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Baldwin PA2109 Air Filter
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.
| Brand | Baldwin |
| Part Number | PA2109 |
| Fits | "GM Automotive, Light-Duty Trucks" |
| Height | 2 7/16 |
| Height (mm) | 61.9 |
| Inside Diameter 1 | 6 15/16 |
| Inside Diameter 1 (mm) | 176.2 |
| Outside Diameter 1 | 8 1/2 |
| Outside Diameter 1 (mm) | 215.9 |
| Replaces | GMC 25040881 |
This part fits 185 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1993 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1993 | GMC | Sonoma | 2.5L | L4 | N/A | |
| 1992 | Buick | Century | 2.5L | L4 | N/A | |
| 1992 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1992 | GMC | Sonoma | 2.5L | L4 | N/A | |
| 1992 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1992 | Oldsmobile | Cutlass Cruiser | 2.5L | L4 | N/A | OE Number : A785C |
| 1991 | Buick | Century | 2.5L | L4 | N/A | |
| 1991 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1991 | Chevrolet | Cavalier | 2.2L | L4 | N/A | |
| 1991 | Chevrolet | Corsica | 2.2L | L4 | N/A | |
| 1991 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1991 | GMC | Sonoma | 2.5L | L4 | N/A | |
| 1991 | Oldsmobile | Cutlass Calais | 2.5L | L4 | N/A | |
| 1991 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1991 | Pontiac | 6000 | 2.5L | L4 | N/A | OE Number : A785C |
| 1991 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1991 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1991 | Pontiac | Tempest | 2.2L | L4 | N/A | |
| 1990 | Buick | Century | 2.5L | L4 | N/A | |
| 1990 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1990 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1990 | Chevrolet | Cavalier | 2.2L | L4 | N/A | |
| 1990 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1990 | Chevrolet | Corsica | 2.2L | L4 | N/A | |
| 1990 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1990 | GMC | S15 | 2.5L | L4 | N/A | |
| 1990 | GMC | Safari | 2.5L | L4 | N/A | |
| 1990 | Oldsmobile | Cutlass Calais | 2.5L | L4 | N/A | |
| 1990 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1990 | Oldsmobile | Cutlass Cruiser | 2.5L | L4 | N/A | OE Number : A785C |
| 1990 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1990 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1990 | Pontiac | LeMans | 2.0L | L4 | N/A | |
| 1990 | Pontiac | Optima | 2.0L | L4 | N/A | OE Number : AF838 |
| 1990 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1990 | Pontiac | Tempest | 2.2L | L4 | N/A | |
| 1989 | Buick | Century | 2.5L | L4 | N/A | |
| 1989 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1989 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1989 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1989 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1989 | GMC | S15 | 2.5L | L4 | N/A | |
| 1989 | GMC | Safari | 2.5L | L4 | N/A | |
| 1989 | Oldsmobile | Cutlass Calais | 2.5L | L4 | N/A | |
| 1989 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | OE Number : A785C |
| 1989 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1989 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1989 | Pontiac | LeMans | 2.0L | L4 | N/A | |
| 1989 | Pontiac | Optima | 2.0L | L4 | N/A | OE Number : AF838 |
| 1989 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1988 | Buick | Century | 2.5L | L4 | N/A | |
| 1988 | Buick | Skyhawk | 2.0L | L4 | N/A | |
| 1988 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1988 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1988 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1988 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1988 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1988 | GMC | S15 | 2.5L | L4 | N/A | |
| 1988 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1988 | GMC | Safari | 2.5L | L4 | N/A | |
| 1988 | Oldsmobile | Cutlass Calais | 2.5L | L4 | N/A | |
| 1988 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1988 | Oldsmobile | Firenza | 2.0L | L4 | N/A | |
| 1988 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1988 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1988 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1988 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1987 | Buick | Century | 2.5L | L4 | N/A | |
| 1987 | Buick | Skyhawk | 2.0L | L4 | N/A | |
| 1987 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1987 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1987 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1987 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1987 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1987 | GMC | S15 | 2.5L | L4 | N/A | |
| 1987 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1987 | GMC | Safari | 2.5L | L4 | N/A | |
| 1987 | Oldsmobile | Calais | 2.5L | L4 | N/A | |
| 1987 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1987 | Oldsmobile | Firenza | 2.0L | L4 | N/A | |
| 1987 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1987 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1987 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1987 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1986 | Buick | Century | 2.5L | L4 | N/A | |
