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Standard Ignition AIP21 Secondary Air Injection Pump
| Brand | Standard Ignition AIP21 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Contents | Pump diaphragm |
| Hose Connector Quantity | 2 |
| Hose Size - Inches | 1", 3/4" |
| Hose Size - mm | Refer to inches |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade |
| Fits | Buick and Pontiac · 8 vehicles |
Direct replacement. Matches the original pump design for straightforward installation.
Oval connector. Uses a female connector with two blade terminals for secure hookup.
Pump diaphragm. Includes the diaphragm component for air injection system service.
Cross-references Dayco AP31, Dorman - OE Solutions 306-010 and 2-28521 for the same application. See all 8.
Secondary Air Injection Pump for Emissions Repair
Standard Ignition AIP21 is a secondary air injection pump component for emission control service. It is built with a female oval connector, a single connector interface, and blade-style male terminals for the electrical connection, along with hose connections sized at 1 in. and 3/4 in. This pump diaphragm assembly is used in California-emissions applications on select Buick and Pontiac models.
Key Features
- Secondary air injection pump component for emission control systems
- Female oval connector with one connector interface
- Male blade terminals with two terminal contacts
- Two hose connections sized at 1 in. and 3/4 in.
- Includes pump diaphragm content as listed
- Standard Ignition AIP21 replacement part
Detailed Description
Standard Ignition AIP21 is a secondary air injection pump part used in air injection system service for vehicles equipped with California emissions. It is listed for 2007-2009 Buick Allure, 2007-2009 Buick LaCrosse, and 2007-2008 Pontiac Grand Prix. For buyers searching for a 2007-2009 Buick LaCrosse secondary air injection pump or a 2007-2008 Pontiac Grand Prix emissions repair part, AIP21 provides the specified connector and hose configuration needed for the application. This part cross-references Dorman - OE Solutions 306-010 for the same application.
What It Helps Repair
- Secondary air injection pump failure codes
- Insufficient air delivery during cold-start emissions operation
- Emissions test failures related to the air injection system
- Connector or terminal mismatch during pump replacement
- Hose connection issues on California-emissions vehicles
Installation Notes and Tips
Verify the vehicle is equipped with California emissions before ordering. Match the connector shape, terminal style, and hose sizes to the original part before installation. Confirm fitment by year, make, and model for Buick Allure, Buick LaCrosse, or Pontiac Grand Prix applications, and inspect the surrounding air injection plumbing for wear or blockage during service.
Quality Assurance
Standard Ignition is a recognized aftermarket brand for electrical and emissions-related replacement parts. AIP21 is cataloged to the listed OE-style application details and interchange references for fitment verification.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Buick | Allure | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2009 | Buick | LaCrosse | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2008 | Buick | Allure | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2008 | Buick | LaCrosse | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2008 | Pontiac | Grand Prix | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2007 | Buick | Allure | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2007 | Buick | LaCrosse | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
| 2007 | Pontiac | Grand Prix | 3.8L | V6 | N/A | Fits vehicles equipped with California emissions. |
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