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FREE SHIPPING
On all orders shipped within the United States
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90-day return policy
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On JS Alternators employee labor and a one year warranty on parts
All Alternator Accessories
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23 products
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14.8v Internal Regulator with pigtail plug
$45.00
14.8v Self Excite Regulator
$45.00
15.5 Volt Regulator (ONLY for charging Lithium over 15volts) (Not for AGM Battery use)
$55.00
Sold Out
16 Volt Regulator (ONLY for charging Lithium to 16 volts) (Not for AGM Battery use)
$60.00
Sale
2/0 Copper Lugs - 5/16 stud - 10 Pack
Regular price
$28.99
Sale price
$17.99
Save $11.00
Sale
6 Rib 45mm Serpentine Pulley
Regular price
$29.99
Sale price
$24.99
Save $5.00
Sale
6 rib 52mm Serpentine Pulley
Regular price
$29.99
Sale price
$24.99
Save $5.00
Sale
6 rib 65mm Serpentine Pulley
Regular price
$34.99
Sale price
$29.99
Save $5.00
Sale
6 rib 67mm Serpentine Pulley
Regular price
$49.99
Sale price
$34.99
Save $15.00
Sale
6 rib 76mm Serpentine Pulley
Regular price
$79.99
Sale price
$69.99
Save $10.00
Sale
7 Rib 45mm Serpentine Pulley
Regular price
$29.99
Sale price
$24.99
Save $5.00
Sale
8 Rib 48mm Serpentine Pulley
Regular price
$29.99
Sale price
$24.99
Save $5.00
Brush Holder Assembly
$14.99
External Regulator Plug
$19.99
GM 1 Wire Regulator
$45.00
GM 4pin Alternator Harness
$14.99
Harness Honda OBD2 Alternator Adapter plug
$24.99
Terminal Block (For external regulation)
$45.00
Sold Out
Toyota Alternator Adapter Plug
Regular price
$39.99
Sale price
$24.99
Save $15.00
Sale
Universal Big 3 Wiring Upgrade Kit (10.5ft 1/0 Positive, 1 4ft 1/0 Ground, 1 3ft 1/0 Ground)
Regular price
$259.00
Sale price
$159.00
Save $100.00
Sale
Universal Big 3 Wiring Upgrade Kit (20ft 2/0 Positive, 1 4ft 1/0 Ground, 1 3ft 1/0 Ground)
Regular price
$389.00
Sale price
$289.00
Save $100.00
Sale
Universal Big 3 Wiring Upgrade Kit (4ft 1/0 Positive, 1 4ft 1/0 Ground, 1 3ft 1/0 Ground)
Regular price
$119.99
Sale price
$99.00
Save $20.99
Sale
Universal Big 3 Wiring Upgrade Kit (6ft 1/0 Positive, 1 4ft 1/0 Ground, 1 3ft 1/0 Ground)
Regular price
$239.00
Sale price
$139.00
Save $100.00
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All Alternator Accessories