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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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4L60E 27 SP. X GM 10 SPLINE NP205 TC

GM 4L60E ADAPTER TO GM NP205 10 SPLINE

$806.08
excluding shipping
50-5311

700R 4WD REPLACING TH350 4WD QUICK ADAPTER

GM 700R 4WD AUTOMATIC REPLACING GM TH350 4WD QUICK ADAPTER

$111.60
excluding shipping
50-8505

NEW VENTURE 4500/CHEVY TRUCK 92 to 95 BHSG

Chevy NV4500 Bellhousing to Chevy trucks 1992-95

$472.50
excluding shipping
712580

2.5 700R ATLAS ADAPTER

700R / 4L60E adapter to Atlas 2 speed & 4 speed transfer case

$238.83
excluding shipping
AS-9111

ALLISON 1000 (GM) 29 SPL. TO FORD NP205

50-9422 - ALLISON 1000 Automatic Transmission to FORD NP205 Transfer Case Adapter

$589.00
excluding shipping
50-9422

GM SM465 2WD/JEEP 23T NP231 TC

GM SM465 2WD transmission to Jeep NP231

$574.69
excluding shipping
50-9812

T18 JEEP TO CHEVY (9 STICKOUT)

Chevy/Buick Engine to Jeep T18 or T98 Transmission Adapter Kit

$485.16
excluding shipping
712521

FORD TRANS 6.5 INPUT TO GM V8

GM V8 to Ford NP435, T-18, T-19 4 speed manual transmission adapter bell housing kit.

$453.60
excluding shipping
712549

DODGE & GM(10/27) NP205-29SPL INPUT TO DODGE NV4500 29 SPL TRANS

Dodge NV4500 29 spline to GM & Dodge Figure 8, NP205 Transfer cases

$567.00
excluding shipping
50-9551

BUICK BELLHOUSING- 4.687 BORE

Buick 225 or 231 V6 to the GM SM420 truck 4 speed, adapter bellhousing kit.

$378.00
excluding shipping
712581

D4WD NV4500 & TR-4050 X FORD NP205-23T

Dodge NV4500 & TR-4050 4WD with 23 spline output shaft to Ford NP205 transfer case.

$447.80
excluding shipping
50-0207

RING- BELLHOUSING INDEX

Reduces 5.125 Bellhousing index down to 4.686

$28.04
excluding shipping
716078
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