Ancor 304624 Marine Gradeâ„¢ Adhesive Lined Heat Shrink Tubing, 3/8" x 12" , Red, 5/Pk $13.99=+$1.85 Designed to prevent vacuum build

Designed to prevent vacuum build up during use which can disrupt fuel delivery they also double as a pressure release valve for the gas tank

Mercury-Mercruiser 19784A8 BRUSH ASSY

Fully retractable

Mercury-Mercruiser 842247002 BRACKET

then return to their original length

Ancor 304624 Marine Gradeâ„¢ Adhesive Lined Heat Shrink Tubing, 3/8" x 12" , Red, 5/Pk $13.99=+$1.85 Designed to prevent vacuum buildInsulates and protects connections from mechanical abuse, wire pullout and abrasion. Heat activated adhesive lining provides impervious seal to salt water, oil, acids, and sunlight as well as providing strain relief. Highest shrink ratio shrinks to 1 3 original size. Shrinks at 257A F 125A C.