Standard Ignition Engine Oil Pressure Switch PS-291
Standard Ignition Engine Oil Pressure Switch PS-291 - view 2
Standard Ignition Engine Oil Pressure Switch PS-291 - view 3
Standard Ignition Engine Oil Pressure Switch PS-291 - view 4
Standard Ignition Engine Oil Pressure Switch PS-291
Standard Ignition Engine Oil Pressure Switch PS-291 - view 2
Standard Ignition Engine Oil Pressure Switch PS-291 - view 3
Standard Ignition Engine Oil Pressure Switch PS-291 - view 4

Standard Ignition Engine Oil Pressure Switch P/N:PS-291

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$51.99
MPN: PS-291
Item Package Quantity: 1
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Standard Ignition Engine Oil Pressure Switch P/N:PS-291
Standard Ignition Engine Oil Pressure Switch P/N:PS-291
$51.99

Keep an accurate eye on engine oil pressure with the Standard Ignition Engine Oil Pressure Switch / Oil Pressure Gauge Switch (PS-291). It drops in as a direct-fit replacement for the 1998 Dodge B1500, B2500 and B3500; 1998-2002 Dodge Dakota, Durango and Ram 1500; 1999-2003 Dodge Ram 1500 Van; 1998-2003 Dodge Ram 2500 and Ram 3500; 1999-2003 Dodge Ram 2500 Van; 1998-2003 Dodge Ram 3500 Van; and the 1998 Jeep Cherokee, Grand Cherokee, TJ and Wrangler (all engines). See the Buyer's Guide tab for the full list.

  • Accurate signal: engineered to provide a highly accurate, timely oil pressure reading to the vehicle's data monitoring system.
  • Durable diaphragm: built with a high-temperature polyimide film diaphragm for exceptional cycle durability and resistance to rupture and oil leakage, and designed to handle rapid pressure pulsations without component damage.
  • OE-fit replacement: a direct replacement engineered for OE fit and easy installation, using robust, high-grade materials.
  • Proven quality: 100% tested on vehicles and with automated equipment that activates the switch, checks for leaks, and stresses the part to confirm specification compliance.

It uses two male pin terminals with a plug-in female connector in an aluminum and plastic housing (black/silver). If a failed switch is the cause of an erratic, stuck, or dropped-out oil pressure reading, or of oil seeping from the switch, replacing it restores the correct signal to the gauge. Country of origin: Mexico.

Interchange: S4195 · 8199 · 5003675AA · 56031005 · 56031005AB · PS358 · OP6189 · 2-8199 · 28199 · OP6189SB · PS291T · Manufacturer part number PS-291 (also PS291)

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

S4195, 8199, 5003675AA, 56031005, 56031005AB, PS358, OP6189, 2-8199, OP6189SB, PS291T

Frequently Asked Questions

What does this part do?

It's an oil pressure gauge switch that senses engine oil pressure and sends a reading to the vehicle's data monitoring system for the gauge (MPN PS-291).

Will it fit my vehicle?

It's a direct-fit replacement for applications like the 1998-2002 Dodge Dakota, Durango and Ram 1500, 1998-2003 Ram 2500 and 3500, and 1998 Jeep Wrangler, Cherokee and TJ (all engines). See the Buyer's Guide tab.

What are the signs this switch may need replacing?

If the switch is the cause, you may see an erratic, stuck, or dropped-out oil pressure gauge reading, or oil seeping from the switch. Diagnose the cause before replacing.

What interchange numbers does it replace?

It cross-references S4195, 8199, 5003675AA, 56031005, 56031005AB, PS358, OP6189, 2-8199 (28199), OP6189SB and PS291T. Its own manufacturer part number is PS-291.

Where is this switch made and is it tested?

Country of origin: Mexico. Each unit is 100% tested on vehicles and with automated equipment that activates the switch, checks for leaks, and confirms specification compliance.

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