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TC Remanufacturing HD3689-8-2 Automatic Transmission Torque Converter
| Brand | TC Remanufacturing HD3689-8-2 |
|---|---|
| Bolt Circle | 11.375 |
| Converter Codes | 6MM, WW9 |
| Converter Diameter | 12.750 |
| Converter Type | Multi Disc Lock Up |
| Hub Type | Milled Flats |
| Mounting Type | Studs |
| Pilot Diameter | 1.375 |
| Ring Gear | No |
| Spline Count | 31 |
| Stall | 1300-1500 |
| Fits | Ford · 6 vehicles |
Multi-disc lockup. Provides smooth engagement and efficient power transfer.
Stud-mounted design. Simplifies installation with a secure, stable connection.
Milled flats hub. Helps ensure precise fit and dependable operation.
Torque Converter for Ford Super Duty
TC Remanufacturing HD3689-8-2 is an automatic transmission torque converter built for 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty applications. It features a 12.750-inch converter diameter, multi disc lock up design, and a 1300-1500 stall range for the listed Super Duty fitments.
Key Features
- Part number: HD3689-8-2
- Automatic transmission torque converter for Ford F-250 Super Duty and Ford F-350 Super Duty
- 12.750-inch converter diameter
- Multi disc lock up converter type
- 1300-1500 stall range
- 11.375 bolt circle with stud mounting type
- 31 spline count
- Milled flats hub type
- 1.375 pilot diameter
- No ring gear
- Converter codes: 6MM, WW9
Detailed Description
TC Remanufacturing HD3689-8-2 is a remanufactured automatic transmission torque converter specified for 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty trucks. The multi disc lock up design supports controlled coupling in the transmission, while the 12.750-inch diameter, 31 spline count, 11.375 bolt circle, stud mounting, and milled flats hub help define the exact OE-style fitment profile for the listed Ford Super Duty applications. If you are searching for a torque converter for a 2008-2010 Ford F-250 Super Duty or a 2008-2010 Ford F-350 Super Duty, HD3689-8-2 matches the published vehicle coverage and converter specifications.
Common Uses
- Replacing a worn or failing torque converter in a Ford F-250 Super Duty
- Replacing a worn or failing torque converter in a Ford F-350 Super Duty
- Addressing shudder or inconsistent lockup behavior in the transmission
- Correcting drivability issues tied to converter wear or internal clutch problems
- Restoring proper stall characteristics for the listed Super Duty application
Installation Notes and Tips
Verify transmission code, converter codes 6MM and WW9, spline count, pilot diameter, and bolt circle before installation. Confirm the converter seats fully and that the transmission and flexplate mounting points match the published specifications for HD3689-8-2. For best results, inspect the transmission fluid, cooler, and related hard parts during replacement.
Quality Assurance
TC Remanufacturing supplies remanufactured transmission components with application-specific specifications for direct vehicle matching. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Ford | F-250 Super Duty | 6.4L | V8 | N/A | — |
| 2010 | Ford | F-350 Super Duty | 6.4L | V8 | N/A | — |
| 2009 | Ford | F-250 Super Duty | 6.4L | V8 | N/A | — |
| 2009 | Ford | F-350 Super Duty | 6.4L | V8 | N/A | — |
| 2008 | Ford | F-250 Super Duty | 6.4L | V8 | N/A | — |
| 2008 | Ford | F-350 Super Duty | 6.4L | V8 | N/A | — |
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