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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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GEN-3 VORTEC MANUAL TRANS KIT LUK CLUTCH

Flywheel and Clutch kit for LS-Series / Gen 3 engines

$740.00
excluding shipping
712500M

700R-4 SHORT 4WD OUTPUT SHAFT

GM 700R4/4L60E output shaft kit to GM NP205 & NP203 transfer case. (replacing TH350)

$195.93
excluding shipping
50-6900

NEW VENTURE 4500/CHEVY BHSG

Chevy V8 & V6 engine to the 1993-95 GM NV4500 5 speed, adapter bellhousing kit.

$453.60
excluding shipping
712577

DODGE NV4500 BHSG OE REPLACEMENT W/ FORK & BALL

Dodge NV4500 Cummins 5.9L Diesel Bell Housing Kit

$515.34
excluding shipping
712586A

GM NV4500 TO CHEVY NP T/C 10SP

GM NV4500 4WD to GM NP205 w/ 10 spline male input, figure 8 front bolt pattern,transfer case adapter kit. (repl.SM465).

$671.77
excluding shipping
50-0217

4L80E 2.75” Transmission to Atlas 2SP Adapter Kit

4L80E TO ATLAS 2 SPEED ADAPTER KIT

$408.62
excluding shipping
AS-6450

ALLISON 1000 (GM) 29 SPL. TO GM NP205

50-9421 - ALLISON 1000 Automatic Transmission to 1985-91 GM Round Bolt Pattern NP205 Transfer Case Adapter

$589.00
excluding shipping
50-9421

4L80E 4WD TO GM NP205 CIR 6 LONG INPUT

GM 4L80E 4WD to GM NP205 LONG INPUT Circular 6 bolt pattern

$233.10
excluding shipping
50-6912

TOYOTA P/U REDUCTION HOUSING

Heavy Duty Toyota Truck gear driven transfer case gear reduction housing.

$223.90
excluding shipping
51-5911

TOY TRK G525458W56/GM V6&V8

Toyota Truck G52,G54,G85 & W56, 4 cyl Transmission to GM 4.3 V6 & 350 Adapter Bell Housing Kit.

$492.60
excluding shipping
712560

50-5304 - TH350 X NP205 10SPL. COUPLER

Hybrid coupler sleeve for GM NP205 transfer case. Coupler has 27 spline transmission to 10 Spline Transfer Case

$167.96
excluding shipping
50-5304

TOYOTA CHAIN T/C/GEAR TC 23X21

Toyota V6 transmission R150F to 21 spline Gear Drive Transfer Case Adapter

$373.21
excluding shipping
50-5708
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