3 sizes of zipper heads for METAL toothed zippers. Hopefully 1 will fit your jacket & you won't have to replace the zipper, just the pull.
Buy Wholesale China Luggage Hardware Accessories Metal Zipper
ZIPPER REPAIR PARTS
Milwaukee 1-3/8 in. High Carbon Steel Universal Fit Japanese Teeth
10pcs Plating Black #3 #5 #8 Metal Zipper Pulls Sutable For Nylon Resin Metal Zippers High-grade Slider Zinc Alloy Zipper Head
Milwaukee 1-3/8 in. Carbide Universal Fit Extreme Metal Cutting
Nylon Zipper Manufacture Fancy 3# 5# 8# 10# Closed Open End
5 Metallic Nylon Open Teardrop Zipper Pulls - WAWAK Sewing Supplies
ZIPPER REPAIR PARTS
Goyunwell #5 White Zippers by The Yard 5 Yards #5 Nylon White Zipper Tape by The Yard for Sewing with 10 Pcs Silver Zipper Pulls Sliders Zipper for Sewing You can get the exact length of Nylon zipper you need without wasting. The white zipper tape can be conveniently cut by scissors, The nylon zipper rainbow open and close smoothly. The zipper by the yard is easy to sew with and the pull tags are easy to pit on.
Goyunwell #5 White Rainbow Zipper Tape 5 Yard by The Yard Roll Nylon Coil Zippers for Sewing 10 Pcs Silver Zipper Pulls Long Zippers for Purses and
Black Zipper With Silver Coil Kit – My Handmade Space
15 Types of Zippers & a guide to different parts of a zipper
Meetee 10Pcs 3# 5# 8# 10# Zipper Slider for Metal Zip Tape Bag Clothes Zippers Head Pull Repair Kit Luggage Zips Lock Accessory
Zipper Head Replacement Pack - 5 Black #10 Zipper Heads for Coil Teeth