---
title: "g12 coolant — £658K/yr Amazon United Kingdom Niche, Score 53/100 - Flapen"
canonical_url: "https://flapen.com/research/uk/automotive/g12-coolant"
last_updated: "2026-07-20T20:59:42.496Z"
locale: en
meta:
description: "g12 coolant shows low returns (0.2%), but strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:description": "g12 coolant shows low returns (0.2%), but strong incumbent ratings (4.7★) keeps it on the watch list. Data updated Jul 2026."
"og:title": "g12 coolant — £658K/yr Amazon United Kingdom Niche, Score 53/100 - Flapen"
---
# **g12 coolant**
**Worth a look**
Shows low returns (0.2%), but strong incumbent ratings (4.7★) keeps it on the watch list.
Market size 67Growth 32Conversion 93Competition 21Returns 99Price range 76Avg price 95Brand share 25Review moat 68Quality gap 17
**Returns**
**Incredible****0.2%**
return rate — above 6% kills the launch gate
**Avg price**
**Incredible****£33.37**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****£4.75–£115.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****792.8**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****£658K**
£658K/yr · 173K searches
**Growth**
**Okay****+5.5%**
90-day search growth — must beat 0% to launch
**Brand share**
**Okay****90%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United Kingdom niche tracking, g12 coolant is a £658K/yr Amazon United Kingdom market (173K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Nov. Verdict: Worth a look — 53/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **Market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **£501K–£667K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#53**
- **Page quality**
- **0%**
- **Prime**
- **50%**
- **Sponsored**
- **60%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **182 days**
## **Competition**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**26**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**2%**
- Volkswagen35% - Grivel23% - JOVS13% - MANNOL10% - DYNAMAX9% - COX MOTOR PARTS8% - Open — no brand owns it (1 brand, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.5% search growth over the last 90 days.
5K3KBlack Friday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/uk/automotive/g12-coolant/trend)
## **Product shelf**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%£66K20%£132K30%£197K40%£263K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Volkswagen Group Ready mix coolant G12E050A2 replaces G013A8JM1**Volkswagen**£10.02**4.8★2,690 rev](https://www.amazon.co.uk/dp/B08BNNMR2G) [2**GRIVEL G12 New-Matic Evo Crampons Yellow One Size**Grivel**£115.97**4.7★40 rev](https://www.amazon.co.uk/dp/B09MQ5PVBG) [3**DYNAMAX Cool G13 Antifreeze Coolant READY MIX -37 1 Litre Light Red/Violet Colour**DYNAMAX**£10.84**4.7★42 rev](https://www.amazon.co.uk/dp/B0CNTC76PH) [4**Cox Motor Parts Genuine G12 Evo Coolant For VW Audi SEAT Skoda (Replaces G13) Ready-Mix Coolant 5 Litres**COX MOTOR PARTS**£32.48**4.7★56 rev](https://www.amazon.co.uk/dp/B09KC687ZH) [5**JOVS Antifreeze Engine Coolant Red 10L (2X5L) All-Year Protection for Your Vehicle from Freezing and Overheating - Suitable for All Cars Frost Prevention Trusted Formula for Peak Engine Performance.**JOVS**£13.35**4.7★753 rev](https://www.amazon.co.uk/dp/B0BJ7KLHY4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**DYNAMAX Cool G13 Antifreeze Coolant READY MIX -37 1 Litre Light Red/Violet Colour**DYNAMAX**£10.84**42 rev2y ago](https://www.amazon.co.uk/dp/B0CNTC76PH) [**Prestone PAFR0035B Coolant Antifreeze for All Vehicles 10 year 300 000 miles Corrosion Protection Ready to Use 1 Litre**Prestone**£4.75**1,989 rev2y ago](https://www.amazon.co.uk/dp/B0CLS46ZW3) [**JOVS Antifreeze Engine Coolant Red 10L (2X5L) All-Year Protection for Your Vehicle from Freezing and Overheating - Suitable for All Cars Frost Prevention Trusted Formula for Peak Engine Performance.