8mm nylon push rivet - 15mm head, 21mm length, fits 8mm hole

GM 21075686 Replacement Push Rivets – 8mm Rocker & Fender Liner Clips

Single Rivet
$0.06
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8mm nylon push rivet - 15mm head, 21mm length, fits 8mm hole

GM 21075686 Replacement Push Rivets – 8mm Rocker & Fender Liner Clips

$0.06
Pack Size

Aftermarket replacement for GM OEM part 21075686 (cross-referenced with 11561878) — the 8mm nylon push retainer GM used for decades on rocker panels, wheel liners, air inlet ducts, and cowl grilles. Identical 8mm shank, 15mm head, ~20mm length.

Used across the GM lineup including

Chevrolet Silverado / C-K 1500-3500, Tahoe, Suburban, Colorado, Avalanche, S-10 • GMC Sierra, Yukon, Canyon, Sonoma, Envoy, Jimmy, Savana • Cadillac Escalade • Hummer H2 • Pontiac Firebird, Grand Prix, G6, Sunfire • Saturn S-Series and L-Series • Oldsmobile Aurora, Bravada

Common locations

  • Rocker panel and wheelhouse liner retainers
  • Air inlet duct and cowl grille fasteners
  • Splash shield and baffle retainers

Specs

  • 8mm shank — fits 8mm (5/16") holes
  • 15mm head, black UV-resistant nylon
  • Replaces GM 21075686 / 11561878

Sold individually or in 50–1000 packs.

Price per rivet:

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