{"product_id":"volvo-1428","title":"Volvo Penta — Hydraulic Steering Nipple — 984378","description":"\u003ch2\u003eVolvo Penta 984378 Hydraulic Steering Nipple\u003c\/h2\u003e\n\u003cp\u003eVolvo Penta \u003cstrong\u003e984378\u003c\/strong\u003e is a genuine OEM hydraulic nipple used in steering-system hose and cylinder assemblies. It connects hydraulic steering plumbing at the steering cylinder or steering-control assembly in selected DPH, DPR, and D3 installations.\u003c\/p\u003e\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDPH-A steering systems\u003c\/li\u003e\n\u003cli\u003eDPH-B steering systems\u003c\/li\u003e\n\u003cli\u003eDPH-D1 steering systems\u003c\/li\u003e\n\u003cli\u003eDPR-A steering systems\u003c\/li\u003e\n\u003cli\u003eDPR-B steering systems\u003c\/li\u003e\n\u003cli\u003eDPR-D steering systems\u003c\/li\u003e\n\u003cli\u003eDPH and DPR single steering-cylinder installations\u003c\/li\u003e\n\u003cli\u003eDPH and DPR starboard twin steering-cylinder installations\u003c\/li\u003e\n\u003cli\u003eD3-140A-G electronic-steering systems\u003c\/li\u003e\n\u003cli\u003eD3-170A-G electronic-steering systems\u003c\/li\u003e\n\u003cli\u003eD3-200A-G electronic-steering systems\u003c\/li\u003e\n\u003cli\u003eD3-220A-G electronic-steering systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfirm the exact drive model, engine model, steering configuration, and applicable Volvo Penta diagram before ordering. Steering assemblies can use both 984378 and nearby nipple 984379, and the two should not be treated as interchangeable based on appearance.\u003c\/p\u003e\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Volvo Penta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 984378\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOfficial description:\u003c\/strong\u003e Nipple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Hydraulic steering nipple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e Hydraulic and electronic steering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagram locations:\u003c\/strong\u003e Steering cylinder, electronic steering, and sterndrive joystick systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical diagram quantity:\u003c\/strong\u003e One per applicable assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3863223:\u003c\/strong\u003e Hydraulic hose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e984379:\u003c\/strong\u003e Adjacent hydraulic nipple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e984376:\u003c\/strong\u003e Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e925053:\u003c\/strong\u003e O-ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3862321:\u003c\/strong\u003e Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21548739:\u003c\/strong\u003e Hydraulic hose kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cp\u003eReplace the nipple if its threads or sealing surfaces are damaged, corrosion is present around the connection, hydraulic fluid is leaking at the fitting, the fitting was distorted during hose removal, or an incorrect substitute was previously installed. Any leak should also prompt inspection of the connected hose, O-rings, and nearby steering components.\u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eInstall 984378 only in the diagram position specified for the steering system. Inspect the mating hydraulic hose and surrounding components for damage or contamination before assembly. Follow the applicable Volvo Penta workshop procedure for tightening specifications, hydraulic-system assembly, and steering-system bleeding.\u003c\/p\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs 984378 interchangeable with 984379?\u003c\/strong\u003e\u003cbr\u003eNo interchangeability is established. Match the part number to the exact hose connection and diagram position.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit every DPH, DPR, or D3 installation?\u003c\/strong\u003e\u003cbr\u003eNo. Fitment depends on the complete drive or engine designation, steering configuration, and applicable parts diagram.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs hydraulic hose 3863223 included?\u003c\/strong\u003e\u003cbr\u003eIt is shown as a related component in applicable assemblies. Confirm included components before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e Use this genuine fitting where the applicable Volvo Penta steering-cylinder or electronic-steering diagram specifies 984378.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMost common mistake:\u003c\/strong\u003e Confusing 984378 with adjacent nipple 984379 because both appear in the same hydraulic system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment guidance:\u003c\/strong\u003e Match the exact hose connection, diagram position, drive or engine model, and steering configuration rather than choosing the fitting by appearance.\u003c\/p\u003e","brand":"VOL","offers":[{"title":"Default Title","offer_id":43564071813156,"sku":"984378","price":13.9,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/images_2b974469-fc95-4c83-bfe9-e7f1b935a4d6.jpg?v=1789416594","url":"https:\/\/marisolmarine.com\/products\/volvo-1428","provider":"Marisol Marine Company","version":"1.0","type":"link"}