1990–1993 GMC K2500 Alternator 7861 | 105A, 6-Groove
$123.95
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1990–1993 GMC K2500 Alternator 7861 | 105A, 6-Groove
$123.95
This new replacement alternator fits the 1990–1993 GMC K2500 in the configurations listed below.
Vehicle fitment
| Model years | Vehicle | Configuration |
|---|---|---|
| 1989, 1990, 1991, 1992, 1993 | Chevrolet Blazer | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1990, 1991, 1992, 1993 | Chevrolet C1500, C2500, C3500, K1500, K2500, K3500 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1992, 1993 | Chevrolet C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1991, 1992, 1993 | Chevrolet C3500HD | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1993 | Chevrolet Lumina | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1988, 1989, 1990, 1991, 1992, 1993 | Chevrolet S10, S10 Blazer | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1990, 1991, 1992, 1993 | GMC C1500, C2500, C3500, K1500, K2500, K3500 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1992, 1993 | GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, Typhoon | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1991, 1992, 1993 | GMC C3500HD, Sonoma | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1989, 1990, 1991, 1992, 1993 | GMC Jimmy | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1990, 1991 | Chevrolet C35 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1989, 1990, 1991 | Chevrolet R1500 Suburban, R2500 Suburban, V1500 Suburban, V2500 Suburban | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1989, 1990, 1991 | GMC R1500 Suburban, R2500 Suburban, V1500 Suburban, V2500 Suburban | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1988, 1989, 1990, 1991 | GMC S15 Jimmy | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1991 | GMC Syclone | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1989, 1990 | Chevrolet R3500, V3500 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1989, 1990 | GMC R3500, V3500 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1988, 1989, 1990 | GMC S15 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
| 1989 | GMC R2500 | Selected engine and alternator configurations only. Match original number, mounting, plug orientation and A/C equipment; coverage is not all-engine. |
Part numbers
Other interchange references: 7861-7N-6G, 7861, 110500, 112338, 78617, 79217, 79747, 79817, 10463111, 1101318, 1101620
What’s included
Includes one new alternator with pulley.
Specifications
- Output: 105 A
- Voltage: 12 V
- Pulley grooves: 6
- Pulley type: Conventional
- Pulley diameter: 59 mm
- Rotation: Clockwise
- Regulator: Internal
- Plug clock position: 7 o’clock
Before ordering
Match the original alternator part number, amperage, electrical connector, mounting points and pulley with the listing. Check any equipment or production-date notes in the fitment table.
Installation tip: Disconnect the negative battery cable before replacement. Check the belt, tensioner and battery-cable connections, then verify charging operation after installation.
Need a match? Send your VIN and a photo of the original alternator label to our Auto Parts Desk.
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