Description
Genuine Delco Remy 28SI brushless heavy-duty alternator (8600308) delivering 12V at 160A with a J180 long-hinge mount and 8.5″ mounting spacing. Features dual internal fans, internal regulator, clockwise rotation, and remote sense for accurate battery charging in Class 8 on-highway, vocational, and bus applications.
Specifications
| Manufacturer | Delco Remy (BorgWarner) |
|---|---|
| Part Number | 8600308 |
| Part Type | Alternator |
| Model Series | 28SI |
| Voltage | 12V |
| Rated Output | 160 Amps |
| Mount Type | J180 Long Hinge (8.5″ spacing) |
| Rotation | Clockwise (CW) |
| Regulator | Internal (IR) |
| Fan Type | Dual Internal Fan (DIF) |
| B+ Terminal | 5/16″ |
| Remote Sense | Yes |
| Ground | Negative |
| Pulley | Not Included |
| Condition | New |
| Weight | 20.7 lbs |
| Warranty | 1 Year / Unlimited Miles (2 Years for School Bus) |
Cross References
This part replaces or is equivalent to the following part numbers:
- Delco Remy: 8600308, 8600307, 8600311, 2132-8600308
- Mack: 25109827, 2MJ4112P2, 2MJ4143, 2MJ4145
- Volvo: 3948718
- Leece-Neville: A0012828LC, 8LHA2057VGH
- Wilson: 90-01-4298, 90-01-4299, 90-04-7084
- Lester: 8744, 8745, 8747
- PACCAR: K371-208-1
- Caterpillar: OR8332, 9X6796
- Navistar: 1259597
- Cummins: 216037, 216038, 216039
Applications
This alternator fits Class 8 trucks and buses with J180 long-hinge mounts, including:
- Cummins ISX, ISL, ISC (2007–2025)
- Detroit DD13, DD15, DD16 (2007–2025)
- Caterpillar C13, C15 (2007–2017)
- Mack MP7, MP8 (2007–2025)
- Volvo D11, D13 (2007–2025)
- PACCAR MX-13 (2010–2025)
Representative vehicles using these engines:
- Freightliner Cascadia, Business Class M2, Century Class
- Kenworth T680, T880, W900
- Peterbilt 579, 389, 367
- International ProStar, LT Series, RH Series
- Mack Pinnacle, Granite, Anthem
- Volvo VNL, VNR, VHD
- Western Star 4700, 4900
- Blue Bird, IC Bus, Thomas Built school buses
Verify your alternator mounting style (J180 long hinge), pulley, and electrical configuration before ordering to confirm fitment.
