--- title: "5/8 heater hose — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/5-8-heater-hose" last_updated: "2026-07-10T00:07:15.681Z" locale: en meta: description: "a small market ($220K/yr) — 5/8 heater hose doesn't clear our bar today." "og:description": "a small market ($220K/yr) — 5/8 heater hose doesn't clear our bar today." "og:title": "5/8 heater hose — Niche Verdict: Skip it (44/100) | Amazon United States - Flapen" --- Back to Flapen home # **5/8 heater hose** **Skip it****44/100 ** a small market ($220K/yr) — 5/8 heater hose doesn't clear our bar today. **Market/yr** **$220K** **Growth (1y)** **+190.1%** **Products** **19** **Brands** **12** was 11 a year ago **Sellers** **24** **Price range** **$8.69–$76.74** **Returns** **2.3%** **Rating** **4.6★** **Skip it** Scored 44/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **11** ×0.30 Growth **76** ×0.30 Competition **38** ×0.20 Quality gap **27** ×0.10 Returns **82** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +190.1% year over year. 2K1KSpike '24Spike '25Black Friday '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.6× ## **Competition** - EVIL ENERGY39% - Gates14% - SATUGUOJI12% - YGDMD9% - VehiMata6% - VKQTS6% - Other (6 brands)14% The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them. 12 brands and 24 sellers compete here. **Brands** **12 **▲rising was 11 a year ago **Sellers** **24** **Top 5 brand share** **80%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 10FT Black](https://m.media-amazon.com/images/I/416YW3NnLLL.jpg) [**EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 10FT Black**](https://www.amazon.com/dp/B0BRJFG4B8) EVIL ENERGY$27.314.8★92822%▼falling 2 ![Gates 28491 Safety Stripe Standard Straight Heater Hose-6 Length Inner Diameter 5/8](https://m.media-amazon.com/images/I/31O6-3sBurL.jpg) [**Gates 28491 Safety Stripe Standard Straight Heater Hose-6 Length Inner Diameter 5/8**](https://www.amazon.com/dp/B000C2WEIC) Gates$15.084.7★1,86414%▼falling 3 ![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)](https://m.media-amazon.com/images/I/410DaOa37AL.jpg) [**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)**](https://www.amazon.com/dp/B0GCJ2WMXB) SATUGUOJI$16.874.7★6112%▲rising 4 ![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)](https://m.media-amazon.com/images/I/31ZVaeTYNlL.jpg) [**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)**](https://www.amazon.com/dp/B0F52L7GP7) YGDMD$13.134.6★1609%▲rising 5 ![EVIL ENERGY 5/8 Heater Hose 10FT Coolant Radiator Hose With 10PCS Clamps Straight 100PSI SAE 20R3 Black](https://m.media-amazon.com/images/I/41-Tz-GgjpL.jpg) [**EVIL ENERGY 5/8 Heater Hose 10FT Coolant Radiator Hose With 10PCS Clamps Straight 100PSI SAE 20R3 Black**](https://www.amazon.com/dp/B0F1TRGN6S) EVIL ENERGY$28.774.7★1117%▼falling 6 ![VehiMata SAE 20R3 5/8 Heater Hose 5/8 10FT Coolant Radiator Hose 100PSI Black](https://m.media-amazon.com/images/I/31q9NM8Oo4L.jpg) [**VehiMata SAE 20R3 5/8 Heater Hose 5/8 10FT Coolant Radiator Hose 100PSI Black**](https://www.amazon.com/dp/B0F5W8BSCY) VehiMata$19.264.4★726%▲rising 7 ![5Ft 5/8 Car Heater Hose with 10PCS Clamps ID 16mm & OD 24mm Coolant Hoses to Transport Air/Water Straight Car Accessories 5/8 Silicone Heater Hose Working Pressure 250 PSI](https://m.media-amazon.com/images/I/414iPgnd-LL.jpg) [**5Ft 5/8 Car Heater Hose with 10PCS Clamps ID 16mm & OD 24mm Coolant Hoses to Transport Air/Water Straight Car Accessories 5/8 Silicone Heater Hose Working Pressure 