{"product_id":"a-c-compressor-mechanical-valve-denso-ecv11-nissan-bmw-mercedes-oem-dcs171c","title":"A\/C Compressor Mechanical Valve – Denso ECV11 | Nissan BMW Mercedes | OEM DCS171C","description":"\u003ch2\u003eA\/C Low on Your Nissan, BMW, or Mercedes? Replace the ECV11 Valve for $31.\u003c\/h2\u003e\n\n\u003cp\u003eThe Denso ECV11 mechanical A\/C compressor control valve (OEM DCS171C \/ Zexel-Seltec DCS171C) controls compressor displacement via suction pressure on Nissan Altima, Sentra, 350Z, BMW, and Mercedes-Benz models. When the valve fails or wears, the compressor runs at reduced displacement — resulting in weak or inadequate cooling.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color:#fff9e6;border-left:4px solid #ffcc00;padding:15px;margin:20px 0;\"\u003e\n\u003cstrong\u003e✓ What You Get:\u003c\/strong\u003e Denso ECV11 mechanical A\/C compressor control valve (OEM DCS171C, 97701-2P110, 977012P110) for Nissan Altima 2.5\/3.5, Sentra 2.0\/2.5, 350Z 3.5, BMW, Mercedes-Benz, and selected Hyundai\/Kia models.\n\u003c\/div\u003e\n\n\u003chr style=\"border:0;border-top:1px solid #eee;margin:20px 0;\"\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1× Denso ECV11 mechanical control valve (OEM DCS171C \/ 97701-2P110 \/ 977012P110)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Replace?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores A\/C Cooling:\u003c\/strong\u003e Worn ECV11 valve reduces compressor displacement and cuts cooling output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Simplicity:\u003c\/strong\u003e Pressure-driven — no solenoid, no electrical failure modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaves vs Compressor:\u003c\/strong\u003e New Denso compressor $200+; ECV11 valve swap costs $31.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30-Minute Job:\u003c\/strong\u003e Access compressor valve port, swap valve, reseal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-top:15px;font-family:sans-serif;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#f8f9fa;border-bottom:2px solid #dee2e6;text-align:left;\"\u003e\n\u003cth style=\"padding:12px;border:1px solid #dee2e6;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding:12px;border:1px solid #dee2e6;\"\u003eModels\u003c\/th\u003e\n\u003cth style=\"padding:12px;border:1px solid #dee2e6;\"\u003eCompressor\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eNissan\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eAltima 2.5\/3.5, Sentra 2.0\/2.5, 350Z 3.5\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eDenso ECV11\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eHyundai \/ Kia\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eSelected models — verify compressor OEM 97701-2P110\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eDenso ECV11\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eBMW \/ Mercedes-Benz\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eVarious — verify compressor model\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border:1px solid #dee2e6;\"\u003eDenso ECV11\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eAbout This Control Valve\u003c\/h2\u003e\n\n\u003cp\u003eDenso ECV11 mechanical A\/C compressor control valve (OEM DCS171C, 97701-2P110, 977012P110, also Zexel-Seltec DCS171C) is used in Denso variable-displacement compressors on Nissan, BMW, Mercedes-Benz, Hyundai, and Kia platforms. The ECV11 is a mechanical suction-pressure-sensitive valve — it requires no electrical input, making diagnosis straightforward: if A\/C output is low and high-side\/low-side pressures are off-spec, the ECV11 is typically the first component to replace.\u003c\/p\u003e\n\n\u003cdiv style=\"background-color:#f0f7ff;border-left:4px solid #3399ff;padding:15px;margin:20px 0;\"\u003e\n\u003cstrong\u003e⚠ Verify Before Ordering:\u003c\/strong\u003e Confirm your compressor uses an ECV11 \/ DCS171C \/ 97701-2P110 (977012P110) valve before purchasing.\n\u003c\/div\u003e\n\n\u003ch2\u003eCross Reference Numbers\u003c\/h2\u003e\n\n\u003cp\u003eAC-02DN10, AC02DN10, AC-02DN11, AC02DN11\u003c\/p\u003e\n\n\u003ch2\u003eOEM Numbers\u003c\/h2\u003e\n\n\u003cp\u003eDCS171C, 97701-2P110, 977012P110\u003c\/p\u003e\n\n\u003ch2\u003ePart Number \/ PN\u003c\/h2\u003e\n\n\u003cp\u003eDCS171C, 97701-2P110, 977012P110, AC-02DN10, AC02DN10, AC-02DN11, AC02DN11\u003c\/p\u003e","brand":"Klifex","offers":[{"title":"Default Title","offer_id":53670298124602,"sku":"KLKH65","price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/7207\/7626\/files\/7483828373_mehanicheskij-reguliruyuschij-klapan.jpg?v=1782988036","url":"https:\/\/klifex.net\/products\/a-c-compressor-mechanical-valve-denso-ecv11-nissan-bmw-mercedes-oem-dcs171c","provider":"Klifex – Automotive Repair Kits","version":"1.0","type":"link"}