The Oil Pressure Switch T421762 is a reliable engine oil pressure sensor designed for diesel engines such as the Perkins 400 Series. It monitors engine oil pressure and sends real‑time signals to gauges or control systems — helping protect your engine from damage due to low oil pressure. This compact switch is essential for safe and efficient engine operation in generators and heavy machinery.
Where It Is Used
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Perkins diesel engines — including 403D‑07, 403D‑15, 403D‑15T, 403D‑17, 404A‑22, 404D‑22 and related models
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Diesel generators powered by Perkins 400 Series engines
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Industrial engines, compressors, pumps and construction equipment that require monitored oil lubrication
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Suitable for applications where oil pressure monitoring is critical for engine protection and automatic shutdown/warning functions
Key Functions
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Monitors engine oil pressure and transmits signal to gauge or controller
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Triggers warning or shutdown when oil pressure falls below safe levels
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Protects engine bearings and internal components by ensuring proper lubrication
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Durable construction designed for harsh operational environments and vibration
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Direct OEM replacement for Perkins T421762 specifications
Available at: www.rixingcompany.com
