lf3970
Worth a lookShows searches that convert (16.5% search→purchase), but brand-locked demand (top 5 brands take 93% of clicks) keeps it on the watch list.
Conversion
Incredible16.5%search→purchase rate — share of searches ending in a sale
Review moat
Incredible72.21avg incumbent reviews — the moat a new listing must climb
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Great$46.70avg listing price — sweet spot $15–$100
Price range
Good$19.68–$154.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+25.0%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay$101K$101K/yr · 13K searches
Competition
Bad74%top-5 click share — a locked-up shelf
Brand share
Bad93%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, lf3970 is a $101K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
lf3970 market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $93K–$117K
- units × avg price
- Conversion rate
- 16.5%
- Avg BSR
- #1,468
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 64%
- Out of stock
- 5.3%
- Avg brand age
- 42 months
- Avg seller age
- 166 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 rising
Sellers
34
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
4%
- Fleetguard66%
- ATRACYPART15%
- EMINENTGLOW6%
- GETOPAUTO4%
- PEIYAOTCO3%
- CFKIT3%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 97 weeks — +25.0% search growth over the last 90 days.Peak months: Apr · busiest ÷ quietest = 2.1×
Top lf3970 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.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fleetguard Oil Filter LF3970 Cummins ISB Engine (Pack of 2)
Fleetguard$33.554.7★309 rev
Fleetguard LF3970 Cummins Filtration Oil Filter 1-Pack
Fleetguard$19.744.6★440 rev
LF3970 Fleetguard Lube Filter (Pack of 4)
Fleetguard$63.954.5★21 rev
LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (6 Pack)
ATRACYPART$49.594.6★58 rev
LF3970 Oil/Lube Filter Compatible With Replaces Cummins QSB 5.9L 6.7L ISB Engine Replaces P550428 P551019 3937736 3937144 B7177 Set Of 6
EMINENTGLOW$50.665.0★1 rev
Newest
by launch dateLF3970 Oil/Lube Filter Compatible With Replaces Cummins QSB 5.9L 6.7L ISB Engine Replaces P550428 P551019 3937736 3937144 B7177 Set Of 6
EMINENTGLOW$50.661 rev
LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (2 Pack)
ATRACYPART$20.9158 rev
LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (6 Pack)
ATRACYPART$49.5958 rev
LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (4 Pack)
ATRACYPART$38.7858 rev
LF3970 Oil Filter Fits for Cummins QSB ISB engines 3937736 5404947 Replacement For 3937736 3937144 B7177 P550428 Fits For QSB5.9L/6.7L ISB07 6.7L Diesel Engines(Set of 6)
ZELYVER$55.402 rev
Trending
90-day click momentum
LF3970 Fleetguard Lube Filter Replaces (Donaldson P550428 P551019)
Fleetguard$20.685.0★
LF3970 Oil/Lube Filter Compatible With Replaces Cummins QSB 5.9L 6.7L ISB Engine Replaces P550428 P551019 3937736 3937144 B7177 Set Of 6
EMINENTGLOW$50.665.0★
LF3970 Oil Filter Fits for Cummins QSB ISB engines 3937736 5404947 Replacement For 3937736 3937144 B7177 P550428 Fits For QSB5.9L/6.7L ISB07 6.7L Diesel Engines(Set of 6)
ZELYVER$55.404.0★
LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (6 Pack)
ATRACYPART$49.594.6★
LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (2 Pack)
ATRACYPART$20.914.6★
What buyers say about lf3970
What buyers praise and complain about, mined from review topics.What buyers love
“Items as described”
“Very fair price”
“Good quality”
“Works well i change oil frequently so these are a good price point”
“Works great”
What buyers complain about
“Today, I needed one, and discovered after an hour of unending frustration that NONE of the four filters I purchased fits onto my 2006 Ram with 5.9l Cummins engine”
“Does not fit 6.7l cummins”
“Poor advertising as it stated it was a direct fit to my truck”
“did not fit truck”
Top return reasons
Common questions
- Is lf3970 profitable to sell on Amazon United States?
- The niche generates $101K/yr across 14 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +25.0%. Flapen's verdict: Worth a look (51/100).
- How competitive is the lf3970 niche?
- 8 brands and 34 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in lf3970?
- Top complaints mined from reviews: Filtration, Compatibility-Overall, Advertised Vs Actual Product. The return rate is 0.9%.
- When does demand for lf3970 peak?
- Demand peaks in Apr; the busiest month runs 2.1× the quietest.
- What does it cost to enter the lf3970 niche?
- Listings span $19.68–$154.23; the average listing price is $46.70 (sweet spot $15–$100). The average incumbent carries 72 reviews — the moat a new listing must climb.