/live/media/SI/SI_AV71_Fro.jpg)
OE Quality
60-Day Returns
Standard IgnitionPart #: AV71
Standard Ignition AV71 Secondary Air Injection Pump Check Valve
12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$477.43Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Cadillac, DTS and Lucerne
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Secondary Air Injection Pump Check Valve options
Standard Ignition AV71 Secondary Air Injection Pump Check Valve
| Brand | Standard Ignition |
|---|---|
| Part Number | AV71 |
| Connector Shape | Square |
| Grade Type | O.e exact |
| Hose Size - Inches | 1 |
| Hose Size - mm | 24mm |
| Terminal Type | Blade |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Buick | Lucerne | 4.6L | V8 | N/A | Air Cleaner Check Valve |
| 2011 | Cadillac | DTS | N/A | Air Cleaner Check Valve | ||
| 2010 | Buick | Lucerne | 4.6L | V8 | N/A | Air Cleaner Check Valve |
| 2010 | Cadillac | DTS | N/A | Air Cleaner Check Valve | ||
| 2009 | Buick | Lucerne | 4.6L | V8 | N/A | Air Cleaner Check Valve |
| 2009 | Cadillac | DTS | N/A | Air Cleaner Check Valve | ||
| 2008 | Buick | Lucerne | 4.6L | V8 | N/A | Air Cleaner Check Valve |
| 2008 | Cadillac | DTS | N/A | Air Cleaner Check Valve | ||
| 2007 | Buick | Lucerne | 4.6L | V8 | N/A | Air Cleaner Check Valve |
| 2007 | Cadillac | DTS | N/A | Air Cleaner Check Valve | ||
| 2006 | Buick | Lucerne | 4.6L | V8 | N/A | Air Cleaner Check Valve |
| 2006 | Cadillac | DTS | N/A | Air Cleaner Check Valve |
* 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:
125760452-290049EC5070
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.