Di-electric Grease 1/3 oz. Tube Email Di-electric Grease - 1/3 oz. Tube Part #: WA-DEG-1 Part #: WA-DEG-1 Quantity Price ea. 1 + $7.23 7.23 Back to: Electrical Tapes & Dielectric Grease Ask a question about this product 3M Economy Black PVC Electrical Tape 3M Economy Black PVC Electrical Tape 10 Pack Description Di-electric Grease helps prevent corrosion and keeps moisture out of sensitive electrical connections. Use on spark plug wires, trailer hitch connections and other sensitive areas. Rated for -40F to 400F. Comes in a compact 1/3 oz tube.