250 PSI**](https://www.amazon.com/dp/B0FJFRZN3H) VKQTS$12.644.3★214%▲rising 8 ![High Performance Silicone Heater Hose 5/8 ID Reinforced Flexible High Temp (-65F to 350F) Blue | Sold Per Foot](https://m.media-amazon.com/images/I/41UmtgtAlmL.jpg) [**High Performance Silicone Heater Hose 5/8 ID Reinforced Flexible High Temp (-65F to 350F) Blue | Sold Per Foot**](https://www.amazon.com/dp/B0DX5MYZV6) Generic$8.694.5★884%▼falling 9 ![EVIL ENERGY 5/8 Silicone Heater Hose Radiator Coolant Hose Straight SAE J20R3 CLASS-A 60PSI 5FT Black](https://m.media-amazon.com/images/I/31xpVHUzFLL.jpg) [**EVIL ENERGY 5/8 Silicone Heater Hose Radiator Coolant Hose Straight SAE J20R3 CLASS-A 60PSI 5FT Black**](https://www.amazon.com/dp/B0D9LDKLCQ) EVIL ENERGY$16.434.6★4504%▼falling 10 ![BEIJIULI Straight 11FT Length Heater Hose Coolant Radiator with 10 Hose Clamps Reinforced 5/8 inches Inside Diameter Coolant Radiator Line for Water AirAntifreeze and Fuel Systems 100PSI SAE 20R3](https://m.media-amazon.com/images/I/412IoGswSiL.jpg) [**BEIJIULI Straight 11FT Length Heater Hose Coolant Radiator with 10 Hose Clamps Reinforced 5/8 inches Inside Diameter Coolant Radiator Line for Water AirAntifreeze and Fuel Systems 100PSI SAE 20R3**](https://www.amazon.com/dp/B0D14F9SXD) BEIJIULI$18.044.6★393%▼falling 11 ![5Ft 5/8 Heater Hose for Cars Silicone Car Coolant Hose for Transferring Water/Air Straight & Cuttable Car Radiator Hoses Vehicle Accessories Working Pressure 250PSI (5/8In 5Ft)](https://m.media-amazon.com/images/I/41C2aIw+hgL.jpg) [**5Ft 5/8 Heater Hose for Cars Silicone Car Coolant Hose for Transferring Water/Air Straight & Cuttable Car Radiator Hoses Vehicle Accessories Working Pressure 250PSI (5/8In 5Ft)**](https://www.amazon.com/dp/B0GGB9YP43) IHOTDER$11.555.0★172%▲rising 12 ![EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 20FT Black](https://m.media-amazon.com/images/I/41WfB0lpcpL.jpg) [**EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 20FT Black**](https://www.amazon.com/dp/B0D5CQ12C6) EVIL ENERGY$47.344.8★9282%—flat 13 ![EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 5FT Black](https://m.media-amazon.com/images/I/41zB8qIEvUL.jpg) [**EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 5FT Black**](https://www.amazon.com/dp/B0BRJFXD8Y) EVIL ENERGY$17.724.8★4232%▼falling 14 ![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)](https://m.media-amazon.com/images/I/51V5AR1KNvL.jpg) [**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)**](https://www.amazon.com/dp/B0G26MFWJ4) Outus$76.744.4★472%▲rising 15 ![10 Ft Car 5/8 Heater Hose with ID 16mm & OD 24mm Straight Car Coolant Hose for Water/Coolants/Antifreeze Essential Cars Coolant Radiator Hoses with Clamps Cars Accessories](https://m.media-amazon.com/images/I/41A5uiV2xVL.jpg) [**10 Ft Car 5/8 Heater Hose with ID 16mm & OD 24mm Straight Car Coolant Hose for Water/Coolants/Antifreeze Essential Cars Coolant Radiator Hoses with Clamps Cars Accessories**](https://www.amazon.com/dp/B0FMYCM9F6) VKQTS$12.384.0★141%▲rising **~~Showing 15 of 19 — show all ~~** ## **Product shelf** All 19 tracked products in this niche. Top sellersNewestTrending [![EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 10FT Black](https://m.media-amazon.com/images/I/416YW3NnLLL.jpg)**EVIL ENERGY 5/8 Heater Hose Coolant Radiator Straight 100PSI SAE 20R3 10FT Black** EVIL ENERGY**$27.31**4.8★928 reviews](https://www.amazon.com/dp/B0BRJFG4B8) [![Gates 28491 Safety Stripe Standard Straight Heater Hose-6 Length