TC Remanufacturing F31 Automatic Transmission Torque Converter

Brand TC Remanufacturing F31
Bolt Circle 11.375
Converter Diameter 13.000
Converter Type Non Lock Up
Hub Type Flats
Mounting Type 4 Mounting Studs
Pilot Diameter 1.375
Ring Gear No
Spline Count 26
Stall Medium
Fits Ford and Mercury · 1 vehicle

Non-lockup design. Provides smooth torque transfer without a lockup clutch.

Medium stall. Balances launch response with everyday drivability.

4 mounting studs. Securely fastens with a straightforward stud-mounted design.

$318.32Free shipping
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TC Remanufacturing F31 Torque Converter for 1968 Mercury Cougar

TC Remanufacturing F31 is an automatic transmission torque converter built for a 1968 Mercury Cougar application. This non-lock-up unit uses a 13.000-inch converter diameter, 11.375 bolt circle, 1.375 pilot diameter, and 26-spline hub configuration for a direct-fit service replacement.

Key Features

  • Part number F31 for application-specific identification
  • Non-lock-up automatic transmission torque converter
  • 13.000-inch converter diameter
  • 11.375-inch bolt circle
  • 1.375-inch pilot diameter
  • 26-spline count
  • Medium stall characteristics
  • Flats hub type with 4 mounting studs
  • No ring gear

Product Details

Built for a 1968 Mercury Cougar, TC Remanufacturing F31 is specified as a non-lock-up torque converter with a medium stall profile. The listed hub style, spline count, pilot diameter, and mounting pattern help identify the correct transmission hard part for service work where exact converter dimensions matter. If you are sourcing a 1968 Mercury Cougar torque converter or replacing a TC Remanufacturing F31 unit, these specifications provide the key match points for fitment verification.

Common Uses

  • Restoring drivability after torque converter wear or failure
  • Addressing shudder, slipping, or poor engagement in the automatic transmission
  • Replacing a damaged hub, pilot, or mounting interface
  • Correcting converter mismatch during transmission service

Installation Notes

Verify transmission spline count, pilot diameter, bolt circle, and mounting style before installation. Confirm the converter is fully seated in the transmission pump and that the flexplate and mounting points align with the 4-stud pattern. For best results, inspect related transmission components and flush the cooler circuit during replacement.

Quality Assurance

TC Remanufacturing F31 is cataloged as a transmission hard part with defined dimensional and fitment data for a 1968 Mercury Cougar. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1968MercuryCougar6.4LV8N/A—