306-8678 Excavator Chassis Harness – Replacement Undercarriage Wire Loom for 312D Heavy Duty Equipment

Compatible with 312D Excavator – Direct replacement chassis wiring harness for 312D model excavators. Replaces OEM part number 306-8678.

Direct Fit Replacement – Matches original factory specifications for plug-and-play installation. No cutting, splicing, or modification required.

Heavy Duty Construction – Built with high-temperature resistant insulation and corrosion-resistant terminals. Designed to withstand harsh undercarriage conditions including mud, water, vibration, and debris.

Restores Electrical Reliability – Replaces worn or damaged harness to ensure proper electrical connection for lights, sensors, and control modules. Helps eliminate intermittent faults and machine errors.

Rigorously Tested – Each harness is tested for continuity, voltage drop, and insulation resistance before shipment to ensure reliable operation.