J.C. Whitney JSTPC27110052 Rear Brake Disc OEM Replacement

The J.C. Whitney JSTPC27110052 is a rear brake disc (rotor) engineered as a direct OEM replacement for Cadillac CTS and STS models. This rotor is a drop-in substitute for GM OEM part numbers 15240719 and 25693146, ensuring proper fit and function without modification.

Key Features:

• Direct OEM replacement — interchanges with GM part numbers 15240719 and 25693146
• Rear axle position; fits both driver and passenger sides (RH = LH)
• Plain surface, vented disc design for reliable heat dissipation
• Built to ISO 9001 and QS 9000 manufacturing standards and validated by automotive engineers
• Application-specific fit for confident, straightforward installation
• Compatible with 4-wheel anti-lock brake systems
• Excludes CTS-V, performance brake package, and heavy-duty brake applications

Replacing worn or warped rotors restores safe, consistent stopping power. This brake disc is designed for standard (non-performance) brake configurations on the Cadillac CTS (2003–2007) and STS (2005–2011). OEM cross-reference: 15240719, 25693146.