Balmar Alternator Vortec K6 Serpentine Pulley Regulator & Temp Sensor - 170A - 12V - XT-VT-170-K6-KIT
Manufacturer Part #: XT-VT-170-K6-KIT
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Balmar Vortec Alternator Kit 170 Amp 12V with K6 Pulley, Regulator & Temp Sensor – XT-VT-170-K6-KIT
The Balmar Vortec Alternator Kit – 170 Amp, 12 Volt (XT-VT-170-K6-KIT) is a complete high-performance marine charging solution designed for vessels with modern electrical demands and large house battery banks. This all-inclusive kit features a Balmar Vortec alternator, K6 serpentine pulley, external smart voltage regulator, and temperature sensors, delivering intelligent, reliable, and efficient charging for cruising and offshore applications.
Built on Balmar’s advanced Vortec alternator platform, this system offers exceptional thermal management and high output at cruising RPMs. The 170-amp output at 12 volts provides powerful charging capability for inverters, refrigeration, navigation electronics, lighting, and other onboard systems, making it ideal for sailboats, powerboats, trawlers, and performance vessels.
The included K6 serpentine pulley ensures superior belt grip, reduced slippage, and smoother, quieter operation compared to traditional V-belt setups. The external smart regulator enables precise multi-stage charging, optimizing performance for AGM, gel, and lithium battery banks (with proper configuration). Alternator and battery temperature sensors protect your electrical system by automatically adjusting output to prevent overheating and extend battery life.
Engineered with marine-grade, corrosion-resistant materials, the Balmar Vortec alternator kit is designed to withstand harsh saltwater environments and continuous-duty operation. Trusted by professional installers and long-range cruisers, this kit provides a turnkey upgrade for superior charging performance and system protection.
Key Performance Features
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170 Amp XT-Series Alternator: Delivers massive power at both idle and cruising speeds, specifically designed for high-load environments.
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Vortec-Specific Mounting: Engineered for a direct fit on GM Vortec engines, ensuring perfect alignment and easy installation.
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MC-618 Multi-Stage Regulator: The brain of the system. It monitors battery health and adjusts voltage/amperage in real-time to prevent overcharging.
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K6 Serpentine Pulley: Pre-installed 6-groove pulley designed to handle the high torque of a 170A load without belt slippage.
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Full Temperature Protection: Includes sensors for both the alternator and the battery bank, allowing the system to "throttle back" if components get too hot.
Technical Specifications
| Feature | Details |
| Model Number | XT-VT-170-K6-KIT |
| Output / Voltage | 170 Amps / 12 Volts |
| Engine Fitment | GM Vortec (Mounting Style) |
| Pulley Type | K6 Serpentine (6-Groove) |
| Regulation | External MC-618 (Included) |
| Grounding | Case Ground |
| Compliance | USCG Title 33, ISO 8846, SAE J1171 |
In The Box
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1 x Balmar XT-170 Alternator (Vortec Mount)
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1 x MC-618 Multi-Stage Smart Regulator
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1 x Alternator Temperature Sensor (MC-TS-A)
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1 x Battery Temperature Sensor (MC-TS-B)
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1 x Wiring Harness and all necessary installation hardware
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Technical Manuals for both the alternator and regulator
The Balmar Vortec Alternator Kit with K6 Serpentine Pulley, Regulator & Temp Sensor – 170A, 12V – XT-VT-170-K6-KIT is the perfect all-in-one solution for boat owners seeking maximum charging power, intelligent control, and long-term reliability.
Balmar Alternator Vortec K6 Serpentine Pulley Regulator & Temp Sensor - 170A - 12V - XT-VT-170-K6-KIT is backordered and will ship as soon as it is back in stock.
Balmar Alternator Vortec K6 Serpentine Pulley Regulator & Temp ...
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