{"product_id":"21670181-overflow-valve-genuine-volvo-penta","title":"21670181 Overflow Valve | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n A genuine calibrated overflow valve used in the low-pressure fuel-regulator assembly on Volvo Penta TAD550GE generator engines. It controls fuel return flow and helps maintain stable supply pressure to the injection system.\n\u003c\/p\u003e\n\u003ch2\u003e\n 🚤 Compatibility\n\u003c\/h2\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Volvo Penta TAD550GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD551GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD560VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD561VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD734GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD750GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD751GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD752GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD753GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD754GE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD765VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD764VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD763VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD762VE\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta TAD761VE\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Engine Family:\n  \u003c\/strong\u003e\n  TAD\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Year Range:\n  \u003c\/strong\u003e\n  Approximately 2008 - 2020\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta calibrated overflow valve\n \u003c\/li\u003e\n \u003cli\u003e\n  Used with fuel regulator 21638691\n \u003c\/li\u003e\n \u003cli\u003e\n  Controls return flow and low-pressure fuel pressure\n \u003c\/li\u003e\n \u003cli\u003e\n  Works with O-rings 21670186 and 21670190\n \u003c\/li\u003e\n \u003cli\u003e\n  Direct replacement for a sticking or leaking valve\n \u003c\/li\u003e\n \u003cli\u003e\n  Engine type: 5.1L inline four-cylinder or 7.15L inline six-cylinder turbocharged generator diesel\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Meters fuel returning from the low-pressure circuit so the injection system receives a stable supply pressure.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Low fuel pressure and reduced power\n \u003c\/li\u003e\n \u003cli\u003e\n  Unstable idle or load response\n \u003c\/li\u003e\n \u003cli\u003e\n  Excess return flow\n \u003c\/li\u003e\n \u003cli\u003e\n  Fuel leakage or sticking valve\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  Treat it as a sealed, non-adjustable unit — renew it rather than attempting to clean, shim or adjust the internals\n \u003c\/li\u003e\n \u003cli\u003e\n  Work clean: cap the openings, wipe the area down before opening the fuel system, and do not let dirt or fibres into the fuel side while the valve is off\n \u003c\/li\u003e\n \u003cli\u003e\n  Renew the sealing washers, O-rings or gasket that come with the valve, and never reuse a crushed copper or aluminium washer\n \u003c\/li\u003e\n \u003cli\u003e\n  Tighten to the figure in the workshop manual for your engine; these valves screw into fuel housings and heads that strip readily\n \u003c\/li\u003e\n \u003cli\u003e\n  Bleed and prime the fuel system as the manual for your engine describes, then run the engine and check the joint for weeping under working pressure\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 \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  21638691 - fuel regulator\n \u003c\/li\u003e\n \u003cli\u003e\n  21670186 - associated O-ring\n \u003c\/li\u003e\n \u003cli\u003e\n  21670190 - associated O-ring\n \u003c\/li\u003e\n \u003cli\u003e\n  21738263 - solenoid valve\n \u003c\/li\u003e\n \u003cli\u003e\n  21738265 - mounting screw\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":53384260452644,"sku":"7150236","price":63.76,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_bbcdc7ce-5680-4a6c-b8fe-39a522439143.jpg?v=1788061606","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21670181-overflow-valve-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}