Hitachi
Hitachi 321378 Switch Power Supply Replacement
★★★★★
Ensure Reliable Power with the Hitachi 321378 Switch Power Supply The Hitachi 321378 Switch Power Supply is a genuine replacement part designed to maintain the performance and reliability of your Hitachi power tools. Trust Hitachi Power Tools for an extensive line of professional-grade power too...
$73.37*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Ensure Reliable Power with the Hitachi 321378 Switch Power Supply
The Hitachi 321378 Switch Power Supply is a genuine replacement part designed to maintain the performance and reliability of your Hitachi power tools. Trust Hitachi Power Tools for an extensive line of professional-grade power tools and accessories.
Key Features
Hitachi Power Tools has renamed to Metabo HPT. Same great tools, with only a new name.
Genuine Hitachi power tool replacement part
For use on Hitachi power tool products
Specifications
Part Number
321378
Product Type
Switch Power Supply Replacement
Brand Transition
Hitachi Power Tools renamed to Metabo HPT
Compatibility
Hitachi power tool products
Pros & Cons
👍 Pros
- Genuine Hitachi power tool replacement part, ensuring authentic quality and precise fit.
- Designed specifically for use on Hitachi power tool products, guaranteeing compatibility and proper function.
- Essential component for restoring the power supply functionality of compatible tools.
- The brand has transitioned to Metabo HPT, reassuring users of continued quality under the new name.
- Direct replacement part, simplifying the repair process for experienced users or technicians.
👎 Cons
- Requires technical knowledge and expertise for installation, as it is a power supply replacement part.
- Specific compatibility is limited to "Hitachi power tool products," without a list of exact models, requiring users to verify.
- The transition to Metabo HPT, while noted, might still cause confusion for users specifically seeking "Hitachi" branded parts.
- No details on warranty or expected lifespan of the replacement part are provided.
- Does not include any installation instructions or tools, assuming the user has the necessary resources.
Frequently Asked Questions
What is the Hitachi 321378 Switch Power Supply designed for?
This part is a genuine Hitachi power tool replacement part specifically designed for use on Hitachi power tool products.
Is Hitachi Power Tools still the brand name?
Hitachi Power Tools has been renamed to Metabo HPT, but they are the same great tools and parts, just with a new name.
Is this a universal power supply for all Hitachi tools?
The description indicates it's for "Hitachi power tool products," suggesting specific compatibility. Users should verify if it's the correct part for their particular Hitachi tool model.
Does this part come with installation instructions?
The provided features do not mention the inclusion of installation instructions. It is typically expected that replacement parts of this nature would be installed by individuals with appropriate technical knowledge.
What does "Genuine Hitachi power tool replacement part" mean for me?
This means you are receiving an authentic part manufactured to Hitachi's standards, ensuring proper fit, function, and reliability for your compatible power tool.
Will this replacement part resolve all power issues with my Hitachi tool?
This switch power supply is designed to replace a faulty power supply component. While it addresses that specific issue, other underlying problems with the tool might require separate diagnosis and repair.
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