JL/JT HEMI 5.7L/6.4L Transmission Wiring Harness

This transmission wiring harness is specially designed for Jeep Wrangler JL and Gladiator JT HEMI swap projects, supporting 5.7L and 6.4L HEMI engine upgrades with ZF automatic transmissions.

Made with high-quality PTFE (Teflon) insulated wiring, this harness provides excellent resistance to high temperatures, chemicals, and aging. It is designed to deliver stable and reliable performance in demanding off-road and high-performance applications.

Product Features

• Designed for JL/JT HEMI Swap Projects – Compatible with Jeep Wrangler JL and Gladiator JT upgrades using 5.7L and 6.4L HEMI engines
• Premium PTFE Wiring – High-temperature resistant wiring rated from approximately -65°C to 200°C (-85°F to 392°F)
• Enhanced Durability – Provides superior protection against heat, abrasion, and harsh engine bay conditions
• Stable Signal Transmission – Ensures reliable communication between the transmission control system and vehicle electronics
• Built for Off-Road Use – Suitable for high-temperature, vibration, and demanding driving environments

Compatibility

• Jeep Wrangler JL (2018+)
• Jeep Gladiator JT (2020+)

Application

• 5.7L HEMI engine swaps
• 6.4L SRT / 392 HEMI engine swaps
• ZF 8HP automatic transmission upgrade projects

Note: This transmission wiring harness is mainly designed for non-US market vehicles and custom swap applications. US-spec Jeep JL/JT vehicles usually do not require this additional transmission harness.

It is an essential component for specific HEMI swap configurations, helping achieve a cleaner installation and more reliable transmission system integration.

DELIVERY POLICY: most of the countries will arrive within 5 working days. Some countries may be delayed, please contact us in advance.

Shipping: Not included. Users can place orders directly and the system will automatically calculate shipping costs. 

Tariffs: For users in other countries, taxes are not included. Please contact us first.

Pre-Order Note: If you want to sell our products in your country, please contact us for agent policy.