OEM: 4524Q

No. A 3222E1383

The 4524Q is a drum brake shoe widely used in the North American and global heavy-duty truck markets. It is a core component of the Meritor Q Series brake system.

仕様

Ø:

419mm

Width:

127mm

Rivet size::

10-8 1/2

Interchange with:

ROCKWELL/MERTOR A3222E1383 / SPICER OE M16WS 188X

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Description

🔧 Product Positioning & Applications

Brake Type: Drum brake shoe for air brake systems

Primary Applications: Widely used on the steer axles of heavy-duty trucks, semi-trailers, and commercial vehicles. It may also be used on drive axles or trailer axles for certain models.

Brake System Compatibility: Compatible with Meritor Q Series and Q Plus cam brake systems

Common Vehicle Models / Brands: Compatible with major North American truck brands such as Freightliner, Kenworth, Peterbilt, Volvo, and International.

📏 Key Specifications

Brake Type

Q Series (Meritor Q)

Load Rating

20,000 – 23,000 lbs (approx. 9,072 – 10,433 kg), depending on lining grade

Meritor OE Reference

A3222-E-1383 (back plate / shoe body number)

Rivet Specification

RV-3109S, 1/4 inch diameter

⚙️ Material & Performance Features

Friction Material: Made from high-quality asbestos-free friction material. Meritor OEM products offer various lining grades such as MA210, MA212, and MA312 to meet different operating conditions and load requirements.

Back Plate Construction: Stamped and welded from high-strength steel. Key areas (cam contact surfaces, roller holes) undergo hardening treatment to enhance wear resistance and structural strength. Some products feature anti-corrosion coatings such as Platinum Shield III.