Cummins Engine Brake Valve 3686307 is used primarily for XPI fuel systems on EPA13 Automotive 15 liter ISX/QSX engines.
Warranty for Cummins New and Recon parts purchased on shop.cummins.com is 1 year/100,000 miles (160,934 kms) from the invoice date. Exceptions apply. See complete warranty information for all products sold on shop.cummins.com.