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FREE SHIPPING
On all orders shipped within the United States
Hassle-free returns
90-day return policy
Lifetime Warranty
On JS Alternators employee labor and a one year warranty on parts
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Sale
Universal Big 3 Wiring Upgrade Kits
Regular price
$119.99
Sale price
$99.00
Save $20.99
Sale
Polaris Slingshot Big3 Wiring Upgrade Kit
Regular price
$159.00
Sale price
$139.00
Save $20.00
15.5 Volt Regulator (ONLY for charging Lithium over 15volts) (Not for AGM Battery use)
$55.00
14.8v Internal Regulator with pigtail plug
$45.00
GM 4pin Alternator Harness
$14.99
14.8v Self Excite Regulator
$45.00
Sale
6 Rib 45mm Serpentine Pulley
Regular price
$29.99
Sale price
$24.99
Save $5.00
Harness Honda OBD2 Alternator Adapter plug
$24.99
Brush Holder Assembly
$12.99
Sale
8 Rib 48mm Serpentine Pulley
Regular price
$29.99
Sale price
$24.99
Save $5.00
Sold Out
Harness CS144 to GM AD244 4pin Oval Plug Adapter
$24.99
Sold Out
Toyota Alternator Adapter Plug
Regular price
$39.99
Sale price
$24.99
Save $15.00
Sale
7 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
External Regulator Plug
$19.99
Sale
2/0 Copper Lugs - 5/16 stud - 10 Pack
Regular price
$28.99
Sale price
$17.99
Save $11.00
GM 1 Wire Regulator
$45.00
Terminal Block
$45.00
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All Alternator Accessories