ATP Parts Z-166 Automatic Transmission Flexplate

Overview of ATP Parts Z-166 Automatic Transmission Flexplate

The ATP Parts Z-166 automatic transmission flexplate is engineered for reliable performance in a range of GM vehicles. Designed specifically for use with one-piece crank seal engines, this flexplate supports smooth power transfer between the engine and transmission.

• Inside diameter: 2.0 inches
• Outside diameter: 14.125 inches
• Tooth quantity: 168 teeth
• Mounting hole diameter: 11.25 inches
• Compatible with one-piece crank seal engines
• Weight added for balance and durability
• Pitch flywheels: 12 to 14

Detailed Product Description

The ATP Parts Z-166 flexplate features a 14.125-inch outside diameter and 2.0-inch inside diameter, making it suitable for a variety of automatic transmission applications. With 168 teeth, it ensures proper engagement with the starter motor for reliable engine starts. The mounting hole diameter of 11.25 inches allows for secure attachment to the crankshaft. This flexplate is designed for use with one-piece crank seal engines, commonly found in GM vehicles such as Chevrolet Silverado, GMC Sierra, and Cadillac Escalade. The added weight improves rotational balance, reducing vibration and wear during operation.

Compatible Vehicles and Applications

This flexplate is compatible with multiple GM makes and models, including Buick, Cadillac, Chevrolet, GMC, and Oldsmobile. It fits popular models such as the Chevrolet Blazer, Silverado, Suburban, Tahoe, and the GMC Jimmy, Sierra, and Yukon. The ATP Parts Z-166 is ideal for vehicles equipped with automatic transmissions requiring a 168-tooth flexplate and one-piece crank seal engine configuration.

Common Issues Addressed by This Flexplate

• Starter engagement problems due to worn or damaged flexplate teeth
• Vibration and imbalance caused by flexplate weight inconsistencies
• Crankshaft mounting issues from incorrect hole diameter or fitment
• Flexplate failure in one-piece crank seal engine setups
• Transmission noise related to flexplate misalignment

Installation Notes and Tips

• Ensure the engine is a one-piece crank seal type before installation
• Verify the tooth count and mounting hole diameter match your vehicle’s specifications
• Inspect the starter motor ring gear for wear when replacing the flexplate
• Torque mounting bolts to manufacturer specifications to avoid flexplate damage
• Check for proper alignment to prevent transmission and engine issues

Quality Assurance and Warranty

ATP Parts manufactures the Z-166 flexplate to meet OEM standards for durability and fitment. While this flexplate is not SFI approved and does not include an SFI certification sticker, it is designed to provide consistent performance in compatible GM vehicles. ATP Parts offers a limited warranty against defects in materials and workmanship, ensuring confidence in your purchase.