{"product_id":"lower-unit-seal-kit-for-volvo-penta-280dp-290dp-sterndrives-replaces-oem-876267-sierra-18-8358","title":"Sierra 18-8358 Lower Unit Seal Kit, Replaces Volvo Penta 876267, for 280DP\/290DP Drives","description":"\u003cp\u003eThe Sierra 18-8358 Lower Unit Seal Kit supplies the seals needed to reseal the lower unit on Volvo 280DP and 290DP drives. It is built for use during lower unit rebuilds and gear case service, giving the drive a fresh, leak-free seal set rather than requiring individual seals to be sourced one at a time. The kit is round in shape and finished in white.\u003c\/p\u003e\u003cp\u003eSierra manufactures this kit to meet or exceed the performance of the original equipment part it replaces, and it is interchangeable with the Mallory 9-77903 and Volvo Penta 876267 parts, giving buyers a straightforward aftermarket option when the original part number is discontinued or hard to find. As with any lower unit seal component, checking the specific drive model and manufacturer recommendations before ordering helps confirm proper fit. Every Sierra part, including the 18-8358, is backed by Sierra's customer satisfaction warranty.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-8358\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Lower Unit Seal Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Count:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.15 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282105525\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVolvo 280DP\u003c\/li\u003e\n\u003cli\u003eVolvo 290DP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMallory 9-77903\u003c\/li\u003e\n\u003cli\u003eVolvo Penta 876267\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-8358 Lower Unit Seal Kit fit?\u003c\/strong\u003e The Sierra 18-8358 is designed for use in Volvo 280DP and 290DP drives.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-8358 kit interchangeable with OEM parts?\u003c\/strong\u003e Yes, the Sierra 18-8358 is interchangeable with the Mallory 9-77903 and Volvo Penta 876267 parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the Sierra 18-8358 Lower Unit Seal Kit weigh?\u003c\/strong\u003e It weighs 0.15 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat shape and color is the 18-8358 seal kit?\u003c\/strong\u003e The Sierra 18-8358 Lower Unit Seal Kit is round in shape and finished in white.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many pieces come in the Sierra 18-8358 kit?\u003c\/strong\u003e The 18-8358 is sold as a single unit count kit containing the seals needed for the lower unit service job.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes Sierra back the 18-8358 with a warranty?\u003c\/strong\u003e Yes, the Sierra 18-8358 Lower Unit Seal Kit is covered under Sierra's customer satisfaction warranty, as are all Sierra parts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the 18-8358 kit work on any Volvo drive?\u003c\/strong\u003e No, this kit is designed specifically for Volvo 280DP and 290DP drives; checking manufacturer recommendations before purchasing helps confirm proper fit for a given application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-8358 an aftermarket or genuine OEM part?\u003c\/strong\u003e The 18-8358 is a Sierra aftermarket part manufactured to meet or exceed the performance of the original equipment part it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-8358 Lower Unit Seal Kit?\u003c\/strong\u003e The UPC for the Sierra 18-8358 is 808282105525.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included in the Sierra 18-8358 kit?\u003c\/strong\u003e The kit includes the Sierra 18-8358 Lower Unit Seal Kit components needed to reseal a Volvo 280DP or 290DP lower unit.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988433678555,"sku":"SIE-18-8358","price":144.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-8358_lg__12139.1558130962.500.750.jpg?v=1785188221","url":"https:\/\/www.goodvibesmarina.com\/products\/lower-unit-seal-kit-for-volvo-penta-280dp-290dp-sterndrives-replaces-oem-876267-sierra-18-8358","provider":"Good Vibes Marina","version":"1.0","type":"link"}