Inner Diameter 5/8](https://m.media-amazon.com/images/I/31O6-3sBurL.jpg)**Gates 28491 Safety Stripe Standard Straight Heater Hose-6 Length Inner Diameter 5/8** Gates**$15.08**4.7★1,864 reviews](https://www.amazon.com/dp/B000C2WEIC) [![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)](https://m.media-amazon.com/images/I/410DaOa37AL.jpg)**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**$16.87**4.7★61 reviews](https://www.amazon.com/dp/B0GCJ2WMXB) [![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)](https://m.media-amazon.com/images/I/31ZVaeTYNlL.jpg)**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**$13.13**4.6★160 reviews](https://www.amazon.com/dp/B0F52L7GP7) [![EVIL ENERGY 5/8 Heater Hose 10FT Coolant Radiator Hose With 10PCS Clamps Straight 100PSI SAE 20R3 Black](https://m.media-amazon.com/images/I/41-Tz-GgjpL.jpg)**EVIL ENERGY 5/8 Heater Hose 10FT Coolant Radiator Hose With 10PCS Clamps Straight 100PSI SAE 20R3 Black** EVIL ENERGY**$28.77**4.7★111 reviews](https://www.amazon.com/dp/B0F1TRGN6S) [![VehiMata SAE 20R3 5/8 Heater Hose 5/8 10FT Coolant Radiator Hose 100PSI Black](https://m.media-amazon.com/images/I/31q9NM8Oo4L.jpg)**VehiMata SAE 20R3 5/8 Heater Hose 5/8 10FT Coolant Radiator Hose 100PSI Black** VehiMata**$19.26**4.4★72 reviews](https://www.amazon.com/dp/B0F5W8BSCY) [![5Ft 5/8 Car Heater Hose with 10PCS Clamps ID 16mm & OD 24mm Coolant Hoses to Transport Air/Water Straight Car Accessories 5/8 Silicone Heater Hose Working Pressure 250 PSI](https://m.media-amazon.com/images/I/414iPgnd-LL.jpg)**5Ft 5/8 Car Heater Hose with 10PCS Clamps ID 16mm & OD 24mm Coolant Hoses to Transport Air/Water Straight Car Accessories 5/8 Silicone Heater Hose Working Pressure 250 PSI** VKQTS**$12.64**4.3★21 reviews](https://www.amazon.com/dp/B0FJFRZN3H) [![High Performance Silicone Heater Hose 5/8 ID Reinforced Flexible High Temp (-65F to 350F) Blue | Sold Per Foot](https://m.media-amazon.com/images/I/41UmtgtAlmL.jpg)**High Performance Silicone Heater Hose 5/8 ID Reinforced Flexible High Temp (-65F to 350F) Blue | Sold Per Foot** Generic**$8.69**4.5★88 reviews](https://www.amazon.com/dp/B0DX5MYZV6) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**27% *“Good Quality”* **Advertised Vs Actual Product**15% *“Product is as advertised”* **Size-Overall**11% *“Perfect fit”* **Leak-Proof**7% *“No leaks”* **Value For Money**5% *“Its about as cheap as it gets”* **Heating**5% *“Adequate Quality heater hose 5/8 Decent replacement for old hose, fit and clamped ok”* **Durability**4% *“Very flexible and durable”* **Efficiency**4% *“Hose works amazing”* **Flexibility**4% *“It is very flexible”* **Coolant**3% *“Great product for flushing out coolant system”* ### **What buyers complain about ** **Quality-Overall**13% *“Hose not good quality it separated in some parts of the hose”* **Size-Overall**13% *“Did not fit”* **Leak-Proof**7% *“60 days and leaked out all my cookant”* **Flexibility**7% *“It does kink if bend it”* **Advertised Vs Actual Product**7% *“Misleading pictures”* **Thickness**4% *“The material feels thick”* **Ease Of Use**3% *“I cant even use it”* **Compatibility-Overall**3% *“Did not fit 2091 F150”* **Weight Heavy**3% *“Feels heavier than the local parts store brand”* **Smell**3% *“Smells weird”* #### **Top return reasons**- Size-Overall69% - Advertised Vs Actual Product4% - Compatibility-Overall4% - Value For Money4% - Quality-Overall3% - Flexibility2% - Functionality-Overall2% - Thin2% - Material Quality1% - Product Condition1%