Description
The M16×1.5 thread is commonly used for aftermarket pressure sensors and adapters, offering:
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A durable stainless steel or aluminum construction
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Standard sensor size—ideal for oil- or boost-pressure measurement applications
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Adapters often convert M16×1.5 to 1/8″ NPT for compatibility with gauges or wiring harnesses
One example is an OEM-style M16×1.5 pressure sensor (e.g. PN 8990130-M16X1.5) used on LS engines and other EFI systems. Specs include:
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0–130 psi range, with 0.5–4.5 V output
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GT150-style connector
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Heavy-duty stainless steel body
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Direct OEM fit, compatible with HP Tuners
📊 Key Specifications
| Feature | Details |
|---|---|
| Thread Size | M16 × 1.5 (male) |
| Materials | Stainless steel or aluminum (adapters) |
| Use-Cases | Oil pressure, boost/vacuum measurement |
| Electrical Output | Analog (0.5–4.5 V typical for sensors) |
| Converters | M16×1.5 → ¼″ or 1/8″ NPT adapters available |
| Connectors | GT150/Packard (sensor variants) |
Applications & Examples
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Sensor: Drops directly into M16×1.5 ports on GM LS-series engine blocks—tracks oil pressure or boost.
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Adapter: Converts M16 port to standard NPT gauge connector for monitoring or adding instrumentation.
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