{"product_id":"sierra-18-70937-port-cylinder-head-hose-for-johnson-evinrude-omc-brp-88-115-hp-outboards-1994-1998-replaces-omc-340976","title":"Sierra Port Cylinder Head Hose 18-70937, Replaces OMC 340976, Fits Johnson\/Evinrude 90-115 HP Outboards","description":"\u003cp\u003eThe Sierra 18-70937 is a port-side cylinder head hose engineered as a direct replacement for Johnson and Evinrude (OMC\/BRP) outboard engines. This hose connects to the port cylinder head as part of the engine's water or fuel circulation routing, and is built to meet or exceed original equipment quality so it seals and performs like the factory part it replaces. It is molded from rubber for flexibility and resistance to the heat, oil, and fuel exposure typical of an outboard powerhead, and is finished in white to match the original OEM hose appearance.\u003c\/p\u003e\u003cp\u003eBecause this is a port-side-specific hose, it is not interchangeable with the starboard-side hose used on the same engine family -- the starboard hose is a separate part number, so confirm you are ordering for the correct side before installation. The 18-70937 fits a range of Johnson\/Evinrude outboard models from 88 HP through 115 HP, spanning several model years as detailed below, making it important to confirm your engine's specific model designation and year before purchase.\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 18-70937\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Name:\u003c\/strong\u003e Cylinder Head Hose (Port)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.51 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282203368\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) 90 HP (1994-95)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) 100 HP (1996-97)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) 115 HP (1994-97)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) E88 (1996)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) E90 (1996-98)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) E100 (1996-97)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) E112 (1996)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) E115 (1996-98)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) J88 (1996)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) J90 (1996-98)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) J100 (1997-98)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) J112 (1996)\u003c\/li\u003e\n\u003cli\u003eJohnson\/Evinrude (OMC\/BRP) J115 (1996-98)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e340976\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does the Sierra 18-70937 fit?\u003c\/strong\u003e The Sierra 18-70937 fits Johnson and Evinrude (OMC\/BRP) outboard engines including the 90 HP (1994-95), 100 HP (1996-97), 115 HP (1994-97), and the E88, E90, E100, E112, E115, J88, J90, J100, J112, and J115 models across 1996-1998, depending on model.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this hose for the port or starboard side?\u003c\/strong\u003e Part number 18-70937 is the port cylinder head hose specifically. The starboard-side hose for the same engine family is a different part number, so double-check your engine's port side before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat OEM part number does the 18-70937 replace?\u003c\/strong\u003e It replaces OMC part number 340976. If your parts diagram or engine manual lists 340976 for the port cylinder head hose, the Sierra 18-70937 is the correct match.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the hose made from?\u003c\/strong\u003e The 18-70937 port cylinder head hose is made from rubber, chosen for flexibility and resistance to the heat and fluid exposure found around an outboard cylinder head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat color is the Sierra 18-70937 hose?\u003c\/strong\u003e This hose is white, matching the original equipment color used on the covered Johnson\/Evinrude outboard models.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does this part weigh?\u003c\/strong\u003e The Sierra 18-70937 port cylinder head hose weighs 0.51 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-70937 a genuine OEM part or aftermarket?\u003c\/strong\u003e The 18-70937 is a Sierra-branded aftermarket replacement part, manufactured to meet or exceed the quality of the original equipment OMC 340976 hose it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use this hose on any Johnson or Evinrude outboard?\u003c\/strong\u003e No, the 18-70937 is fit-specific to the 88-115 HP Johnson\/Evinrude models and years listed for this part; it should not be assumed to fit outboards outside that range.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-70937 come with clamps or fittings?\u003c\/strong\u003e The 18-70937 is supplied as the cylinder head hose itself; check your engine's existing clamps and fittings for reuse during installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know if my engine needs the port hose or the starboard hose?\u003c\/strong\u003e Identify which cylinder head the failed or aging hose connects to on your engine; the 18-70937 is specifically the port-side hose, while the starboard side uses a separate Sierra part number.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the UPC for the Sierra 18-70937?\u003c\/strong\u003e The UPC for the Sierra 18-70937 port cylinder head hose is 808282203368.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988362866907,"sku":"SIE-18-70937","price":19.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-70937_lg__18840.1558130530.500.750.jpg?v=1785188528","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-70937-port-cylinder-head-hose-for-johnson-evinrude-omc-brp-88-115-hp-outboards-1994-1998-replaces-omc-340976","provider":"Good Vibes Marina","version":"1.0","type":"link"}