Standard Ignition FLS-18 Engine Oil Level Sensor

Brand Standard Ignition FLS-18
Connector Gender Female
Connector Shape Oval
Connector Type Plug In
Contents Fluid Level Sensor
Terminal Gender Male
Terminal Type Blade
Fits Chevrolet, Buick, Pontiac, Saturn, and Oldsmobile · 147 vehicles

Plug-in connector. Simplifies installation with a single oval female connector.

Copper alloy conductors. Deliver strong electrical conductivity with low resistive losses.

100% tested. Verified for mechanical and electrical switching performance.

Cross-references 5S3002, 71-3503 and 74843 for the same application. See all 9.

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Engine Oil Level Sensor for GM Applications

Standard Ignition FLS-18 is an engine oil level sensor built with durable materials for service work on a wide range of GM vehicles. It uses a female oval plug-in connector with male blade terminals for a direct electrical connection and consistent fluid level monitoring.

Key Features

  • Engine oil level sensor for accurate fluid level detection
  • Female connector, oval shape, plug-in style
  • Male blade terminals with 2-terminal design
  • Copper alloy conductors for strong electrical conductivity and low resistive loss
  • 100% tested for mechanical and electrical switching performance
  • Standard Ignition FLS-18 for service replacement applications

Detailed Description

Standard Ignition FLS-18 is engineered for vehicles that rely on an oil level sensor to monitor engine fluid status and trigger the proper warning strategy. The robust housing and high-grade materials support dependable operation in demanding underhood conditions, while the copper alloy conductors help maintain stable electrical performance. This part cross-references OE-style numbers such as 5S3002 and 71-3503 for the same application. It is a direct-fit choice for many Chevrolet Impala, Chevrolet Malibu, Pontiac Grand Prix, and Buick Century applications, as well as other GM models listed below.

What It Helps Solve

  • Oil level warning light or message due to a failed sensor
  • Erratic or intermittent oil level readings
  • Electrical switching faults at the sensor connector
  • Corrosion or wear at the original fluid level sensor
  • Service replacement needs on GM engine oil level monitoring systems

Installation Notes and Tips

Verify connector style, terminal type, and vehicle application before installation. Confirm the sensor location on the engine oil level monitoring system and inspect the harness connector for damage, corrosion, or bent terminals. For fitment, this part fits 2005-2009 Chevrolet Uplander, 2006-2007 Buick Terraza, 2006-2007 Chevrolet Impala, 2000-2003 Chevrolet Impala, 1997-2007 Chevrolet Malibu, 2006-2007 Chevrolet Monte Carlo, 1995-2003 Chevrolet Monte Carlo, 2006-2007 Pontiac G6, 2006-2007 Pontiac Montana, 1999-2003 Pontiac Montana, 2007 Saturn Relay, 1994-2005 Pontiac Grand Am, 2002-2004 Buick Rendezvous, 2001-2004 Pontiac Aztek, 1997-2003 Buick Century, 1999-2003 Oldsmobile Alero, 1996-2003 Oldsmobile Silhouette, 1994-2003 Pontiac Grand Prix, 2001 Buick Regal, 1994-1996 Buick Regal, 1995-2001 Chevrolet Lumina, 1997-1999 Oldsmobile Cutlass, 1994-1998 Buick Skylark, 1994-1998 Oldsmobile Achieva, 1996-1998 Pontiac Trans Sport, 1993-1997 Oldsmobile Cutlass Supreme, 1994-1996 Chevrolet Corsica, 1995-1996 Chevrolet Lumina APV, 1996 Oldsmobile Cutlass Ciera, and 1994 Oldsmobile Cutlass Ciera.

Quality Assurance

Standard Ignition builds this sensor with a focus on technician-grade service replacement, using durable materials and copper alloy conductors. Each unit is tested for mechanical and electrical switching performance before release.

