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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.

JEEP AX15/GM 168T FLYWHEEL

Chevy V8 & V6 to Jeep Wrangler AX15, adapter bellhousing kit.
SKU: 712567V

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

$516.60
excluding shipping

6L80 TO JEEP JK NP241 TRANSFER CASE 2.72:1

50-9600 - GM 6L80 Automatic Transmission to JEEP JK NP241 2007-2012 TRANSFER CASE 2.72:1
SKU: 50-9940

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

$530.21
excluding shipping

AOD 88 and UP/BRONCO II TC

Ford late AOD to Borg Warner 1350/1354 Adapter Kit
SKU: 50-8404

Starting at $57/mo with . Check your purchasing power

$623.70
excluding shipping

AX15 or NV3550 TO JEEP 4.0 BELLHOUSING up to 2004

Jeep AX15/NV3550 bell housing to 1991-2006 4.0L
SKU: 712590

Starting at $49/mo with . Check your purchasing power

$541.80
excluding shipping

STOCK GM TH350-NP205

GM NP205 Stock replacement adapter housing for TH350 transmissions.
SKU: 50-5302

Starting at $27/mo with . Check your purchasing power

$298.56
excluding shipping

GM 2WD T400/NP205 TC

GM TH400 2WD to NP205 with figure 8 bolt pattern adapter assembly. This kit replaces both 10 spline & 27 spline male input shafts.
SKU: 50-3202

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

$704.02
excluding shipping

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.
SKU: 50-0402

Starting at $51/mo with . Check your purchasing power

$559.82
excluding shipping

FORD TRANS 6.5 INPUT TO GM V8

GM V8 to Ford NP435, T-18, T-19 4 speed manual transmission adapter bell housing kit.
SKU: 712549

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

$453.60
excluding shipping

4L80E 2.75" TO ATLAS 2SP ADAPTER KIT

4L80E TO ATLAS 2 SPEED ADAPTER KIT
SKU: AS-6450

Starting at $37/mo with . Check your purchasing power

$408.62
excluding shipping

2.5 TH350/700R ATLAS ADAPTER

700R / 4L60E adapter to Atlas 2 speed & 4 speed transfer case
SKU: AS-9111

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

$238.83
excluding shipping

T18 X JEEP DANA 18 6SP SMALL

Ford T18 to Jeep Dana 18 Adapter Kit (small index cases)
SKU: 50-7202

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

$515.02
excluding shipping

ADAPTER- DODGE NV4500, CAST IRON

ADAPTER- STOCK NV4500 DODGE CAST IRON
SKU: 51-0205A

Starting at $14/mo with . Check your purchasing power

$148.80
excluding shipping
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