Home Boats, Motors & Engine Parts Engine Parts Lower Unit Seal Kits & Drain Screws Sierra Lower Unit Seal Kit For Chrysler Force Engine Sierra Part #18-2638 ITEM: 318863 Close Sierra Lower Unit Seal Kit For Chrysler Force Engine Sierra Part #18-2638 ITEM: 318863 NON-MEMBER $34.99 GOOD SAM CLUB $33.24 NON-MEMBER $34.99 GOOD SAM CLUB $33.24 In Stock Please make sure all selections are complete and a valid quantity is entered and try again. Features Reviews Q & A Features Sierra Part #18-2638Lower unit seal kitFor Chrysler Force engine Sierra lower unit seal kit for Chrysler Force engine. Sierra Part #18-2638.OEM Part Number:FK1065 Show more Reviews Q & A