Exterior Components› Body Panels and Components
TCI Automotive
Transmission Gastkets and Seals: Transmission Seal-up Kit; Powerglide TH350/TH400
SKU: T00M 890900
Moderate — 2–4 hours
Description
It is compatible with Powerglide, TH350, and TH400 automatic transmissions. The kit comes in blue and red finishes and includes caps and plugs for the tailshaft, pump, cooler line ports, and kickdown.
Fitment
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Specifications
| Brand | TCI Automotive |
| Part Number | T00M 890900 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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