Beefed Up 12V 170Amp Truck Alternator For Freightliner Kenworth Peterbilt Sterling Without Pulley Replaces 8600126 Fits 8.3L 10.3L 10.8L 11.1L 12.7L 14.0L 14.6L Engine Models And Heavy Duty Electrical Needs

Heavy-Duty 12V 170A Truck Alternator Replacement
✔️ 12V 170A output, bi-directional rotation, no pulley, single unit

Brand-new 12V 170A heavy-duty truck alternator designed to replace worn OEM units in long-haul fleets. It fits Freightliner, Kenworth, Peterbilt, and Sterling models, and comes without a pulley to accommodate your preferred drive setup. This is a direct replacement to keep electrical systems solid on the road.

✅ Voltage: 12V
✅ Amperage: 170A
✅ Rotation: Bi-Directional
✅ Grooves: Without Pulley
✅ Grounding: Negative, DR 36SI, J-180 Mount (33SI upgrade)
✅ Warranty: 1-Year Unlimited Mileage

💡 What is a heavy-duty truck alternator used for?

It powers the vehicle's charging system and supports electrical loads while the engine runs. - 12V 170A output keeps the battery charged under heavy demand
- Ensures reliable starts and operation of lights, ECMs, and accessories on long hauls