The Genuine Kenworth Fuel Cap Gasket (90‑00334) is a high‑quality replacement sealing gasket designed for Kenworth smooth‑style fuel tank caps. Made from durable, fuel‑resistant rubber, this gasket restores a tight, leak‑free seal between the cap and tank opening, helping prevent fuel evaporation, contamination, and moisture ingress.
Perfect for routine maintenance or replacing a worn, cracked, or hardened gasket, the 90‑00334 ensures proper sealing performance and maintains OEM reliability. Designed to fit genuine Kenworth smooth‑style fuel caps, it installs easily and provides long‑lasting durability in demanding trucking environments.