Left Secondary Air Injection Check Valve for Mercedes-Benz CL500 CLK320 CLK500
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- Mercedes-Benz CL500 (left-side valve where equipped)
- Mercedes-Benz CLK320 / CLK500 (matching secondary air system)
Product Overview
The secondary air system sends fresh air into the exhaust during certain cold-start conditions. A stuck check valve can allow hot exhaust to damage upstream hoses or the air pump, and may accompany a secondary-air fault code.
Key Features & Performance
- Left-side secondary air check valve
- Emissions-system part
- One-way air-flow function
Common Reasons for Replacement
- Secondary-air system fault codes
- Exhaust leakage into injection hose
- Damaged or carbon-stuck valve
Fitment Notes
Identify the bank/side, hose fittings and original valve number; some engines use different valves or only one valve.
Frequently Asked Questions
Is this an OEM part? No. Unless the listing explicitly states otherwise, this is an aftermarket replacement or accessory. Manufacturer names and OE numbers identify the intended application.
How do I confirm fitment? Identify the bank/side, hose fittings and original valve number; some engines use different valves or only one valve.
Part Summary
Keywords: Left Secondary Air Injection Check Valve, Mercedes-Benz CL500, Mercedes-Benz CLK320 / CLK500.
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.