Standard Ignition GB-4478P Ignition Contact Set

Reliable Ignition Contact Set for Mercedes-Benz 300 Series

The Standard Ignition GB-4478P ignition contact set is designed specifically for Mercedes-Benz 300D, 300SE, 300SEL, and 300SL models. This essential component ensures consistent ignition performance by providing precise electrical contact points.

• Includes ignition points for primary ignition systems
• Compatible with Mercedes-Benz 300D, 300SE, 300SEL, and 300SL
• Part number GB-4478P for accurate identification
• Manufactured by Standard Ignition for dependable quality

Product Details and Specifications

This ignition contact set contains the points necessary for the primary ignition system of select Mercedes-Benz vehicles. The points act as a mechanical switch that opens and closes to regulate the flow of current to the ignition coil, which is critical for proper spark timing. The GB-4478P is engineered to meet OEM specifications, ensuring compatibility and reliable operation in the 300D, 300SE, 300SEL, and 300SL models. Using the correct ignition contact set helps maintain engine efficiency and smooth running.

Applications and Common Issues Addressed

• Restores proper ignition timing and spark delivery
• Eliminates misfires caused by worn or damaged points
• Prevents engine stalling related to ignition contact failure
• Improves cold start performance in Mercedes-Benz 300 series vehicles
• Reduces rough idling due to inconsistent electrical contact

Installation Notes and Tips

When installing the GB-4478P ignition contact set, ensure the ignition system is properly adjusted according to the vehicle’s service manual. Clean the cam and surrounding components before installation to prevent premature wear. Use a feeler gauge to set the correct point gap for optimal performance. It is recommended to inspect the condenser and other ignition components during replacement to maintain system integrity.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed industry standards for durability and performance. The GB-4478P ignition contact set undergoes rigorous quality control to ensure consistent operation. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.