O2 Sensor
PassO2 Sensor scores 67 out of 100, a Pass. Shoppers spend an estimated $3.5M a year here, demand is soft, at -15.5% this quarter, and an estimated 2.1% of orders come back.
- Flapen Score
- 67 / 100Top 2% of 7,287 Automotive niches · +18 vs the category median of 4967
- Market size
- $3.5M/yr3.9M searches / yr
- 90-day growth
- -15.5%search demand this quarter
- Competition
- 30%top-5 click share · 35 brands · 107 sellers
Flapen Score
O2 Sensor against its category
The dotted line is the Automotive average. Past it, O2 Sensor is stronger. Inside it, weaker.
Market
The O2 Sensor market on Amazon at a glance
Shoppers on Amazon United States searched for O2 Sensor 3.9M times last year and spent an estimated $3.5M. The top 5 brands take 50% of clicks. Flapen scores it 67 out of 100, a Pass.
01 · Demand
An estimated 2.5% of those searches ended in a purchase.
Shoppers searched for this 3.9M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.5% of those searches ended in a purchase. Searches in the last 90 days moved -15.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $3.5M a year.
- Searches, last 12 months
- 3.9M
- Growth, 90 days vs prior 90
- -15.5%
- Conversion, latest week
- 2.5%
- Market size, estimated
- $3.5Ma year
- Peak month
- March1.3× the quietest month
- Top search term
- o2 sensor1.2M searches a year
02 · Price
A sale here is worth $36.54.
Listings sell for $36.54 on average, from $9.70 to $70.11. Amazon reports units sold in ranges. This niche sold 100K to 125K a year. The average listing sells 1,500 to 2,000 of them. At $36.54 that is $55K to $73K a year per listing.
- Average price
- $36.54inside the $15 to $100 sweet spot
- Price range
- $9.70–$70.11
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 100K–125K
- Units per listing a year
- 1,500–2,000
- Revenue per listing a year
- $55K–$73K
- Returns
- 2.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
81% of listings pay for placement with sponsored ads. 99% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #217 within Sensors. It carries 6,805 reviews at 4.23 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 81%
- Prime listings
- 99%
- Out of stock, average day
- 0.0%
- Average rank
- #217in Sensors
- Average rating
- 4.23 starsAmazon United States average 4.42 stars
- Average reviews
- 6,805per listing
- Listings tracked
- 68
04 · Newcomers
1 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 44 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 44 months
Products
Top O2 Sensor products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 11, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Oxygen Sensor Upstream Downstream O2 2Pcs | Compatible with Ford F150 F250 Ranger Expedition Explorer Escape Mazda Tribute Lincoln & More Replace# 15717 15716 15664 ZZC318861
- Price
- $29.22
- Rating
- 4.3/5
- Reviews
- 2,644
- Age
- 6y ago

Oxygen O2 Sensor Upstream Downstream for Chry 300 for Dodge Challenger Charger Dakota Durango Grand Caravan Journey Neon Nitro for Jeep Commander Grand Cherokee Wrangler JK 56028994AA 56028994AB
- Price
- $47.53
- Rating
- 4.0/5
- Reviews
- 360
- Age
- 4y ago

ACAUTO 4Pcs 15717 Oxygen O2 Sensor Upstream Downstream Fit for Ford F-150 F250 F350 Ranger Escape Explorer Mustang Foucs Expedition Mazda Lincoln Jaguar Mercury Aston Martin 15716 15718
- Price
- $39.38
- Rating
- 4.3/5
- Reviews
- 234
- Age
- 2y ago

Denso Oxygen (O2) Sensor - 234-4622 (Fits Select Years of Lexus: ES300(h)/NX200t/NX300(h) Pontiac Vibe and Toyota: 4Runner/Avalon/Camry/Corolla/Matrix/Paseo/RAV4/Sienna/Solara/Tercel Vehicles)
- Price
- $52.07
- Rating
- 4.4/5
- Reviews
- 1,241
- Age
- 18y ago

Walker Products 350-34039 Oxygen Sensor 4-Wire Direct Fit (Original Equipment Replacement O2 Sensor)
- Price
- $28.05
- Rating
- 4.4/5
- Reviews
- 669
- Age
- 14y ago
Trending
estimated 90-day click momentum
Denso Oxygen (O2) Sensor - 234-4622 (Fits Select Years of Lexus: ES300(h)/NX200t/NX300(h) Pontiac Vibe and Toyota: 4Runner/Avalon/Camry/Corolla/Matrix/Paseo/RAV4/Sienna/Solara/Tercel Vehicles)
- Price
- $52.07
- Rating
- 4.4/5
- Reviews
- 1,241
- Age
- 18y ago

