{"product_id":"raybestos-6129r-disc-brake-rotor","title":"Raybestos 6129R Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Raybestos R-Line 6129R Disc Brake Rotor\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line 6129R disc brake rotor is engineered for reliable braking performance on select Ford, Mazda, and Mercury vehicles. Designed as a vented rotor, it offers effective heat dissipation to maintain consistent stopping power under various driving conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat management\u003c\/li\u003e\n\u003cli\u003eOverall diameter of 9.870 inches (250.7 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.355 inches (9.0 mm) with discard thickness at 0.315 inches (8.0 mm)\u003c\/li\u003e\n\u003cli\u003eFour mounting bolt holes with a 3.937 inch (100 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.167 inches (55.05 mm)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type compatible with drum-in-hat setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line 6129R rotor features a vented design that enhances cooling efficiency, reducing the risk of brake fade during extended use. With an outside diameter of 250.7 mm (9.870 inches) and an overall height of 34.3 mm (1.350 inches), this rotor is engineered to meet the precise fitment requirements of vehicles such as the Ford Escort, Mazda Miata, and Mercury Tracer. The nominal thickness of 9.0 mm (0.355 inches) ensures durability, while the discard thickness of 8.0 mm (0.315 inches) indicates when replacement is necessary to maintain safe braking performance. The rotor includes four mounting bolt holes arranged on a 100 mm (3.937 inch) bolt circle diameter, compatible with the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eRaybestos R-Line Product Line Information\u003c\/h2\u003e\u003cp\u003eThe R-Line by Raybestos is a product line focused on delivering dependable brake components that meet original equipment specifications. This line emphasizes quality materials and precise manufacturing tolerances, making the 6129R rotor a suitable replacement part for maintaining factory-level braking performance on compatible Ford, Mazda, and Mercury vehicles.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eUpgrading from solid to vented rotors for better heat dissipation\u003c\/li\u003e\n\u003cli\u003eResolving brake noise due to uneven rotor surfaces\u003c\/li\u003e\n\u003cli\u003eAddressing reduced braking efficiency from rotor thickness below discard limits\u003c\/li\u003e\n\u003cli\u003eEnsuring proper fitment on Ford Escort, Mazda Miata, and Mercury Tracer models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation to ensure it meets nominal specifications\u003c\/li\u003e\n\u003cli\u003eClean mounting surfaces to prevent rotor runout and vibration\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer specifications for secure fitment\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware during rotor replacement for optimal system performance\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damage to the rotor or mounting components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet or exceed OEM standards, ensuring consistent performance and durability. While specific warranty details for part number 6129R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship to support long-term reliability.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44446113693877,"sku":"BDBL-6129R","price":41.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_6129R_Fro.jpg?v=1774636559","url":"https:\/\/www.partcatalog.com\/products\/raybestos-6129r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}