Oil Pressure Sensor Adapter – 1/8-27 NPT Port Plug for Chevy/GM Small Block 305 350 383 400 SBC, Engine Oil Pressure Testing & Dual Sensor Install

Enhance your vehicle maintenance routine with our Universal Oil Pressure Sensor Socket & Adapter — the all-in-one solution for oil pressure testing, engine diagnostics, and oil filter adaptation. Whether you're checking engine oil quality or diagnosing pressure issues, this precision-crafted tool delivers consistent, reliable results every time. Constructed for durability and versatility, it works seamlessly across multiple applications, including as an oil pressure tester, oil sensor interface, and oil filter adapter. Its robust design ensures stable performance in high-temperature and high-pressure environments, making it ideal for both professional mechanics and DIY enthusiasts. Keep your engine running smoothly with accurate oil pressure monitoring. Upgrade your toolkit today with this essential engine oil pressure tool.

• Wide Vehicle Compatibility – Fits GM/Chevy Small Block & Most 1/8-27 NPT Ports – This oil pressure sensor adapter is designed for GM/Chevy Small Block engines including 305, 350, 383, and 400 SBC, and is universally compatible with any engine block featuring a standard 1/8-27 NPT threaded port. A must-have for mechanics and DIY enthusiasts working on domestic V8 platforms.
• Dual Sensor Port Design – Install Two Sensors Simultaneously – This adapter allows you to mount both a primary oil pressure sensor and an additional aftermarket gauge sender at the same time, without the need for extra T-fittings or adapters. Saves installation time and provides full clearance for standard sensor bodies — ideal for performance builds, engine swaps, and oil system upgrades.
• Accurate Oil Pressure Monitoring for Engine Health Diagnostics – Functions as a reliable oil pressure tester port, delivering precise readings to help you detect low oil pressure, monitor engine performance, and diagnose potential oil system issues before they become costly repairs. Compatible with most analog and digital oil pressure gauges and senders.
• Heavy-Duty Aluminum Construction – Corrosion & Heat Resistant – Machined from high-grade aluminum alloy, this adapter withstands extreme engine heat, oil exposure, and high-pressure conditions without cracking, stripping, or corroding. The precision-threaded 1/8-27 NPT fitting ensures a leak-free, secure seal every time — built to last through thousands of miles of use.
• Quick & Easy Install – No Special Tools Required – The standard 1/8-27 NPT thread design threads directly into your engine block by hand or with a basic wrench, with no machining or modifications needed. Perfect for quick sensor replacements, pressure testing setups, or engine rebuilds where downtime needs to be minimized.