AdvanEX 234-4337 Oxygen O2 Sensor Upstream or Downstream Compatible with Buick Cadillac Chevrolet GMC Hammer Isuzu Oldsmobile Pontiac Saab Saturn Replaces 12578459 234-4087 2PCS
- Price
- $28.17
- Rating
- 4.1/5
- Reviews
- 31
- Age
- 1y ago

maXpeedingrods 4PCS Oxygen O2 Sensor Set Replaces 234-4668 Upstream & Downstream Compatible with Chevrolet Avalanche Silverado Tahoe with GMC Sierra Yukon Acadia with Buick Enclave Escalade
- Price
- $44.63
- Rating
- 4.1/5
- Reviews
- 228
- Age
- 2y ago

TAUTOY 234-4668 234-4256 O2 Oxygen Sensor Up Downstream 4Pcs for 2008-2014 Cadillac Escalade ESV for Chevrolet/Chevy Avalanche Silverado 1500 2500 3500 Suburban for Sierra Yukon 213-4229 213-3866
- Price
- $39.03
- Rating
- 4.2/5
- Reviews
- 150
- Age
- 2y ago

HTMXJA 4Pcs Upstream and Downstream Oxygen O2 Sensor for Edge 3.7L 3.5L 11-14 Explorer 3.5L 11-15 F-150 3.7L 11-14 Escape 3.0L 10-12 Fusion 3.0L 10-12 CX-9 3.7L 11-15 .OE#234-5038 234-4490
- Price
- $60.92
- Rating
- 3.8/5
- Reviews
- 51
- Age
- 1y ago
Newest
by launch date
AdvanEX 234-4337 Oxygen O2 Sensor Upstream or Downstream Compatible with Buick Cadillac Chevrolet GMC Hammer Isuzu Oldsmobile Pontiac Saab Saturn Replaces 12578459 234-4087 2PCS
- Price
- $28.17
- Rating
- 4.1/5
- Reviews
- 31
- Age
- 1y ago

HTMXJA 4Pcs Upstream and Downstream Oxygen O2 Sensor for Edge 3.7L 3.5L 11-14 Explorer 3.5L 11-15 F-150 3.7L 11-14 Escape 3.0L 10-12 Fusion 3.0L 10-12 CX-9 3.7L 11-15 .OE#234-5038 234-4490
- Price
- $60.92
- Rating
- 3.8/5
- Reviews
- 51
- Age
- 1y ago

DriveFix Upstream and Downstream Oxygen Sensor Set for Lexus ES300 GX470 ES350 LX570 for Toyota Camry Avalon RAV4 Solara 4Runner Sequoia Tacoma Tundra Land Cruiser Matrix
- Price
- $50.33
- Rating
- 3.2/5
- Reviews
- 41
- Age
- 1y ago

HTMXJA 2Pcs Upstream and Downstream Oxygen O2 Sensor for 2012-2016 Accent Rio Vel0ster and Soul L4-2.4L OE#234-5055 234-4568
- Price
- $34.03
- Rating
- 4.4/5
- Reviews
- 107
- Age
- 1y ago

maXpeedingrods 4PCS Oxygen O2 Sensor Set Replaces 234-4668 Upstream & Downstream Compatible with Chevrolet Avalanche Silverado Tahoe with GMC Sierra Yukon Acadia with Buick Enclave Escalade
- Price
- $44.63
- Rating
- 4.1/5
- Reviews
- 228
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 30% of clicks, no more. An open shelf where new products get seen.
Brands
35 falling
Sellers
107
Est. top-5 brand share
50%
Top 20: 88%
Est. top-5 click share
30%
Top 20: 56%
Open market
44%
- Gledewen13%
- Denso12%
- Bosch10%
- ACAUTO8%
- BLPextrm7%
- A-Premium6%
Demand
O2 Sensor search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top O2 Sensor search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- o2 sensor1.2M/yr
- oxygen sensor930K/yr
- 02 sensor439K/yr
- sensor de oxgeno209K/yr
- upstream o2 sensor132K/yr
- automotive replacement oxygen sensors84K/yr
- downstream o2 sensor92K/yr
- o2 sensor upstream117K/yr
- sensor de oxigeno bank 1 sensor 282K/yr
- sensores de oxgeno71K/yr
Reviews and returns
What reviews say buyers love and hate about O2 Sensor
We read the reviews and the return reasons for every product selling here.
“NOT ACCURATE”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common O2 Sensor questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









