28V 70A 8PK Alternator 0-35000-4558 for Isuzu 4HK1 Engine

28V 70A 8PK Alternator 0-35000-4558 for Isuzu 4HK1 Engine

Product Overview：

Our Premium Heavy-Duty 28V 70A 8PK Alternator (also widely categorized as a 24V system generator) is engineered to supply consistent, reliable electrical power for demanding heavy machinery.

Designed with high-temp resistant copper windings and dual-lipped rubber seals, this 8-groove pulley alternator is a direct plug-and-play replacement for Isuzu 4HK1 diesel engines running on Hitachi Zaxis ZAX240 and ZAX230 series excavators. It ensures stable voltage regulation under high thermal and vibrating industrial environments.

Inquire Now Next Product

Technical Specifications

Property / Feature	Specifications
System Voltage	24V System (Nominal) / 28V Output
Amperage Output	70 Amps (70A)
Pulley Configuration	8 Grooves (8PK)
Engine Compatibility	Isuzu 4HK1 / 4HK1-T (5.2L Diesel)
Rotation	Clockwise (CW)
Product Type	Heavy-Duty Industrial Brushless/Internal Regulated Alternator

Cross-Reference OEM Numbers

Isuzu Part Numbers:
8-98092116-1, 8980921161, 8-97375017-1, 8973750171, 8980750260
Sawafuji / Nikko Style References:
0-35000-4558, 0350004558, 0-35000-4598, 0-35000-4848
Other Aftermarket Identifiers:
SLOTS79-41, SLOTS7941

FAQ - Frequently Asked Questions

A1: This is completely normal and correct. A 24V electrical system relies on two 12V batteries connected in series. To properly charge these batteries and overcome system resistance while running, the alternator must generate a higher charging output voltage, typically set at a regulated 28 Volts.

Q2: How do I know if this 8PK alternator is the right fit for my Hitachi ZAX240 excavator?

A2: Check your existing alternator's pulley and OEM stamp. If your engine is an Isuzu 4HK1, the pulley has exactly 8 grooves (8PK), and your part cross-references with 8-98092116-1 or 0-35000-4558, this unit will be a 100% precise fit.

Q3: Do you support factory-direct wholesale, container logistics, and custom OEM branding?

A3: Yes! We specialize in heavy-duty starting and charging systems for construction machinery. We provide factory-direct tier pricing for B2B distributors, support custom private labeling (OEM packaging), and ensure secure sea/air palletized freight globally. Contact us now for a volume quotation.