--- title: "dielectric grease — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/automotive/dielectric-grease" last_updated: "2026-07-09T23:46:08.470Z" locale: en meta: description: "a concentrated shelf (top 5 take 86% of clicks) — dielectric grease doesn't clear our bar today." "og:description": "a concentrated shelf (top 5 take 86% of clicks) — dielectric grease doesn't clear our bar today." "og:title": "dielectric grease — Niche Verdict: Skip it (46/100) | Amazon United States - Flapen" --- Back to Flapen home # **dielectric grease** **Skip it****46/100 ** a concentrated shelf (top 5 take 86% of clicks) — dielectric grease doesn't clear our bar today. **Market/yr** **$1.4M** **Growth (1y)** **+145.8%** **Products** **10** **Brands** **7** was 8 a year ago **Sellers** **80** **Price range** **$6.98–$18.44** **Returns** **0.7%** **Rating** **4.8★** **Skip it** Scored 46/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **40** ×0.30 Growth **70** ×0.30 Competition **6** ×0.20 Quality gap **20** ×0.10 Returns **94** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +145.8% year over year. 16K8KJul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND No pronounced peak months · busiest ÷ quietest = 1.3× ## **Competition** - BTAS44% - Permatex30% - AGS10% - AstraVox6% - CRC4% - YOLOtek4% - Other (1 brands)2% The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack. 7 brands and 80 sellers compete here. **Brands** **7 **▼falling was 8 a year ago **Sellers** **80** **Top 5 brand share** **95%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![BTAS Dielectric Grease for Electrical Connectors Automotive Spark Plug Boot Battery Terminal Marine Dialectical Electronics Wiring Die Electric Contact Silicone Dialectric Grease 1 oz 1 Pcs](https://m.media-amazon.com/images/I/41TQUTfFp6L.jpg) [**BTAS Dielectric Grease for Electrical Connectors Automotive Spark Plug Boot Battery Terminal Marine Dialectical Electronics Wiring Die Electric Contact Silicone Dialectric Grease 1 oz 1 Pcs**](https://www.amazon.com/dp/B0D6R543V2) BTAS$8.124.8★2,34735%▲rising 2 ![Permatex 22058 Dielectric Tune-Up Grease 3oz. - High Performance Dielectric Grease Used to Protect Terminals Spark Plugs Wiring and Other Electrical Connections Against Salt Dirt and Corrosion](https://m.media-amazon.com/images/I/41sd2-RGv8L.jpg) [**Permatex 22058 Dielectric Tune-Up Grease 3oz. - High Performance Dielectric Grease Used to Protect Terminals Spark Plugs Wiring and Other Electrical Connections Against Salt Dirt and Corrosion**](https://www.amazon.com/dp/B000AL8VD2) Permatex$9.824.8★29,11230%▼falling 3 ![AGS Dielectric Grease for Electrical Connectors 4oz Silicone Grease for Spark Plugs Battery Terminals Wiring & Connectors Made in USA Since 1931 Brush-Top Can for Precise Mess-Free Application](https://m.media-amazon.com/images/I/41L6y5goCBL.jpg) [**AGS Dielectric Grease for Electrical Connectors 4oz Silicone Grease for Spark Plugs Battery Terminals Wiring & Connectors Made in USA Since 1931 Brush-Top Can for Precise Mess-Free Application**](https://www.amazon.com/dp/B0BRBSD2BS) AGS$10.054.7★1,45910%▲rising 4 ![AstraVox Silicone Dielectric Grease for Electrical Connectors Automotive Dialectric Grease with a Brush Spark Plug O Rings Marine Waterproof & Heat-Resistant & Insulating 1oz (1pcs)](https://m.media-amazon.com/images/I/41-yOQJiT9L.jpg) [**AstraVox Silicone Dielectric Grease for Electrical Connectors Automotive Dialectric Grease with a Brush Spark Plug O Rings Marine Waterproof & Heat-Resistant & Insulating 1oz (1pcs)**](https://www.amazon.com/dp/B0DKXB4FFM) AstraVox$7.964.7★4866%▼falling 5 ![BTAS Dielectric Grease Automotive for Electrical Connectors Di Dialectical Contact Tune-Up Grease of Car Spark Plug Boot Components Battery Terminal Electric Grasa Against Salt Corrosion 1 oz 2 Pcs](https://m.media-amazon.com/images/I/51+2LWm3qnL.jpg) [**BTAS