1963–Early 1975 Corvette Washer Reservoir Cap 3798372

1963–Early 1975 Corvette Washer Reservoir Cap 3798372 - OEM Number(s) (3798372)

Keeps washer fluid sealed and vented for proper system performance.

Protect your Corvette’s washer system with this OE-style Reservoir Cap. Designed for 1963 through early 1975 models, it features the correct overflow vent port for factory function. Built to original specifications, this cap maintains authenticity and ensures washer fluid remains clean and contained.

Fits the Following Corvette Models:

1963–Early 1975 C2 & C3 Corvettes

Material/Finish:

Molded black plastic with OE-style overflow vent port.

Dimensions:

• Port diameter: 9/32" (7 mm)

• Height: 2 3/4" (70 mm)

• Width: 2 1/4" (57 mm)

Features/Benefits:

• Correct OE-style overflow vent for early models

• Direct replacement part for 1963–Early 1975 Corvettes

• Maintains washer system integrity and prevents contamination

• GM reference part number: 3798372

• Sold individually, 1 required per Corvette

Because Details Matter

The subtle overflow port, the precise fit—it’s details like these that separate a true restoration from a mere replacement. This reservoir cap preserves function and originality, because details matter.

Also known under these part numbers: (For reference only)

• 3798372
• 652016