Where Can I Buy Hitachi Excavator Parts?

This guide covers Hitachi construction equipment parts. Mini-excavators, full-size excavators, wheel loaders. If you landed here looking for Hitachi power tools, appliances, or consumer electronics, this is the wrong resource. Hitachi Construction Machinery (HCM) is a distinct business from Hitachi's other divisions, and the parts supply chain is completely separate. Everything below applies to excavators and wheel loaders only.

Key Points

• Scope: Hitachi Construction Machinery excavators and wheel loaders only
• Common machines: ZX series excavators (ZX35, ZX50, ZX85, ZX135, ZX200, ZX350, ZX470), legacy EX series, ZW wheel loaders
• Aftermarket covers: filters, undercarriage, bucket teeth, cutting edges, glass, seals, hose, electrical
• Stay OEM for: hydraulic pump rebuilds, ECU modules, emissions components, active warranty work
• Serial number: right-side frame or inside cab. Needed for accurate parts lookup

Is Hitachi the Same as Hitachi Power Tools?

No. Hitachi operates across more than a dozen industrial divisions globally. Hitachi Construction Machinery builds excavators, wheel loaders, and dump trucks. Hitachi Power Tools (rebranded to Metabo HPT in North America in 2018) builds drills, saws, and nailers. Hitachi Appliances covers refrigerators and air conditioners. Each division has its own parts supply chain and dealer network.

If your search started with "hitachi parts" and you have a skid steer, excavator, or wheel loader on your worksite, you want Hitachi Construction Machinery parts. The rest of this article is for you. If you have a hammer drill, you need a different resource.

Which Hitachi Construction Machines Need Parts Most Often?

The ZX series excavators dominate parts volume. ZX35 and ZX50 mini-excavators are common on residential and landscaping sites. ZX135 and ZX200 are the mid-size standard for utility and general construction. ZX350 and larger are production-class machines for commercial excavation.

Based on our catalog data, the most-ordered Hitachi parts categories across all ZX models are hydraulic filters, bucket teeth and cutting edges, undercarriage components (rollers, idlers, sprockets, track chains), and cab glass. Each of these is well supported by aftermarket suppliers.

How Do I Identify My Hitachi Excavator Model and Serial Number?

Model identification is straightforward: the ZX designation is usually on a decal on the boom or cab. The serial number plate is the critical reference. On most Hitachi excavators, the serial plate is located on the right-hand side of the house frame near the boom pivot, or inside the cab on the left or right pillar.

The serial number format is typically a 6 to 7-digit number preceded by a short alphanumeric prefix (for example, HCM1FZ02). The prefix encodes the factory and model series. The numeric portion is the sequential production number. Hitachi publishes serial breakpoints in service documentation to identify when component revisions occurred.

Can I Buy Hitachi Parts Online or Only Through a Dealer?

Online aftermarket covers the majority of Hitachi construction equipment parts needs. Filters, undercarriage, wear parts, glass, hose, electrical components, and hydraulic seals are all widely available. The dealer retains a role for ECU programming, emissions-system components, and active-warranty work, but that is a minority of typical maintenance orders.

According to Hitachi Construction Machinery's service documentation, preventive maintenance parts follow standard intervals similar to other major excavator brands: filters every 250 to 500 hours, hydraulic oil every 2,000 hours, undercarriage inspection every 500 hours.

Which Hitachi Parts Are Safe to Buy Aftermarket?

Most of what wears on a Hitachi excavator or wheel loader falls in the aftermarket-safe category:

• Filters: engine oil, fuel, hydraulic, return, air
• Undercarriage: track shoes, chains, rollers, idlers, sprockets
• Bucket wear: teeth, cutting edges, side cutters, pin-and-lock hardware
• Glass: windshield, side, rear, skylights on newer ZX models
• Hydraulic: hoses, cylinder seal kits, O-rings
• Belts: serpentine, alternator, AC compressor
• Electrical: alternators, starters, wiring harnesses

Browse current Hitachi stock at Hitachi parts.

Which Hitachi Parts Should Stay OEM?

