Lf3970
MaybeBuyers convert on 16.5% of searches. But the top 5 brands take 93% of clicks, so Lf3970 is a Maybe.
- Flapen Score
- 51 / 100Top 39% of 7,287 Automotive niches · +2 vs the category median of 4951
- Market size
- $101K/yr13K searches / yr
- 90-day growth
- +25.0%search demand this quarter
- Competition
- 74%top-5 click share · 8 brands · 34 sellers
Flapen Score
Lf3970 against its category
The dotted line is the Automotive average. Past it, Lf3970 is stronger. Inside it, weaker.
Market
The Lf3970 market on Amazon at a glance
Shoppers on Amazon United States searched for Lf3970 13K times last year and spent an estimated $101K. The top 5 brands take 93% of clicks. Demand peaks in Apr. Flapen scores it 51 out of 100, a Maybe.
01 · Demand
An estimated 16.5% of those searches ended in a purchase.
Shoppers searched for this 13K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 16.5% of those searches ended in a purchase. Searches in the last 90 days moved +25.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $101K a year.
- Searches, last 12 months
- 13K
- Growth, 90 days vs prior 90
- +25.0%
- Conversion, latest week
- 16.5%
- Market size, estimated
- $101Ka year
- Peak month
- April2.1× the quietest month
- Top search term
- lf39708K searches a year
02 · Price
A sale here is worth $46.70.
Listings sell for $46.70 on average, from $19.68 to $154.23. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At $46.70 that is $5K to $12K a year per listing.
- Average price
- $46.70inside the $15 to $100 sweet spot
- Price range
- $19.68–$154.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $5K–$12K
- Returns
- 0.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
64% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 5.3% of listings are out of stock. The average listing ranks #1,468 within Filters. It carries 72 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 64%
- Prime listings
- 93%
- Out of stock, average day
- 5.3%
- Average rank
- #1,468in Filters
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 72per listing
- Listings tracked
- 14
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 42 months
Products
Top Lf3970 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
Fleetguard Oil Filter LF3970 Cummins ISB Engine (Pack of 2)
- Price
- $33.55
- Rating
- 4.7/5
- Reviews
- 309
- Age
- 9y ago

Fleetguard LF3970 Cummins Filtration Oil Filter 1-Pack
- Price
- $19.74
- Rating
- 4.6/5
- Reviews
- 440
- Age
- 19y ago

LF3970 Fleetguard Lube Filter (Pack of 4)
- Price
- $63.95
- Rating
- 4.5/5
- Reviews
- 21
- Age
- 6y ago

LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (6 Pack)
- Price
- $49.59
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 1y ago

LF3970 Oil/Lube Filter Compatible With Replaces Cummins QSB 5.9L 6.7L ISB Engine Replaces P550428 P551019 3937736 3937144 B7177 Set Of 6
- Price
- $50.66
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 8mo ago
Trending
estimated 90-day click momentum
LF3970 Fleetguard Lube Filter Replaces (Donaldson P550428 P551019)
- Price
- $20.68
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 6y ago

LF3970 Oil/Lube Filter Compatible With Replaces Cummins QSB 5.9L 6.7L ISB Engine Replaces P550428 P551019 3937736 3937144 B7177 Set Of 6
- Price
- $50.66
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 8mo ago

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)
- Price
- $55.40
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 1y ago

LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (6 Pack)
- Price
- $49.59
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 1y ago

LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (2 Pack)
- Price
- $20.91
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 1y ago
Newest
by launch date
LF3970 Oil/Lube Filter Compatible With Replaces Cummins QSB 5.9L 6.7L ISB Engine Replaces P550428 P551019 3937736 3937144 B7177 Set Of 6
- Price
- $50.66
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 8mo ago

LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (2 Pack)
- Price
- $20.91
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 1y ago

LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (6 Pack)
- Price
- $49.59
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 1y ago

LF3970 Oil Filter Compatible with Cummins ISB QSB 5.9L/6.7L Diesel Engine Replaces P550428 P551019 3937736 3937144 B7177 (4 Pack)
- Price
- $38.78
- Rating
- 4.6/5
- Reviews
- 58
- Age
- 1y ago

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)
- Price
- $55.40
- Rating
- 4.0/5
- Reviews
- 2
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 74% of clicks. A locked shelf that new listings rarely crack.
Brands
8 rising
Sellers
34
Est. top-5 brand share
93%
Top 20: 100%
Est. 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
Lf3970 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr · busiest ÷ quietest = 2.1×
Reviews and returns
What reviews say buyers love and hate about Lf3970
We read the reviews and the return reasons for every product selling here.
“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”
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.
11 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 Lf3970 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









