Description
Product Overview
The IMOOA Transmission Pan is a premium replacement component designed specifically for GM Chevrolet TH350 and TH400 automatic transmissions. Crafted from high‑grade cast aluminum, the pan provides exceptional durability while remaining lightweight. Its finned‑style design in a matte black finish not only adds a professional look but also enhances heat dissipation during operation. Engineered with a precise 2.25″ depth, it matches the original specifications to ensure proper oil capacity and flow. The package includes a robust drain plug, all necessary mounting bolts, and a reliable gasket, delivering a complete solution for a hassle‑free oil change.
Usage
This transmission pan is ideal for both professional mechanics and DIY enthusiasts performing routine maintenance or rebuilding a TH350/TH400 transmission. Its aluminum construction resists corrosion and wear, making it suitable for daily driving, performance upgrades, and heavy‑duty applications. Install the pan in any garage, workshop, or on‑vehicle setting where a reliable oil drain solution is required. 
Why Choose Us
IMOOA stands for quality and precision in automotive components. Each pan undergoes rigorous testing to meet OEM standards, guaranteeing a perfect fit and leak‑free performance. The finned design not only looks sleek but also actively reduces operating temperatures, extending the life of transmission fluid. Our comprehensive kit eliminates the need for additional purchases, saving time and reducing installation errors. Backed by a solid warranty and positive customer reviews, IMOOA provides confidence and value for every purchase.
Key Features
- High‑grade cast aluminum construction for strength and lightweight performance
- Finned black finish improves heat dissipation and adds a professional appearance
- Exact 2.25″ depth aligns with OEM TH350/TH400 specifications for optimal oil capacity
- Complete installation kit includes drain plug, bolts, and gasket for quick, secure mounting
- Designed specifically for GM Chevrolet TH350 and TH400 transmissions ensuring perfect fit
FAQ
Is this pan compatible with both TH350 and TH400 transmissions?
Yes, the IMOOA pan is engineered to fit both TH350 and TH400 models, providing the correct depth and bolt pattern for each.
What material is the pan made from?
The pan is made from high‑grade cast aluminum, offering excellent durability, corrosion resistance, and heat dissipation.
Do I need any additional parts for installation?
No, the package includes a durable drain plug, all required mounting bolts, and a high‑quality gasket, giving you everything needed for a complete installation.
How does the finned design benefit my transmission?
The fins increase surface area, allowing heat to dissipate more efficiently, which helps maintain optimal transmission fluid temperature and prolongs component life.
Can I install this pan myself?
Absolutely. The pan comes with a detailed installation guide, and with basic hand tools, most DIY enthusiasts can complete the replacement in under an hour.







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