Description
The PAI EM92790 turbocharger is a new PAI Excel replacement turbo for Detroit Diesel Series 60 12.7L engines in Class 8 on-highway trucks. It replaces Detroit Diesel 23515635 (also serviced as 23515636 and 23516431) and the BorgWarner/Schwitzer 171701 service unit. This is the Excel-line twin of Genuine PAI ETC-9279, sold new — no core charge — and backed by PAI’s 1-year unlimited-mileage warranty.
Symptoms of a Failing Turbocharger
- Noticeable loss of boost pressure and power under load
- Blue-gray exhaust smoke and rising oil consumption from worn shaft seals
- Whining, grinding, or siren-like noise from the turbo at speed
- Excessive shaft play or compressor wheel contact with the housing
- Oil in the intake piping or charge air cooler
- Black smoke and poor fuel economy from an underboosting turbo
Specifications
| Manufacturer | PAI Industries (Excel line) |
|---|---|
| Part Number | EM92790 |
| Genuine PAI Equivalent | ETC-9279 |
| Replaces | Detroit Diesel 23515635; BorgWarner/Schwitzer 171701 |
| Engine | Detroit Diesel Series 60, 12.7L |
| Condition | New (no core charge) |
| Warranty | 1 Year, unlimited mileage |
Cross References
| Detroit Diesel | 23515635, 23515636, 23516431 |
|---|---|
| BorgWarner / Schwitzer | 171701 |
| Garrett | 466713-0001, 466713-0002 |
| Mack | 2132-23515635, 2132-23515636, 2132-23516431, 7536-171701 |
| Mack / Volvo | 3316-4667130001, 3316-4667130002 |
| Interstate-McBee | A-23516431 |
| PAI | ETC-9279 (Genuine), EM92790 (Excel) |
Applications
- Detroit Diesel Series 60 12.7L on-highway engines (Freightliner, Western Star and other Class 8 chassis)
- Select Mack applications serviced under Mack numbers 2132-23515635 / 7536-171701
Verify part number and engine application before ordering to confirm fitment.









