Omix proudly offers all the parts you need to keep your Jeep running like new with quality standards that always meet or exceed those of the factory part. This replacement thermostat retainer fits 41-45 MB/GPW, 46-49 CJ2A, 49-53 CJ3A and 50-52 M38 models equipped with 134 ci L-Head engines. Used to retain the thermostat inside the housing. Replaces OE 639651 Warranty
