{"product_id":"21503251-hydraulic-hose-genuine-volvo-penta","title":"21503251 Hydraulic Hose | Genuine Volvo Penta Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Volvo Penta D4\/D6 Power-Steering Hydraulic Hose - Part Number: 21503251\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A formed hydraulic hose used in a selected Volvo Penta D4 or D6 power-steering circuit. It is separately routed from jackshaft hose 21503249 and must be matched by the steering-system diagram.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Volvo Penta hydraulic steering hose\n\u003c\/p\u003e\n\u003cp\u003e\n • Factory-crimped pressure fittings\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct application-specific length and orientation\n\u003c\/p\u003e\n\u003cp\u003e\n • Resistant to hydraulic fluid, heat and vibration\n\u003c\/p\u003e\n\u003cp\u003e\n • Not interchangeable with adjacent hose references without diagram confirmation\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 21503251 (current catalogued reference)\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 21503249 - related jackshaft hydraulic hose\n\u003c\/p\u003e\n\u003cp\u003e\n • 3808486 - related hydraulic hose\n\u003c\/p\u003e\n\u003cp\u003e\n • 3863190 - steering-fluid reservoir\n\u003c\/p\u003e\n\u003cp\u003e\n • 21474337 and 21474338 - steering pump and mounting references\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • No direct formed aftermarket equivalent\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Volvo Penta D4 and D6 hydraulic power-steering systems specifically listing hose 21503251\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • D4 and D6 Aquamatic or jackshaft packages using the matching steering-hose arrangement\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • HP Range: Engine-package dependent\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: D4 or D6 turbocharged marine diesel\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: Steering-system and engine-serial dependent\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Transfers hydraulic fluid through its assigned section of the power-steering circuit.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Hydraulic-fluid leakage\n\u003c\/p\u003e\n\u003cp\u003e\n • Steering assistance becomes weak or uneven\n\u003c\/p\u003e\n\u003cp\u003e\n • Cracked or abraded hose\n\u003c\/p\u003e\n\u003cp\u003e\n • Air repeatedly enters the system\n\u003c\/p\u003e\n\u003cp\u003e\n • Damaged or corroded end fittings\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Volvo Penta part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53385444098340,"sku":"S825537","price":447.05,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_72e6b390-08b0-4712-bad2-0a9450937ca5.png?v=1788062434","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21503251-hydraulic-hose-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}