Description
Premium aftermarket replacement oil pan kit from PAI Industries, engineered for Caterpillar 3406E diesel engines. The PAI 341370 is a lightweight aluminum sump with 40 mounting holes that bolts directly to the 3406E block, shipping as a complete kit with gasket included. Backed by a factory 2-year warranty and built to meet or exceed OE specifications.
Signs You Need a New Oil Pan
- Visible oil leaks from the bottom of the engine or along the pan gasket
- Dents, cracks, or physical damage from road debris or undercarriage contact
- Cracked welds or deformed sump flanges that prevent a clean gasket seal
- Corrosion or pitting that compromises pan integrity
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 341370 |
| Part Type | Oil Pan Kit (with gasket) |
| Engine Compatibility | Caterpillar 3406E |
| Material | Aluminum |
| Capacity | 36 quarts |
| Mounting Holes | 40 |
| Kit Contents | Pan + gasket |
| Warranty | 2-year factory |
Cross References
This part replaces or is equivalent to the following part numbers:
- Caterpillar: 7C3236
- Caterpillar: 1504638, 150-4638
- Caterpillar: 1336084, 133-6084
- Caterpillar: 7W5249
Related Products
Need the pan without gasket? See PAI 341370E Oil Pan (pan only, 1-year warranty).
Applications
This oil pan fits Caterpillar 3406E engines found in:
- Peterbilt 379, 378, 385, 357, 389 (1993–1999)
- Kenworth W900, T800, T600, T660 (1993–1999)
- Freightliner Classic, FLD, Century Class (1993–1999)
- Western Star 4900, 5900 (1993–1999)
- Heavy equipment and stationary power generation running Cat 3406E
Verify your engine serial number and configuration before ordering to confirm fitment.
