Description
Comparison points and tradeoffs
When comparing GM Parts Genuine 12633750 Passenger Side Secondary Air Injection Shut-Off and Check Valve with other Vacuum Tee Connectors options, use this source-backed detail as the primary discriminator: OEM Part Number: 12633750.
Use this second fact to evaluate the tradeoff: GM-recommended replacement part for your GM vehicle’s original factory component. A third point to compare across alternatives is: Material: Metal.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Material | Metal |
|---|---|
| Brand | GM |
| Item dimensions L x W x H | 7.6 x 6.6 x 5.9 inches |
| Exterior Finish | Machined |
| Inlet Connection Type | Compression |
| Outlet Connection Type | Compression |
| Number of Ports | 2 |
| Valve Type | check valve |
| Global Trade Identification Number | 00707773853931 |
| Manufacturer | ACDelco |
| UPC | 707773853931 |
| Model | Air Injection Valve |
| Item Weight | 1.43 pounds |
| Product Dimensions | 7.6 x 6.6 x 5.9 inches |
| Item model number | 12633750 |
| Manufacturer Part Number | 12633750 |
| OEM Part Number | 12633750 |
ACDelco GM Original Equipment Secondary Air Injection Bypass Valve is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This original equipment valve will provide the same performance, durability, and service life you expect from General Motors.
Source product highlights
About this item
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function




Jeremy –
Product does not come with gasket but does come with two bolts. Fast and easy installation.
jm –
quality part. excellent delivery time.