HomeAir and Fuel Delivery > FiltersBaldwin PA2109 Air Filter
Part #: PA2109

Baldwin PA2109 Air Filter

⚙️ 185 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Buick, Oldsmobile, Pontiac, and Cadillac, LLV, S10, Sonoma, Century, Cutlass Ciera, Cutlass Cruiser, Skylark, Beretta, Cavalier, Corsica, Cutlass Calais, 6000, Grand Am, Sunbird, Tempest, Astro, Celebrity, S15, Safari, LeMans, Optima, Skyhawk, S10 Blazer, S15 Jimmy, Firenza, Fiero, Somerset, Calais, Cimarron, Camaro, Firebird, Somerset Regal, Citation II, J2000 Sunbird, Omega, Phoenix, Citation, and J2000
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Overview of Baldwin PA2109 Engine Air Filter

The Baldwin PA2109 engine air filter is designed for GM automotive light-duty trucks and a variety of GM passenger vehicles. This filter provides precise fitment and reliable filtration to help maintain engine performance and longevity.

  • Compatible with Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models
  • Replaces GMC part number 25040881
  • Height: 2 7/16 inches (61.9 mm)
  • Inside diameter: 6 15/16 inches (176.2 mm)
  • Outside diameter: 8 1/2 inches (215.9 mm)

Detailed Specifications and Fitment

The Baldwin PA2109 engine air filter is engineered to fit a wide range of GM vehicles, including models such as the Chevrolet Camaro, S10, and Astro, as well as Buick Century and Cadillac Calais. Its dimensions—2 7/16 inches in height, 6 15/16 inches inside diameter, and 8 1/2 inches outside diameter—ensure a secure and proper seal within the air intake system. This filter replaces the OEM GMC 25040881, making it a direct replacement for compatible GM light-duty trucks and passenger cars.

Applications and Problem Solving

  • Prevents engine damage caused by dirt and debris entering the air intake
  • Helps maintain optimal air flow for efficient combustion
  • Reduces engine wear and prolongs engine life
  • Improves fuel efficiency by ensuring clean air supply
  • Minimizes emissions by supporting proper air-fuel mixture

Installation Notes and Tips

When installing the Baldwin PA2109 engine air filter, ensure the air filter housing is clean and free of debris before placing the new filter. Verify the filter dimensions match the OEM specifications for your specific GM model. Properly seat the filter to avoid air leaks and secure the housing cover firmly. Regular inspection and replacement according to the vehicle manufacturer’s maintenance schedule will help maintain engine performance.

Quality Assurance and Warranty

Baldwin engine air filters are manufactured to meet or exceed OEM standards for filtration and durability. The PA2109 is constructed with high-quality filter media designed to capture contaminants effectively. While specific warranty details may vary, Baldwin products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandBaldwin
Part NumberPA2109
Fits"GM Automotive, Light-Duty Trucks"
Height2 7/16
Height (mm)61.9
Inside Diameter 16 15/16
Inside Diameter 1 (mm)176.2
Outside Diameter 18 1/2
Outside Diameter 1 (mm)215.9
ReplacesGMC 25040881

