Secondary Air & Smog Pump Costs
Analysis of 60,910 eBay listings for secondary air and smog pumps.
What you'll usually pay
💡 Used ones cost about 159% more here.
👉 In short easy summary
Value is found in new units and specific brands like BMW (-41%) and Bosch (-24%). Genuine OEM parts command a significant premium, trading at a 93% delta over the market median.
💚 Best value for your money
Price by brand
Why? Prices vary by manufacturer, with Dorman at 182.64 and BMW at 56.99.
Price by brand type
Why? Genuine OEM parts (185.91) are significantly more expensive than unbranded options (75.58).
Price by type
Why? Smog pumps (214.99) are priced much higher than standard secondary air pumps (87.08).
🛒 Some on sale right now
Common questions
What is the price difference between new and used pumps?
New pumps have a median price of 83.11, while used pumps are higher at 214.99.
Which brand offers the lowest median price?
BMW offers the lowest median price at 56.99.
How much more do Genuine OEM pumps cost compared to the market median?
Genuine OEM pumps have a median of 185.91, representing a 93% increase over the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $37–$362, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 12, 2026.