5/8 silicone heater hose
Skip it44/100a small market ($21K/yr) — 5/8 silicone heater hose doesn't clear our bar today.
Market/yr
$21K
Growth (1y)
+172.0%
Products
25
Brands
13
was 14 a year ago
Sellers
19
Price range
$8.69–$89.67
Returns
2.3%
Rating
4.6★
Skip it
Scored 44/100 across market size, growth, competition, quality gap, and returns.
Demand
Weekly Amazon search volume, last 64 weeks — +172.0% year over year.Seasonality
Monthly demand index across the year — 1.00 is average.Peak months: Jan · busiest ÷ quietest = 1.5×
Competition
- EVIL ENERGY37%
- SATUGUOJI17%
- Outus14%
- Generic7%
- Uselection6%
- YGDMD6%
- Other (7 brands)14%
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them. 13 brands and 19 sellers compete here.
Brands
13 falling
was 14 a year ago
Sellers
19
Top 5 brand share
81%
Product shelf
All 25 tracked products in this niche.
EVIL ENERGY 5/8 Silicone Heater Hose Radiator Coolant Hose Straight SAE J20R3 CLASS-A 60PSI 10FT Black
EVIL ENERGY
$26.934.6★450 reviews
5FT ID 5/8 (16mm) Heater Hose Coolant Radiator Straight Temperature Reinforced Silicone Tubing Rupture Pressure 232 Psi With 5 Clamps 4MM Thick for Vehicle Cooling Systems(blue)
SATUGUOJI
$16.874.7★61 reviews
EVIL ENERGY 5/8 Silicone Heater Hose Radiator Coolant Hose Straight SAE J20R3 CLASS-A 60PSI 5FT Black
EVIL ENERGY
$16.434.6★450 reviews
Outus 5/8 ID Silicone Heater Hose 25ft Roll Coolant Radiator Straight 75 Psi Pressure Reinforced High Temperature for Water/gas Transportation for Vehicle Cooling Systems(Blue)
Outus
$76.744.4★47 reviews
5Ft ID 5/8 Heater Hose Silicone Radiator Hose with 650PSI Rupture Pressure for Water/Gas Transportation Professional Car Accessories Coolant Hoses for Vehicle Cooling Systems (5/8 5FT)
YGDMD
$13.134.6★160 reviews
Outus 5/8 ID Silicone Heater Hose 10 ft Roll Coolant Radiator Straight 75 Psi Pressure Reinforced High Temperature for Water/gas Transportation for Vehicle Cooling Systems(Blue)
Outus
$39.264.4★47 reviews
5/8X5FT(ID:16MM) Silicone Heater Hose Blue and Red Coolant Radiator Vacuum Line Reinforced High Temperature Reinforced 4MM Thick(0.16 In) (5/8 ID-5Ft(ID 16mm))
Uselection
$16.944.6★70 reviews
EVIL ENERGY 5/8 High Performance Silicone Heater Hose Radiator Coolant Hose Straight SAE J20R3 CLASS-A 5FT Black
EVIL ENERGY
$37.915.0★3 reviews
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Hose is good quality”
“Perfect fit”
“Product is as advertised”
“Overall, great value for the price”
“very durable”
“Worked great for the job I needed flushing heater core good quality”
“Flexible and strong”
“easy enough to push on”
“The material feels much more durable”
“Hose works amazing”
What buyers complain about
“Bad quality control previously returned at least thats what it looks like”
“It does kink if bend it”
“I believe the description is wrong - in one picture it shows the outer jacket as PVC - this I believe is incorrect as this is a silicone outer having used this kind of hose for so long I know the feel of it”
“Very flimsy”
“Thin wall not as heavy duty as I bought from local store”
“Inside is bigger than 5/8”
“Havent installed it yet”
“Feels heavier than the local parts store brand”
“I recently had a coolant leak on my 2010 tahoe right on the heater T connectors that are by the firewall that lead to the heater core”
“not worth the cost”
Top return reasons
- Size-Overall62%
- Advertised Vs Actual Product6%
- Thin5%
- Compatibility-Overall4%
- Quality-Overall3%
- Flexibility2%
- Material Quality2%
- Strength2%
- Defective Material/Parts2%
- Functionality-Overall2%