ATP Parts Z-157 Automatic Transmission Flexplate

ATP Parts Z-157 Flexplate for Ford and Mercury

ATP Parts Z-157 is an automatic transmission flexplate built for Ford and Mercury applications that use a 164-tooth ring gear and a weighted design. It connects the engine to the torque converter and provides the starter ring gear engagement needed for reliable cranking.

Key Features

• Part number: Z-157
• Outside diameter: 14.25 in.
• 164 teeth for starter engagement
• Weighted flexplate design, 50 oz added weight
• High-quality steel construction
• Correct bolt hole spacing and ring gear tooth profile
• 12-pitch flywheel specification
• Mounting hole diameter: 11.5 mm

Product Details

This automatic transmission flexplate is engineered to match original equipment dimensions for proper fit and function. The steel construction helps resist the cracking and shearing that can occur from repeated expansion and contraction during engine operation. With the correct 164-tooth count, 14.25-inch outside diameter, and weighted balance, ATP Parts Z-157 supports dependable torque converter connection and starter engagement in the applications listed below. This part cross-references Pioneer Automotive Industries FRA-214 for the same application.

Common Problems This Part Can Address

• Cracked flexplate from age, fatigue, or repeated load cycling
• Broken starter ring gear teeth
• Noise or vibration from a damaged flexplate
• Torque converter connection issues caused by flexplate failure
• Hard-start or no-start conditions related to ring gear damage

Installation Notes and Fitment

Fits 1996-2001 Ford Explorer, N/A; w/ Weight; Teeth: 164; Outer Diameter: 14.23".

Fits 1997-2001 Mercury Mountaineer, N/A; w/ Weight; Teeth: 164; Outer Diameter: 14.23".

Fits 1982-1996 Ford Bronco, N/A; w/ Weight; Teeth: 164; Outer Diameter: 14.23".

Fits 1990-1996 Ford F-150, N/A; w/ Weight; Teeth: 164; Outer Diameter: 14.23".

Fits 1980-1995 Ford Mustang, N/A; w/ Weight; Teeth: 164; Outer Diameter: 14.23".

Fits 1981-1990 Lincoln Town Car, N/A; w/ Weight; Teeth: 164; Outer Diameter: 14.23".

Verify tooth count, outside diameter, and balance weight before installation. Inspect the torque converter, starter drive, and mounting surfaces for wear or damage, and replace any related components that show signs of failure. Confirm application details for the exact year, engine, and transmission code where noted, including AOD-equipped 1989 Ford F-150 models.

Quality Assurance

ATP Parts manufactures this flexplate from steel with OE-style dimensions and tooth spacing to support long service life and consistent fitment. The Z-157 is not SFI approved and does not include an SFI certification sticker.