4 Oz Silicone Dielectric Grease
Silicone dielectric grease lubricates, seals and insulates electrical connectors, O-rings and plumbing parts from -40 °F to 400 °F with 500 V/mil insulation
- Key featuresLubrication, Sealing, Protection, Electrical Insulation, Wat
- Product weight0.159 kg
- Product typeGrease
- Protects connectors from corrosion with 500V/mil electrical insulation
- Withstands extreme temperatures from -40F to 400F without hardening
- Waterproof seal prevents leaks on automotive, plumbing and electrical parts
- Compatible with NBR, EPDM and silicone rubber without swelling or cracking
- 4 Oz tube delivers long-lasting lubrication for brake pins, O-rings and battery terminals
4 oz Silicone Dielectric Grease
This 4 oz silicone dielectric grease provides waterproof lubrication, sealing and electrical insulation for automotive, plumbing and electrical connectors. It protects O-rings, gaskets and terminals from moisture, salt and corrosion. The compound withstands temperatures from -40F to 400F without hardening or melting. TSCA certification confirms compliance with safety requirements.
Technicians maintaining rubber seals and wiring
The grease suits mechanics, electricians and DIY users who need a non-conductive paste for spark plug boots, battery terminals, brake caliper pins and plumbing O-rings. It is compatible with NBR, EPDM and silicone rubber without causing swelling or cracking. Buyers who require a conductive thermal compound for CPU or GPU heat transfer should select a different product.
Stable viscosity across a wide temperature range
Under sustained heat the grease resists oxidation and UV exposure, keeping its texture instead of drying out or running off. The 500V/mil dielectric strength remains effective during long-term exposure to moisture and salt. This behaviour reduces the frequency of re-application on connectors and seals that see continuous thermal cycling.
How it compares
Measured against everything we stock in Greases, Lubricants & Dispensers, at today’s prices. Recalculated every night.
- Price $15.99
- Pricier than about 60% of the 122 comparable items (median $14.99).
Specifications
| Product | |
|---|---|
| Brand name | FOTU |
| Product type | Grease |
| Size & build | |
| Product weight | 0.159 kg |
Questions about this item
What rubber parts should I already have to apply the 4 oz dielectric grease?
The grease is compatible with NBR, EPDM and silicone rubber O-rings, gaskets and seals without causing swelling or cracking.
Will the grease stay stable on older brake caliper pins that see -40F to 400F?
Yes, the silicone-modified petroleum formula resists oxidation and UV rays and keeps its texture across that full temperature range.
How can I confirm the 500V/mil insulation is protecting my spark plug connectors after application?
Check for absence of moisture ingress, corrosion or arcing on the terminals during normal engine operation.
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