Centric 122.34001 Brake Drum - Rear

Overview of Centric Premium Brake Drums 122.34001

The Centric Premium Brake Drum 122.34001 is engineered for reliable braking performance in compatible vehicles. Designed with precise dimensions and a floating mounting type, this brake drum supports consistent stopping power and durability.

• Nominal drum diameter: 230 mm (9.055 inches)
• Maximum brake diameter (discard): 231 mm (9.094 inches)
• Outside diameter: 265 mm (10.433 inches)
• Friction surface width: 46.5 mm (1.83 inches)
• Bolt hole quantity: 4 with 100 mm (3.937 inches) bolt circle diameter
• Mounting hole diameter: approximately 14.5 mm (0.57 inches)
• Height: 59 mm (2.323 inches)
• Hub hole/register diameter: 58 mm (2.283 inches)
• Weight: 3.41 kg (7.5 lbs)
• Mounting type: Floating
• No outer cooling fins

About Centric Premium Brake Drums

The Centric Premium Brake Drums line focuses on delivering precision-engineered brake components that meet or exceed OEM specifications. This product line emphasizes consistent fitment and reliable braking performance, making it suitable for vehicles requiring exact replacement brake drums. The 122.34001 brake drum is part of this line, ensuring compatibility and quality for vehicles that match its specifications.

Detailed Product Description

This Centric Premium Brake Drum 122.34001 features a nominal diameter of 230 mm and a maximum discard diameter of 231 mm, providing a clear service limit for maintenance. The drum’s outside diameter measures 265 mm, with a friction surface width of 46.5 mm, offering sufficient contact area for brake shoes. The four bolt holes are arranged on a 100 mm bolt circle diameter, with mounting holes sized at approximately 14.5 mm, designed for secure attachment. The floating mounting type allows for slight movement to accommodate thermal expansion and reduce stress on the drum. Weighing 3.41 kg, this brake drum balances durability with manageable weight for installation and vehicle performance. Note that this model does not include outer cooling fins, which is typical for certain vehicle applications.

Common Applications and Issues Addressed

• Replacement for worn or scored brake drums with diameter near or exceeding 231 mm
• Restores proper braking surface for vehicles with 4-bolt wheel hubs and 100 mm bolt circle diameter
• Addresses brake noise or vibration caused by damaged or out-of-spec drums
• Improves brake shoe contact and stopping consistency
• Suitable for vehicles requiring floating type mounting brake drums

Installation Notes and Tips

• Verify vehicle compatibility by matching bolt hole quantity and bolt circle diameter
• Measure hub hole/register diameter to ensure proper fit on the axle hub
• Inspect brake shoes and hardware for wear during installation
• Ensure mounting holes align correctly with hub studs for secure attachment
• Check drum surface for cleanliness and absence of debris before installation

Quality Assurance and Warranty

Centric Premium Brake Drums are manufactured to meet OEM standards for fit, form, and function. The 122.34001 brake drum undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.