This part fits 185 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993ChevroletS102.5LL4N/A
1993GMCSonoma2.5LL4N/A
1992BuickCentury2.5LL4N/A
1992ChevroletS102.5LL4N/A
1992GMCSonoma2.5LL4N/A
1992OldsmobileCutlass Ciera2.5LL4N/A
1992OldsmobileCutlass Cruiser2.5LL4N/AOE Number : A785C
1991BuickCentury2.5LL4N/A
1991BuickSkylark2.5LL4N/A
1991ChevroletCavalier2.2LL4N/A
1991ChevroletCorsica2.2LL4N/A
1991ChevroletS102.5LL4N/A
1991GMCSonoma2.5LL4N/A
1991OldsmobileCutlass Calais2.5LL4N/A
1991OldsmobileCutlass Ciera2.5LL4N/A
1991Pontiac60002.5LL4N/AOE Number : A785C
1991PontiacGrand Am2.5LL4N/A
1991PontiacSunbird2.0LL4N/A
1991PontiacTempest2.2LL4N/A
1990BuickCentury2.5LL4N/A
1990BuickSkylark2.5LL4N/A
1990ChevroletAstro2.5LL4N/A
1990ChevroletCavalier2.2LL4N/A
1990ChevroletCelebrity2.5LL4N/A
1990ChevroletCorsica2.2LL4N/A
1990ChevroletS102.5LL4N/A
1990GMCS152.5LL4N/A
1990GMCSafari2.5LL4N/A
1990OldsmobileCutlass Calais2.5LL4N/A
1990OldsmobileCutlass Ciera2.5LL4N/A
1990OldsmobileCutlass Cruiser2.5LL4N/AOE Number : A785C
1990Pontiac60002.5LL4N/A
1990PontiacGrand Am2.5LL4N/A
1990PontiacLeMans2.0LL4N/A
1990PontiacOptima2.0LL4N/AOE Number : AF838
1990PontiacSunbird2.0LL4N/A
1990PontiacTempest2.2LL4N/A
1989BuickCentury2.5LL4N/A
1989BuickSkylark2.5LL4N/A
1989ChevroletAstro2.5LL4N/A
1989ChevroletCelebrity2.5LL4N/A
1989ChevroletS102.5LL4N/A
1989GMCS152.5LL4N/A
1989GMCSafari2.5LL4N/A
1989OldsmobileCutlass Calais2.5LL4N/A
1989OldsmobileCutlass Ciera2.5LL4N/AOE Number : A785C
1989Pontiac60002.5LL4N/A
1989PontiacGrand Am2.5LL4N/A
1989PontiacLeMans2.0LL4N/A
1989PontiacOptima2.0LL4N/AOE Number : AF838
1989PontiacSunbird2.0LL4N/A
1988BuickCentury2.5LL4N/A
1988BuickSkyhawk2.0LL4N/A
1988BuickSkylark2.5LL4N/A
1988ChevroletAstro2.5LL4N/A
1988ChevroletCelebrity2.5LL4N/A
1988ChevroletS102.5LL4N/A
1988ChevroletS10 Blazer2.5LL4N/A
1988GMCS152.5LL4N/A
1988GMCS15 Jimmy2.5LL4N/A
1988GMCSafari2.5LL4N/A
1988OldsmobileCutlass Calais2.5LL4N/A
1988OldsmobileCutlass Ciera2.5LL4N/A
1988OldsmobileFirenza2.0LL4N/A
1988Pontiac60002.5LL4N/A
1988PontiacFiero2.5LL4N/A
1988PontiacGrand Am2.5LL4N/A
1988PontiacSunbird2.0LL4N/A
1987BuickCentury2.5LL4N/A
1987BuickSkyhawk2.0LL4N/A
1987BuickSkylark2.5LL4N/A
1987ChevroletAstro2.5LL4N/A
1987ChevroletCelebrity2.5LL4N/A
1987ChevroletS102.5LL4N/A
1987ChevroletS10 Blazer2.5LL4N/A
1987GMCS152.5LL4N/A
1987GMCS15 Jimmy2.5LL4N/A
1987GMCSafari2.5LL4N/A
1987OldsmobileCalais2.5LL4N/A
1987OldsmobileCutlass Ciera2.5LL4N/A
1987OldsmobileFirenza2.0LL4N/A
1987Pontiac60002.5LL4N/A
1987PontiacFiero2.5LL4N/A
1987PontiacGrand Am2.5LL4N/A
1987PontiacSunbird2.0LL4N/A
1986BuickCentury2.5LL4N/A
1986BuickSkyhawk1.8LL4N/A
1986BuickSkyhawk2.0LL4N/A
1986BuickSkylark2.5LL4N/A
1986CadillacCimarron2.0LL4N/A
1986ChevroletAstro2.5LL4N/A
1986ChevroletCamaro2.5LL4N/A
