Ignitions and Electrical› Charging Systems

BALMAR

KIT 621 SERIES 100A SINGLEFT ALTER

$1,018.80

SKU: B07M 621-VUP-MC-100-K6

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Kit includes a 621-100-K6 Alternator, MC-618 Regulator, Temperature Sensors, and Mounting Hardware. The 621-100-K6 Alternator is 100A, 12V, Spindle Mount (Single Foot), 1-2in, with a K6 Serpentine Pulley and Isolated Ground. It replaces the 621-VUP-MC-100-SR-KIT. Features an MC618-H regulator, high output, small case, isolated ground, single foot mount (1" or 2" using included adaptor), externally regulated with a single output, patented SmartReady backup internal regulator, certified ignition protected for gasoline or diesel motors, and high volume cooler running dual internal fans.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBALMAR
Part NumberB07M 621-VUP-MC-100-K6

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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