Bosch 03391 Distributor Cap

The Bosch 03391 Distributor Cap is a genuine Bosch replacement ignition component designed to deliver reliable spark distribution for optimal engine performance. Manufactured to Bosch's strict OE quality standards, this distributor cap helps ensure proper voltage transfer from the ignition coil to the spark plug wires.

Key Features:

• Genuine Bosch OE-quality construction for reliable performance
• Precision-molded design ensures proper fit and electrical contact
• High-temperature resistant materials withstand under-hood conditions
• Corrosion-resistant terminals provide consistent electrical connections
• Backed by Bosch 1-year manufacturer warranty

Distributor caps are critical ignition system components that direct high voltage from the coil to each cylinder in the proper firing order. Over time, caps can develop cracks, carbon tracking, or corroded terminals that cause misfires, rough idle, and poor performance. Regular replacement with genuine Bosch parts helps maintain optimal ignition system efficiency and reliability.