Availability
Powermaster HPR Large Frame Series Alternators
8 Customer Reviews
Features include:
* Simple and effective one-wire or OE style connections available
* 195 amps at idle, 215 amps while cruising, and 250 amps at top end
* Voltage compatibility: 12 V and optional 1
Features include:
* Simple and effective one-wire or OE style connections available
* 195 amps at idle, 215 amps while cruising, and 250 amps at top end
* Voltage compatibility: 12 V and optional 14 V and 16 V
* Efficient internal components produce more output, while consuming less engine power
* Direct bolt-in to OEM and most aftermarket brackets
* Supplied with a factory spec decoupler, solid, clutch or underdrive pulley
* Stock diameter pulley accepts the factory belt
* Available in cast, black and polished finish
* Proof of performance with included dyno tag
Note: One wire alternators will bypass the factory ECU.
Showing In Stock Items. Show All 30 Items.
Alternator, High-Amp, 250 amp, 12 V, Serpentine, Natural Finish, Denso Case, Internal Regulator, Cadillac, Chevy, GMC, Each
Part Number: PWM-48550
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Internal Regulator, 245 Amp, 6-Groove, Natural, Serpentine, Chevrolet, 6.2L, Each
Part Number: PWM-417943
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Alternator, Internal Regulator, 245 Amp, 6-Groove, Natural, Serpentine, One-Wire, Chevrolet, 6.2L, Each
Part Number: PWM-417943-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, HPR Large Frame, 250 Amp, Polished, Internal Regulator, Serpentine Pulley, Chevy, Cadillac, GMC, Each
Part Number: PWM-64007
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Alternator, 250 Amp, With Decoupler Pulley, Serpentine, 2-Pin, OE RVC, Chevy, Each
Part Number: PWM-61794
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster