{"product_id":"motorad-5339-180-engine-coolant-thermostat","title":"Motorad 5339-180 Engine Coolant Thermostat","description":"\u003ch2\u003eReliable Engine Coolant Thermostat for Buick, Cadillac, Oldsmobile, and Pontiac\u003c\/h2\u003e\u003cp\u003eThe Motorad UltraStat 5339-180 engine coolant thermostat is designed to maintain optimal engine temperature for select Buick, Cadillac, Oldsmobile, and Pontiac models. Engineered to precise specifications, this thermostat ensures efficient coolant flow and temperature regulation at 180 degrees Fahrenheit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSealing flange outside diameter: 2.11 inches\u003c\/li\u003e\n\u003cli\u003eIncludes one rubber gasket\/seal for secure installation\u003c\/li\u003e\n\u003cli\u003eJiggle pin weep hole for air and vapor release\u003c\/li\u003e\n\u003cli\u003eBypass diameter of 1.38 inches and bypass length of 1.97 inches\u003c\/li\u003e\n\u003cli\u003eFlange thickness of 0.05 inches for proper fitment\u003c\/li\u003e\n\u003cli\u003eTemperature rating: 180°F for consistent engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Motorad UltraStat Product Line\u003c\/h2\u003e\u003cp\u003eThe UltraStat line by Motorad focuses on delivering thermostats that meet or exceed OEM specifications for temperature control and durability. This product line emphasizes precise temperature regulation and reliable sealing, which are critical for maintaining engine efficiency and preventing overheating or overcooling in vehicles like the Cadillac DeVille and Pontiac Bonneville.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Motorad UltraStat 5339-180 thermostat features a 2.11-inch sealing flange outside diameter and includes a single rubber gasket to ensure a tight seal within the cooling system. The jiggle pin weep hole allows trapped air and vapor to escape, reducing the risk of air pockets that can affect coolant flow. With a bypass diameter of 1.38 inches and a bypass length of 1.97 inches, this thermostat supports proper coolant circulation during engine warm-up. The flange thickness of 0.05 inches ensures a secure fit in the thermostat housing. Rated for 180 degrees Fahrenheit, this thermostat is engineered to open at the correct temperature to maintain optimal engine operating conditions.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Allante and Lucerne\u003c\/li\u003e\n\u003cli\u003eCadillac DeVille, DTS, Eldorado, Seville, SRX, STS, and XLR\u003c\/li\u003e\n\u003cli\u003eOldsmobile Aurora\u003c\/li\u003e\n\u003cli\u003ePontiac Bonneville\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eHelps prevent engine overheating by regulating coolant flow\u003c\/li\u003e\n\u003cli\u003eReduces engine warm-up time for improved fuel efficiency\u003c\/li\u003e\n\u003cli\u003ePrevents coolant leaks with included rubber gasket\u003c\/li\u003e\n\u003cli\u003eMinimizes air pockets in the cooling system via jiggle pin weep hole\u003c\/li\u003e\n\u003cli\u003eSupports consistent engine temperature for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eThis thermostat does not include an installation tool, so ensure you have the appropriate tools for removal and installation. When replacing the thermostat, inspect the housing and coolant passages for debris or corrosion. Use the included rubber gasket to create a proper seal and prevent leaks. Verify the thermostat is oriented correctly with the jiggle pin weep hole positioned to allow air release. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eMotorad UltraStat thermostats are manufactured to meet strict quality standards and OEM specifications. The 5339-180 thermostat is designed for durability and reliable temperature control. While specific warranty details are not provided, Motorad products typically come with manufacturer-backed quality assurance to support long-term performance in compatible Buick, Cadillac, Oldsmobile, and Pontiac vehicles.\u003c\/p\u003e","brand":"Motorad","offers":[{"title":"Default Title","offer_id":52190738284725,"sku":"BFNG-5339-180","price":21.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TZ_5339180_Fro.jpg?v=1775593004","url":"https:\/\/www.partcatalog.com\/products\/motorad-5339-180-engine-coolant-thermostat","provider":"PartCatalog","version":"1.0","type":"link"}