4-7 PSI Adjustable Oil Pressure Switch 1/8-27 NPT N/O Sensor

About this item 【Application】Replacement for Hobbs 76575-4, 765754, for Honeywell M4006-4, and for Caterpillar CAT 4D-4785, 2Y-4439, 2Y4439, 9G8010, 2N7744, 8N2326, 6N2466. Perfectly compatible with CAT Wheel Dozers (814, 824B, 824C) and Wheel Loaders (920, 930, 950, 966C, 980, 988, 992, etc.). 【Precise Adjustable Range】Factory-set at 4 PSI (Normally Open), this switch features an adjustable contact range of 3.1 PSI to 7 PSI. Its 1/8-27 NPT thread ensures a leak-proof fit for engine oil pressure monitoring and hour meter activation. 【Industrial Grade Durability】 Engineered for Extended Duty with a robust brass housing and silver alloy contacts (gold-plated). Electrical Rating: 8A @ 12VDC, 1A @ 120VAC. Designed to withstand high vibration and temperatures from -40°F to 250°F. 【Reliable Engine Protection】 Effectively monitors low oil pressure to trigger warning systems and protect your engines (compatible with 3304, 3306, 3406, 3408 series). Helps prevent catastrophic engine failure and costly downtime. 【Anti-Damage Installation Tip】 Built for longevity but requires proper handling. IMPORTANT: Use a wrench only on the metal hex nut during installation. Do not grip or twist the plastic housing to avoid cracks and internal seal failure.