DURABLE DESIGN - Fully brazed aluminum design (as specified by vehicle requirements), enhances efficiency and durability QUALITY ASSURANCE - Every unit undergoes leak testing to ensure product integrity and performance EASY INSTALLATION - Drop-in exact-fit design to make installation a breeze DIRECT REPLACEMENT - Designed as a replacement part for OE numbers 3C0819031A, 3C0819031 and 561819031C ENSURE FITMENT - Ensure a perfect match with your vehicle by entering its details in the Amazon Confirmed Fit tool provided on this page