1986ChevroletCavalier2.0LL4N/A
1986ChevroletCelebrity2.5LL4N/A
1986ChevroletS102.5LL4N/A
1986ChevroletS10 Blazer2.5LL4N/A
1986GMCS152.5LL4N/A
1986GMCS15 Jimmy2.5LL4N/A
1986GMCSafari2.5LL4N/A
1986OldsmobileCalais2.5LL4N/A
1986OldsmobileCutlass Ciera2.5LL4N/A
1986OldsmobileFirenza1.8LL4N/A
1986OldsmobileFirenza2.0LL4N/A
1986Pontiac60002.5LL4N/A
1986PontiacFiero2.5LL4N/A
1986PontiacFirebird2.5LL4N/A
1986PontiacGrand Am2.5LL4N/A
1986PontiacSunbird1.8LL4N/A
1986PontiacSunbird2.0LL4N/A
1985BuickCentury2.5LL4N/A
1985BuickSkyhawk1.8LL4N/A
1985BuickSkyhawk2.0LL4N/A
1985BuickSkylark2.5LL4N/A
1985CadillacCimarron2.0LL4N/A
1985ChevroletAstro2.5LL4N/A
1985ChevroletCamaro2.5LL4N/A
1985ChevroletCavalier2.0LL4N/A
1985ChevroletCelebrity2.5LL4N/A
1985ChevroletCitation II2.5LL4N/A
1985ChevroletS102.5LL4N/A
1985ChevroletS10 Blazer2.5LL4N/A
1985GMCS152.5LL4N/A
1985GMCS15 Jimmy2.5LL4N/A
1985GMCSafari2.5LL4N/A
1985OldsmobileCalais2.5LL4N/A
1985OldsmobileCutlass Ciera2.5LL4N/A
1985OldsmobileFirenza1.8LL4N/A
1985OldsmobileFirenza2.0LL4N/A
1985Pontiac60002.5LL4N/A
1985PontiacFiero2.5LL4N/A
1985PontiacFirebird2.5LL4N/A
1985PontiacGrand Am2.5LL4N/A
1985PontiacJ2000 Sunbird1.8LL4N/A
1985PontiacJ2000 Sunbird2.0LL4N/A
1984BuickCentury2.5LL4N/A
1984BuickSkyhawk1.8LL4N/A
1984BuickSkyhawk2.0LL4N/A
1984BuickSkylark2.5LL4N/A
1984CadillacCimarron2.0LL4N/A
1984ChevroletCamaro2.5LL4N/A
1984ChevroletCavalier2.0LL4N/A
1984ChevroletCelebrity2.5LL4N/A
1984ChevroletCitation II2.5LL4N/A
1984OldsmobileCutlass Ciera2.5LL4N/A
1984OldsmobileFirenza1.8LL4N/A
1984OldsmobileFirenza2.0LL4N/A
1984OldsmobileOmega2.5LL4N/A
1984Pontiac60002.5LL4N/A
1984PontiacFiero2.5LL4N/A
1984PontiacFirebird2.5LL4N/A
1984PontiacJ2000 Sunbird1.8LL4N/A
1984PontiacJ2000 Sunbird1.8LL4N/AOE Number : AF838
1984PontiacJ2000 Sunbird2.0LL4N/A
1984PontiacPhoenix2.5LL4N/A
1983BuickCentury2.5LL4N/A
1983BuickSkyhawk1.8LL4N/A
1983BuickSkyhawk2.0LL4N/A
1983BuickSkylark2.5LL4N/A
1983CadillacCimarron2.0LL4N/A
1983ChevroletCamaro2.5LL4N/A
1983ChevroletCavalier2.0LL4N/A
1983ChevroletCelebrity2.5LL4N/A
1983ChevroletCitation2.5LL4N/A
1983OldsmobileCutlass Ciera2.5LL4N/A
1983OldsmobileFirenza1.8LL4N/A
1983OldsmobileFirenza2.0LL4N/A
1983OldsmobileOmega2.5LL4N/A
1983Pontiac60002.5LL4N/A
1983PontiacFirebird2.5LL4N/A
1983PontiacJ20001.8LL4N/A
1983PontiacJ20002.0LL4N/A
1983PontiacPhoenix2.5LL4N/A
1982BuickCentury2.5LL4N/A
1982BuickSkyhawk1.8LL4N/A
1982BuickSkylark2.5LL4N/A
1982ChevroletCamaro2.5LL4N/A
1982ChevroletCelebrity2.5LL4N/A
1982ChevroletCitation2.5LL4N/A
1982OldsmobileCutlass Ciera2.5LL4N/A
1982OldsmobileFirenza1.8LL4N/A
1982OldsmobileOmega2.5LL4N/A
1982Pontiac60002.5LL4N/A
1982PontiacFirebird2.5LL4N/A
1982PontiacJ20001.8LL4N/A
1982PontiacPhoenix2.5LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.