43512-37130M Rear Drum Brake Replacement For Hino Dutro & Toyota Dyna

Premium Brake Drum 43512-37130M for Hino Dutro & Toyota Dyna | High-Performance Rear Axle Brake Component

Product Overview

The 43512-37130M Brake Drum is a precision-engineered, high-performance replacement part designed for Hino Dutro and Toyota Dyna light-to-medium duty trucks. Optimized for rear axle braking systems, this drum is critical for maintaining vehicle safety, stability, and consistent stopping power under commercial load conditions.

Manufactured using advanced G3000 / HT250 Grey Cast Iron, our 43512-37130M model is built to withstand significant thermal stress and mechanical pressure. The high-carbon metallurgy ensures excellent heat dissipation, effectively preventing "brake fade" during frequent stop-and-go urban delivery cycles. Each unit is CNC-machined to exact tolerances, providing a seamless "plug-and-play" fit for professional repair shops and fleet owners.

Vehicle Compatibility

This brake drum is a direct-fit solution for various Japanese light-commercial vehicle platforms:

Hino Models: Hino Dutro Series (300 Series).

Toyota Models: Toyota Dyna (BU, XZU series), Toyota Toyoace. 

Axle Application: Rear Axle (Single or Dual wheel configurations).

Brake Type: Standard drum brake systems with corresponding hub mounting.

Application: Urban logistics vans, light-duty tippers, and flatbed trucks.

Technical Specifications

Accurate technical data is essential for both SEO authority and customer trust. Below are the precise specs for 43512-37130M:

Cross-Reference & Interchange

To ensure a perfect match, this component is interchangeable with the following reference numbers:

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Hino/Toyota: 43512-37130M / 43512-37130 / 4351237130

Alternative Ref: 43512-37090 / 43512-37120

Aftermarket Brands: Sampa, DT Spare Parts, and other Japanese truck part specialists.

Key Benefits

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Superior Thermal Capacity: Engineered to handle high temperatures, reducing the risk of thermal expansion and brake lining glazing.

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Precision Dynamic Balancing: Each drum is factory-balanced to eliminate vibrations at high speeds, protecting wheel bearings and seals from premature wear.

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OEM Standard Dimensions: CNC-machined to match original equipment specs for easy installation and consistent contact with brake linings.

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Enhanced Durability: The high-carbon iron composition offers a low wear rate, significantly extending the service life and lowering the Total Cost of Ownership (TCO).

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Anti-Rust Protection: (Optional) Available with a protective surface coating to prevent corrosion during sea freight and warehouse storage.

Frequently Asked Questions (FAQ)

1. Which vehicle models is the 43512-37130M Brake Drum compatible with?

The 43512-37130M Brake Drum is a premium-quality OEM replacement part specifically designed for Hino 300 Series, Toyota Dyna, and Toyota Dutro trucks. It is engineered to meet the precise technical standards of Japanese light and medium-duty commercial vehicles. To ensure a 100% correct fit, we recommend verifying your vehicle's 5-hole or 6-hole mounting pattern (depending on the specific chassis) and checking the pilot diameter against the original part number 43512-37130.

2. How does the 43512-37130M manage heat during frequent city driving?

Our 43512-37130M drums are manufactured from high-grade G3000 Grey Cast Iron. This material is selected for its superior thermal conductivity and heat dissipation properties. For delivery trucks operating in "stop-and-go" urban environments, this ensures that the drum cools rapidly, preventing brake fade and resisting the formation of surface "heat checks" (small cracks), which significantly extends the life of your brake linings.

3. Does the 43512-37130M come factory dynamically balanced?

Yes, every 43512-37130M unit undergoes rigorous precision dynamic balancing before leaving the factory. In light-duty trucks like the Hino 300, even minor imbalances can lead to noticeable steering wheel vibration and "pedal pulsation." Our pre-balanced drums ensure a smooth, stable rotation, which protects your wheel bearings and tires from premature wear and reduces overall vehicle maintenance costs.

4. What is the wear limit (Max Dia) for the 43512-37130M Brake Drum?

Safety is paramount. The Maximum Diameter (Max Dia)—the safety wear limit—is cast or stamped on the outer rim of the 43512-37130M. During routine maintenance, the internal diameter must be measured; if it has reached the Max Dia limit, the drum must be replaced immediately. Using a drum beyond its wear limit reduces its ability to dissipate heat and increases the risk of structural failure under emergency braking.