Contact person: Ms. Beenle
Position:
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Country: China
Phone: - Mobi: 15054122292

43512-3020 Brake Drum

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43512-3020 Brake Drum
Brake drum inner diameter: 213 mm
Brake drum diameter: 406 mm
Brake drum height: 270 mm
Bolt hole diameter: 26 mm
Number of bolt holes: 10
Bolt hole circle diameter: 335 mm

Premium Braking Component for Commercial Vehicles
The Toyota 43512-3020 brake drum (also known as brake rotor) is engineered for heavy-duty performance in commercial truck applications. As a crucial part of your vehicle's braking system, this drum brake component delivers reliable stopping power even under extreme operating conditions.

Vehicle Compatibility
The 43512-3020 brake assembly is designed for compatibility with:
HINO 15T, FG1J, and FM3M series trucks
Sinotruk HOWO models
Steyr commercial vehicles
Shandeka heavy-duty trucks

Technical Specifications

Parameter

Measurement

Inner Diameter

213 mm (8.39 inches)

External Diameter

406 mm (15.98 inches)

Height

270 mm (10.63 inches)

Bolt Hole Diameter

26 mm (1.02 inches)

Number of Bolt Holes

10

Bolt Circle Diameter

335 mm (13.19 inches)


Superior Construction Materials
Manufactured from high-grade HT250 gray cast iron, this brake drum rotor offers exceptional:
Heat resistance (withstands temperatures up to 650°F)
Wear resistance (minimum hardness of 180 Brinell)
Structural integrity (tensile strength of 250 MPa)

Performance Advantages
The 43512-3020 braking component provides:
Consistent friction surface for reliable stopping power
Optimal heat dissipation through precision-engineered cooling fins
Extended service life (typically 80,000-120,000 miles under normal conditions)
Vibration resistance to prevent brake judder

Working Principle
Activation: When brake pedal is depressed, hydraulic pressure engages brake shoes
Friction: Brake lining presses against inner drum surface (friction coefficient: 0.35-0.42)
Deceleration: Kinetic energy converts to heat energy through friction
Dissipation: Heat transfers through drum's mass and cooling fins
Release: Springs retract shoes when pedal pressure is released

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