Oil Cap
MaybeThe top 5 products take only 22% of clicks. But demand is soft, at -15.6% this quarter, so Oil Cap is a Maybe.
- Flapen Score
- 53 / 100Top 31% of 7,287 Automotive niches · +4 vs the category median of 4953
- Market size
- $97K/yr218K searches / yr
- 90-day growth
- -15.6%search demand this quarter
- Competition
- 22%top-5 click share · 37 brands · 132 sellers
Flapen Score
Oil Cap against its category
The dotted line is the Automotive average. Past it, Oil Cap is stronger. Inside it, weaker.
Market
The Oil Cap market on Amazon at a glance
Shoppers on Amazon United States searched for Oil Cap 218K times last year and spent an estimated $97K. The top 5 brands take 56% of clicks. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 4.3% of those searches ended in a purchase.
Shoppers searched for this 218K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.3% of those searches ended in a purchase. Searches in the last 90 days moved -15.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $97K a year.
- Searches, last 12 months
- 218K
- Growth, 90 days vs prior 90
- -15.6%
- Conversion, latest week
- 4.3%
- Market size, estimated
- $97Ka year
- Peak month
- March1.3× the quietest month
- Top search term
- oil cap94K searches a year
02 · Price
A sale here is worth $10.35.
Listings sell for $10.35 on average, from $5.50 to $20.70. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 0 to 100 of them. At $10.35 that is $0 to $1K a year per listing.
- Average price
- $10.35under the $15 to $100 sweet spot
- Price range
- $5.50–$20.70
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$1K
- Returns
- 3.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
61% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.6% of listings are out of stock. The average listing ranks #1,601 within Caps. It carries 187 reviews at 4.29 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 61%
- Prime listings
- 100%
- Out of stock, average day
- 0.6%
- Average rank
- #1,601in Caps
- Average rating
- 4.29 starsAmazon United States average 4.42 stars
- Average reviews
- 187per listing
- Listings tracked
- 96
04 · Newcomers
1 of last year's 15 launches cleared the first-year sales bar.
15 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 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 15
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top Oil Cap 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 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
KUQUTIDY Engine Oil Filler Cap Replacement Compatible with GM 1992-2018 1994-2011 Chevrolet GMC Cadillac Buick Oldsmobile Pontiac Hummer Saab Isuzu Repalce FC208 12573337
- Price
- $9.02
- Rating
- 3.6/5
- Reviews
- 67
- Age
- 9mo ago

Engine Oil Filler Cap for Dodge Ram Jeep Chrysler 1997-2003 Ram 1500 2500 3500 Wrangler Cherokee Caravan Dakota Durango Intrepid Neon Stratus Concorde PT Cruiser 53010654AA 04648831AA
- Price
- $7.45
- Rating
- 4.6/5
- Reviews
- 70
- Age
- 1y ago

KoiLuvGo Engine Oil Filler Cap Replacement Compatible with GM 1992-2018 1994-2011 Chevrolet GMC Cadillac Buick Oldsmobile Pontiac Hummer Saab Isuzu Replaces OEM #FC208 12573337
- Price
- $9.07
- Rating
- 2.5/5
- Reviews
- 15
- Age
- 4mo ago

ACDelco GM Original Equipment FC219 (12589430) Engine Oil Filler Cap
- Price
- $14.89
- Rating
- 4.7/5
- Reviews
- 1,414
- Age
- 20y ago

ACDelco GM Original Equipment FC208 (12573337) Engine Oil Filler Cap
- Price
- $10.77
- Rating
- 4.7/5
- Reviews
- 1,496
- Age
- 20y ago
Trending
estimated 90-day click momentum
ESWW Engine Oil Filler Cap Replacement Durable Oil Fill Cap for Secure Sealing Leak-Proof Tight Fit Design with Identification Pattern Replaces OEM 06K103485A Compatible with VW Audi
- Price
- $7.16
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 6mo ago

