# Balmar Kit 621 Series 100A Single FT Alt MC Reg T Sensor [621-VUP-MC-100-SV]

**Kit 621 Series 100A Single FT Alt MC Reg T Sensor**

**Kit Includes:** 

-   621-100-SV Alternator, MC-618 Regulator, Temperature Sensors, Mounting Hardware

621-100-SV Alternator: 100A, 12V, Spindle Mount (Single Foot), 1-2in, Single Deep Vee Pulley, Isolated Ground

1" Motorola-Style Mounting;  Typical for Westerbeke, Lehman, Hino & Pathfinder Engines  
2" Delco-Style Mounting;  Typical for Volvo Penta (Gas & Diesel), John Deere, Perkins, Mercruiser, Pleasurecraft, Crusader, Indmar, Marine Power & other GM-based Engines

**Replaces:**

-   621-VUP-MC-100-SR-KIT

**This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.**

**Specifications:**

-   Amperage: 100A
-   Voltage: 12v
-   Box Dimensions: 10"H x 11"W x 14"L WT: 16.2 lbs
-   UPC: 676205000543

  
[Brochure (pdf)](https://productimageserver.com/literature/brochure/88988BR.pdf)

## Details

- **Price:** 1124.89 USD
- **Type:** Alternators
- **Tags:** Brand_Balmar, Engine Parts & Service, Engine Parts & Service | Alternators

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1124.89 USD | In stock |

## Images

- Balmar Kit 621 Series 100A Single FT Alt MC Reg T Sensor [621-VUP-MC-100-SV] Balmar

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> Source: [Besafe1st](https://besafe1st.com/products/balmar-kit-621-series-100a-single-ft-alt-mc-reg-t-sensor-621-vup-mc-100-sv)
> Updated: 2026-05-21