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ATP Parts Z-126 Automatic Transmission Flexplate
Reliable Automatic Transmission Flexplate for Ford and Mercury Vehicles
The ATP Parts Z-126 automatic transmission flexplate is engineered to meet the specific requirements of select Ford and Mercury models, including the Mustang, Cougar, LTD, Monarch, and Montego. Designed with precision, this flexplate ensures proper engagement and smooth operation of your vehicle's automatic transmission system.
- Outside diameter of 13.313 inches (338.175 mm) for exact fitment
- 157 teeth for optimal starter engagement
- Mounting hole diameter of 10.5 mm for secure installation
- Weight added design with 28 ounces for balanced operation
- Compatible with pitch flywheels ranging from 12 to 14
Detailed Product Description
The ATP Parts Z-126 flexplate is manufactured to precise specifications, featuring a 13.313-inch outside diameter and 157 teeth to ensure reliable starter motor engagement. The mounting hole diameter of 10.5 mm allows for a secure and accurate fit on compatible automatic transmissions. This flexplate includes a weight addition of 28 ounces, which helps maintain balance and reduce vibration during operation. It is designed for use with pitch flywheels sized between 12 and 14, making it suitable for a range of Ford and Mercury vehicles such as the Mustang, Cougar, LTD, Monarch, and Montego.
Common Applications and Problem Resolution
- Replaces worn or damaged flexplates causing starter engagement issues
- Addresses vibration problems due to unbalanced or damaged flexplates
- Solves mounting alignment issues with precise hole diameter and tooth count
- Restores proper transmission function in affected Ford and Mercury automatic models
- Prevents transmission damage caused by faulty flexplate operation
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make, model, and transmission type before installation
- Inspect the flywheel and starter for wear or damage during replacement
- Torque mounting bolts to manufacturer specifications to avoid flexplate warping
- Check for proper alignment of the flexplate teeth with the starter motor ring gear
- Use appropriate tools and follow safety procedures when working under the vehicle
Quality Assurance and Warranty Information
ATP Parts manufactures the Z-126 flexplate to meet industry standards for durability and performance. While this flexplate is not SFI approved and does not include an SFI certification sticker, it is designed to provide reliable service in compatible Ford and Mercury automatic transmission applications. ATP Parts offers a limited warranty against defects in materials and workmanship, ensuring confidence in your purchase.
| Brand | ATP Parts |
| Part Number | Z-126 |
| Diameter (in) | 1.109 |
| Diameter (mm) | 338.175 |
| LineCode | ATP4 |
| Mounting Hole Diameter | 10.5 |
| Outside Diameter | 13.313 |
| Pitch Flywheels | 12 To 14 |
| Teeth | 157 |
| Tooth Quantity | 157 |
| Weight Added | Y |
| Weight OZ | 28 |
This part fits 58 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1976 | Mercury | Monarch | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1975 | Mercury | Monarch | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1974 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1974 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1974 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1973 | Ford | Mustang | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1973 | Ford | Mustang | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version | ||
| 1973 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. | ||
| 1973 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1972 | Ford | LTD | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight | ||
| 1972 | Ford | LTD | 5.0L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1972 | Ford | Mustang | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1972 | Ford | Mustang | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version | ||
| 1972 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1972 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1972 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1971 | Ford | LTD | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight | ||
| 1971 | Ford | LTD | 5.0L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1971 | Ford | Mustang | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1971 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1971 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1971 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1970 | Ford | LTD | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight | ||
| 1970 | Ford | LTD | 5.0L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1970 | Ford | Mustang | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1970 | Mercury | Cougar | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX |
| 1970 | Mercury | Cougar | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 |
| 1970 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1970 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1970 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1969 | Ford | LTD | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight | ||
| 1969 | Ford | LTD | 5.0L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1969 | Ford | Mustang | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1969 | Mercury | Cougar | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1969 | Mercury | Cougar | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1969 | Mercury | Cougar | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX |
| 1969 | Mercury | Cougar | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 |
| 1969 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1969 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1969 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1968 | Ford | LTD | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight | ||
| 1968 | Ford | LTD | 5.0L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1968 | Ford | Mustang | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1968 | Ford | Mustang | 4.7L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1968 | Mercury | Cougar | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1968 | Mercury | Cougar | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1968 | Mercury | Cougar | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1968 | Mercury | Cougar | 4.7L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1968 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX | ||
| 1968 | Mercury | Montego | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits C4 | ||
| 1968 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1968 | Mercury | Montego | 5.0L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng.; Only Fits FMX |
| 1967 | Ford | LTD | 4.7L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
| 1967 | Ford | Mustang | 4.7L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1967 | Mercury | Cougar | 4.7L | V8 | N/A | 157 Teeth, Outer Diameter of 13.294 inches, Includes Weight |
| 1966 | Ford | Mustang | 4.7L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1965 | Ford | Mustang | 4.7L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; Normal Duty Version |
| 1964 | Ford | Mustang | 4.7L | V8 | N/A | Teeth: 157; Outer Diameter: 13.294"; exc. Special Eng. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.