Tool comes with both 1/2" and 3/8" drive.
Tool comes with both 1/2" and 3/8" drive.
O2 Sensor Socket
Extra length is needed sometimes
Secondary Air Injection Check Valve - EGR Valve for M272 & M273 engine applications. Price includes a $ 16.99 refundable core charge.
Downstream Left
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-05-2026
Downstream Left
Downstream/behind catalytic converter
fits Right Side
Used in different positions on several Mercedes-Benz models