{"product_id":"852644-non-return-valve-exhaust-flap-for-volvo-penta-290-sp-dp-jlm-marine","title":"852644 Non Return Valve Exhaust Flap for Volvo Penta 290 SP DP | JLM Marine","description":"\u003ch2\u003eNon Return Valve Exhaust Flap for Volvo Penta 290 SP DP – Replaces 852644\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket Non Return Valve \/ Exhaust Flap is designed for \u003cstrong\u003eVolvo Penta Sterndrive\u003c\/strong\u003e units, including the \u003cstrong\u003e290, SP-A, SP-B, SP-C, SP-D, SP-E, 290-DP, DP-A, DP-B, DP-C\u003c\/strong\u003e series. Engineered to meet OEM specifications, this exhaust flap ensures reliable performance and proper exhaust flow control in your sterndrive system.\u003c\/p\u003e\n\n\u003cp\u003eThis part directly replaces \u003cstrong\u003eVolvo Penta 852644\u003c\/strong\u003e and \u003cstrong\u003eRM852644\u003c\/strong\u003e, providing a cost-effective solution for maintaining your sterndrive's exhaust system integrity.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDirect replacement for Volvo Penta sterndrive exhaust systems\u003c\/li\u003e\n\u003cli\u003eFits multiple 290 and DP series models\u003c\/li\u003e\n\u003cli\u003ePrevents backflow in exhaust system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e852644\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eRM852644\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e290\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eSP-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eSP-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eSP-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eSP-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eSP-E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003e290-DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eDP-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eDP-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo Penta\u003c\/td\u003e\n\u003ctd\u003eDP-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eNon Return Valve \/ Exhaust Flap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eVolvo Penta Sterndrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Series\u003c\/td\u003e\n\u003ctd\u003e290, SP-A, SP-B, SP-C, SP-D, SP-E, 290-DP, DP-A, DP-B, DP-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces OEM\u003c\/td\u003e\n\u003ctd\u003e852644, RM852644\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × Non Return Valve \/ Exhaust Flap\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and ensure the engine is completely cool before beginning work.\u003c\/li\u003e\n\u003cli\u003eAccess the sterndrive unit and locate the exhaust flap housing on the transom assembly.\u003c\/li\u003e\n\u003cli\u003eRemove any fasteners or clamps securing the old exhaust flap. Take note of the orientation and positioning.\u003c\/li\u003e\n\u003cli\u003eCarefully extract the old non-return valve\/exhaust flap from its mounting location.\u003c\/li\u003e\n\u003cli\u003eInspect the mounting surface and clean any debris, corrosion, or old gasket material thoroughly.\u003c\/li\u003e\n\u003cli\u003ePosition the new exhaust flap in the same orientation as the original component.\u003c\/li\u003e\n\u003cli\u003eSecure the new valve with appropriate fasteners, ensuring a tight seal to prevent exhaust leaks.\u003c\/li\u003e\n\u003cli\u003eDouble-check all connections and verify proper flap movement before reassembly.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery and perform a brief engine test to confirm proper exhaust flow and no backflow.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this exhaust flap fits my Volvo Penta sterndrive?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your current part number with 852644 or RM852644, and verify your sterndrive model is one of the compatible series listed (290, SP-A through SP-E, or DP-A through DP-C).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my exhaust flap needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include water intrusion into the exhaust system, unusual exhaust noise or backflow, corrosion or cracking of the rubber flap, and loss of exhaust pressure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the non-return valve?\u003c\/strong\u003e\u003cbr\u003e\nA: Inspect the exhaust flap annually during routine maintenance. Replace it if you notice cracks, tears, hardening of the rubber, or loss of flexibility, typically every 3–5 years depending on usage and water conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Will this aftermarket flap perform the same as the OEM Volvo Penta part?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this aftermarket replacement is manufactured to OEM specifications using comparable materials and is designed to provide equivalent performance and durability at a more competitive price.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51960672452921,"sku":"19ST002","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/ULB8eDf1IXfFXKJk43Otq6xIPFXaX.webp?v=1771677670","url":"https:\/\/jlmmarine.com\/ru\/products\/852644-non-return-valve-exhaust-flap-for-volvo-penta-290-sp-dp-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}