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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.

AX15 or NV3550 TO JEEP 4.0 BELLHOUSING up to 2004

Jeep AX15/NV3550 bell housing to 1991-2006 4.0L
SKU: 712590

Starting at $50/mo with . Check your purchasing power

$551.25
excluding shipping

GM 4WD NV4500 X GM NP205 32T

GM NV4500 4WD to GM 32 spline NP205 with figure 8 front bolt pattern. Transfer Case Adapter
SKU: 50-0206

Starting at $51/mo with . Check your purchasing power

$559.82
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

AOD 88 and UP/BRONCO II TC

Ford late AOD to Borg Warner 1350/1354 Adapter Kit
SKU: 50-8404

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

$623.70
excluding shipping

GEN-3 VORTEC MANUAL TRANS (CENTERFORCE NO DISC)

Flywheel and pressure plate kit for LS-Series / Gen 3 engines ( No Clutch disc)
SKU: 712500M-D

Starting at $69/mo with . Check your purchasing power

$763.68
excluding shipping

DANA 300/GM V8 B/H KIT(D23)

Adapter package to mate the Dodge 23 spline NV4500 to the Jeep Dana 300 Transfercase & the GM small Block V8 engine.(full bellhousing kit)
SKU: 27-0001

Starting at $56/mo with . Check your purchasing power

$609.84 MSRP $762.30
excluding shipping

6L80/6L90 TO ATLAS ADAPTER

50-9600 - GM 6L80 & 6L90 Automatic Transmission to Atlas Transfer Case Adapter
SKU: 50-9600

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

$294.84
excluding shipping

700R 4WD REPLACING TH350 4WD QUICK ADAPTER

GM 700R 4WD AUTOMATIC REPLACING GM TH350 4WD QUICK ADAPTER
SKU: 50-8505

Starting at $11/mo with . Check your purchasing power

$111.60
excluding shipping

NEW VENTURE 4500/CHEVY TRUCK 92 to 95 BHSG

Chevy NV4500 Bellhousing to Chevy trucks 1992-95
SKU: 712580

Starting at $44/mo with . Check your purchasing power

$485.10
excluding shipping

2.5 TH350/700R ATLAS ADAPTER

700R / 4L60E adapter to Atlas 2 speed & 4 speed transfer case
SKU: AS-9111

Starting at $22/mo with . Check your purchasing power

$238.83
excluding shipping

T18 X JEEP DANA 18 6SP SMALL

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

Starting at $47/mo with . Check your purchasing power

$515.02
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

Starting at $16/mo with . Check your purchasing power

$167.96
excluding shipping
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