{"product_id":"four-seasons-74941-hvac-heater-control-valve","title":"Four Seasons 74941 HVAC Heater Control Valve","description":"\u003ch2\u003eOverview of Four Seasons Heater Valve 74941\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Valve 74941 is a rotary electronic heater valve designed for precise temperature control in select Mercedes-Benz models. Engineered with durable plastic and featuring four connectors, this electric bypass valve ensures reliable operation within your vehicle's HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary electronic heater valve design for accurate temperature regulation\u003c\/li\u003e\n\u003cli\u003eConstructed from durable plastic material\u003c\/li\u003e\n\u003cli\u003eEquipped with 4 connectors for secure electrical connections\u003c\/li\u003e\n\u003cli\u003eBypass style valve optimized for efficient HVAC performance\u003c\/li\u003e\n\u003cli\u003eOpening dimensions: 0.78 in (main), 0.71 in (B and C), 0.7 in (D)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Valve 74941 belongs to the Heater Valve product line, which focuses on providing reliable HVAC heater control valves for automotive temperature management. This electric valve operates with a rotary mechanism, allowing precise modulation of coolant flow to the heater core. Its plastic construction balances durability with resistance to corrosion and heat exposure. The valve features four connectors, ensuring stable electrical interfacing with the vehicle's control system. The bypass style design helps maintain optimal coolant circulation, contributing to consistent cabin heating performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis HVAC heater control valve is compatible with a range of Mercedes-Benz models, including Maybach S550, S560, S600, S650, S63 AMG, S63L AMG, S65 AMG, S65L AMG, S350, S450, S550e, SL55 AMG, SL63 AMG, SL65 AMG, SL500, SL550, SL600, and SLR McLaren. The part number 74941 ensures correct fitment and function within these vehicles' HVAC systems.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Heater Valve 74941\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent cabin heating or temperature fluctuations\u003c\/li\u003e\n\u003cli\u003eFailure of heater valve to regulate coolant flow properly\u003c\/li\u003e\n\u003cli\u003eElectrical valve malfunction causing HVAC system errors\u003c\/li\u003e\n\u003cli\u003eCoolant leaks or valve blockages affecting heater performance\u003c\/li\u003e\n\u003cli\u003eBypass valve wear leading to reduced heating efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons Heater Valve 74941, ensure the vehicle is cooled down to avoid burns from hot coolant. Verify the four electrical connectors are securely attached to prevent operational faults. Confirm the valve orientation matches the bypass style configuration for proper coolant flow. It is recommended to inspect surrounding hoses and connections for wear or damage during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures the Heater Valve 74941 to meet OEM standards for fit and function. The plastic material and electronic components undergo quality checks to ensure durability and reliable operation. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52118507454645,"sku":"BBRN-74941","price":78.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_74941_Fro.jpg?v=1775161825","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-74941-hvac-heater-control-valve","provider":"PartCatalog","version":"1.0","type":"link"}