{"product_id":"hella-355119702-vented-brake-rotor-320mm-6x112","title":"Hella 355119702 High Carbon Vented Brake Rotor, 320mm 6x112","description":"\u003cp class=\"nvn-hero\"\u003eThe Hella 355119702 is a vented, high carbon disc brake rotor built for vehicles running a 6 x 112 mm bolt pattern. You get a 320 mm one piece rotor, 30 mm thick, with a 67 mm hub bore and a zinc coated finish that keeps the hat and edges from rusting. Sold individually.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eHella has been making braking and lighting components for well over a century, and the 355119702 is a straightforward, well made vented disc brake rotor. It measures 320 mm across the friction surface, runs 30 mm thick, and uses a 6 x 112 mm wheel bolt pattern with a 67 mm center bore. If those numbers match what's on your car right now, this is a clean, direct replacement.\u003c\/p\u003e\n\u003cp\u003eThe big story here is the material. This rotor is cast from high carbon iron, and that matters more than it sounds. High carbon iron handles heat cycles better than plain gray iron. It runs quieter, damps vibration, and it's far less prone to the fine surface cracking you see on rotors that get cooked on long descents or in stop-and-go traffic. If you've ever had a set of rotors start to shudder under the pedal after a hard summer, you already know why the material choice is worth paying attention to.\u003c\/p\u003e\n\u003cp\u003eIt's a vented rotor, which means there are internal vanes between the two friction faces that pull air through the disc as the wheel spins. That airflow carries heat away from the pad contact area. On a heavy vehicle, or anything that tows or spends time in the hills, that cooling is the difference between consistent pedal feel and brake fade halfway down the grade. Vented rotors this size are almost always a front-axle part, but measure yours and confirm before you order.\u003c\/p\u003e\n\u003cp\u003eHella finishes the non-friction areas with a zinc coating. That's the hat, the edges, and the vent openings, the parts that don't get scrubbed clean by the pads. Left bare, cast iron flashes orange with surface rust within days of install, especially if the car sits. The zinc keeps it looking right and slows real corrosion where road salt likes to collect. The friction faces themselves ship with a light protective film that you'll clean off with brake cleaner before install.\u003c\/p\u003e\n\u003cp\u003eThis is a one piece design, so the hat and the rotor are cast as a single unit. That keeps runout predictable and makes the install simple. Slide it on, torque your caliper bracket and caliper to spec, and bed the pads in properly. There's no assembly and no separate hat to bolt up.\u003c\/p\u003e\n\u003cp\u003eA couple of honest notes before you buy. First, this rotor is sold individually, one rotor per order. Brakes should always be replaced as an axle set, so for most jobs you'll want two of these plus a fresh set of pads. Mixing a new rotor against a worn one on the same axle gives you uneven braking, and that's not something to gamble with. Second, this is an automotive brake rotor, not a trailer part. The 6 x 112 pattern and 67 mm bore are passenger-vehicle dimensions, so verify your application by bolt pattern, hub bore, diameter, and thickness rather than guessing.\u003c\/p\u003e\n\u003cp\u003eInstallation is well within reach for a competent DIYer with a jack, stands, and a torque wrench. New rotors don't need machining. Clean off the protective coating, check that your hub face is clean and rust free so the rotor seats flat, fit the rotor, reinstall the caliper, and bed the brakes with a series of moderate stops to lay an even transfer layer on the pads. Skip the bedding step and you're far more likely to end up with pulsation down the road. Do it right and this rotor will give you quiet, steady stops for a long service life.\u003c\/p\u003e\n\u003cp\u003eNot sure whether you actually need new rotors? A few signs point to yes. A pulsing or shuddering pedal under braking usually means the rotors have warped or built up uneven pad deposits. A deep lip on the outer edge, scoring you can catch a fingernail on, or thickness that's dropped below the minimum stamped on the rotor all mean it's time. And any time you're doing pads, it's worth checking rotor thickness, because worn rotors chew through fresh pads fast.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eVented rotor with internal cooling vanes that pull heat out of the friction faces to fight brake fade on long descents and heavy stops\u003c\/li\u003e\n  \u003cli\u003e320 mm outside diameter with a 30 mm nominal thickness across the clamping surface\u003c\/li\u003e\n  \u003cli\u003e6 x 112 mm wheel bolt pattern with a 67 mm hub bore for a hubcentric, precise fit\u003c\/li\u003e\n  \u003cli\u003eHigh carbon cast iron construction runs quieter, damps vibration, and resists heat-cycle cracking\u003c\/li\u003e\n  \u003cli\u003eZinc coating on the hat, edges, and vents holds off surface rust where the pads never reach\u003c\/li\u003e\n  \u003cli\u003eOne piece design keeps runout predictable and makes installation simple\u003c\/li\u003e\n  \u003cli\u003e51.10 mm overall height from hub face to rotor face\u003c\/li\u003e\n  \u003cli\u003eSold individually so you can order exactly what your axle needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Hella Marine reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat vehicles does this rotor fit?\u003c\/summary\u003e\n    \u003cp\u003eIt uses a 6 x 112 mm wheel bolt pattern with a 67 mm hub bore, a 320 mm outside diameter, and a 30 mm nominal thickness. Match your vehicle by those four numbers. If your current front rotor shares that bolt pattern, hub bore, diameter, and thickness, this is a direct fit.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this sold as a pair or individually?\u003c\/summary\u003e\n    \u003cp\u003eIndividually. One rotor per order. Since brakes should be replaced as an axle set, most jobs need two of these plus a set of pads.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a front or rear rotor?\u003c\/summary\u003e\n    \u003cp\u003eA vented 320 mm rotor of this size is almost always a front-axle part, but that isn't guaranteed for every vehicle. Confirm against your car's specs before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the high carbon iron do?\u003c\/summary\u003e\n    \u003cp\u003eHigh carbon cast iron handles repeated heat cycles better than plain gray iron. It runs quieter, damps vibration, and resists the fine surface cracking that shows up on rotors that get overheated.