harmonic balancer
Worth a lookShows a thin review moat (65 avg reviews), but brand-locked demand (top 5 brands take 92% of clicks) keeps it on the watch list.
Review moat
Incredible65.02avg incumbent reviews — the moat a new listing must climb
Competition
Great22%top-5 click share — an open shelf
Avg price
Great$57.16avg listing price — sweet spot $15–$100
Price range
Great$7.82–$117.69cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$322K$322K/yr · 226K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Returns
Okay4.8%return rate — above 5% kills the launch gate
Growth
Bad-1.0%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, harmonic balancer is a $322K/yr Amazon United States market (226K searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
harmonic balancer market data
- Units sold / yr
- 5K–6K
- avg 0–100/product
- Revenue / yr
- $286K–$343K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #209
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 71%
- Out of stock
- 2.0%
- Avg brand age
- 62 months
- Avg seller age
- 178 days
Competition & brand share
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.Brands
18 falling
Sellers
104
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
22%
Top 20: 47%
Open market
7%
- Dorman32%
- A-Premium28%
- AULINK17%
- GM GENUINE PARTS8%
- SCITOO6%
- MOTOKU1%
- Open — no brand owns it (12 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top harmonic balancer search terms
- harmonic balancer139K/yr
- crankshaft pulley38K/yr
- crank pulley13K/yr
- harmonic balancer pulley10K/yr
- polea del cigueal9K/yr
- crank shaft pulley4K/yr
- automotive replacement engine harmonic balancers3K/yr
- polea de cigueal6K/yr
- crankshaft harmonic balancer4K/yr
Top harmonic balancer 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ACDelco 19300488 Harmonic Balancer
GM GENUINE PARTS$91.274.6★481 rev
Dorman 594-018 Engine Harmonic Balancer Compatible with Select Jeep Models
Dorman$53.804.6★321 rev
AULINK 594-267 Harmonic Balancer Crankshaft Pulley for Acura MDX 2003-2009 TL RL 2005-2008 for Honda Accord 2003-2007 Ridgeline 2006-2008 Odyssey 2005-2010 Pilot 2005-2008 Saturn Vue 3.0 3.2 3.5 3.7L
AULINK$45.174.6★84 rev
Dorman 594-209 Engine Harmonic Balancer Compatible with Select Models
Dorman$79.154.3★156 rev
Dorman 594-405 Engine Harmonic Balancer Compatible with Select Models
Dorman$51.934.2★100 rev
Newest
by launch date
MOTOKU Engine Harmonic Balancer Crankshaft Pulley for Honda Element 2003-2006 CR-V 2002-2006 Accord 2003-2005 for Acura TSX 2004-2008 RSX 2002-2006
MOTOKU$35.0624 rev
AULINK 594-139 Engine Harmonic Balancer Crankshaft Pulley Compatible with Toyota Camry 1992-2001 Celica 1994-1999 Rav4 1996-2000 Solara 1999-2001 2.0L 2.2L L4 Replaces 1340803020 1340874031
AULINK$31.3624 rev
AULINK 594-405 Harmonic Balancer Crankshaft Pulley For 2011-2020 Chrysler 200 300 Dodge Avenger Challenger Charger Durango Jeep Grand Cherokee Wrangler Ram ProMaster 1500 2500 3500 3.0L 3.2L 3.6L V6
AULINK$47.1352 rev
A-Premium Engine Harmonic Balancer Pulley - 2.0L 2.2L 2.4L - Compatible with Chevrolet GMC Buick Saab Oldsmobile Pontiac & Saturn Cars - 00-17- Equinox Terrain LaCrosse 9-3 Alero & More
A-Premium$60.4810 rev
AULINK 594-267 Harmonic Balancer Crankshaft Pulley for Acura MDX 2003-2009 TL RL 2005-2008 for Honda Accord 2003-2007 Ridgeline 2006-2008 Odyssey 2005-2010 Pilot 2005-2008 Saturn Vue 3.0 3.2 3.5 3.7L
AULINK$45.1784 rev
Trending
90-day click momentumDorman 594-018 Engine Harmonic Balancer Compatible with Select Jeep Models
Dorman$53.804.6★
A-Premium Engine Harmonic Balancer Pulley - DOHC V6 3.0L 3.6L - Compatible with Chrysler & Dodge & Jeep & Ram & Volkswagen Cars - Town & Country Challenger Durango Cherokee 1500 Routan & More
A-Premium$51.814.6★
AULINK 594-236 Harmonic Balancer Crankshaft Pulley (4.0L V6) for Ford Ranger 2001-2011 Explorer 2003-2010 Explorer Sport Trac 2003-2010 Mustang 2005-2010 for Mercury Mountaineer 2003-2010
AULINK$60.254.4★
ACDelco 19300488 Harmonic Balancer
GM GENUINE PARTS$91.274.6★
MOTOKU Engine Harmonic Balancer Crankshaft Pulley for Honda Element 2003-2006 CR-V 2002-2006 Accord 2003-2005 for Acura TSX 2004-2008 RSX 2002-2006
MOTOKU$35.064.6★
Common questions
- Is harmonic balancer profitable to sell on Amazon United States?
- The niche generates $322K/yr across 119 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.0%. Flapen's verdict: Worth a look (51/100).
- How competitive is the harmonic balancer niche?
- 18 brands and 104 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 92% of demand.
- When does demand for harmonic balancer peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the harmonic balancer niche?
- Listings span $7.82–$117.69; the average listing price is $57.16 (sweet spot $15–$100). The average incumbent carries 65 reviews — the moat a new listing must climb.