Dielectric Grease Automotive for Electrical Connectors Di Dialectical Contact Tune-Up Grease of Car Spark Plug Boot Components Battery Terminal Electric Grasa Against Salt Corrosion 1 oz 2 Pcs**](https://www.amazon.com/dp/B0D7V466YW) BTAS$9.734.8★2,3475%▲rising 6 ![BTAS Dielectric Grease for Automotive Electrical Connectors Car Battery Terminal Spark Plug Boot Corrosion Preventer Electric Silicone Paste Dialectical Grease of Marine Electronics with PTFE 8 oz](https://m.media-amazon.com/images/I/41DdDw96eyL.jpg) [**BTAS Dielectric Grease for Automotive Electrical Connectors Car Battery Terminal Spark Plug Boot Corrosion Preventer Electric Silicone Paste Dialectical Grease of Marine Electronics with PTFE 8 oz**](https://www.amazon.com/dp/B0D9W6QPG6) BTAS$18.364.8★2,3474%▲rising 7 ![YOLOtek Veteran Owned - Silicone Dielectric Grease 10g - Automotive/Marine Grease and Seals for Spark Plugs Battery Terminals & Electrical Connectors](https://m.media-amazon.com/images/I/41PElOKrLhL.jpg) [**YOLOtek Veteran Owned - Silicone Dielectric Grease 10g - Automotive/Marine Grease and Seals for Spark Plugs Battery Terminals & Electrical Connectors**](https://www.amazon.com/dp/B08PB43S32) YOLOtek$6.984.7★9224%▲rising 8 ![CRC INDUSTRIES DI-ELECTRIC GREASE-3.3 OZ. POWER DISPENSER (05113)](https://m.media-amazon.com/images/I/316kvVgMtgL.jpg) [**CRC INDUSTRIES DI-ELECTRIC GREASE-3.3 OZ. POWER DISPENSER (05113)**](https://www.amazon.com/dp/B01DOEJZTK) CRC$18.294.8★1,0672%▼falling 9 ![CRC Marine Premium Dielectric Grease 3.3 Wt Oz Non-Curing Compound for Sealing Protecting and Electrical Insulating Pressurized Can with the Select-A-BEAD Nozzle](https://m.media-amazon.com/images/I/41qFARwcjrL.jpg) [**CRC Marine Premium Dielectric Grease 3.3 Wt Oz Non-Curing Compound for Sealing Protecting and Electrical Insulating Pressurized Can with the Select-A-BEAD Nozzle**](https://www.amazon.com/dp/B0788Y4SN8) CRC$18.444.8★9492%▲rising 10 ![4LifetimeLines Dielectric Grease for Electrical Connectors - 4oz Brush Top Can Mess Free Application Dielectric Spark Plugs Automotive Electric Grease for Optimal Performance](https://m.media-amazon.com/images/I/41kb51oMLOL.jpg) [**4LifetimeLines Dielectric Grease for Electrical Connectors - 4oz Brush Top Can Mess Free Application Dielectric Spark Plugs Automotive Electric Grease for Optimal Performance**](https://www.amazon.com/dp/B0BQPH9PK7) 4LIFETIMELINES$9.634.7★4242%▲rising ## **Product shelf** All 10 tracked products in this niche. Top sellersNewestTrending [![BTAS Dielectric Grease for Electrical Connectors Automotive Spark Plug Boot Battery Terminal Marine Dialectical Electronics Wiring Die Electric Contact Silicone Dialectric Grease 1 oz 1 Pcs](https://m.media-amazon.com/images/I/41TQUTfFp6L.jpg)**BTAS Dielectric Grease for Electrical Connectors Automotive Spark Plug Boot Battery Terminal Marine Dialectical Electronics Wiring Die Electric Contact Silicone Dialectric Grease 1 oz 1 Pcs** BTAS**$8.12**4.8★2,347 reviews](https://www.amazon.com/dp/B0D6R543V2) [![Permatex 22058 Dielectric Tune-Up Grease 3oz. - High Performance Dielectric Grease Used to Protect Terminals Spark Plugs Wiring and Other Electrical Connections Against Salt Dirt and Corrosion](https://m.media-amazon.com/images/I/41sd2-RGv8L.jpg)**Permatex 22058 Dielectric Tune-Up Grease 3oz. - High Performance Dielectric Grease Used to Protect Terminals Spark Plugs Wiring and Other Electrical Connections Against Salt Dirt and Corrosion** Permatex**$9.82**4.8★29,112 reviews](https://www.amazon.com/dp/B000AL8VD2) [![AGS Dielectric Grease for Electrical Connectors 4oz Silicone Grease for Spark Plugs Battery Terminals Wiring & Connectors Made in USA Since 1931 Brush-Top Can for Precise Mess-Free Application](https://m.media-amazon.com/images/I/41L6y5goCBL.jpg)**AGS Dielectric Grease for Electrical Connectors 4oz