# Balmar Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12V [XT-SF-170-J10]

**Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12V**

Balmar offers a wide range of alternator power upgrades designed specifically for marine industry applications. Balmar installs high reliability bearings, robust rectifier diodes and improved heat-sinking capabilities on all our alternators to ensure improved system reliability combined with increased charging power.

**Features:**

-   1-2" Single Foot J10 Serpentine Pulley
-   170A
-   12V

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

**Specifications:**

-   Voltage: 12v
-   Amperage: 170A
-   Box Dimensions: 9"H x 10"W x 10"L WT: 13.9 lbs
-   UPC: 676205500838

  
[Brochure (pdf)](https://productimageserver.com/literature/brochure/74952BR.pdf)

## Details

- **Price:** 1143.99 USD
- **Type:** Alternators
- **Tags:** Brand_Balmar, Engine Parts & Service, Engine Parts & Service | Alternators

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1143.99 USD | In stock |

## Images

- Balmar Alternator 1-2" Single Foot J10 Serpentine Pulley - 170A - 12V [XT-SF-170-J10] Balmar

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> Source: [Besafe1st](https://besafe1st.com/products/balmar-alternator-1-2-single-foot-j10-serpentine-pulley-170a-12v-xt-sf-170-j10)
> Updated: 2026-05-21