Honda Civic Windshield Moulding & Interior Trim Retainer | Triple Head Yellow | 21676
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The South Mountain Supply 21676 is a yellow nylon triple-head trim retainer for Honda Civic vehicles. This clip secures windshield moulding and interior trim panels using a three-tier head that distributes the retention load across multiple panel layers, providing a secure fit that resists rattling and trim separation.
Specifications
- Type: Triple Head
- Application: Windshield Moulding & Interior Trim
- Material: Nylon
- Color: Yellow
- Bottom Head Diameter: 18mm
- Top Head Diameter: 13mm
- Stem Length: 12mm
- Stem Diameter: 9.5mm
- Pack Sizes Available: 25, 50, 100, 150
Vehicle Fitment
- Honda Civic — verify OEM number against your existing retainer to confirm year range compatibility
Cross-Reference Numbers
- Honda OEM: Verify OEM number against your existing retainer before ordering
What does the 21676 secure on the Honda Civic?
The 21676 is used on the Honda Civic to retain the windshield moulding (the trim strip that runs along the outer edge of the windshield) and interior trim panels. The windshield moulding retainer is particularly important in auto glass work — these clips must be replaced when a windshield is removed and reinstalled to ensure the moulding seals properly against the glass and body.
Why is this retainer yellow?
Honda used color-coded retainers on some Civic models to aid technicians in identifying the correct clip for specific locations during assembly and service. The yellow color is the factory specification for the windshield moulding and interior trim applications this clip is designed for. Color-coding reduces the risk of using the wrong clip in a given location.
Why does this retainer have a triple-head design?
Windshield moulding assemblies consist of multiple layers — the outer moulding strip, a backing tape or gasket, and the body flange. The triple-head design locks through this layered assembly, with each tier engaging a different material layer. This prevents the moulding from pulling away at the corners or lifting at the edges, which can allow water infiltration behind the windshield.
How do I replace windshield moulding retainers on a Honda Civic?
During windshield replacement, remove the moulding by pulling it away from the body flange after the glass is removed. Press the old retainers out of the moulding and replace with new 21676 clips. Reinstall the moulding onto the body flange before the new glass is set, ensuring each retainer snaps fully into its body hole. Proper moulding seating is critical to prevent wind noise and water leaks around the new windshield.
What pack size should I order?
The 21676 is available in packs of 25, 50, 100, and 150. A full windshield moulding replacement on most Honda Civic models uses 10–20 retainers. A pack of 25 covers a single vehicle with a few extras. Auto glass shops that regularly replace Civic windshields should stock the 100 or 150 pack for the best per-clip value.