{"product_id":"brembo-09-d394-21-disc-brake-rotor-front","title":"Brembo 09.D394.21 Disc Brake Rotor - Front","description":"\u003ch2\u003eBrake Rotor Overview\u003c\/h2\u003e\u003cp\u003eBrembo PRIME disc brake rotor 09.D394.21 is a front vented rotor built for heavy-duty braking applications. It uses gray cast iron, a full cast construction, and a rust-resistant coating to support consistent braking performance and corrosion protection.\u003c\/p\u003e\u003cp\u003eCompatible with Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, GMC Sierra 3500 HD, Chevrolet Suburban 3500 HD, and Cadillac SRX front brake applications, this rotor is sized for larger truck and SUV platforms. The smooth surface and premium grade construction align with OE-style service replacement needs.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat management\u003c\/li\u003e\n\u003cli\u003eGray cast iron construction with full cast design\u003c\/li\u003e\n\u003cli\u003eRust-resistant coating for added surface protection\u003c\/li\u003e\n\u003cli\u003eSmooth friction surface for stable pad contact\u003c\/li\u003e\n\u003cli\u003ePremium grade rotor with 6-lug hole pattern\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Brembo PRIME 09.D394.21 rotor is engineered around a 345 mm outside diameter, 67.50 mm center hole diameter, and 51 mm overall height. Its 28.5 mm discard thickness and 30 mm nominal thickness provide the dimensional profile expected for the listed front brake applications. This part cross-references PowerStop AR82153 and AR82153EVC for the same application.\u003c\/p\u003e\u003cp\u003eFor Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD front brake service, the rotor’s vented design helps manage heat during repeated stops. The PRIME line focuses on OE-style replacement parts with a corrosion-resistant finish and a smooth working surface for dependable pad contact.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pulsation from worn rotor surfaces\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency from heat buildup\u003c\/li\u003e\n\u003cli\u003eSurface corrosion on exposed brake components\u003c\/li\u003e\n\u003cli\u003eRotor wear that has reached discard thickness\u003c\/li\u003e\n\u003cli\u003eNoise or vibration caused by uneven friction surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rotor dimensions, lug pattern, and front axle fitment before installation. Inspect pads, calipers, and hub surfaces during service to help ensure proper rotor seating and braking performance. Confirm the rotor meets the vehicle’s required thickness specifications before reuse or replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eBrembo PRIME parts are positioned as OE-style replacement components for service applications where fit, finish, and dimensional accuracy matter. Part number 09.D394.21 is supported by the listed fitment data and interchange references for application matching.\u003c\/p\u003e","brand":"Brembo","offers":[{"title":"Default Title","offer_id":53657899598005,"sku":"BBHN-09.D394.21","price":172.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/BR_09D39421_Fro.jpg?v=1793602983","url":"https:\/\/www.partcatalog.com\/products\/brembo-09-d394-21-disc-brake-rotor-front","provider":"PartCatalog","version":"1.0","type":"link"}