A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.
Flexible, anaerobic gasketing material (Red). Use on rigid machined flanges with less than 0.010" gap. Seals upon assembly, no waiting required. Adheres well to aluminum, iron, steel and magnesium. May also be used on automatic/manual transaxle cases, gear shift housings, dipstick tubes, water pumps and engine flanges.