onan generator oil
Skip it26/100a concentrated shelf (top 5 take 100% of clicks) — onan generator oil doesn't clear our bar today.
Market/yr
$41K
Growth (1y)
+39.1%
Products
4
Brands
2
was 3 a year ago
Sellers
33
Price range
$16.24–$53.83
Returns
0.5%
Rating
4.8★
Skip it
Scored 26/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 58 weeks — +39.1% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 2.7×
Competition
- Cummins93%
- RV Wholesale Direct7%
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack. 2 brands and 33 sellers compete here.
Brands
2 falling
was 3 a year ago
Sellers
33
Top 5 brand share
100%
Product shelf
All 4 tracked products in this niche.

Onan OnaMax SAE 15W-40 Engine Oil 32 oz.
Cummins
$16.244.8★1,058 reviews

Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart (Quantity 3)
Cummins
$45.144.9★212 reviews

OnaMax SAE10W-30 - (A063E183) (2)
RV Wholesale Direct
$53.834.8★18 reviews

Cummins 3265336 Onan SAE 15W-40 Oil - 1 Quart Quantity 2
Cummins
$28.634.8★309 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Top quality”
“Great price”
“Perfect quantity”
“Using the manufacturer-recommended oil just makes sense”
“High-quality makes my generator run really good”
“Exactly what I needed”
What buyers complain about
Top return reasons
- Leak-Proof46%
- Assembly/Installation15%
- Lubrication15%
- Maintenance And Repair8%
- Advertised Vs Actual Product8%
- Value For Money8%