Description
PAI Industries 331492 air compressor mounting gasket is a direct replacement for Caterpillar 223-3505 (2233505), used at the air compressor / cylinder block mating face on Cat C13 engines. Replaces the OE Cat gasket whenever the air compressor is removed for valve service, head replacement, or full compressor R&R.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 331492 |
| Part Type | Air Compressor Mounting Gasket |
| Engine Compatibility | Caterpillar C13 |
| OE Reference | Cat 223-3505 |
Cross References
This air compressor gasket replaces or is equivalent to the following part numbers:
- Caterpillar: 223-3505, 2233505
- PAI Industries: 331492, CAP331492
Applications
This air compressor mounting gasket fits the following Caterpillar engines:
- Caterpillar C13 (12.5L) on-highway
- Caterpillar C13 ACERT (2004–2010 emissions configurations)
Representative vehicles using these engines:
- Kenworth T660, T800 (2004–2010 with Cat C13)
- Peterbilt 386, 387 (2004–2010 with Cat C13)
- Freightliner Columbia, Coronado (Cat C13 configurations)
- International ProStar (with Cat C13)
- Industrial and gen-set Cat C13 applications
Replace whenever the air compressor is removed. Other Cat engine families (3406E, C15, C16, C18) use different compressor gaskets — verify your engine model before ordering.









