LT Easiyl Oil Pressure Sensor Switch for Harley FLHR Road King Electra Glide 74438-99 — Direct-Fit, OEM-Compatible

LT Easiyl Oil Pressure Sensor Switch 74438-99 is a direct-fit replacement sensor that monitors engine oil pressure for select Harley-Davidson FLHR, Road King, Electra Glide and Street Glide models from 1999–2016.

This replacement pressure switch is designed to restore accurate oil-pressure signaling after a failed or intermittent factory sensor. It matches the original equipment numbers 74438-99A, 7443899, 74438-99 and 32-1396, and ships as a single unit ready for routine maintenance or repair. Installation typically requires basic hand tools and is intended for models listed below; always verify fitment against your bike’s VIN and OEM part references before ordering.

Which models will this LT Easiyl sensor fit?

This sensor was produced to fit a broad set of Harley models spanning late 1990s through mid-2010s. Compatibility covers FLHR Electra Glide and several Road King and Street Glide variants, including touring and trike versions—confirm fit by cross-referencing the OEM part numbers supplied.

• FLHR Electra Glide / Road King: 1999–2016
• Road King Classic: 1999–2013
• Road King Custom: 2004–2007
• Electra Glide Classic: 1999–2013
• FLHTK Electra Glide Ultra Limited: 2010–2016
• Street Glide and Street Glide Special: 2006–2016 (Special 2014–2016)
• Street Glide Trike: 2010–2011

How does this sensor restore oil-pressure monitoring?

The switch detects hydraulic oil pressure changes and relays that signal to the bike’s warning systems. When the sensor responds quickly and accurately, it helps the rider know if oil pressure drops or rises unexpectedly, maintaining reliable dashboard alerts and preventing misleading warnings.

• Hydraulic pressure sensing element calibrated to OEM reference numbers
• Fast response to pressure changes for consistent dashboard signals
• Sealed body to resist oil contamination and vibration

What should I expect when installing the LT Easiyl pressure switch?

Installation is straightforward for anyone comfortable with basic motorcycle maintenance: drain or contain oil if necessary, unplug the wiring connector, and replace the sensor using the correct socket. Torque to manufacturer specifications and check for leaks after startup; if unsure, consult a mechanic or service manual for your model.

• Supplied as a single-piece unit ready for replacement
• Requires standard tools and wiring connector reattachment
• Verify OEM numbers 74438-99A / 7443899 / 74438-99 / 32-1396 before fitting
• Check for leaks and correct warning-light behavior after install

Is this an OEM part and what else should I confirm before buying?

This unit is a compatible aftermarket sensor built to match common OEM part references but is not labeled as factory original. Before purchasing, confirm your bike model and year, cross-check the OEM numbers listed, and ensure your wiring and connector type match the replacement to avoid fitment issues.

• Matches OEM references: 74438-99A, 7443899, 74438-99, 32-1396
• One-piece package intended for repair or routine maintenance
• Not a factory-labeled Harley-Davidson part—verify compatibility

Who is this for: This LT Easiyl oil pressure sensor switch is aimed at owners, mechanics and restoration specialists who maintain Harley-Davidson touring bikes from 1999–2016 and need a reliable, direct-fit replacement to restore accurate oil-pressure indication. It’s useful for routine service, troubleshooting intermittent gauge warnings, or replacing a failed factory sensor; suitable for DIY installers and professional shops who will verify fitment against the OEM references before installation.