{"product_id":"motorad-engine-coolant-thermostat-for-gm-v8-456-160-black-direct-fit-oe-temp-spec","title":"MotoRad Engine Coolant Thermostat for GM V8 — 456-160 Black Direct-Fit, OE Temp Spec","description":"\u003cp\u003e\u003cstrong\u003eMotoRad 456-160 is a direct-fit engine coolant thermostat engineered for 8-cylinder GM engines to help regulate operating temperature reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis high-quality thermostat is designed as a replacement part for many GM-family V8 vehicles and related makes from late 1990s through the 2010s. Constructed to match OE mounting and temperature specifications, the MotoRad 456-160 offers a straightforward swap for routine cooling-system maintenance or repairs. Verify compatibility for your exact year, make, and model before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eWill this thermostat fit my Chevy, GMC, Cadillac or related vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe 456-160 is produced as a direct-fit unit for numerous GM V8 platforms and several vehicles that share their cooling systems. Compatibility covers many Chevy Silverado, Tahoe, Suburban, Corvette, Camaro and Express models, as well as GMC Sierra, Yukon, Envoy lines and select Cadillac, Pontiac, Buick, Saab, Isuzu, Hummer and Workhorse chassis. Use your vehicle year and model to confirm fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit replacement for many GM 8-cylinder engines (see full vehicle list before purchase).\u003c\/li\u003e\n  \u003cli\u003eCovers Silverado 1500\/2500\/3500, Sierra 1500\/2500, Tahoe, Suburban and similar models.\u003c\/li\u003e\n  \u003cli\u003eAlso fits selected Corvette, Camaro, Escalade, Yukon, Envoy, H2, Rainier, Firebird and more.\u003c\/li\u003e\n  \u003cli\u003eBest practice: check VIN-specific fitment through the retailer’s confirmed-fit tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this thermostat affect engine temperature and performance?\u003c\/h3\u003e\n\u003cp\u003eThe thermostat opens and closes to control coolant flow between the engine and radiator, helping the engine reach and maintain its designed operating temperature. A properly functioning thermostat supports efficient warm-up, consistent cabin heating, and stable cooling under load without making performance promises beyond standard operating control.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpens at the designed temperature range for the specified GM V8 application.\u003c\/li\u003e\n  \u003cli\u003ePrevents overcooling or prolonged warm-up when operating correctly.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain steady coolant circulation for consistent engine temperature.\u003c\/li\u003e\n  \u003cli\u003eReplace if sticking, leaking, or if temperature swings are observed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a routine mechanical job on compatible vehicles and typically requires basic hand tools, proper coolant handling and a torque wrench for the housing fasteners. Always depressurize the cooling system, catch and properly dispose or recycle drained coolant, and replace any gaskets or seals as recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrain coolant to a safe level and relieve system pressure before removing the old thermostat.\u003c\/li\u003e\n  \u003cli\u003eReplace gasket or O-ring and torque housing bolts to manufacturer specs to avoid leaks.\u003c\/li\u003e\n  \u003cli\u003eRefill with correct coolant type and bleed air from the cooling system after installation.\u003c\/li\u003e\n  \u003cli\u003eInspect hoses and housing for wear while you have the system open.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this thermostat built to last and what should I expect for durability?\u003c\/h3\u003e\n\u003cp\u003eMotoRad manufactures replacement thermostats to meet industry standards for fit and function, using materials chosen for corrosion resistance and thermal cycling. Longevity depends on vehicle conditions, coolant maintenance, and driving habits; replacing a thermostat as part of scheduled cooling system service helps maintain reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed for repeated thermal cycles typical of road use.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant components where coolant contact occurs.\u003c\/li\u003e\n  \u003cli\u003eRecommended replacement interval aligns with cooling-system service practices.\u003c\/li\u003e\n  \u003cli\u003eInspect during coolant flushes to prevent unexpected failures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this part is for: technicians, DIY mechanics and fleet maintainers who need a reliable, direct-replacement thermostat for GM 8-cylinder vehicles. If you operate or service Chevy, GMC, Cadillac, Pontiac, Buick, Saab, Isuzu, Hummer or Workhorse models listed among the compatible years, the MotoRad 456-160 is intended as a practical, serviceable option when restoring proper coolant control. Always confirm model-year compatibility and follow safe coolant-handling and installation procedures.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the MotoRad 456-160 fit my 2003 Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 456-160 is listed as compatible with many 2003 Silverado 1500 models; verify using your VIN or the retailer's fitment tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a new gasket when installing this thermostat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, replacing the gasket or O-ring is recommended to ensure a proper seal and prevent coolant leaks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MotoRad","offers":[{"title":"Default Title","offer_id":67595130470585,"sku":"B000CJ0VOY","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/motorad-456-160-front-view.jpg?v=1790586137","url":"https:\/\/redleafauto.ca\/products\/motorad-engine-coolant-thermostat-for-gm-v8-456-160-black-direct-fit-oe-temp-spec","provider":"Redleaf Auto","version":"1.0","type":"link"}