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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 TRANSXBRONCO DANA 20

JEEP AX15 TRANS X BRONCO DANA 20
SKU: 50-9920A

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

$522.46
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

TH350/NP231-21T upgrading to 87-95 23 spl.

GM 2WD Th350 to Jeep NP231 Adapter Kit (21 Spline Peugot)
SKU: 50-6305

Starting at $63/mo with . Check your purchasing power

$693.00
excluding shipping

MUNCIE X GM -NP205 fig 8 PATERN

Muncie M21/22 4 speed manual transmissions to the GM NP205 Fig 8 Pattern
SKU: 50-3400

Starting at $102/mo with . Check your purchasing power

$1,127.70
excluding shipping

700R-4 X TOYOTA L/C-HF2A T/C

700R-4 / 4L60 X TOYOTA L/C-HF2A T/C
SKU: 50-8904A

Starting at $137/mo with . Check your purchasing power

$1,509.60
excluding shipping

SM465 X JEEP 18/20 6SPL SHORT

GM SM465 4 Speed Transmission to Jeep Dana 18 or 20 Transfer Case Adapters
SKU: 50-4703

Starting at $55/mo with . Check your purchasing power

$604.80
excluding shipping

POWERGLIDE ADAPTER TO ATLAS

GM Power Glide to Atlas transfer case Adapter Kit
SKU: 50-9200

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

$312.92
excluding shipping

GMC 27SP NP205/NV KIT(GM TRN)

Replacing GM/Chevy Fullsize TH350 Automatic Transmission & NP205 Combo with GM 32 Spline NV4500
SKU: 27-0031

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

$1,130.28
excluding shipping

GM 10 TRANS / LANDROVER T/C

GM SM465 4WD 10 SPLINE TRANSMISSION TO LANDROVER T/C
SKU: 50-9002

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

$522.46
excluding shipping

SPACER-TAIL SHAFT L/C

SPACER-TAIL SHAFT L/C
SKU: 6245-007

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

$295.47
excluding shipping

AOD 83-87 X BRONCO II (A4LD)

Ford early AOD to Borg Warner 1350/1354 Adapter Kit (when replacing A4LD)
SKU: 50-8403

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

$623.70
excluding shipping

TH350 X TOYOTA L/C 19 SPLINE

GM TH350 to Toyota Land Cruiser 19 spline transfer case Adapter Kit
SKU: 50-7401

Starting at $73/mo with . Check your purchasing power

$806.08
excluding shipping
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