Emission Check Valve for 1967-1998 Chevrolet Camaro & More - Dorman 355050

Keep emission-system flow moving in the right direction with the Dorman Emission Check Valve, part number 355-050. This one-way check valve lets flow pass in its intended direction and blocks it from reversing. If the original valve has failed, this valve replaces it. It fits many vehicles, among them the 1988-1993 Chevrolet C1500 4.3L / 5.0L / 5.7L / 7.4L, 1988-1993 Chevrolet K1500 4.3L / 5.0L / 5.7L and 1968-1985 Chevrolet Impala 3.8L / 4.1L / 4.3L / 4.4L / 5.0L / 5.3L / 5.4L / 5.7L / 6.5L / 6.6L / 7.0L / 7.4L. See the Buyer's Guide tab for the full list with engine codes.

• Direct replacement: Dorman designed this valve to fit and function like the original on the listed applications.
• Replaces a failed valve: It installs in place of the original valve after that valve fails and provides a working one-way valve in its place.
• Durable construction: Metal construction from quality materials, built for durability and reliable performance.
• Trusted support: Backed by Dorman's team of product experts in the United States and more than a century of automotive experience.

Specifications: 0.75 in inlet size · 0.75 in thread diameter · 50 psi maximum pressure rating · working temperature range of -20 to 301 · black finish · metal construction. Package contents: one check valve. Country of origin: China.

Signs this valve may need replacing include a cracked, leaking or damaged valve or an emissions-related fault. Diagnose the cause before replacing it, because other emission components can produce similar symptoms.