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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.

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

Starting at $29/mo with . Check your purchasing power

$312.92
excluding shipping

NEW VENTURE 4500/CHEVY BHSG

Chevy V8 & V6 engine to the 1993-95 GM NV4500 5 speed, adapter bellhousing kit.
SKU: 712577

Starting at $41/mo with . Check your purchasing power

$453.60
excluding shipping

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.
SKU: 52-9504

Starting at $17/mo with . Check your purchasing power

$97.02
excluding shipping

GEN-3 VORTEC MANUAL TRANS KIT LUK CLUTCH

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

Starting at $67/mo with . Check your purchasing power

$740.00
excluding shipping

JEEP AX15 5SP X DANA 300 KIT

Jeep Ax15 & TR-4050 Adapter Kit to Dana 300
SKU: 50-8603

Starting at $17/mo with . Check your purchasing power

$186.61
excluding shipping

1-5/8 SPACER/ROTATION RING

1-5/8 SPACER/ROTATION RING
SKU: AS-0220

Starting at $12/mo with . Check your purchasing power

$126.40
excluding shipping

GM CIRCULAR 32 NP205-32SPL INPUT TO GM 6L80 32SPL TRANS

GM 6L80E Automatic to the GM NP205 Circular 6 Transfer Case.
SKU: 50-9552B

Starting at $11/mo with . Check your purchasing power

$116.55
excluding shipping

6R80 TO BRONCO DANA 20 ADAPTER

Ford 6R80 & 10R80 to Bronco Dana 20 transfer case.
SKU: 50-3901

Starting at $64/mo with . Check your purchasing power

$708.75
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

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

$432.62
excluding shipping

DODGE and GM(10/27) NP205-29SPL INPUT TO DODGE NV4500 29 SPL TRANS

Dodge NV4500 29 spline to GM & Dodge Figure 8, NP205 Transfer cases
SKU: 50-9551

Starting at $52/mo with . Check your purchasing power

$567.00
excluding shipping

TH400 2.75" TO ATLAS ADAPTER KIT

TH400 TO ATLAS 2 & 4 SPEED ADAPTER KIT
SKU: AS-6440

Starting at $26/mo with . Check your purchasing power

$285.08
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
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