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1999 GMC Sierra 2500
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Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
1999 GMC Sierra 2500

1999 GMC Sierra 2500 Oil Pressure Switches

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Oil Pressure Switch -
Replacement
Oil Pressure Switch -
Part Number: REPC501104
Guaranteed to Fit
$10.99
Vehicle Fitment
  • 1999 GMC Sierra 2500 SL 8 Cyl 6.0L
  • 1999 GMC Sierra 2500 SL 8 Cyl 5.3L
  • 1999 GMC Sierra 2500 SLE 8 Cyl 6.0L
  • 1999 GMC Sierra 2500 SLT 8 Cyl 6.0L
  • 1999 GMC Sierra 2500 SLE 8 Cyl 5.3L
  • 1999 GMC Sierra 2500 SLT 8 Cyl 5.3L
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Terminal Type : PinInterchange Part Number : PS303, 80010, 280010, 501202, 5333688, 12562267, 19244505, 89057526, 1S6744, 59C1004, 9C5, D1818A, D8037, OP6761, OP6761SB, PS237, PS303T, PS391, S4184, SBC1023Terminal Gender : MaleTerminal Quantity : 1Replaces OE Number : 80010, 280010, 501202, 5333688, 12562267, 19244505, 89057526, 1S6744, 59C1004, 9C5, D1818A, D8037, OP6761, OP6761SB, PS237, PS303T, PS391, S4184, SBC1023Product Fit : Direct FitReturns Policy : 30-Day Return PolicyConnector Gender : Female
Standard OE Replacement Oil Pressure Switch - Direct Fit, Sold individually
Standard®
Standard OE Replacement Oil Pressure Switch - Direct Fit, Sold individually
Part Number: SIPS303
Guaranteed to Fit
$47.99
Vehicle Fitment
  • 1999 GMC Sierra 2500 SL 8 Cyl 6.0L
  • 1999 GMC Sierra 2500 SL 8 Cyl 5.3L
  • 1999 GMC Sierra 2500 SLE 8 Cyl 6.0L
  • 1999 GMC Sierra 2500 SLT 8 Cyl 6.0L
  • 1999 GMC Sierra 2500 SLE 8 Cyl 5.3L
  • 1999 GMC Sierra 2500 SLT 8 Cyl 5.3L
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementInterchange Part Number : REPC501104, 80010, 280010, 501202, 5333688, 12562267, 19244505, 89057526, 1S6744, 59C1004, 9C5, D1818A, D8037, OP6761, OP6761SB, PS237, PS303T, PS391, S4184, SBC1023Replaces OE Number : 80010, 280010, 501202, 5333688, 12562267, 19244505, 89057526, 1S6744, 59C1004, 9C5, D1818A, D8037, OP6761, OP6761SB, PS237, PS303T, PS391, S4184, SBC1023Product Fit : Direct Fit
Oil Pressure Switch - Direct Fit, Sold individually
Standard®
Oil Pressure Switch - Direct Fit, Sold individually
Part Number: SIPS303T
Guaranteed to Fit
$36.49
Vehicle Fitment
  • 1999 GMC Sierra 2500 SL 8 Cyl 6.0L Gauge
  • 1999 GMC Sierra 2500 SL 8 Cyl 5.3L Gauge
  • 1999 GMC Sierra 2500 SLE 8 Cyl 6.0L Gauge
  • 1999 GMC Sierra 2500 SLT 8 Cyl 6.0L Gauge
  • 1999 GMC Sierra 2500 SLE 8 Cyl 5.3L Gauge
  • 1999 GMC Sierra 2500 SLT 8 Cyl 5.3L Gauge
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
Oil Pressure Switch - Direct Fit, Sold individually
GPD®
Oil Pressure Switch - Direct Fit, Sold individually
Part Number: GPD1815307
Guaranteed to Fit
$39.49
Vehicle Fitment
  • 1999 GMC Sierra 2500 SL 8 Cyl 6.0L With Gauge
  • 1999 GMC Sierra 2500 SL 8 Cyl 5.3L With Gauge
  • 1999 GMC Sierra 2500 SLE 8 Cyl 6.0L With Gauge
  • 1999 GMC Sierra 2500 SLT 8 Cyl 6.0L With Gauge
  • 1999 GMC Sierra 2500 SLE 8 Cyl 5.3L With Gauge
  • 1999 GMC Sierra 2500 SLT 8 Cyl 5.3L With Gauge
Product Details
Warranty : 1 year GPD limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
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Replacement Oil Pressure Switch -
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P0521 Code: Engine Oil Pressure Sensor/Switch Range/Performance
P0521 Code: Engine Oil Pressure Sensor/Switch Range/PerformanceA vehicle’s oil pressure sensor is typically a three-wire sensor with 5 volts, a signal return ground, and a signal voltage that varies with engine oil pressure. The sensor’s job is to detect and report engine oil pressure to the PCM. The OBD-II code P0521 is triggered when the PCM
P0523 Code: Engine Oil Pressure Sensor/Switch “A” Circuit High
P0523 Code: Engine Oil Pressure Sensor/Switch “A” Circuit HighThe PCM monitors engine oil pressure with the help of the Engine Oil Pressure sensor. The P0523 code is typically logged when the PCM receives high readings from this sensor. This code belongs to a range of diagnostic trouble codes that refer to oil pressure problems. Related DTCs include P0520,
P0522 Code: Engine Oil Pressure Sensor/Switch “A” Circuit Low
P0522 Code: Engine Oil Pressure Sensor/Switch “A” Circuit LowThe pressure-sensing mechanism in the oil pressure switch is in direct contact with the oil gallery. This means that any changes in gallery oil pressure will produce an increase or decrease in the resistance of the oil pressure transducer.
Where Is the Oil Pressure Switch Located?
Where Is the Oil Pressure Switch Located?The oil pressure switch monitors the oil pressure and illuminates the warning light or the oil pressure indicator when the pressure falls below a certain threshold. It also notifies you when the pressure becomes too high. This typically only happens when the oil pump relief valve is stuck closed. Low
P0520 Code: Engine Oil Pressure Sensor/Switch “A” Circuit
P0520 Code: Engine Oil Pressure Sensor/Switch “A” CircuitInside the oil pressure switch is a pressure-sensing device that’s in direct contact with the oil flow. Oil pressure can either increase or decrease the sensor’s resistance and the PCM is capable of converting these changes into an accurate interpretation of the actual oil pressure.