Is onan 5500 oil filter profitable to sell on Amazon United States?

The niche generates $57K/yr across 12 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +32.4%. Flapen's verdict: Worth a look (56/100).

How competitive is the onan 5500 oil filter niche?

11 brands and 47 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in onan 5500 oil filter?

Top complaints mined from reviews: Filtration, Size-Overall. The return rate is 1.0%.

When does demand for onan 5500 oil filter peak?

Demand peaks in Apr–May–Jun–Jul; the busiest month runs 2.7× the quietest.

What does it cost to enter the onan 5500 oil filter niche?

Listings span $9.69–$48.79; the average listing price is $22.02 (sweet spot $15–$100). The average incumbent carries 336 reviews — the moat a new listing must climb.

onan 5500 oil filter

Worth a look

Shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible1.0%

return rate — above 5% kills the launch gate

Avg price

Great$22.02

avg listing price — sweet spot $15–$100

Conversion

Great10.2%

search→purchase rate — share of searches ending in a sale

Price range

Great$9.69–$48.79

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great336.08

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Growth

Good+32.4%

90-day search growth — must beat 0% to launch

Brand share

Okay77%

top-5 brand share — brands hold most of the demand

Competition

Bad75%

top-5 click share — a locked-up shelf

Market size

Bad$57K

$57K/yr · 26K searches

According to Flapen's Amazon United States niche tracking, onan 5500 oil filter is a $57K/yr Amazon United States market (26K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

onan 5500 oil filter market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $66K–$88K; units × avg price
Conversion rate: 10.2%
Avg BSR: #1,095
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 46 months
Avg seller age: 158 days

Competition & brand share

The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

17%

Cummins40%
RADHLBNIU13%
iFJF9%
Kanimp8%
ATRACYPART7%
AULDAY6%
Open — no brand owns it (5 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +32.4% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 2.7×

Open Trend

Top onan 5500 oil filter search terms

onan 5500 oil filter7K/yr +23.2%10.2% conv.
onan 122-0836 oil filter4K/yr +45.7%8.8% conv.
onan oil filter 122-08363K/yr +55.7%10.3% conv.
122-0836 onan oil filter4K/yr +60.6%13.2% conv.
onan oil filter3K/yr -8.0%1.5% conv.
onan generator oil filter2K/yr +10.9%3.0% conv.
122-08362K/yr +46.7%9.6% conv.

All search terms

Top onan 5500 oil filter products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CUMMINS NW Cummins Onan 122-0836 Oil Filter (Packaging May Vary)

Cummins$32.534.6★2,736 rev

RADHLBNIU 122-0836 Oil Filter Replacement For Cummins Onan RV Generator QG 5500/7000 Series HGJAC HGJAB HGJAA Replaces 01220836 PH10027 B7238 PH2875

RADHLBNIU$11.894.4★39 rev

iFJF 122-0836 Oil Filter Replacement for RV QG 5500/7000 Series HGJAA HGJAB HGJAC Spin-on Replaces 01220836 B7238 PH2875 PH10027

iFJF$9.694.7★550 rev

Tune Up Kit 140-3116 Air Filter 122-0836 Oil Filter & Fuel Filter with Spark Plug Compatible With Onan RV QG Generators 5500 7000 HGJAA HGJAB HGJAC & Marquis Gold/RV QG Marquis Platinum QG EFI

ATRACYPART$30.454.4★288 rev

Tune Up Kit 122-0836 Oil Filter 140-3116 Air Filter Fits for Onan RV QG 5500/7000 Marquis Gold/RV QG Marquis Platinum QG EF HGJAA HGJAB HGJAC

AULDAY$19.964.9★49 rev

Newest

by launch date

122-0836 Oil Filter Spin-on Replacement Fits Cummins Onan RV QG 5500/7000 Series HGJAA HGJAB HGJAC Replaces 01220836 B7238 PH2875 PH10027 (1 PCS)

Kanimp$9.9412 rev

8mo ago

122-0836 Oil Filter Spin-on Replacement Fits Cummins Onan RV QG 5500/7000 Series HGJAA HGJAB HGJAC Replaces 01220836 B7238 PH2875 PH10027 (2 PCS)

Kanimp$17.0512 rev

11mo ago

FLTRUCKTOP Filter Kit for Onan RV QG Generators 5500 7000

FLTRUCKTOP$48.7916 rev

11mo ago

4PCS 122-0836 Oil Filter Spin-on Fits for RV QG 5500/7000 Series HGJAA HGJAB HGJAC Replaces OE# 01220836 B7238 PH2875 PH10027

SEGULER$33.916 rev

1y ago

Tune Up Kit 122-0836 Oil Filter 140-3116 Air Filter Fits for Onan RV QG 5500/7000 Marquis Gold/RV QG Marquis Platinum QG EF HGJAA HGJAB HGJAC

AULDAY$19.9649 rev

2y ago

What buyers say about onan 5500 oil filter

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall28%

“Everything fit perfectly”

Quality-Overall19%

“Good quality and arrived 1 day ahead of time”

Value For Money17%

“Great value for the price”

Advertised Vs Actual Product14%

“Worked as advertised, no issues”

Filtration7%

“The oil filters match the oh nan generator exactly”

Ease Of Use6%

“Convenient, Practical, and Worth Having”

Correct Contents4%

“Perfect kit”

Maintenance And Repair2%

“It's a complete kit with everything you need to do routine maintenance”

What buyers complain about

Filtration44%

“Dont trust the fuel filter”

Size-Overall39%

“does not fit the one included with the kit”

Top return reasons

Size-Overall43%

Filtration14%

Compatibility-Overall11%

Defective Material/Parts9%

Advertised Vs Actual Product8%

Value For Money4%

Leak-Proof4%

Functionality-Overall4%

Quality-Overall2%

Rusts/Corrodes1%

Common questions

Is onan 5500 oil filter profitable to sell on Amazon United States?: The niche generates $57K/yr across 12 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +32.4%. Flapen's verdict: Worth a look (56/100).
How competitive is the onan 5500 oil filter niche?: 11 brands and 47 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in onan 5500 oil filter?: Top complaints mined from reviews: Filtration, Size-Overall. The return rate is 1.0%.
When does demand for onan 5500 oil filter peak?: Demand peaks in Apr–May–Jun–Jul; the busiest month runs 2.7× the quietest.
What does it cost to enter the onan 5500 oil filter niche?: Listings span $9.69–$48.79; the average listing price is $22.02 (sweet spot $15–$100). The average incumbent carries 336 reviews — the moat a new listing must climb.