p621725
Worth a lookShows a thin review moat (17 avg reviews), but soft demand (-11.3% this quarter) keeps it on the watch list.
Review moat
Incredible17.43avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.2%return rate — above 6% kills the launch gate
Avg price
Great$56.75avg listing price — sweet spot $15–$100
Conversion
Great10.2%search→purchase rate — share of searches ending in a sale
Brand share
Good61%top-5 brand share — brands hold most of the demand
Price range
Good$24.06–$139.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$90K$90K/yr · 15K searches
Growth
Bad-11.3%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.Brands
18 rising
Sellers
20
Top-5 brand share
61%
Open market
34%
- SOKAKOSC24%
- Delorin12%
- Pnkauto9%
- ZHMUYAOJY8%
- LEVANLIGHT8%
- muge racing6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
P621725 Engine Air Filter Fit for Kenworth T680 T880 Peterbilt 567 579 Replaces LAF6725 P637453 PA32000 WA11058 501058
SOKAKOSC$55.984.7★137 rev
Delorin P621725 Air Filter Compatible with Kenworth T680 T880 Peterbilt 567 579 Models Replaces LAF6725 P637453 PA32000 WA11058 501058
Delorin$55.264.9★10 rev
P621725 Engine Air Filter Compatible With Kenworth T680 T880 Peterbilt 567 579 Replace# P637453 PA32000 LAF6725 WA11058 501058
LEVANLIGHT$59.724.8★8 rev
P621725 Engine Air Filter for 15-20 Kenworth T680/T880 15-20 Peterbilt 567/579 Compatible with Kenworth T680/T880 Peterbilt 567/569 Engine Paccar MX13/MX11 CUM-MINS X15 Replaces LAF6725
ZHMUYAOJY$139.794.5★13 rev
P621725 Engine Air Filter Fit for Kenworth T680 T880 Peterbilt 567 579 Replaces LAF6725 P637453 PA32000 WA11058 501058
muge racing$54.673.8★6 rev
Newest
by launch dateP621725 Engine Air Filter for 15-20 Kenworth T680/T880 15-20 Peterbilt 567/579 Compatible with Kenworth T680/T880 Peterbilt 567/569 Engine Paccar MX13/MX11 CUM-MINS X15 Replaces LAF6725
ZHMUYAOJY$139.7913 rev
P621725 Engine Air Filter Compatible With Ken-worth T680 T880 Replacement for P621725 PA32000 P637453 LAF6725 P637453
Bounprem$35.065 rev
P621725 Engine Air Filters Compatible With Kenworth T680 T880 Peterbilt 567 579 Paccar MX-11 MX-13 Engines Replacement LAF6725 P637453 PA32000 WA11058 501058
Tygeacen$54.681 rev
P621725 Engine Air Filter Fit for Kenworth T680 T880 Peterbilt 567 579 Replaces P637453 PA32000 LAF6725 WA11058 501058 1 PCS
MYLSAUTO$54.813 rev
P621725 Engine Air Filter Fit for Kenworth T680 T880 Peterbilt 567 579 can be replaced with LAF6725 P637453 PA32000 WA11058 501058 (1 PCS blue)
Generic$42.830 rev
Trending
90-day click momentum
Upgraded Engine Air Filter for Kenworth T680/T880 Peterbilt 567/579 Replaces # P621725 LAF6725 P637453 PA32000 WA11058 501058 (White)
Pnkauto$48.353.5★
Upgrade Engine Air Filter for Kenworth T680/T880 Peterbilt 567/579 Replaces # P621725 LAF6725 P637453 PA32000 WA11058 501058 (Yellow)
Pnkauto$50.654.3★
P621725 Engine Air Filter for 15-20 Kenworth T680/T880 15-20 Peterbilt 567/579 Compatible with Kenworth T680/T880 Peterbilt 567/569 Engine Paccar MX13/MX11 CUM-MINS X15 Replaces LAF6725
ZHMUYAOJY$139.794.5★
P621725 Engine Air Filter Fit for Kenworth T680 T880 Peterbilt 567 579 can be replaced with LAF6725 P637453 PA32000 WA11058 501058 (1 PCS blue)
Generic$42.830.0★
Upgraded Engine Air Filter for Kenworth T680/T880 Peterbilt 567/579 Replaces #P621725 LAF6725 P637453 PA32000 WA11058 501058 (Blue)
Pnkauto$52.084.3★
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — -11.3% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 2.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent fit”
“Im very satisfied with the performance”
“Definitely worth it”
“Air filter good”
“It work's grate”
“Was easy to install”
What buyers complain about
“DO NOT BUY THIS FILTER”