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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.

RING- BELLHOUSING INDEX

Reduces 5.125 Bellhousing index down to 4.686
SKU: 716078

$28.04
excluding shipping

COUPLER- DODGE 29SP TRANS X DODGE 23SP TC

COUPLER- DODGE NP205 23SP TRANSFER CASE X DODGE NV4500/ G360 29SP TRANSMISSION.
SKU: 52-9542

$191.33
excluding shipping

T4 T5 T150 T176/JEEP TO GM V8

Chevy V8 to Jeep T150, T176, T4, & T5 Manual Transmission Adapter Bell Housing Kit.
SKU: 712548

$432.62
excluding shipping

1.5 TH350/700R ATLAS ADAPTER

TH350/700R TO ATLAS ADAPTER
SKU: AS-6800

$223.90
excluding shipping

4L60E HEX PATTERN/4L60E SHAFT

6 bolt to 4 bolt adapter with VSS for the 1997-Current GM 4L60E/4L65/4L70 4 speed automatic transmission.adapter kit.
SKU: 50-0405E

$312.92
excluding shipping

ALLISON 1000 (GM) 29 SPL. TO GM NP205

50-9421 - ALLISON 1000 Automatic Transmission to 1985-91 GM Round Bolt Pattern NP205 Transfer Case Adapter
SKU: 50-9421

$589.00
excluding shipping

GEN-3 VORTEC TH400 AUTO TRANS

LS-Series Engine to TH400 Flexplate Kit
SKU: 712500A4

$185.85
excluding shipping

SPACER ADAPTER TH350 REPLACING A 700R 1.875

GM 2WD TH350 AUTOMATIC REPLACING GM 700R4 4WD TRANSMISSION
SKU: 50-8506

$114.70
excluding shipping

GEN-3 VORTEC MANUAL TRANS KIT LUK CLUTCH

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

$740.00
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

$724.75
excluding shipping

DODGE BHSG NV4500 4WD/GETRAG

Dodge Heavy Duty NV4500 Manual Transmission Adapter Kit
SKU: 712584

$432.87
excluding shipping

TOYOTA P/U REDUCTION HOUSING

Heavy Duty Toyota Truck gear driven transfer case gear reduction housing.
SKU: 51-5911

$223.90
excluding shipping
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