✓ In stock Black aluminum shouldered specialty rivet for Toyota and Lexus windshield moulding applications. The integrated shoulder provides precise positioning in the panel hole, ensuring consistent moulding alignment around the glass opening. The all-aluminum construction (rivet body and mandrel) resists corrosion in the moisture-exposed windshield area. Matches Toyota/Lexus OEM 75547-51021. Specifications Type: Shouldered Specialty Blind Rivet Application: Windshield Moulding & Trim Material: Black Aluminum Rivet / Black Aluminum Mandrel Rivet Diameter: 1/8" Grip Range: 1/32"–1/16" Flange Diameter: 13/32" Shoulder Diameter: 1/4" Vehicle Fitment Lexus IS 250 (2006–present) Lexus IS 350 (2006–present) Lexus IS F (2008–2014) Toyota — windshield moulding applications (2002–present); verify OEM number against your existing rivet Cross-Reference Numbers Toyota/Lexus OEM: 75547-51021 SMS Part#: 21082 What does the shoulder on this rivet do? The shoulder is a raised cylindrical section between the flange and the rivet shank. It fits snugly into the panel hole and positions the rivet precisely, preventing lateral movement of the moulding relative to the windshield opening. This ensures consistent gap and alignment around the glass — an important factor for both appearance and weatherstripping performance. Why is the grip range so short (1/32"–1/16")? Windshield moulding at the glass edge is typically a thin, precise stack — the moulding itself seats against the pinch weld with very little combined thickness. The 1/32"–1/16" grip range is engineered for this thin stack, ensuring the rivet sets correctly without over-compressing or under-setting in the shallow panel assembly. Why does this rivet use a black aluminum mandrel? The black aluminum mandrel matches the rivet body color for a clean appearance, and eliminates galvanic corrosion between dissimilar metals in the windshield area — where moisture from rain and washing is common. An all-aluminum construction is the preferred choice for corrosion-sensitive exterior applications. Is this an OEM equivalent replacement? Yes. This rivet matches Toyota/Lexus OEM part number 75547-51021 and is a direct replacement for the factory-installed fastener in Lexus IS 250/350/IS F and Toyota windshield moulding applications. What pack sizes are available? Available in packs of 15, 30, 60, and 90, sized for single-vehicle windshield moulding replacements up to full shop supply quantities.
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