 10R80 to Atlas 31 spline input transfer case.
SKU: 50-3900

Starting at $42/mo with . Check your purchasing power

$456.75
excluding shipping
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