Product Description

Bosch QuietCast is a name you can depend on, with minimum tolerance levels and innovative materials that ensure the very highest quality and brake judder, noise, vibration, and harshness free operation. All QuietCast rotors are factory mill precision balanced, which disperses the weight evenly, and allows for smooth, safe stops with no pedal pulsation. Performance is ensured by OEM style vane configurations that provide more efficient heat dissipation, reduced vibration for quieter operation, and extended rotor life. Aluminum/Zinc coating protection prevents rust and corrosion, extending the life of the rotor while providing a clean look for today's open wheels. OEM style ABS tone rings (on required applications) provide trouble free operation of Antilock Brake and Traction Control systems. Every Bosch QuietCast rotor features an engraved discard thickness, that lets you know when the rotor has reached its useful life, and an “on-the-part” Bosch brand name, so you can be confident you are receiving an authentic Bosch product.

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Bosch Brake Rotors

Today, one of every three Asian, Domestic, and European vehicles on the road in North America include Bosch braking components. That is because Bosch has been a key player in the braking industry since its first brake system design patent in 1936. Bosch introduced Antilock Braking technology to the market, as well as Electronic Stability Control systems. Now Bosch brings years of Original Equipment braking experience to the aftermarket with Bosch QuietCast Premium Disc Brake Rotors.

Bosch QuietCast Premium Disc Brake Rotors is a name you can depend on. Minimum tolerance levels and innovative materials ensure the very highest quality and prevent brake judder, noise, vibration, and harshness. Rely on the experience that Bosch brings with over 70 years of Original Equipment brake manufacturing.

QuietCast – The Science Behind the Silence

Bosch QuietCast Brake Rotors utilize vehicle specific castings. The heat flow casting process produces superior G3000, GG20, GG15, and HC (high carbon) casting. Bosch casting provide strength and durability not found in competitive products. While competitors may provide a low cost product, their casting may crack and may have poor durability. Bosch QuietCast is designed to provide consistent, safe, and long lasting performance.

Bosch QuietCast Features

Homogeneous heat flow
Superior heat dissipation
Safe, consistent performance
Superior noise dampening characteristics
Designed for long life
Precision balanced: Insures smooth operations
Industry low run-out and DTV specifications: Smooth pedal feel with no pulsation
Heat flowing castings: Consistent wear for long life and quiet operation
Original Equipment manufacturing style vane configuration: Heat reduction extends rotor life
Factory engraved edge code: Allows proper identification and discard specification
Premium clean look coating protection: Prevent rust and corrosion, part number specific
ABS sensor rings included (on required applications): Trouble free ABS/TCS operation

Brand	Bosch
Material	Application Specific, Cast Iron
Exterior Finish	Zinc
Vehicle Service Type	Automotive
Manufacturer	Bosch Automotive
UPC	077212089772
Global Trade Identification Number	00077212089772
Model	Brake Rotor
Item Weight	7.98 pounds
Product Dimensions	9.45 x 9.45 x 1.77 inches
Item model number	34010878
Manufacturer Part Number	34010878
Position	Front

BOSCH 34010878 QuietCast Premium Disc Brake Rotor - Compatible with Select Mazda Miata; FRONT - Single

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