1968-1971 C3 Fiberoptic Headlight System Sponge Rubber Seals 3906125 - OEM Number(s) (3906125)
Seal the Look: 1968–1971 Corvette C3 Fiberoptic Headlight Sponge Rubber Seals (Pair)
Your C3’s fiberoptic headlight system is a brilliant example of Corvette innovation—but only if it’s sealed up right. These 1968–1971 Corvette C3 Fiberoptic Headlight System Sponge Rubber Seals are the small but mighty components that keep dust, moisture, and unwanted light out of your fiberoptic housings.
Designed to precisely fit and replace the original GM part number 3906125, these sponge rubber seals restore factory performance and protect the integrity of your headlight fiberoptic system. If you're chasing ghosting issues, dim indicators, or just aiming for a concours-level restoration, this car set is a must-have.
Installs onto glass nib on back of headlight bulb and over fiberoptic in headlight bulb connector to permit optimal light transfer. These are often an overlooked system component,m but need for optimal functionality of your fiberoptics.
Why They Matter:
Without these seals, your fiberoptic system interior monitoring will not function correctly. These gaskets ensure tight, factory-correct sealing—helping your system function as it should.
Key Features:
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Correct fit for all 1968–1971 Corvette C3 fiberoptic headlight indicators
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Replaces GM part number 3906125
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Sold as a car set of four for both left and right housing protection
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Ideal for concours restorations and functional repairs
Materials & Finish:
Keep your optics clean and your Corvette shining bright—order your seal pair today and restore what the factory intended.
Also known under these part numbers: (For reference only)
- 2482555
- 3906125
- 663194
- 686420090977
- HE99J
- ZHDL-221
- ZHDL221