Haltech Nexus R3 Universal Wiring Harness - 2.5m Model_CLK-Class C209 5mm hose is the perfect

5mm hose is the perfect size for most applications as it can fit 4mm-6mm barbs

Protecting your engine from potential damage

2L 06/2019 Onwards

2 springs + adjustable preload system for easy tuning

• Solar Charged Head-Unit with Backup USB Charge Cable

Haltech Nexus R3 Universal Wiring Harness - 2.5m Model_CLK-Class C209 5mm hose is the perfectHaltech Universal Wiring Harness for Nexus R3 VCUs The Haltech Universal Wire in Harness is the perfect solution for dedicated race builds, engine swaps, and custom wiring installations. Featuring pre terminated ECU connectors on one end and clearly labeled, color coded unterminated wires on the other, this harness offers unmatched flexibility and ease of installation. Designed to streamline your setup, each wire corresponds directly with Haltechs