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ATP Parts Z-124 Automatic Transmission Flexplate
Overview of ATP Parts Z-124 Automatic Transmission Flexplate
The ATP Parts Z-124 automatic transmission flexplate is designed specifically for select Cadillac models, including the Commercial Chassis, DeVille, Eldorado, and Fleetwood. Engineered to meet precise specifications, this flexplate ensures reliable performance and proper fitment for your vehicle's automatic transmission system.
- Outside diameter: 13.938 inches
- Tooth quantity: 166 teeth
- Mounting hole diameter: 11.5 mm
- Diameter: 1.161 inches (348.175 mm)
- Compatible with pitch flywheels sized 12 to 14 inches
- Not SFI approved and does not include SFI certification sticker
- Weight added: No
Detailed Product Description
The ATP Parts Z-124 flexplate is manufactured to match the exact dimensions required for Cadillac automatic transmissions in models such as the Commercial Chassis, DeVille, Eldorado, and Fleetwood. With an outside diameter of 13.938 inches and 166 teeth, this flexplate provides the necessary engagement with the starter motor for smooth engine starts. The mounting hole diameter of 11.5 mm ensures secure attachment to the crankshaft, while the diameter of 1.161 inches (348.175 mm) aligns with the transmission input shaft specifications. Designed for use with pitch flywheels ranging from 12 to 14 inches, this flexplate supports proper torque transfer and engine balance without added weight modifications.
Applications and Problem Solving
This automatic transmission flexplate is compatible with the following Cadillac models:
- Cadillac Commercial Chassis
- Cadillac DeVille
- Cadillac Eldorado
- Cadillac Fleetwood
Common issues addressed by replacing the flexplate include:
- Starter engagement problems due to worn or damaged teeth
- Vibrations caused by flexplate imbalance or cracks
- Transmission input shaft misalignment
- Noise from flexplate damage or warping
- Failure to properly transfer engine torque to the transmission
Installation Notes and Tips
- Ensure the flexplate matches the vehicle’s exact make and model before installation
- Inspect the crankshaft flange and mounting holes for damage or wear
- Torque mounting bolts to manufacturer specifications to avoid loosening or warping
- Check starter ring gear engagement after installation
- Verify pitch flywheel compatibility within the 12 to 14 inch range
Quality Assurance and Warranty
The ATP Parts Z-124 flexplate is manufactured 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 engineered to provide consistent performance for the specified Cadillac models. Warranty coverage details should be confirmed with the parts provider or manufacturer.
| Brand | ATP Parts |
| Part Number | Z-124 |
| Diameter (in) | 1.161 |
| Diameter (mm) | 348.175 |
| LineCode | ATP4 |
| Mounting Hole Diameter | 11.5 |
| Outside Diameter | 13.938 |
| Pitch Flywheels | 12 To 14 |
| Teeth | 166 |
| Tooth Quantity | 166 |
This part fits 59 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1984 | Cadillac | Commercial Chassis | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1984 | Cadillac | Fleetwood | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1983 | Cadillac | Commercial Chassis | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1983 | Cadillac | Fleetwood | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1982 | Cadillac | Commercial Chassis | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1982 | Cadillac | Fleetwood | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1981 | Cadillac | Commercial Chassis | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1981 | Cadillac | DeVille | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1981 | Cadillac | Eldorado | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1981 | Cadillac | Fleetwood | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1980 | Cadillac | Commercial Chassis | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1980 | Cadillac | DeVille | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1980 | Cadillac | Eldorado | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1980 | Cadillac | Fleetwood | 6.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1979 | Cadillac | Commercial Chassis | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1979 | Cadillac | DeVille | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1979 | Cadillac | Fleetwood | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1978 | Cadillac | Commercial Chassis | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1978 | Cadillac | DeVille | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1978 | Cadillac | Eldorado | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1978 | Cadillac | Fleetwood | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1977 | Cadillac | Commercial Chassis | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1977 | Cadillac | DeVille | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1977 | Cadillac | Eldorado | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1977 | Cadillac | Fleetwood | 7.0L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1976 | Cadillac | DeVille | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901"; w/o Weight |
| 1976 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901"; w/o Weight |
| 1976 | Cadillac | Fleetwood | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1975 | Cadillac | DeVille | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901"; w/o Weight |
| 1975 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901"; w/o Weight |
| 1975 | Cadillac | Fleetwood | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1974 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1974 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1974 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1974 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1973 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1973 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1973 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1973 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1972 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1972 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1972 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1972 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1971 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1971 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1971 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1971 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1970 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1970 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1970 | Cadillac | Eldorado | 8.2L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1970 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1969 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1969 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1969 | Cadillac | Eldorado | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1969 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1968 | Cadillac | Commercial Chassis | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1968 | Cadillac | DeVille | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1968 | Cadillac | Eldorado | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
| 1968 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Teeth: 166; Outer Diameter: 13.901" |
* 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.