ACDelco 45D1142 Gold Suspension Control Arm and Ball Joint Assembly

The ACDelco 45D1142 is a Gold (Professional) front suspension control arm and ball joint assembly, engineered as a high-quality alternative to Original Equipment (OE) suspension components. The control arm serves as the critical link between the vehicle's steering knuckle and its frame, allowing the suspension to move freely while keeping wheel motion synchronized with the body for stable, predictable handling.

Key Features:

• OE-Quality Fit, Form, and Function: Manufactured to meet the same specifications as the original factory part, ensuring a precise drop-in replacement with no modifications required
• CNC-Machined Housing: Precision machining delivers consistent quality and dimensional accuracy across every unit
• Corrosion-Resistant Coating: Protective finish extends service life by guarding against rust and environmental wear
• Greaseable Ball Joint (where applicable): Allows fresh lubricant to flush out contaminants from the assembly, reducing wear and extending joint life
• Lightweight Construction: Designed to meet application-specific weight requirements without sacrificing strength or durability
• Backed by General Motors: ACDelco Gold parts are part of the GM-supported aftermarket line, held to the same 18-step quality approval process as OE components

The ACDelco 45D1142 restores proper suspension geometry and handling confidence, making it a reliable choice for technicians and DIY enthusiasts seeking a durable, correctly fitting control arm replacement. Sold as a single assembly.