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the zinc coating for?\u003c\/summary\u003e\n    \u003cp\u003eIt protects the non-friction areas, the hat, edges, and vent openings, from rust. Those surfaces never get cleaned by the pads, so bare iron would flash orange fast. The friction faces ship with a light protective film you clean off before install.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDo I need to have the rotor machined before I install it?\u003c\/summary\u003e\n    \u003cp\u003eNo. New rotors install as-is. Just clean the protective coating off the friction faces with brake cleaner, make sure the hub face is clean and rust free, and fit it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShould I replace the brake pads at the same time?\u003c\/summary\u003e\n    \u003cp\u003eYes. New rotors deserve fresh pads. Bedding new pads against a new rotor lays an even transfer layer that gives you quiet, consistent braking. Reusing worn pads on a new rotor is a common cause of noise and vibration.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the center bore or hub size?\u003c\/summary\u003e\n    \u003cp\u003e67 mm. That is the diameter of the center hole that locates the rotor on the hub.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow thick is the rotor and what is the overall height?\u003c\/summary\u003e\n    \u003cp\u003eThe rotor is 30 mm at nominal thickness with a 320 mm outside diameter, and the overall height from the hub face is 51.10 mm.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I bed in the new rotor and pads?\u003c\/summary\u003e\n    \u003cp\u003eAfter install, make a series of moderate stops from moderate speed, letting the brakes cool between them, to lay an even transfer layer on the pads. Skipping this step is a common cause of pedal pulsation later on.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eHella 355119702 High Carbon Vented Brake Rotor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHella\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e355119702\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e4082300692112\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDisc Brake Rotor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eRotor Type\u003c\/th\u003e\n\u003ctd\u003eVented\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eOne Piece\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWheel Bolt Pattern\u003c\/th\u003e\n\u003ctd\u003e6 x 112 Millimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOutside Diameter\u003c\/th\u003e\n\u003ctd\u003e320 Millimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eNominal Thickness\u003c\/th\u003e\n\u003ctd\u003e30 Millimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e51.10 Millimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eHub Size\u003c\/th\u003e\n\u003ctd\u003e67 Millimeter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eZinc Coated High Carbon Cast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What vehicles does this rotor fit?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It uses a 6 x 112 mm wheel bolt pattern with a 67 mm hub bore, a 320 mm outside diameter, and a 30 mm nominal thickness. Match your vehicle by those four numbers. If your current front rotor shares that bolt pattern, hub bore, diameter, and thickness, this is a direct fit.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this sold as a pair or individually?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Individually. One rotor per order. Since brakes should be replaced as an axle set, most jobs need two of these plus a set of pads.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a front or rear rotor?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A vented 320 mm rotor of this size is almost always a front-axle part, but that isn't guaranteed for every vehicle. Confirm against your car's specs before ordering.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does the high carbon iron do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"High carbon cast iron handles repeated heat cycles better than plain gray iron. It runs quieter, damps vibration, and resists the fine surface cracking that shows up on rotors that get overheated.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the zinc coating for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It protects the non-friction areas, the hat, edges, and vent openings, from rust. Those surfaces never get cleaned by the pads, so bare iron would flash orange fast. The friction faces ship with a light protective film you clean off before install.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do I need to have the rotor machined before I install it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. New rotors install as-is. Just clean the protective coating off the friction faces with brake cleaner, make sure the hub face is clean and rust free, and fit it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Should I replace the brake pads at the same time?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. New rotors deserve fresh pads. Bedding new pads against a new rotor lays an even transfer layer that gives you quiet, consistent braking. Reusing worn pads on a new rotor is a common cause of noise and vibration.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the center bore or hub size?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"67 mm. That is the diameter of the center hole that locates the rotor on the hub.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How thick is the rotor and what is the overall height?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The rotor is 30 mm at nominal thickness with a 320 mm outside diameter, and the overall height from the hub face is 51.10 mm.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I bed in the new rotor and pads?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"After install, make a series of moderate stops from moderate speed, letting the brakes cool between them, to lay an even transfer layer on the pads. Skipping this step is a common cause of pedal pulsation later on.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Hella","offers":[{"title":"Default Title","offer_id":45060601544797,"sku":"2008502","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_c7e3b75d-a263-4375-8841-aa9e3a2e5dae.jpg?v=1789530593","url":"https:\/\/nvnmarine.com\/products\/hella-355119702-vented-brake-rotor-320mm-6x112","provider":"NVN Marine","version":"1.0","type":"link"}