ATP Parts Z-231 Automatic Transmission Flexplate

Overview of ATP Parts Z-231 Automatic Transmission Flexplate

The ATP Parts Z-231 automatic transmission flexplate is engineered for reliable performance in select Chevrolet and GMC trucks and vans. Designed to meet precise specifications, this flexplate ensures proper engagement between the engine and transmission for smooth power transfer.

• Inside diameter: 2.5 inches
• Outside diameter: 14.125 inches
• Tooth quantity: 168 teeth
• Mounting hole diameter: 11.5 inches
• Compatible with pitch flywheels sized 12 to 14 inches
• Weight added for balanced operation

Detailed Product Description

The ATP Parts Z-231 flexplate features a 2.5-inch inside diameter and a 14.125-inch outside diameter, making it suitable for a range of Chevrolet and GMC vehicles including the C1500, C2500, C2500 Suburban, C3500, Express 3500, G30, K2500, K2500 Suburban, K3500, P30, P3500, R2500 Suburban, R3500, Savana 3500, and V3500 models. With 168 teeth, this flexplate is designed to mesh precisely with the starter motor for reliable engine starts. The mounting hole diameter of 11.5 inches ensures secure attachment to the crankshaft. Additionally, the flexplate is compatible with pitch flywheels ranging from 12 to 14 inches, providing versatility across multiple engine configurations. The added weight feature helps maintain balance during operation, reducing vibration and wear.

Common Applications and Problem Solving

• Replaces worn or damaged flexplates causing starter engagement issues
• Addresses flexplate cracks or warping that lead to transmission noise
• Solves vibration problems related to imbalanced flexplates
• Restores proper tooth alignment for smooth engine starts
• Supports reliable power transfer in automatic transmission systems

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC model before installation
• Inspect the crankshaft flange and starter motor for wear or damage
• Torque mounting bolts to manufacturer specifications to prevent loosening
• Check for proper alignment of the flexplate teeth with the starter gear
• Use thread locker on mounting bolts if recommended by vehicle manufacturer

Quality Assurance and Warranty

ATP Parts manufactures the Z-231 flexplate to meet industry 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 Chevrolet and GMC vehicles. Warranty coverage details should be confirmed with the ATP Parts documentation or authorized distributors.