Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR
Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

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Brand: Powermaster

Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

The Powermaster 585503-1 Alternator delivers 245 amps of power.

$506.18 USD

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Delivery by Sep 1

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Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR
Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR
Product Overview

Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

The Powermaster 585503-1 Alternator is a high-output charging solution built on the GM Denso platform, delivering a commanding 245 amps of power.

It features a bold black finish and a 3" diameter 6-groove underdrive pulley designed to reduce alternator RPM and enhance high-RPM efficiency.

With HPR (High Performance Rectifier) technology for superior voltage stability and heat dissipation, and a 1-wire hookup for simplified installation, this alternator is ideal for performance upgrades, custom builds, and race applications.

Key Features

245 Amp Output: Handles extreme electrical loads including dual fans, high-output fuel systems, lighting, and audio
GM Denso Platform: Compatible with a wide range of GM vehicles using Denso-style alternators
3" 6-Groove Underdrive Pulley: Reduces alternator RPM for improved efficiency and protection at high engine speeds
HPR Technology: High Performance Rectifier enhances durability and voltage consistency under heavy load
1-Wire Hookup: Streamlined installation with a clean, single-wire charging setup

Specifications

Technical Specifications
Length
9.0 lb
Width
7.5 lb
Height
7.5 lb
Weight
15.75 lb
Product & Shipping Details
ASIN
B0D2PWP5RY
UPC
692209027591
Ships From
United States
Brand
Powermaster
FAQ

Frequently Asked Questions

About Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

01 What is the output of the Powermaster 585503-1 Alternator?

The Powermaster 585503-1 Alternator delivers 245 amps of power.

02 What type of pulley does the Powermaster 585503-1 Alternator have?

It features a 3" diameter 6-groove underdrive pulley.

03 What technology does the Powermaster 585503-1 Alternator use?

It uses HPR (High Performance Rectifier) technology.

04 What is the ASIN for this product?

The ASIN for this product is B0D2PWP5RY.

05 What is the UPC / barcode for this product?

The UPC/barcode for this product is 692209027591.

06 Where does this ship from?

Orders ship from our fulfillment center in Dover, Delaware, USA.

07 How many days will it take to arrive?

Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Sep 1.

08 Does this product accept returns?

Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.

Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

Special Offer

Alt Powermaster GM Denso Black 245A 3" 6 grv Under Drive Pulley 1-Wire HPR

Get 5% off this item today — code TRY5 at checkout.

$506.18

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