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  • ATSG 125C
  • ATSG 125C


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Product ID: 125C

Availability: In stock

125C is available for purchase in increments of 1


GM THM 3T40 (125C) Transaxle found in many GM vehicles and Opels. Covers transaxle assembly, dis-assembly, diagnosis and troubleshooting

Note: There have been many engineering changes in this transmission since its introduction. ATSG also has available an "Update Handbook" which includes the many changes and is required along with this manual for a proper overhaul or repair.

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