The carbide seal system kit fits DYL Swivels, DYG Swivels, DYF Swivels and DYT Swivels.
Mosmatic - Carbide Seal System Seal Kit
Mosmatic DGS Inline Swivel Seal Repair Kit
Mosmatic 40.019 Rotary Unions WDG Swivel G1 3/8 NPTF G2 G1/4 M: Tools Products: : Tools & Home Improvement
GP 2103051 - Hose Reel Swivel (Fits all DHR Models) - KECSupplies.com
Pressure Washer Hose Reel Kit 100' Gray Non Marking Hose and 5' Jumper with QC
GP 2100278 Kit Repair, Hose Reel Swivel - KECSupplies.com
Swivels For Pressure Washers And Reels – ENVIROSPEC
Mosmatic: Mosmatic parts and Accessories
Hose Reel Swivels and Pressure Washer Swivels - 1/4” & 3/4