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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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700R-4 X TOYOTA TRK 21T

GM 700R4 to Toyota Truck 21 spline gear driven transfer case Adapter Kit

$671.77
excluding shipping
50-5705

T18 X TOYOTA TRK 23 TOOTH

Ford T18 to Toyota truck 23 spline Adapter Kit

$597.11
excluding shipping
50-5802

4L60E SHORTY ATLAS 2 and 4 SPEED KIT

1997 & up 4L60E to Atlas Transfer Case / Jeep New Process transfer case

$561.14
excluding shipping
50-9305

DODGE 29 TRANS / LANDROVER T/C

DODGE 29 SPLINE TRANSMISSION TO LANDROVER T/C

$522.46
excluding shipping
50-9001

C4 X JEEP DANA 18/20 6 SPLINE (FULL AUTO)

Ford C4 3 speed automatic transmssion to the Jeep 18/20 transfer case (with 6 spline drive gear),adapter kit.

$709.06
excluding shipping
50-2904

MUNCIE 4SP X JEEP DANA 300

GM Muncie M21 & M22 to Dana 300 transfer case Adapter Kit

$634.41
excluding shipping
50-6000

FORD T18 X JEEP DANA 300-23SPL

Ford T18 to Jeep Dana 300 Adapter Kit

$552.32
excluding shipping
50-7500

4L80E TO LAND ROVER LT230 TRANSFER CASE

MARK'S 4WD 4L80E TO LAND ROVER LT230 TRANSFER CASE

$2,393.16
excluding shipping
6245-018

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.

$704.02
excluding shipping
50-3202

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

GM 2WD Th350 to Jeep NP231 Adapter Kit (21 Spline Peugot)

$693.00
excluding shipping
50-6305

MUNCIE X GM -NP205 fig 8 PATERN

Muncie M21/22 4 speed manual transmissions to the GM NP205 Fig 8 Pattern

$1,127.70
excluding shipping
50-3400

STOCK GM TH350-NP205

GM NP205 Stock replacement adapter housing for TH350 transmissions.

$298.56
excluding shipping
50-5302
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