This part fits 147 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2009ChevroletUplander——N/A—
2008ChevroletUplander——N/A—
2007BuickTerraza3.9LV6N/A—
2007ChevroletImpala3.5LV6N/A—
2007ChevroletImpala3.9LV6N/A—
2007ChevroletMalibu3.9LV6N/A—
2007ChevroletMalibu3.5LV6N/A—
2007ChevroletMalibu2.2LL4N/A—
2007ChevroletMonte Carlo3.5LV6N/A—
2007ChevroletUplander——N/A—
2007PontiacG63.9LV6N/A—
2007PontiacG63.5LV6N/A—
2007PontiacG62.4LL4N/A—
2007PontiacG63.6LV6N/A—
2007PontiacMontana3.9LV6N/A—
2007SaturnRelay3.9LV6N/A—
2006BuickTerraza3.9LV6N/A—
2006ChevroletImpala3.5LV6N/A—
2006ChevroletImpala3.9LV6N/A—
2006ChevroletMalibu3.9LV6N/A—
2006ChevroletMalibu3.5LV6N/A—
2006ChevroletMalibu2.2LL4N/A—
2006ChevroletMonte Carlo3.5LV6N/A—
2006ChevroletMonte Carlo3.9LV6N/A—
2006ChevroletUplander——N/A—
2006PontiacG63.9LV6N/A—
2006PontiacG63.5LV6N/A—
2006PontiacG62.4LL4N/A—
2006PontiacMontana3.9LV6N/A—
2005ChevroletMalibu3.5LV6N/A—
2005ChevroletMalibu2.2LL4N/A—
2005ChevroletUplander——N/A—
2005PontiacGrand Am3.4LV6N/A—
2004BuickRendezvous3.4LV6N/A—
2004ChevroletMalibu3.5LV6N/A—
2004ChevroletMalibu2.2LL4N/A—
2004PontiacAztek3.4LV6N/A—
2004PontiacGrand Am3.4LV6N/A—
2003BuickCentury3.1LV6N/A—
2003BuickRendezvous3.4LV6N/A—
2003ChevroletImpala3.4LV6N/A—
2003ChevroletMalibu——N/A—
2003ChevroletMonte Carlo3.4LV6N/A—
2003OldsmobileAlero3.4LV6N/A—
2003OldsmobileSilhouette——N/A—
2003PontiacAztek——N/A—
2003PontiacGrand Am3.4LV6N/A—
2003PontiacGrand Prix3.1LV6N/A—
2003PontiacMontana——N/A—
2002BuickCentury3.1LV6N/A—
2002BuickRendezvous3.4LV6N/A—
2002ChevroletImpala3.4LV6N/A—
2002ChevroletMalibu——N/A—
2002ChevroletMonte Carlo3.4LV6N/A—
2002OldsmobileAlero3.4LV6N/A—
2002OldsmobileSilhouette——N/A—
2002PontiacAztek——N/A—
2002PontiacGrand Am3.4LV6N/A—
2002PontiacGrand Prix3.1LV6N/A—
2002PontiacMontana——N/A—
2001BuickCentury3.1LV6N/A—
2001BuickRegal3.8LV6N/A—
2001ChevroletImpala3.4LV6N/A—
2001ChevroletLumina3.1LV6N/A—
2001ChevroletMalibu——N/A—
2001ChevroletMonte Carlo3.4LV6N/A—
2001OldsmobileAlero3.4LV6N/A—
2001OldsmobileSilhouette——N/A—
2001PontiacAztek——N/A—
2001PontiacGrand Am3.4LV6N/A—
2001PontiacGrand Prix3.1LV6N/A—
2001PontiacMontana——N/A—
2000BuickCentury3.1LV6N/A—
2000ChevroletImpala3.4LV6N/A—
2000ChevroletLumina3.1LV6N/A—
2000ChevroletMalibu——N/A—
2000ChevroletMonte Carlo3.4LV6N/A—
2000OldsmobileAlero3.4LV6N/A—
2000OldsmobileSilhouette——N/A—
2000PontiacGrand Am——N/A—
2000PontiacGrand Prix3.1LV6N/A—
2000PontiacMontana——N/A—
1999BuickCentury3.1LV6N/A—
1999ChevroletLumina3.1LV6N/A—
1999ChevroletMalibu——N/A—
1999ChevroletMonte Carlo3.1LV6N/A—
1999OldsmobileAlero3.4LV6N/A—
1999OldsmobileCutlass——N/A—
1999OldsmobileSilhouette——N/A—
1999PontiacGrand Am——N/A—
1999PontiacGrand Prix3.1LV6N/A—
1999PontiacMontana——N/A—
1998BuickCentury3.1LV6N/A—
1998BuickSkylark3.1LV6N/A—
1998ChevroletLumina3.1LV6N/A—
1998ChevroletMalibu3.1LV6N/A—
1998ChevroletMonte Carlo3.1LV6N/A—
1998OldsmobileAchieva3.1LV6N/A—
1998OldsmobileCutlass——N/A—
1998OldsmobileSilhouette——N/A—
1998PontiacGrand Am3.1LV6N/A—
1998PontiacGrand Prix3.1LV6N/A—
1998PontiacTrans Sport——N/A—
1997BuickCentury3.1LV6N/A—
1997BuickSkylark3.1LV6N/A—
1997ChevroletLumina3.1LV6N/A—
1997ChevroletMalibu3.1LV6N/A—
1997ChevroletMonte Carlo3.1LV6N/A—
1997OldsmobileAchieva3.1LV6N/A—
1997OldsmobileCutlass——N/A—
1997OldsmobileCutlass Supreme——N/A—
1997OldsmobileSilhouette——N/A—
1997PontiacGrand Am3.1LV6N/A—
1997PontiacGrand Prix3.1LV6N/A—
1997PontiacTrans Sport——N/A—
1996BuickRegal3.1LV6N/A—
1996BuickSkylark3.1LV6N/A—
1996ChevroletCorsica3.1LV6N/A—
1996ChevroletLumina3.1LV6N/A—
1996ChevroletLumina APV3.4LV6N/A—
1996ChevroletMonte Carlo3.1LV6N/A—
1996OldsmobileAchieva3.1LV6N/A—
1996OldsmobileCutlass Ciera3.1LV6N/A—
1996OldsmobileCutlass Supreme3.1LV6N/A—
1996OldsmobileSilhouette——N/A—
1996PontiacGrand Am3.1LV6N/A—
1996PontiacGrand Prix3.1LV6N/A—
1996PontiacTrans Sport——N/A—
1995BuickRegal3.1LV6N/A—
1995BuickSkylark3.1LV6N/A—
1995ChevroletCorsica3.1LV6N/A—
1995ChevroletLumina3.1LV6N/A—
1995ChevroletLumina APV3.1LV6N/A—
1995ChevroletMonte Carlo3.1LV6N/A—
1995OldsmobileAchieva3.1LV6N/A—
1995OldsmobileCutlass Supreme3.1LV6N/A—
1995PontiacGrand Am3.1LV6N/A—
1995PontiacGrand Prix3.1LV6N/A—
1994BuickRegal3.1LV6N/A—
1994BuickSkylark3.1LV6N/A—
1994ChevroletCorsica3.1LV6N/A—
1994OldsmobileAchieva3.1LV6N/A—
1994OldsmobileCutlass Ciera3.1LV6N/A—
1994OldsmobileCutlass Supreme3.1LV6N/A—
1994PontiacGrand Am3.1LV6N/A—
1994PontiacGrand Prix3.1LV6N/A—
1993OldsmobileCutlass Supreme3.1LV6N/A—
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5S300271-3503748431013768319112978FLS38FLS107FLSA5S8113