ATS 8HP Transmission Complete Conversion Kit for 2012-2018 Jeep 3.6L Sahara / Sport / Rubicon

ATS 8HP 8-Speed Automatic Conversion Kit

Fitment: 2012–2018 Jeep Wrangler / Applications: 3.6L V6, 5.7L, 6.1L, 6.4L V8, 6.2 Hellcat

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ATS 8HP Jeep Wrangler Transmission Conversion

Bring next-generation transmission performance to your Jeep with the industry’s only fully integrated 8HP conversion system. Designed for a seamless swap, this kit lets you upgrade from the factory NAG1 5-speed to the legendary ZF 8HP 8-speed automatic—delivering sharper shifts, smarter power delivery, and total factory integration.

Engine Options:

• 3.6L V6 (Plug & Play Kit)

• 5.7L/6.1L/6.4L V8 (Plug & Play Kit)

 

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Advanced Plug-and-Play Integration

• Complete factory compatibility: Every Wrangler function is retained—dash, tach, speedo, gear indication, cruise, remote start, ABS, traction control, and more.

• Keep your original NAG1 shifter: Installs easily, your Wrangler’s OEM gear selector now commands the new 8HP transmission.

• No tuning headaches: In almost every case, factory ECM calibration remains unchanged. This means reliable emissions compliance and OE-like drivability—no tuning required!

• Translator module: The ATS Translator bridges every electronic module: ECM, TCM, BCM, brakes, dash, and shifter, ensuring the 8HP talks natively to your Jeep.

 

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8HP Conversion Variations

 

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Why Choose ATS for Your Wrangler?

• True OE Feel: Factory dash displays, gear indicators, cruise, ABS, and more—every accessory functions just like stock.

• No compromise: Your Jeep performs as if it rolled off the showroom with the 8-speed—transparency you can feel.

• Simple install: Direct plug-in conversion—just swap out the NAG1 harness and TCM for the supplied ATS Translator, plug everything in, and you’re ready to roll.

• Full electronic support: We supply a base TCM calibration for use with HP Tuners, plus remote tuning options.

 

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Installation is Straightforward

1. Unplug factory harnesses from the NAG1 trans/shifter/TCM

2. Remove shift cable, feed new ATS harness through

3. Plug harness into 8HP transmission

4. Replace factory TCM with ATS Translator

5. Connect and power up—done!

Kit available for those supplying their own 8HP transmission or as a complete upgrade with ATS-built transmission assemblies!

 

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Additional Features

• 8HP45/8HP50/8HP70 support for all 3.6L/5.7L/6.1L/6.4L applications

• Full tap up/down, manual, auto, and lockout functions through the factory shifter

• Dash accurately displays gear 1–6 as “1–6”; gears 7 and 8 display as “1” and “2”—just like OE

• Retains all pushing factory connectivity and control systems—no cutting, programming, or custom wiring required

 

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The ATS Advantage

No other system delivers true plug-and-play conversion, full factory accessory retention, and real OE-grade reliability like ATS. Whether you’re wheeling, towing, or just want the best suburban Jeep on the planet—this is the last transmission swap your Wrangler will ever need.

Ready to transform your Wrangler? Step up with ATS