Alternator Components
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Rotor Rewound 303-12051
COSMOS INTERNATIONAL
$9,999.00Rotor RewoundReplace OEM(s): DelcoUsed On: Delco 21SI AlternatorsAmps: 50/70 AmpsAmps Draw: 2.5 AmpsAmps Low Output: 50 AmpsBody OD: 4.244in / 107.8mmCondition: RemanufacturedDE Length: 92mmDE Shaft OD: 25mmDE Shaft Pulley OD: 22.3mmDE Threads:...$9,999.00 -
Rotor 28-135 303-12017
28-135
$90.43RotorReplace OEM(s): DelcoFor: Delco 21SI Series 50-70A/24V IR/EF AlternatorssUsed On: Delco 21SI AlternatorsAmps: 50/70 AmpsAmps Draw: 2.5 AmpsAmps Low Output: 50 AmpsBody OD: 4.244in / 107.8mmComponents: 34-2170 Shaft 34-1285 Slip RingCondition:...$90.43 -
Rotor 303-12016
COSMOS INTERNATIONAL
$9,999.00RotorReplace OEM(s): DelcoUsed On: Delco 21SI AlternatorsAmps: 115/130 AmpsAmps Draw: 6.8 AmpsAmps Low Output: 130 AmpsBody OD: 4.244in / 107.8mmCondition: RemanufacturedDE Length: 92mmDE Shaft OD: 25mmDE Shaft Pulley OD: 22.3mmDE Threads:...$9,999.00 -
Rotor Rewound 303-12021
COSMOS INTERNATIONAL
$9,999.00Rotor RewoundReplace OEM(s): DelcoUsed On: Delco 21SI AlternatorsAmps: 100/115 AmpsAmps Draw: 6.8 AmpsAmps Low Output: 100 AmpsBody OD: 4.244in / 107.8mmCondition: RemanufacturedDE Length: 92mmDE Shaft OD: 25mmDE Shaft Pulley OD: 22.3mmDE Threads:...$9,999.00 -
Rotor 28-129 303-12021
28-129
$226.66RotorReplace OEM(s): DelcoFor: Delco 21SI Series 90-115A IR/EF AlternatorssUsed On: Delco 21SI AlternatorsAmps: 100/115 AmpsAmps Draw: 6.8 AmpsAmps Low Output: 100 AmpsBody OD: 4.244in / 107.8mmComponents: 34-2170 Shaft 34-1285 Slip RingCondition:...$226.66 -
Rotor 303-12039
COSMOS INTERNATIONAL
$9,999.00RotorReplace OEM(s): DelcoUsed On: Delco 21SI AlternatorsAmps: 70 AmpsAmps Draw: 2.5 AmpsAmps Low Output: 50 AmpsBody OD: 4.236in / 107.6mmCondition: RemanufacturedDE Length: 92mmDE Shaft OD: 25mmDE Shaft Pulley OD: 22.3mmDE Threads: 5/8-18Ground:...$9,999.00 -
Rotor 28-141 303-12039
28-141
$227.69RotorReplace OEM(s): DelcoFor: Delco 21SI Series 50-70A/24V IR/EF AlternatorssUsed On: Delco 21SI AlternatorsAmps: 70 AmpsAmps Draw: 2.5 AmpsAmps Low Output: 50 AmpsBody OD: 4.236in / 107.6mmComponents: 34-2171 Shaft 34-1285 Slip RingCondition: NewDE...$227.69 -
Rotor Rewound 303-12036
COSMOS INTERNATIONAL
$9,999.00Rotor RewoundReplace OEM(s): DelcoFamily: 21SIFor: 90-115A IR/EF AlternatorssUsed On: Delco 21SI AlternatorsAmps: 90/115 AmpsAmps Draw: 8.4 AmpsAmps Low Output: 160 AmpsBody OD: 4.24in / 107.7mmComponents: 34-2171 Shaft 34-1285 Slip RingCondition:...$9,999.00 -
Rotor 28-137 303-12036
28-137
$186.80RotorReplace OEM(s): DelcoFor: Delco 21SI Series 90-115A IR/EF AlternatorssUsed On: Delco 21SI AlternatorsAmps: 90/115 AmpsAmps Draw: 8.4 AmpsAmps Low Output: 160 AmpsBody OD: 4.24in / 107.7mmComponents: 34-2171 Shaft 34-1285 Slip RingCondition: NewDE...$186.80 -
$21.86 -
Rotor Coil 260-12005
COSMOS INTERNATIONAL
$9,999.00Rotor CoilReplace OEM(s): DelcoUsed On: Delco 20SI AlternatorsAmps: 45 AmpsAmps Draw: 3.6 AmpsAmps Low Output: 35 AmpsCoil Length: 66mmCondition: RemanufacturedGround: GroundID: 48mmMtg Holes Counts: 4 HolesOD: 82.4mmVoltage: 24 VoltWeight: 3.2 lbs / 1...$9,999.00 -
Coil, Rotor 28-108 260-12005
28-108
$96.46Coil, RotorReplace OEM(s): DelcoFor: Delco 20SI Series 24V IR/EF AlternatorssUsed On: Delco 20SI AlternatorsAmps: 45 AmpsAmps Draw: 3.6 AmpsAmps Low Output: 35 AmpsCoil Length: 66mmCondition: NewID: 49.9mmMtg Holes Counts: 4 HolesOD: 82.4mmVoltage: 24...$96.46