Ancor
Ancor Standard Duplex Cable - Flat 16/2 AWG - 2 x 1mm² Red/Black -Sold by the Foot
MPN: 1217-FT
$1.69
In Stock
Balmar
Balmar Alternator 120 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp Sensor
Out of StockNewSKU: 621-VUP-MC-120-J10
$1036.48$1219.39per unit
1
Secure Checkout
Shipping Available
Fast Processing
This item is currently out of stock.
Special order from Balmar — Estimated 2–4 weeks.
Quick Specs
Amperage: 120AVoltage: 12v
Description
Alternator 120 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp Sensor
Kit Includes: 621-120-J10 Alternator, MC-614 Regulator, Temperature Sensors, Mounting Hardware
621-120-J10 Alternator: 120A, 12V, Spindle Mount (Single Foot), 1-2in, J10 AltMount Serpentine 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-120-SR-KIT
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.Quick Specs
Amperage = 120A | Voltage = 12v
Accessories
No accessories listed for this product.
Specifications
| SKU | 621-VUP-MC-120-J10 |
| UPC | 676205751230 |
| Brand | Balmar |
| Category | Electrical |
| Country of Origin | UNITED STATES |
| Weight | 6 |
| Dimensions | 14 x 11 x 10 |
| Status | Active |
| Last Synced | 10/18/2026, 2:04:59 AM |
Compliance & Shipping
Non-Returnable
Product Literature
Customer Reviews
0.0
0 reviews
5
0
4
0
3
0
2
0
1
0
Only customers who purchased this item can write a review.
No reviews yet. Purchased this item? Be the first to review it.
Frequently Bought Together
Total for 4 items:
$2084.88
Compare Key Features
| Feature |  Balmar Alternator 120 AMP Kit 12V 1-2" Single Foot Spindle Mount J10 Pulley Regulator & Temp Sensor CURRENT |  ARCO Marine Zeus A225OB-12V High Output Outboard Alternator Engineered Kit |  ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A |  ARCO Marine Premium Replacement Universal Alternator w/Single Groove Pulley - 12V 55A |  ARCO Marine Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A |
|---|---|---|---|---|---|
| Price | $1036.48 | $1019.15 | $8.51 | $20.74 | $3.99 |
| Brand | Balmar | ARCO Marine | ARCO Marine | ARCO Marine | ARCO Marine |
| Condition | New | New | New | New | New |
| Availability | Out of Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 6 | 16 | 9.75 | 11.21 | 10.01 |
| Dimensions | 14 x 11 x 10 | 10 x 10 x 10 | 8 x 8 x 7 | 9 x 7 x 7 | 9 x 8 x 7 |
| SKU | 621-VUP-MC-120-J10 | 40471 | 60050 | 60075 | 20800 |
| Country | UNITED STATES | — | KOREA, SOUTH | KOREA, SOUTH | KOREA, SOUTH |
| View Item | View Item | View Item | View Item | View Item |
You Might Also Need
Ancor
Ancor Standard Duplex Cable - Flat 10/2 - 2x5mm² - Red/Black - Sold By The Foot
MPN: 1211-FT
$3.82
In Stock
Blue Sea Systems
Blue Sea 7184 60 Amp Circuit Breaker Surface Mount 285 Series
MPN: 7184
$67.99
In Stock
Pacer
Pacer White Triplex Cable - 14/3 AWG - Black/Green/White - Sold by the Foot
MPN: W14/3-FT
$1.36
In Stock
Blue Sea Systems
Blue Sea 5026 ST Blade Fuse Block w/Cover - 12 Circuit w/Negative Bus
MPN: 5026
$62.89
In Stock
Bluewater
Bluewater 19mm Electronic Deutsch Connector w/5-Wire Pigtal - Nav/Anchor - 4' Lead
MPN: 9057-4914-248
$20.32
In Stock
Blue Sea Systems
Blue Sea 4137 Push Button Reset Only Circuit Breaker Boot - Black
MPN: 4137
$5.94
In Stock
Pacer
Pacer 6/2 AWG Safety Duplex Cable - Flat Cable - Red/Yellow - Sold By The Foot
MPN: W6/2RYW-FT
$6.03
In Stock
More from Balmar
View All
Balmar
Balmar Alternator 100 AMP Kit 12V 1-2" Single Foot Spindle Mount K6 Pulley Regulator & Temp Sensor
MPN: 621-VUP-MC-100-K6
$956.16
In Stock
Balmar
Balmar Alternator 170 Amp, 12V Single Foot Internal Regulator K6 Pulley
MPN: XT-SF-170-IR
$519.85
In Stock
Balmar
Balmar Alternator 170 AMP 12V 3.15" Dual Foot Saddle J10 Pulley
MPN: XT-CR-170-J10
$972.39
In Stock
Balmar
Balmar Alternator 100 AMP 12V 3.15" Dual Foot Saddle Pulley w/Isolated Ground
MPN: 60-100-DV
$711.36
In Stock
Balmar
Balmar Alternator 120 Amp 12V 1-2" Single Foot Single K6 Pulley w/Isolated Grounding
MPN: 621-120-K6
$768.99
In Stock
Related Products
ARCO Marine
ARCO Marine Premium Replacement Universal Alternator w/Single Groove Pulley - 12V 55A
MPN: 60075
$20.74
In Stock
ARCO Marine
ARCO Marine Premium Replacement Alternator w/50mm Multi-Groove Pulley
MPN: 20815
$423.80
In Stock
ARCO Marine
ARCO Marine Premium Replacement Alternator w/Single Groove Pulley - 12V, 55A
MPN: 60050
$8.51
In Stock
ARCO Marine
ARCO Marine Premium Replacement Alternator w/Multi-Groove Pulley - 12V 55A
MPN: 60055
$2.73
In Stock
ARCO Marine
ARCO Marine Premium Replacement Alternator w/65mm Multi-Groove Pulley - 12V 70A
MPN: 20800
$3.99
In Stock
ARCO Marine
ARCO Marine Premium Replacement Alternator w/Single-Groove Pulley - 12V, 70A
MPN: 20810
$186.84
In Stock
ARCO Marine
ARCO Marine Zeus A275L N62 Alternator w/Clutch Pulley & Terminal Block
MPN: 4026
$1007.93
In Stock
CLEARANCEARCO Marine
ARCO Marine Zeus A275L 1"-2" Single Foot Alternator w/Terminal Block
MPN: 4027
$809.60
$1124.20
In Stock
ARCO Marine
ARCO Marine Zeus A225S 3.15 Alternator w/Isolated Ground & Terminal Block
MPN: 4011
$849.92
In Stock
Customers Also Viewed
Frequently Asked Questions
Price
$1036.48