【❗Fitment (Compatibility Description):❗:】 Direct Replacement For 1985-1986 And 1991 Cadillac Fleetwood Rear Right Drum Applications; Specified As 225 X 45Mm. ✅【 Function (Component Description):】 Designed To Provide Manual Adjustment Of The Rear Drum Brake Shoes To Maintain Correct ShOE-To-Drum Clearance. ✅【 Replacement Reason (Service Description):】 Commonly Replaced When The Adjuster Becomes Seized, Worn, Or Threads Are Damaged. ✅【 Construction and Material:】 Constructed From Plated Steel Components To Resist Corrosion And Match Original Dimensions. ✅【 Testing and Installation:】 Inspected For Thread Engagement And Fit; Installs In The Original Adjuster Location And Functions With Standard Drum Brake Servicing Procedures. ASIN B0DZ3RWD6V Brand Sawyer Auto