Transmission Oil Pressure Switch for 2011-2012 Ram 3500 & More - Standard Ignition PS690

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$162.99
MPN: PS690
Item Package Quantity: 1
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Standard Ignition Automatic Transmission Oil Pressure Switch P/N:PS690
Standard Ignition Automatic Transmission Oil Pressure Switch P/N:PS690
$162.99

Keep accurate pressure feedback flowing to your truck's monitoring system with the Standard Ignition switch PS690, an automatic transmission oil pressure switch that installs as a direct-fit replacement for the 2007-2010 Dodge Ram 3500, 2008-2010 Dodge Ram 4500, and 2011-2012 Ram 3500 (All engines). It reads the transmission's oil pressure and reports that signal to the vehicle's data monitoring system, so if a failed switch is the cause of a missing or erratic pressure reading, this unit replaces it.

  • OE fit: A direct replacement engineered for OE fit and straightforward installation.
  • Durable diaphragm: Built with a high-temperature polyimide film diaphragm that resists rupture and oil leakage and is designed to handle rapid pressure pulsations without component damage.
  • 100% tested: Every unit is checked on vehicles and on automated equipment that activates the switch, checks for leaks, and stresses the part to confirm it meets specification.
  • Single terminal: One bullet-style terminal.

Robust design and high-grade materials stand up to the demands of today's service professional. Country of origin: Taiwan.

Interchange: S4685 · 68019699AA · OP7685

This part cross-references / interchanges with the following part numbers:

S4685, 68019699AA, OP7685

Frequently Asked Questions

Which vehicles does the Standard Ignition PS690 fit?

It is a direct-fit replacement for the 2007-2010 Dodge Ram 3500, 2008-2010 Dodge Ram 4500, and 2011-2012 Ram 3500 (All engines).

What does this pressure switch do?

It reads the automatic transmission's oil pressure and sends that signal to the vehicle's data monitoring system.

What part numbers does the PS690 replace?

It interchanges with S4685, 68019699AA, and OP7685.

Where is the PS690 made?

It is made in Taiwan.

What are signs this switch may need replacing?

A missing, erratic, or inaccurate pressure reading can be a sign, though other causes are possible; diagnose the circuit before replacing the switch.