**JOVS**£13.35**753 rev3y ago](https://www.amazon.co.uk/dp/B0BJ7KLHY4) [**JOVS Antifreeze Engine Coolant Red 5L All-Year Protection for Your Vehicle from Freezing & Overheating - Suitable for All Cars Frost Prevention Trusted Formula for Peak Engine Performance.**JOVS**£9.62**1,025 rev3y ago](https://www.amazon.co.uk/dp/B0BJ39GK76) [**GRIVEL G12 New-Matic Evo Crampons Yellow One Size**Grivel**£115.97**40 rev3y ago](https://www.amazon.co.uk/dp/B09MQ5PVBG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**G12 NEW-CLASSIC EVO crampón CE Ice & Snow Grips GV-RAG12NCEF**Grivel**£106.79**5.0★**▲ 273%**](https://www.amazon.co.uk/dp/B0B1WY23QC) [**GRIVEL G12 New-Matic Evo Crampons Yellow One Size**Grivel**£115.97**4.7★**▲ 152%**](https://www.amazon.co.uk/dp/B09MQ5PVBG) [**Cox Motor Parts Genuine G12 Evo Coolant For VW Audi SEAT Skoda (Replaces G13) Ready-Mix Coolant 5 Litres**COX MOTOR PARTS**£32.48**4.7★**▲ 55%**](https://www.amazon.co.uk/dp/B09KC687ZH) [**JOVS Antifreeze Engine Coolant Red 10L (2X5L) All-Year Protection for Your Vehicle from Freezing and Overheating - Suitable for All Cars Frost Prevention Trusted Formula for Peak Engine Performance.**JOVS**£13.35**4.7★**▲ 28%**](https://www.amazon.co.uk/dp/B0BJ7KLHY4) [**JOVS Antifreeze Engine Coolant Red 5L All-Year Protection for Your Vehicle from Freezing & Overheating - Suitable for All Cars Frost Prevention Trusted Formula for Peak Engine Performance.**JOVS**£9.62**4.6★**— 2%**](https://www.amazon.co.uk/dp/B0BJ39GK76)
**~~View all trending →~~**
## **Reviews**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**26%
*“Great value for money”*
**Quality-Overall**25%
*“Top quality brand for VW at a great price”*
**Coolant**20%
*“Coolant Antifreeze”*
**Advertised Vs Actual Product**16%
*“Just as advertised”*
**Ease Of Use**6%
*“Easy to use”*
**Efficiency**1%
*“Good for the car”*
**Size-Overall**1%
*“Good size”*
**Paint Quality**1%
*“Paint”*
**Durability**0%
*“lasts longer”*
**Motor Power**0%
*“Happy motoring”*
### **What buyers complain about **
**Quality-Overall**39%
*“Cheap”*
**Coolant**11%
*“I was buying these regularly last year because I had a coolant leak that my previous mechanic insisted would be a major, expensive job”*
**Leak-Proof**11%
*“Potential to leak”*
**Value For Money**6%
*“Although cheaper in my local supermarket”*
**Heating**6%
*“Car not hot”*
**Instructions/User Manual/Troubleshooting**6%
*“Marking down one star for the terrible photocopy instructions on the bottle”*
### **Top return reasons **
**Coolant**28%
**Compatibility-Overall**24%
**Leak-Proof**10%
**Color**9%
**Defective Material/Parts**8%
**Value For Money**5%
**Advertised Vs Actual Product**4%
**Quality-Overall**3%
**Functionality-Overall**2%
**Size-Overall**1%
## **Common questions**
- **Is g12 coolant profitable to sell on Amazon United Kingdom?**
- The niche generates £658K/yr across 10 tracked products. 90-day search growth is +5.5%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the g12 coolant niche?**
- 7 brands and 26 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in g12 coolant?**
- Top complaints mined from reviews: Quality-Overall, Coolant, Leak-Proof. The return rate is 0.2%.
- **When does demand for g12 coolant peak?**
- Demand peaks in Nov; the busiest month runs 1.4× the quietest.
- **What does it cost to enter the g12 coolant niche?**
- Listings span £4.75–£115.97; the average listing price is £33.37 (sweet spot $15–$100). The average incumbent carries 793 reviews — the moat a new listing must climb.
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