Four narrow categories warrant OEM sourcing:

• Hydraulic pump and motor rebuilds where precision matching is critical
• ECU modules and proprietary sensors that require factory programming
• Emissions system components on Tier 4 final engines (DPF, DEF, NOx sensors)
• Active warranty repairs where Hitachi specifies OEM for coverage

Outside those categories, aftermarket is the practical choice.

What's the Difference Between Hitachi ZX and EX Series?

The EX series is the legacy line, produced broadly from the 1990s through mid-2000s. The ZX series replaced it starting in the early 2000s and has been the primary production line since. The two share some component lineage but use different hydraulic system layouts, cab platforms, and electronic controls.

Parts are not directly interchangeable between EX and ZX. An EX120 filter is not a ZX135 filter. Confirm the series and serial range before ordering. Legacy EX parts remain available through aftermarket channels, though supply on rarer items can be thinner.

Are Hitachi Wheel Loader Parts Interchangeable with Excavator Parts?

Minimally. Hitachi ZW wheel loaders share some filter and electrical components with contemporaneous ZX excavators when engine platforms are common, but the hydraulic systems, undercarriages (ZW has tires, not tracks), and cab designs are distinct. Order wheel loader parts by the ZW model and serial number specifically.

How Do I Cross-Reference a Hitachi Part Number?

Reputable aftermarket suppliers publish the Hitachi OEM cross-reference directly on the product listing. Search by the Hitachi part number or by model and serial. If the aftermarket supplier will not tell you which OEM number their part replaces, that is a warning sign.

For hard-to-match parts, email sales@partsonline.com with your machine's model, serial number, and the Hitachi OEM part number if you have it. Our parts specialists can usually match the correct aftermarket cross-reference and confirm availability.

What's the Fastest Way to Get a Hitachi Part When Your Machine Is Down?

Priority one when downtime is measured in dollars per hour is same-day shipping from a North American warehouse. Offshore drop-shipping adds weeks of lead time that defeats the purpose. Look for aftermarket suppliers who publish warehouse locations, same-day cutoff times, and next-business-day shipping options.

For high-value or rare parts (major hydraulic components, ECU-adjacent items), call before ordering to confirm stock. A 5-minute phone check prevents a 2-week surprise backorder. Consult a certified mechanic for complex diagnostic work before ordering replacement hydraulic or electrical components.

Frequently Asked Questions

Does Hitachi make OEM parts?

Yes. Hitachi Construction Machinery produces genuine OEM parts for its excavators, wheel loaders, and dump trucks, distributed through the Hitachi dealer network. Aftermarket suppliers offer parallel parts that meet or exceed the OEM specifications at lower cost.

Is Hitachi a Japanese or Chinese company?

Hitachi is a Japanese company, headquartered in Tokyo. Hitachi Construction Machinery is one of the major Japanese-origin excavator brands alongside Komatsu, Kobelco, and Kubota.

What is Hitachi called now?

Hitachi still operates under the Hitachi name globally. In North America, Hitachi's power tool division rebranded to Metabo HPT in 2018, but Hitachi Construction Machinery still uses the Hitachi name for excavators, wheel loaders, and dump trucks.

What does Hitachi make in the USA?

Hitachi Construction Machinery operates manufacturing and distribution in North America for excavators and related equipment. Parts distribution for North American customers is supported through both Hitachi dealerships and aftermarket suppliers.

Where can I find Hitachi parts online?

Aftermarket suppliers stock the majority of Hitachi Construction Machinery wear and maintenance parts. Browse the Hitachi parts collection at partsonline.com for current availability.

Is there a Hitachi parts catalog available?

Hitachi publishes OEM parts catalogs through its dealer portal. Aftermarket suppliers publish cross-referenced catalogs searchable by OEM part number. The aftermarket route is faster for most typical parts orders.

Where is the serial number on a Hitachi excavator?

Typically on a plate on the right-hand side of the house frame near the boom pivot, or inside the cab on a pillar. Look for a 6 to 7-digit number with a short alphanumeric prefix.

Shop Hitachi parts, or browse by equipment type at excavator parts. For fitment verification on your Hitachi ZX or legacy EX, email sales@partsonline.com with your serial number.