Waterproof LED Oil Pressure Gauge

The Waterproof LED Oil Pressure Gauge by LONGACRE is an essential monitoring instrument for marine engines and high-performance boating applications. Built for saltwater environments and rough conditions, this gauge eliminates the guesswork when it comes to engine health—critical information that every captain or mechanic needs at a glance. Whether you're running a day boat, cruiser, or performance watercraft, oil pressure is the vital sign that tells you your engine is lubricated and running safely.

This waterproof LED oil pressure gauge features a 0–120 psi range with an integrated warning light system—alerting you instantly if oil pressure drops below safe operating thresholds. The 2-5/8 inch diameter black face design offers excellent readability in bright sunlight and operates on an electric sensor system, eliminating mechanical capillary tube vulnerabilities common in older gauges. Waterproof construction means it withstands spray, vibration, and the corrosive marine environment without degradation, ensuring long-term reliability in demanding offshore or freshwater conditions.

This gauge is ideal for aftermarket engine installations, custom builds, or upgrades to legacy marine power plants where reliable pressure monitoring is non-negotiable. The compact dimensions (4.6 x 4.4 x 6.1 inches) and lightweight design (0.6 lbs) integrate easily into helm panels, engine rooms, or modular dashboard setups. Installation requires connection to a standard oil pressure sender; compatibility varies by engine block and sender thread size, so verify your current sender specifications before ordering to ensure proper fit and function.