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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.

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

$559.82
excluding shipping

T18 X JEEP DANA 18 6SP SMALL

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

$515.02
excluding shipping

TOY.L/C.10SP/GM V8 KIT(GM NV)

Adapts GM 32 Spline NV4500 to Chevy V8 small block & Toyota Land Cruiser 1963-1973 10 Spline Transfer Case.
SKU: 27-0020G

$1,222.77
excluding shipping

TH350 X JEEP DANA 18/20 6 SPL

GM TH350 3 speed, 2WD automatic transmission to the Jeep / Scout Dana 18 & 20 transfer case adapter kit.
SKU: 50-3000

$642.60
excluding shipping

COUPLER- GM 10SP TRANS X GM 27SP TC

GM conversion coupler SM465 to NP205 with 27 spline male input shaft.
SKU: 52-9502

$167.96
excluding shipping

4L60E X GM 27 SPLINE NP205 TC

GM 4L60E ADAPTER TO GM NP205 27 SPLINE
SKU: 50-5310

$806.08
excluding shipping

TAILHOUSING-FORD T18/T19 TO B/W 1356

TAILHOUSING-FORD T18/T19 TO B/W 1356
SKU: 40T180

$111.78
excluding shipping

DANA 300/GM V8 B/H KIT(D29)

Adapter package to mate the Dodge 29 spline NV4500 to the Jeep Dana 300 Transfercase & the GM small Block V8 engine.(bell housing kit)
SKU: 27-0001T

$732.99 MSRP $862.34
excluding shipping

SM465 X TOYOTA L/C 10 SPLINE

GM SM465 4 speed, 4wd manual transmission to the 1964-73 Land Cruiser 10 spline transfer case, adapter kit.
SKU: 50-4601

$559.82
excluding shipping

KIT- TH350 TO JEEP DANA 300

GM 2WD TH350 to Jeep Dana 300 Adapter Kit
SKU: 50-6300

$655.20
excluding shipping

C4 X JEEP DANA 300 23 SPLINE

Ford C4 to Dana 300 / NP231 Adapter Kit
SKU: 50-8100

$578.21
excluding shipping

DODGE 4WD GETRAG KIT(D.H/D 4W

For Replacing Dodge Getrag 5 Speed with the NV4500 Dodge HD 29 Spline NV4500
SKU: 27-0055

$464.18
excluding shipping
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