Standard Ignition DG-21 Distributor Drive Gear

Overview of Standard Ignition Distributor Drive Gear DG-21

The Standard Ignition DG-21 distributor drive gear is engineered for reliable performance in select Cadillac models. Designed to meet OEM specifications, this distributor gear ensures precise timing and smooth engine operation for vehicles like the Cadillac Eldorado and DeVille.

• Distributor gear included in the package
• Inner diameter (I.D.) of 0.502 inches for accurate fitment
• 15 teeth for proper engagement with the distributor shaft
• Outer diameter (O.D.) of 0.750 inches for compatibility with specified Cadillac models

Detailed Product Description and Specifications

The DG-21 distributor drive gear from Standard Ignition is crafted to provide consistent and dependable performance in ignition systems. With an inner diameter of 0.502 inches, it fits securely onto the distributor shaft, while the 15 teeth ensure proper meshing with the camshaft gear. The outer diameter of 0.750 inches is designed to match the distributor housing dimensions of various Cadillac vehicles, including the Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville. This precision-engineered gear supports accurate distributor rotation, which is critical for maintaining correct ignition timing and engine efficiency.

Compatible Cadillac Models and Applications

This distributor drive gear is compatible with multiple Cadillac models, making it a suitable replacement part for:

• Cadillac Allante
• Cadillac Commercial Chassis
• Cadillac DeVille
• Cadillac Eldorado
• Cadillac Fleetwood
• Cadillac Seville

Common Issues Addressed by the DG-21 Distributor Drive Gear

• Distributor gear wear causing ignition timing irregularities
• Slipping or damaged teeth leading to misfires
• Excessive play on the distributor shaft affecting engine performance
• Noise or rough operation from a worn distributor drive gear
• Failure to maintain proper distributor rotation speed

Installation Notes and Tips

When installing the Standard Ignition DG-21 distributor drive gear, ensure the distributor shaft and gear teeth are clean and free of debris. Proper alignment is critical to avoid premature wear or damage. It is recommended to inspect the distributor shaft for wear before installation and replace any worn components. Use appropriate tools to press the gear onto the shaft without causing damage. Verify distributor timing after installation to confirm correct operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit and function. The DG-21 distributor drive gear undergoes quality control inspections to ensure durability and performance. While specific warranty details may vary, Standard Ignition typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.