{"product_id":"performance-water-pump-kit-for-audi-rs5-2018-2025-2-9l","title":"Performance Water Pump Kit for Audi RS5 (2018-2025) 2.9L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eComplete Water Pump Service Kit for 2018-2025 Audi RS5 (B9\/B9.5)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit replaces the failure-prone factory mechanical coolant pump, thermostat, and thermal control valves on the 2018-2025 Audi RS5 to prevent overheating and maintain consistent thermal regulation across the twin-turbocharged system.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Audi RS5 Cooling System Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems on the \u003cstrong\u003eB9\/B9.5\u003c\/strong\u003e RS5 equipped with the \u003cstrong\u003eEA839\u003c\/strong\u003e 2.9L twin-turbo V6 are prone to failure from prolonged heat cycling. OEM water pumps utilize internal vacuum-actuated control sleeves and composite components that warp, degrade, and leak over time. This design flaw leads to internal coolant migration into vacuum lines, seized regulating sleeves, weeping drive bearings, and premature thermostat failure under elevated cylinder head temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis coordinated service kit addresses common \u003cstrong\u003eEA839\u003c\/strong\u003e cooling bottlenecks by coupling a heavy-duty mechanical water pump with an aluminum impeller to resist high-RPM cavitation and thermal distortion. Featuring an OE-spec thermostat, rigid replacement coolant transfer pipe, fresh pulley, dual solenoid valves, and an upgraded thermal pneumatic valve, this kit restores full factory flow dynamics and isolates vacuum controls from coolant contamination.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Engine Water Pump Assembly with Pulley\u003c\/li\u003e\n  \u003cli\u003e1 Thermostat\u003c\/li\u003e\n  \u003cli\u003e1 Water Pipe\u003c\/li\u003e\n  \u003cli\u003e1 Pulley\u003c\/li\u003e\n  \u003cli\u003e2 Solenoid Valves\u003c\/li\u003e\n  \u003cli\u003e1 Thermal Pneumatic Valve\u003c\/li\u003e\n  \u003cli\u003eO-Ring and Fixing Bolt Hardware Set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2018-2025 Audi RS5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEA839 2.9L V6 \/ B9, B9.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e444 hp \/ 442 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e9A712101303, 9A712101304, 06M121013D, 06M121013G, 06M121013C, 06M121031D, 06M121031G, N91121903, 06M 121 013G, 9A712111511, PAB121115B, PAC121115, 06M121115, 06M121678H, 06M121678F, 06M121678G, 9A712167800, PAB121678A, 06M121115J, 06M121115G, 06M121115K, 06M121115H, 9A712111510, 06M115401K, 06M115401L, 06M115401F, 06M115401E, 9A711540100, 9A711540105, 9A711540110, PAB115401, PAC115401, 06M117015M, 9A711701530, 06M121083J, 06M121083H, 9A712108300, 9A71210830\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2018-2019, 2021-2025 Audi RS5 Coupe (2.9L Gas Turbo)\u003c\/li\u003e\n  \u003cli\u003e2019, 2021-2025 Audi RS5 Sportback (2.9L Gas Turbo)\u003c\/li\u003e\n  \u003cli\u003e2022 Audi RS5 Coupe (2.9L Mild Hybrid Gas Turbo)\u003c\/li\u003e\n  \u003cli\u003e2022 Audi RS5 Sportback (2.9L Mild Hybrid Gas Turbo)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the B9\/B9.5 RS5?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2018-2025 Audi RS5 equipped with the \u003cstrong\u003eEA839\u003c\/strong\u003e 2.9L twin-turbo engine. \u003cstrong\u003eDoes not fit earlier B8\/B8.5 naturally aspirated 4.2L V8 models or 3.0T supercharged engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to perform a vacuum bleed after installing this kit?\u003c\/h4\u003e\n\u003cp\u003eYes, the cooling system must be vacuum-filled and bled using the factory diagnostic service procedure to purge trapped air from the complex twin-turbo and intercooler circuits.\u003c\/p\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact OEM tolerances, this comprehensive kit ensures strict European cooling performance, eliminates thermal degradation fault codes, and maintains optimal boost efficiency across all driving conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68034701033720,"sku":"DS-E31ZNKDS9","price":519.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-water-pump-kit-for-audi-rs5-2018-2025-2-9l-1.jpg?v=1794173307","url":"https:\/\/performancechiptuning.com\/de\/products\/performance-water-pump-kit-for-audi-rs5-2018-2025-2-9l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}