ATP Parts Z-135 Automatic Transmission Flexplate

Overview of ATP Parts Z-135 Automatic Transmission Flexplate

The ATP Parts Z-135 automatic transmission flexplate is engineered for reliable performance in a range of Chevrolet and GMC trucks and SUVs. Designed with precise specifications, this flexplate ensures proper engagement between the engine and transmission for smooth power transfer.

• Outside diameter: 14.125 inches
• Tooth quantity: 139 teeth
• Mounting hole diameter: 11.75 inches
• Diameter: 1.177 inches (358.775 mm)
• Pitch flywheels: 10
• Weight added for balance
• Compatible with multiple Chevrolet and GMC models

Detailed Product Description

The ATP Parts Z-135 flexplate is designed specifically for automatic transmissions in Chevrolet and GMC vehicles including Blazer, C10, C1500, K5 Blazer, Jimmy, and various Suburban and pickup truck models. With 139 teeth and a 14.125-inch outside diameter, this flexplate matches factory specifications to maintain proper starter engagement and torque converter alignment. The mounting hole diameter of 11.75 inches ensures a secure fit to the crankshaft flange. Additionally, the flexplate includes weight added for balance, which helps reduce vibration and wear during operation.

Compatible Vehicles and Applications

This flexplate is compatible with a wide range of Chevrolet and GMC trucks and SUVs, including:

• Chevrolet Blazer, C10, C20, C30, C1500, C2500, C3500
• GMC Jimmy, K5 Blazer, K10, K20, K30, K1500, K2500, K3500
• Suburban models for C10, C20, C1500, C2500, K10, K20, K1500, K2500
• G20, G30 vans and R-series trucks

Common Issues Addressed by the Flexplate

• Starter engagement problems due to worn or damaged teeth
• Transmission vibration caused by unbalanced flexplates
• Crankshaft and torque converter misalignment
• Flexplate cracking or warping from heat and stress
• Noise and rough shifting related to flexplate failure

Installation Notes and Tips

• Ensure the mounting surface and crankshaft flange are clean and free of debris
• Verify tooth count and diameter match the original flexplate
• Torque mounting bolts to manufacturer specifications to avoid warping
• Inspect the starter ring gear for damage before installation
• Check for proper alignment with the torque converter during installation

Quality Assurance and Warranty

The ATP Parts Z-135 flexplate is manufactured to meet OEM standards for durability and fitment. While this product is not SFI approved and does not include an SFI certification sticker, it is designed to provide reliable service in compatible Chevrolet and GMC vehicles. Warranty coverage details should be confirmed with the parts provider or manufacturer.