Holstein 2MAP4003 Manifold Absolute Pressure Sensor - Supercharger
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 Holstein Parts

Holstein 2MAP4003 Manifold Absolute Pressure Sensor - Supercharger

Brand Holstein 2MAP4003
Position Supercharger
Product line Holstein Parts
Fits Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 31 vehicles

Direct-fit sensor. A manifold absolute pressure sensor for straightforward replacement.

Measures intake manifold pressure for precise engine management.

Cross-references Standard Ignition AS304, 5S2407 and 2131639 for the same application. See all 7.

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Holstein MAP Sensor for Select GM Applications

Holstein Parts 2MAP4003 is a manifold absolute pressure sensor for select Chevrolet, Cadillac, Buick, Pontiac, and Oldsmobile applications. It provides the pressure signal the engine control system uses to manage fuel delivery and load calculations, making it a direct-fit service part for specific GM vehicles.

Key Features

  • Manifold Absolute Pressure Sensor for emission control and engine management systems
  • Holstein Parts product line replacement for select GM applications
  • Fits supercharger inlet locations on 2006-2009 Cadillac STS and XLR
  • Direct application coverage for 2004-2005 Buick, Chevrolet, Pontiac, and Oldsmobile models
  • Cross-references Standard Ignition AS304 and OE-style numbers including 5S2407 and 2131639

Application Details

Holstein Parts 2MAP4003 is used to monitor manifold pressure so the engine control module can respond to changing load conditions. This MAP sensor fits 2008-2012 Chevrolet Chevy, N/A; fits 2006-2009 Cadillac STS, Supercharger; fits 2006-2009 Cadillac XLR, Supercharger; and fits 2004-2005 Buick, Chevrolet, Pontiac, and Oldsmobile models listed in the fitment data. It also cross-references Standard Ignition AS304 for the same application.

Common Issues This Part Can Address

  • Faulty manifold pressure signal causing drivability concerns
  • Check engine light related to MAP sensor circuit faults
  • Incorrect fuel trim or load calculation from a failing sensor
  • Rough idle or hesitation tied to inaccurate intake pressure readings
  • Service replacement for a damaged or contaminated MAP sensor

Installation Notes

Verify the connector style, mounting location, and engine application before installation. For supercharged Cadillac STS and XLR models, confirm the inlet position shown in the fitment data. Compare the original part number and vehicle year carefully, especially on 2004-2005 models with second-design notes.

Quality Assurance

Holstein Parts 2MAP4003 is built as a replacement sensor for the listed applications and is supported by the brand’s OE-style parts catalog coverage. Confirm fitment against the vehicle’s original MAP sensor configuration before service.

Related reading

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2012ChevroletChevy—1.6LL4N/AHolstein Parts
2011ChevroletChevy—1.6LL4N/AHolstein Parts
2010ChevroletChevy—1.6LL4N/AHolstein Parts
2009CadillacSTS—4.4LV8SuperchargerInlet; Holstein Parts
2009CadillacXLR—4.4LV8SuperchargerInlet; Holstein Parts
2009ChevroletChevy—1.6LL4N/AHolstein Parts
2008CadillacSTS—4.4LV8SuperchargerInlet; Holstein Parts
2008CadillacXLR—4.4LV8SuperchargerInlet; Holstein Parts
2008ChevroletChevy—1.6LL4N/AHolstein Parts
2007CadillacSTS—4.4LV8SuperchargerInlet; Holstein Parts
2007CadillacXLR—4.4LV8SuperchargerInlet; Holstein Parts
2006CadillacSTS—4.4LV8SuperchargerInlet; Holstein Parts
2006CadillacXLR—4.4LV8SuperchargerInlet; Holstein Parts
2005BuickCentury—3.1LV6N/AHolstein Parts
2005BuickRendezvous—3.4LV6N/AHolstein Parts
2005ChevroletImpala—3.4LV6N/AHolstein Parts
2005ChevroletMonte Carlo—3.4LV6N/AHolstein Parts
2005ChevroletVentureFWD3.4LV6N/AHolstein Parts
2005PontiacAztek—3.4LV6N/AHolstein Parts
2005PontiacGrand Am—3.4LV6N/AHolstein Parts
2005PontiacMontana—3.4LV6N/AHolstein Parts
2004BuickCentury—3.1LV6N/ASecond Design; Holstein Parts
2004BuickRendezvous—3.4LV6N/A2nd Design; Holstein Parts
2004ChevroletImpala—3.4LV6N/ASecond Design; Holstein Parts
2004ChevroletMonte Carlo—3.4LV6N/ASecond Design; Holstein Parts
2004ChevroletVenture—3.4LV6N/A2nd Design; Holstein Parts
2004OldsmobileAlero—3.4LV6N/A2nd Design; Holstein Parts
2004OldsmobileSilhouette—3.4LV6N/A2nd Design; Holstein Parts
2004PontiacAztek—3.4LV6N/A2nd Design; Holstein Parts
2004PontiacGrand Am—3.4LV6N/A2nd Design; Holstein Parts
2004PontiacMontana—3.4LV6N/A2nd Design; Holstein Parts
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — AS3045S240721316391258116712615135EC1784MA0096