FREE SHIPPING
Free shipping on every order — no minimum purchase required.DESCRIPTION
Buick, Oldsmobile, Pontiac BOP THM400 Turbo Hydra-Matic Transmission Case — This used GM transmission case fits all B-Body, Oldsmobile, and Pontiac vehicles equipped with the legendary THM400 three-speed automatic. Key specs:
- Genuine GM THM400 case casting
- Fits 1969–1987 BOP vehicles
- Heavy-duty iron construction
- Used condition; fully castable for rebuild
Ideal core for restoration or performance builds—this robust case handles big-block power and is the foundation for any THM400 rebuild or upgrade.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Exchanges accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
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