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

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

$693.00
excluding shipping
50-6305A

700R-4 & 4L60 X TOYOTA L/C-10 SPLINE

GM 700R4/4L60 to Toyota Land Cruiser 10 Spline Adapter Kit

$724.50
excluding shipping
50-8901

TOYOTA 4 SPD TO CHEVY KIT

Chevy V8 to the 1974-80 Land Cruiser FJ40, H42 4 speed transmission, adapter bellhousing.

$410.51
excluding shipping
712532

700R-4 TO FORD NP T/C 31T

GM 700R4 to Ford NP transfer case Adapter Kit (31 spline)

$634.41
excluding shipping
50-6904

MARKS L/C V8 BHSG CONV. KIT

Marks 4wd Land Cruiser stock 4 & 5 SP to Chevy V8 Conversion kit

$1,612.00
excluding shipping
713025-EK

TOYOTA FJ CRUISER, TACOMA, (MAN) /ATLAS

*TOYOTA FJ CRUISER 2007 & UP, *2005-15 2.7L 4 cyl. Tacoma 6-speed *TACOMA 2005 & UP w/ 4.0L & Manual to ATLAS T/C

$447.80
excluding shipping
50-5715

6L90 TO DANA 300

50-9621 - GM 6L90 Automatic Transmission to Jeep Dana 300

$535.50
excluding shipping
50-9621

JEEP T18 TO CHEVY V8(17 TOOTH GEAR)

T-18 Transmission to Chevy/Buick Engine Adapter (New Input Shaft)

$447.80
excluding shipping
712512

GMC 32SP NP205/NV KIT(GM TRN)

Replacing GM/Chevy Fullsize TH400 Automatic Transmission & NP205 Combo with GM 32 Spline NV4500

$1,025.58
excluding shipping
27-0032

TH400 32SP X TOY L/C 19 SPLINE

TH400 32 Spline to TOYOTA L/C 19 SPLINE

$709.06
excluding shipping
50-1700A

TH400 X JEEP DANA 300-WIDE DSG

GM TH400 to Dana 300 transfer case Adapter kit (4.25 long)

$573.87
excluding shipping
50-6400

POWERGLIDE ADAPTER - DANA 300

GM Power Glide to Jeep Dana 300 transfer case Adapter Kit

$547.60
excluding shipping
50-9205
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