KoiLuvGo Engine Oil Filler Cap Replacement Compatible with GM 1992-2018 1994-2011 Chevrolet GMC Cadillac Buick Oldsmobile Pontiac Hummer Saab Isuzu Replaces OEM #FC208 12573337
- Price
- $9.07
- Rating
- 2.5/5
- Reviews
- 15
- Age
- 4mo ago

WZP OD 2/50.8mm Oil Filler Cap Aluminum Alloy Weld Billet On Filler Neck Cap Oil Universal Replacement for Oil Fuel Water Tank (Black)
- Price
- $8.32
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

Engine Oil Filler Cap for Dodge Ram Jeep Chrysler 1997-2003 Ram 1500 2500 3500 Wrangler Cherokee Caravan Dakota Durango Intrepid Neon Stratus Concorde PT Cruiser 53010654AA 04648831AA
- Price
- $7.45
- Rating
- 4.6/5
- Reviews
- 70
- Age
- 1y ago

KUQUTIDY Engine Oil Filler Cap Replacement Compatible with GM 1992-2018 1994-2011 Chevrolet GMC Cadillac Buick Oldsmobile Pontiac Hummer Saab Isuzu Repalce FC208 12573337
- Price
- $9.02
- Rating
- 3.6/5
- Reviews
- 67
- Age
- 9mo ago
Newest
by launch date
KoiLuvGo Engine Oil Filler Cap Replacement Compatible with GM 1992-2018 1994-2011 Chevrolet GMC Cadillac Buick Oldsmobile Pontiac Hummer Saab Isuzu Replaces OEM #FC208 12573337
- Price
- $9.07
- Rating
- 2.5/5
- Reviews
- 15
- Age
- 4mo ago

ESWW Engine Oil Filler Cap Replacement Durable Oil Fill Cap for Secure Sealing Leak-Proof Tight Fit Design with Identification Pattern Replaces OEM 06K103485A Compatible with VW Audi
- Price
- $7.16
- Rating
- 1.0/5
- Reviews
- 1
- Age
- 6mo ago

WZP OD 2/50.8mm Oil Filler Cap Aluminum Alloy Weld Billet On Filler Neck Cap Oil Universal Replacement for Oil Fuel Water Tank (Black)
- Price
- $8.32
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago

KUQUTIDY Engine Oil Filler Cap Replacement Compatible with GM 1992-2018 1994-2011 Chevrolet GMC Cadillac Buick Oldsmobile Pontiac Hummer Saab Isuzu Repalce FC208 12573337
- Price
- $9.02
- Rating
- 3.6/5
- Reviews
- 67
- Age
- 9mo ago

Engine Oil Filler Cap for Dodge Ram Jeep Chrysler 1997-2003 Ram 1500 2500 3500 Wrangler Cherokee Caravan Dakota Durango Intrepid Neon Stratus Concorde PT Cruiser 53010654AA 04648831AA
- Price
- $7.45
- Rating
- 4.6/5
- Reviews
- 70
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 22% of clicks, no more. An open shelf where new products get seen.
Brands
37 falling
Sellers
132
Est. top-5 brand share
56%
Top 20: 89%
Est. top-5 click share
22%
Top 20: 48%
Open market
39%
- Manymiba24%
- ACDelco12%
- KUQUTIDY9%
- MotoRad7%
- A-Premium5%
- Anleecap5%
Demand
Oil Cap search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Oil Cap search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- oil cap94K/yr
- oil filler cap33K/yr
- oil cap replacement32K/yr
- engine oil cap15K/yr
- oil fill cap11K/yr
- tapa de aceite de motor6K/yr
- oil cap gasket5K/yr
- engine oil filler cap5K/yr
- automotive replacement oil filler caps5K/yr
- engine oil cap replacement4K/yr
Reviews and returns
What reviews say buyers love and hate about Oil Cap
We read the reviews and the return reasons for every product selling here.
“it doesnt fit my Car”
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.
18 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 Oil Cap 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









