{"product_id":"20556016-control-valve-genuine-volvo-penta","title":"20556016 Control Valve | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n A genuine engine-brake control valve used on compatible Volvo D12-based installations. It controls the pneumatic or oil-actuated engine-brake circuit and must match the exact engine-brake configuration.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Calibrated for the documented rated-speed or engine-control configuration\n \u003c\/li\u003e\n \u003cli\u003e\n  Cross-referenced to Volvo 20508910\/20564732 and Renault Group 7420913287\/7424426572\n \u003c\/li\u003e\n \u003cli\u003e\n  Maintains commanded speed as engine load changes\n \u003c\/li\u003e\n \u003cli\u003e\n  Mechanical interfaces match the specified linkage and fuel-control travel\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type, serial number, rated power and governed rpm are required for correct selection\n \u003c\/li\u003e\n \u003cli\u003e\n  Final adjustment must follow the Volvo Penta governing procedure\n \u003c\/li\u003e\n \u003cli\u003e\n  Inspect linkage freedom, return springs and fuel-system condition before replacement\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: Volvo Penta D12 inline-six industrial diesel\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Controls flow or pressure in the engine-brake or related control circuit.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  The engine brake weak, slow to apply, or not working at all\n \u003c\/li\u003e\n \u003cli\u003e\n  The brake staying partly applied, giving a rough idle and lost power\n \u003c\/li\u003e\n \u003cli\u003e\n  Hissing or an audible leak from the valve when the brake is commanded\n \u003c\/li\u003e\n \u003cli\u003e\n  A fault code raised against the engine-brake circuit\n \u003c\/li\u003e\n \u003cli\u003e\n  On strip-down, a sticking spool, perished seals or a blocked control drilling\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Supersedes 20450036\n \u003c\/li\u003e\n \u003cli\u003e\n  Check the control supply and the wiring before condemning the valve - a low supply pressure gives identical symptoms\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine-brake configuration varies within the family, so confirm the valve against the engine number rather than by appearance\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM Supersession Chain\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  20556016 → Supersedes 20450036\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  20450036 earlier number superseded by this part\n \u003c\/li\u003e\n \u003cli\u003e\n  24426572 - Related exhaust-brake valve-block reference\n \u003c\/li\u003e\n \u003cli\u003e\n  20556032 - Related Bracket\n \u003c\/li\u003e\n \u003cli\u003e\n  20556179 - Related Shim\n \u003c\/li\u003e\n \u003cli\u003e\n  20556241 - Related Oil Pan\n \u003c\/li\u003e\n \u003cli\u003e\n  20508910 - Related Volvo exhaust-brake valve references\n \u003c\/li\u003e\n \u003cli\u003e\n  20564732 - Related Volvo exhaust-brake valve references\n \u003c\/li\u003e\n \u003cli\u003e\n  7420913287 - Related Renault\/Volvo Group references\n \u003c\/li\u003e\n \u003cli\u003e\n  7424426572 - Related Renault\/Volvo Group references\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n Aftermarket \/ Verified Equivalents\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  DT Spare Parts: 2.14652\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53379663397156,"sku":"4697968","price":611.24,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_df29b085-5f0c-445f-a9f5-a0caba53f5dc.png?v=1788054872","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/20556016-control-valve-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}