ATP Parts Z-498 Automatic Transmission Flexplate

Reliable Automatic Transmission Flexplate for GM and More

The ATP Parts Z-498 automatic transmission flexplate is engineered to meet the demands of various GM vehicles including Chevrolet, GMC, Cadillac, and more. Designed with precision, this flexplate ensures proper engagement between the engine and the transmission for smooth power transfer.

• Outside diameter: 14.125 inches
• Tooth quantity: 168 teeth for accurate starter engagement
• Diameter: 1.177 inches (358.775 mm)
• Compatible with pitch flywheels sized 14
• Designed for automatic transmissions
• Line code: Atp4
• Weight added: No
• SFI approved: No

Detailed Product Description

The ATP Parts Z-498 flexplate is manufactured to precise specifications, featuring 168 teeth and a 14.125-inch outside diameter. This flexplate is designed to work with 14-pitch flywheels, ensuring proper meshing and starter motor engagement. Its 1.177-inch diameter (358.775 mm) provides the correct fitment for a range of vehicles including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models. The flexplate is intended for automatic transmissions and does not include SFI certification or added weight, focusing on reliable performance and compatibility.

Compatible Vehicles and Applications

• Buick 9-7x
• Cadillac Escalade, CTS, and other models
• Chevrolet Avalanche, Camaro, Corvette, Silverado, Suburban, Tahoe, Trailblazer, and more
• GMC Canyon, Sierra 1500/2500/3500 series, Yukon, Envoy, and others
• Hummer H2, H3, H3T
• Isuzu Ascender
• Pontiac G8, Firebird, GTO
• Saab 9-7x

Common Issues Addressed by This Flexplate

• Starter motor engagement problems due to worn or damaged teeth
• Transmission input shaft misalignment
• Vibration or noise caused by a warped or cracked flexplate
• Failure to transfer engine torque smoothly to the transmission
• Replacement for damaged or fatigued OEM flexplates

Installation Notes and Tips

Ensure the flexplate is properly aligned with the crankshaft and torque bolts to manufacturer specifications. Verify the tooth count and pitch match the starter and flywheel requirements of your vehicle. This flexplate is designed for automatic transmissions and should be installed by a qualified technician to avoid damage or misalignment.

Quality Assurance and Warranty

ATP Parts manufactures the Z-498 flexplate to meet industry standards for durability and fitment. While this product is not SFI approved and does not include an SFI certification sticker, it is built to provide reliable service in compatible GM and related vehicles. Warranty details should be confirmed with the parts provider or manufacturer.