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Wix 42821 Air Filter
| Brand | Wix 42821 |
|---|---|
| Class | D |
| Duty Type | LD |
| Height | 1.600 |
| Inner Diameter Top | Closed |
| Length | 9.410 |
| Media Material | Cellulose |
| Style | Air Filter Panel |
| Width | 7.140 |
| Fits | Cadillac and Chevrolet · 7 vehicles |
OEM service intervals. Recommended for standard air filter change intervals.
Enhanced cellulose media. Provides durability against moisture ingestion.
Panel air filter. Built for dependable engine protection in demanding conditions.
Cross-references ACDelco A2945C, Autopart International 5000202744 and Baldwin PA10297 for the same application. See all 20.
Engine Air Filter for Select GM Performance Models
The Wix 42821 engine air filter is a panel-style replacement built for select Cadillac XLR and Chevrolet Corvette applications. It uses cellulose filter media and a closed-top design to support clean airflow and engine protection in normal commuting, stop-and-go traffic, short trips, dirt roads, and other demanding driving conditions.
Key Features
- Panel-style engine air filter for air intake service
- Cellulose media with phenolic resin treatment for added moisture resistance
- 30% more media than comparable OES filters, based on manufacturer specification
- High-tear strength polyurethane seal for hot and cold temperature exposure where applicable
- Laboratory tested to ISO 5011 standards with at least 99.5% efficiency, based on Wix 42389
- Direct replacement part number: Wix 42821
Detailed Description
Wix 42821 is an engine air filter designed for OEM-style service intervals and consistent filtration performance. Its enhanced cellulose media is treated with phenolic resin to improve durability against moisture ingestion, while the panel construction and closed top support proper fitment in the airbox. This filter is listed for 2005-2007 Chevrolet Corvette and 2006-2009 Cadillac XLR applications, making it a practical service part for owners maintaining these GM performance vehicles. This part cross-references FRAM CA11003 for the same application.
What It Helps Address
- Restricted airflow caused by a dirty or loaded air filter
- Dust and debris entering the intake system
- Moisture-related filter breakdown in harsh driving conditions
- Reduced filtration performance during stop-and-go or short-trip use
- Routine air filter service on Chevrolet Corvette and Cadillac XLR models
Installation Notes and Tips
Verify airbox dimensions before installation and compare the old filter to the Wix 42821 panel filter. Replace the filter at the manufacturer-recommended interval or sooner if driving conditions include dust, construction zones, or frequent short trips. Confirm fitment for 2005-2007 Chevrolet Corvette and 2006-2009 Cadillac XLR before ordering.
Quality Assurance
Wix states this filter is recommended for OEM air filter change intervals and tested to ISO 5011 efficiency standards. The construction includes moisture-resistant treated media and a polyurethane seal where applicable to support durability across temperature extremes.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Cadillac | XLR | V | 4.4L | V8 | N/A | — |
| 2008 | Cadillac | XLR | V | 4.4L | V8 | N/A | — |
| 2007 | Cadillac | XLR | V | 4.4L | V8 | N/A | — |
| 2007 | Chevrolet | Corvette | — | 6.0L | V8 | N/A | — |
| 2006 | Cadillac | XLR | V | 4.4L | V8 | N/A | — |
| 2006 | Chevrolet | Corvette | — | 6.0L | V8 | N/A | — |
| 2005 | Chevrolet | Corvette | — | 6.0L | V8 | N/A | — |
| No rows match your filter. | |||||||