Until a replacement arrives you might be able to patch it with X-Treme Tape. I get it a Harbor Freight.
http://www.xtremetape.com/
X-Treme Tape:
•Is Self-Fusing...No Adhesive
•Withstands Over 500°F (260°C) of Heat
•Remains Flexible to -85°F (-60°C)
•Has an Amazing 700 PSI Tensile Strength
•Insulates to 8,000 Volts per Layer
•UL Listed.
•Stretches 300%
•High Tensile Strength
•High Dielectric Strength
•Advanced Bonding Properties
•ISO 9001:2008 Certification
•Creates a Permanent Air-Tight, Water-Tight Seal in seconds!
•Never gets gooey or sticky like old-fashioned electrical tape or duct tape - No messy cleanup!
•Has an incredibly long shelf life!
•Is extremely versatile!
•Resists Acids, Fuels, Oils, Solvents, Salt Water, UV Rays