| 1986 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1986 | Buick | Skyhawk | 2.0L | L4 | N/A | |
| 1986 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1986 | Cadillac | Cimarron | 2.0L | L4 | N/A | |
| 1986 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1986 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1986 | Chevrolet | Cavalier | 2.0L | L4 | N/A | |
| 1986 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1986 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1986 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1986 | GMC | S15 | 2.5L | L4 | N/A | |
| 1986 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1986 | GMC | Safari | 2.5L | L4 | N/A | |
| 1986 | Oldsmobile | Calais | 2.5L | L4 | N/A | |
| 1986 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1986 | Oldsmobile | Firenza | 1.8L | L4 | N/A | |
| 1986 | Oldsmobile | Firenza | 2.0L | L4 | N/A | |
| 1986 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Sunbird | 1.8L | L4 | N/A | |
| 1986 | Pontiac | Sunbird | 2.0L | L4 | N/A | |
| 1985 | Buick | Century | 2.5L | L4 | N/A | |
| 1985 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1985 | Buick | Skyhawk | 2.0L | L4 | N/A | |
| 1985 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1985 | Cadillac | Cimarron | 2.0L | L4 | N/A | |
| 1985 | Chevrolet | Astro | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | Cavalier | 2.0L | L4 | N/A | |
| 1985 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | Citation II | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | S10 | 2.5L | L4 | N/A | |
| 1985 | Chevrolet | S10 Blazer | 2.5L | L4 | N/A | |
| 1985 | GMC | S15 | 2.5L | L4 | N/A | |
| 1985 | GMC | S15 Jimmy | 2.5L | L4 | N/A | |
| 1985 | GMC | Safari | 2.5L | L4 | N/A | |
| 1985 | Oldsmobile | Calais | 2.5L | L4 | N/A | |
| 1985 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1985 | Oldsmobile | Firenza | 1.8L | L4 | N/A | |
| 1985 | Oldsmobile | Firenza | 2.0L | L4 | N/A | |
| 1985 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1985 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1985 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1985 | Pontiac | Grand Am | 2.5L | L4 | N/A | |
| 1985 | Pontiac | J2000 Sunbird | 1.8L | L4 | N/A | |
| 1985 | Pontiac | J2000 Sunbird | 2.0L | L4 | N/A | |
| 1984 | Buick | Century | 2.5L | L4 | N/A | |
| 1984 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1984 | Buick | Skyhawk | 2.0L | L4 | N/A | |
| 1984 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1984 | Cadillac | Cimarron | 2.0L | L4 | N/A | |
| 1984 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1984 | Chevrolet | Cavalier | 2.0L | L4 | N/A | |
| 1984 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1984 | Chevrolet | Citation II | 2.5L | L4 | N/A | |
| 1984 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1984 | Oldsmobile | Firenza | 1.8L | L4 | N/A | |
| 1984 | Oldsmobile | Firenza | 2.0L | L4 | N/A | |
| 1984 | Oldsmobile | Omega | 2.5L | L4 | N/A | |
| 1984 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1984 | Pontiac | Fiero | 2.5L | L4 | N/A | |
| 1984 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1984 | Pontiac | J2000 Sunbird | 1.8L | L4 | N/A | |
| 1984 | Pontiac | J2000 Sunbird | 1.8L | L4 | N/A | OE Number : AF838 |
| 1984 | Pontiac | J2000 Sunbird | 2.0L | L4 | N/A | |
| 1984 | Pontiac | Phoenix | 2.5L | L4 | N/A | |
| 1983 | Buick | Century | 2.5L | L4 | N/A | |
| 1983 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1983 | Buick | Skyhawk | 2.0L | L4 | N/A | |
| 1983 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1983 | Cadillac | Cimarron | 2.0L | L4 | N/A | |
| 1983 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1983 | Chevrolet | Cavalier | 2.0L | L4 | N/A | |
| 1983 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1983 | Chevrolet | Citation | 2.5L | L4 | N/A | |
| 1983 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1983 | Oldsmobile | Firenza | 1.8L | L4 | N/A | |
| 1983 | Oldsmobile | Firenza | 2.0L | L4 | N/A | |
| 1983 | Oldsmobile | Omega | 2.5L | L4 | N/A | |
| 1983 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1983 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1983 | Pontiac | J2000 | 1.8L | L4 | N/A | |
| 1983 | Pontiac | J2000 | 2.0L | L4 | N/A | |
| 1983 | Pontiac | Phoenix | 2.5L | L4 | N/A | |
| 1982 | Buick | Century | 2.5L | L4 | N/A | |
| 1982 | Buick | Skyhawk | 1.8L | L4 | N/A | |
| 1982 | Buick | Skylark | 2.5L | L4 | N/A | |
| 1982 | Chevrolet | Camaro | 2.5L | L4 | N/A | |
| 1982 | Chevrolet | Celebrity | 2.5L | L4 | N/A | |
| 1982 | Chevrolet | Citation | 2.5L | L4 | N/A | |
| 1982 | Oldsmobile | Cutlass Ciera | 2.5L | L4 | N/A | |
| 1982 | Oldsmobile | Firenza | 1.8L | L4 | N/A | |
| 1982 | Oldsmobile | Omega | 2.5L | L4 | N/A | |
| 1982 | Pontiac | 6000 | 2.5L | L4 | N/A | |
| 1982 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1982 | Pontiac | J2000 | 1.8L | L4 | N/A | |
| 1982 | Pontiac | Phoenix | 2.5L | L4 | N/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.