Dynamite Friction 331-45609 Disc Brake Caliper - Rear Left

Rear Left Brake Caliper for GM Full-Size Sedans

The Dynamite Friction DFC Premium Caliper - Silver Zinc Coated, part number 331-45609, is a rear left disc brake caliper for select Buick, Pontiac, and Oldsmobile applications. It is built for drivers replacing a worn or sticking rear caliper on vehicles such as the Buick LeSabre, Buick Park Avenue, Pontiac Bonneville, and Oldsmobile Aurora.

Key Features

• Rear left disc brake caliper for the listed applications
• Silver zinc coated finish for added corrosion resistance
• DFC Premium Caliper line for direct brake hydraulic replacement
• Part number 331-45609 for accurate ordering and lookup
• Fits select rear disc configurations, including noted rear disc applications

Fitment Details

• Fits 2000-2005 Buick LeSabre, rear left.
• Fits 1998-2005 Buick Park Avenue, rear left.
• Fits 2000-2005 Pontiac Bonneville, rear left.
• Fits 2001-2003 Oldsmobile Aurora, rear left.
• Fits 1995-1999 Oldsmobile Aurora, rear left.
• Fits 1995-1999 Buick Riviera, rear left.
• Fits 1997-1998 Oldsmobile Regency, rear left, rear disc.
• Fits 1997 Buick Park Avenue, rear left, rear disc.

What This Caliper Helps Address

• Uneven rear braking performance
• Brake drag caused by a sticking caliper
• Fluid leakage at the rear brake corner
• Corrosion on the original caliper body
• Poor pad contact from a worn hydraulic assembly

Installation Notes

Verify rear left position and rear disc brake configuration before ordering. Confirm the vehicle year, make, and model against the fitment list, especially for Buick Park Avenue, Buick LeSabre, Pontiac Bonneville, and Oldsmobile Aurora applications. Part number 331-45609 should be matched to the existing caliper location during replacement.

Quality Assurance

The DFC Premium Caliper - Silver Zinc Coated line uses a corrosion-resistant coated finish for service in brake system environments. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.