HEMI Swap ECU & Engine Wiring Harness Package for Jeep Wrangler JL / JT / JK

Designed for Jeep Wrangler HEMI conversion projects, the BP4WD ECU & Wiring Harness Package provides the essential electronic components required to integrate a Chrysler HEMI engine into Jeep JK, JL, and JT platforms.

This package includes a pre-configured PCM/ECU and a professionally modified engine wiring harness, helping simplify the electrical integration process during a V8 engine swap.

Whether you are completing a full HEMI conversion or sourcing individual components for your custom build, BP4WD provides the electronic foundation needed for a reliable engine management system.

Package Includes

✅ Pre-Configured PCM / ECU

• Compatible with selected Jeep HEMI swap applications
• VIN configuration available according to vehicle and engine specifications
• Programmed to support proper engine operation after installation
• Supports communication between engine control system and vehicle electronics

✅ Custom HEMI Swap Engine Harness

• Professionally modified factory-based wiring harness
• Designed for Jeep JK / JL / JT HEMI conversion projects
• Supports 5.7L / 6.2L / 6.4L HEMI engine applications
• High-temperature PTFE/Teflon wire protection
• Operating temperature range: -65°C to 200°C
• OEM-style connectors and routing for reliable installation

Compatible Applications

Jeep Wrangler JK (2011-2018)

• 5.7L HEMI
• 6.4L HEMI 
• 392

Jeep Wrangler JL / Gladiator JT (2018+)

• 5.7L HEMI
• 6.4L HEMI
• 392
• 6.2L Hellcat / Supercharged HEMI (application dependent)

Why Choose BP4WD?

✔ Developed specifically for Jeep HEMI swap projects
✔ Based on real-world conversion experience
✔ More than 200 Jeep V8 swap projects supported
✔ Factory-style wiring solutions for improved reliability
✔ Available as individual components or part of a complete HEMI swap package

Important Notes

• PCM programming requirements vary depending on vehicle year, engine type, transmission, and vehicle configuration.
• Please provide your Jeep model year, engine type, transmission model, and donor vehicle information before ordering.
• Some JL/JT applications may require additional programming procedures or diagnostic equipment.

DELIVERY POLICY:  most of the countries will arrive within 10 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.