Wiring Harness for Caterpillar

Premium quality aftermarket and OEM-equivalent wiring harnesses engineered specifically for Caterpillar construction equipment. Designed to fit a wide range of Cat models including excavators (320C, 320D, 330C, 336D, 365C, 374D L, 385C, 390D), wheel loaders, bulldozers (D6D), vibratory rollers (CS-563D), and more .

Our Caterpillar wiring harnesses feature high-purity copper conductors with cross-linked polyethylene (XLPE) or thermoplastic insulation , IP67 waterproof connectors, and color-coded wiring systems for easy identification and error-free installation . Engineered to withstand extreme conditions including vibration, temperature fluctuations from -40°C to +125°C (Pro models up to +180°C) , moisture, dust, oil, and chemical exposure .