Silicone Grease for Spark Plugs Battery Terminals Wiring & Connectors Made in USA Since 1931 Brush-Top Can for Precise Mess-Free Application** AGS**$10.05**4.7★1,459 reviews](https://www.amazon.com/dp/B0BRBSD2BS) [![AstraVox Silicone Dielectric Grease for Electrical Connectors Automotive Dialectric Grease with a Brush Spark Plug O Rings Marine Waterproof & Heat-Resistant & Insulating 1oz (1pcs)](https://m.media-amazon.com/images/I/41-yOQJiT9L.jpg)**AstraVox Silicone Dielectric Grease for Electrical Connectors Automotive Dialectric Grease with a Brush Spark Plug O Rings Marine Waterproof & Heat-Resistant & Insulating 1oz (1pcs)** AstraVox**$7.96**4.7★486 reviews](https://www.amazon.com/dp/B0DKXB4FFM) [![BTAS Dielectric Grease Automotive for Electrical Connectors Di Dialectical Contact Tune-Up Grease of Car Spark Plug Boot Components Battery Terminal Electric Grasa Against Salt Corrosion 1 oz 2 Pcs](https://m.media-amazon.com/images/I/51+2LWm3qnL.jpg)**BTAS Dielectric Grease Automotive for Electrical Connectors Di Dialectical Contact Tune-Up Grease of Car Spark Plug Boot Components Battery Terminal Electric Grasa Against Salt Corrosion 1 oz 2 Pcs** BTAS**$9.73**4.8★2,347 reviews](https://www.amazon.com/dp/B0D7V466YW) [![BTAS Dielectric Grease for Automotive Electrical Connectors Car Battery Terminal Spark Plug Boot Corrosion Preventer Electric Silicone Paste Dialectical Grease of Marine Electronics with PTFE 8 oz](https://m.media-amazon.com/images/I/41DdDw96eyL.jpg)**BTAS Dielectric Grease for Automotive Electrical Connectors Car Battery Terminal Spark Plug Boot Corrosion Preventer Electric Silicone Paste Dialectical Grease of Marine Electronics with PTFE 8 oz** BTAS**$18.36**4.8★2,347 reviews](https://www.amazon.com/dp/B0D9W6QPG6) [![YOLOtek Veteran Owned - Silicone Dielectric Grease 10g - Automotive/Marine Grease and Seals for Spark Plugs Battery Terminals & Electrical Connectors](https://m.media-amazon.com/images/I/41PElOKrLhL.jpg)**YOLOtek Veteran Owned - Silicone Dielectric Grease 10g - Automotive/Marine Grease and Seals for Spark Plugs Battery Terminals & Electrical Connectors** YOLOtek**$6.98**4.7★922 reviews](https://www.amazon.com/dp/B08PB43S32) [![CRC INDUSTRIES DI-ELECTRIC GREASE-3.3 OZ. POWER DISPENSER (05113)](https://m.media-amazon.com/images/I/316kvVgMtgL.jpg)**CRC INDUSTRIES DI-ELECTRIC GREASE-3.3 OZ. POWER DISPENSER (05113)** CRC**$18.29**4.8★1,067 reviews](https://www.amazon.com/dp/B01DOEJZTK) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Quality-Overall**21% *“product performs great”* **Advertised Vs Actual Product**18% *“As advertised”* **Value For Money**10% *“Worth it”* **Efficiency**10% *“Works well”* **Lubrication**8% *“Good Grease”* **Ease Of Use**6% *“Easy to use”* **Rusts/Corrodes**5% *“It protects electrical connections from corrosion”* **Connectivity-Overall**4% *“Connectivity”* **Size-Overall**3% *“Excellent size tube”* **Durability**2% *“will keep for many years to come”* ### **What buyers complain about ** **Size-Overall**19% *“very small size”* **Rusts/Corrodes**17% *“car battery terminals can develop battery terminal corrosion”* **Adhesion/Stickiness**7% *“use it on the spark plug boot so they wont stick”* **Durability**6% *“was bent, and could have been stronger”* **Connectivity-Overall**4% *“The connections all will be buried”* **Defective Material/Parts**4% *“Damaged item bent brush”* **Value For Money**4% *“Way over priced”* **Ease Of Use**4% *“Some of them were difficult to operate”* **Advertised Vs Actual Product**2% *“The ad feature doesn't mention this”* **Battery Life**2% *“My car battery died”* #### **Top return reasons**- Value For Money20% - Defective Material/Parts18% - Size-Overall17% - Advertised Vs Actual Product9% - Functionality-Overall8% - Compatibility-Overall6% - Lubrication5% - Maintenance And Repair4% - Leak-Proof3% - Product Condition2%