13770
BOSCHAlternatorIR/IF12V105ACW Rotation
Fits Pontiac, Chevrolet and Oldsmobile · 3.4L engine
7 interchanges8 applications13 components
Or call (405) 225-7220 · M–F 8–5 CT
Note:This is a 105A Mexican Built Bosch Alternator for the 1999 Chevrolet Venture, Oldsmobile Silhouette, and Pontiac Montana. The 125A Version is the 13771. This Unit Uses a 6-Groove Pulley. It Has Been Reported By Some in the Field That This and the 13989 Are Interchangeable.
Specifications
Full technical detail
- Type
- Alternator
- Manufacturer
- BOSCH
- Design
- IR/IF
- Voltage
- 12V
- Amperage
- 105A
- Rotation
- CW
- Pulley Design
- S6
- Pulley Groove OD
- 57
- Plug Code
- 314
- Plug Clock
- 2:00
OEM part numbers
Genuine OEM & engine-manufacturer numbers this alternator replaces
Vehicle applications
Fits 8 configurations
8 configurations
Domestic(8)
| Make | Model | Engine | Years |
|---|---|---|---|
| Chevrolet | Venture | 1999–1999 | |
| Chevrolet Van(Van) | Venture | V6 3.4L 207cid | 1999–2001 |
| Oldsmobile | Silhouette | 1999–1999 | |
| Oldsmobile Van(Van) | Silhouette | V6 3.4L 207cid | 1999–2001 |
| Pontiac | Montana | 1999–1999 | |
| Pontiac | Trans Sport | 1999–1999 | |
| Pontiac Van(Van) | Montana | V6 3.4L 207cid | 1999–2001 |
| Pontiac Van(Van) | Trans Sport | V6 3.4L 207cid | 1999–1999 |
Component breakdown
Replacement parts that go inside this unit
| Component | Part numbers |
|---|---|
| Bearing, Ball | 5-3507 5-4700 |
| Cover, Alt | 8420-113 |
| Plug Code | 9801-314 |
| Pulley | 7920-2168 |
| Rectifier | 7720-1067 |
| Regulator & Brush Holder | 8020-1054 |
| Rotor | 7020-5075 |
| Screw | 9620-119 |
| Slip Ring, Rotor | 7120-202 |
| Stator | 7220-9436 |
| Test Equipment | 9800-DVC |
| Tolerance Ring | 9220-2019 |
| Washer, Spring | 9720-2023 |