Product Overview

This is a genuine MAHLE inlet and exhaust valve set, engineered for superior performance in demanding heavy-duty and construction equipment engines. Manufactured to exacting OEM standards in Shanghai, this precision component is essential for maintaining optimal engine compression, power, and fuel efficiency. We specialize in global B2B supply, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific with reliable logistics and expert export support.

Key Features & Benefits

• Genuine MAHLE Quality: Manufactured with proprietary materials and processes to ensure perfect fit, durability, and performance matching the original part.
• Enhanced Heat & Wear Resistance: Engineered to withstand extreme temperatures and mechanical stress in the combustion chamber, extending service life.
• Precision Machining: Guarantees exact sealing and smooth operation, contributing to consistent engine power output and reduced emissions.
• Optimized Airflow: Designed to maximize volumetric efficiency for improved combustion and fuel economy in heavy-duty applications.
• Direct OEM Replacement: A direct-fit solution that eliminates downtime, ensuring your equipment returns to peak operational capacity quickly.

Technical Specifications

OEM Cross-Reference

This MAHLE valve set corresponds to the following OEM part numbers, ensuring full compatibility:

• MAHLE: 1-12551139-0 (Inlet), 1-12552083-0 (Exhaust)
• These are the genuine factory numbers for the specified Hitachi construction machinery engine models.

Compatibility

This valve set is designed for specific Hitachi excavator and heavy equipment engine models. Primary applications include:

• Engine Models: ISUZU 6BD1T, 6BG1T
• Equipment Models: Hitachi ZAX200, ZAX210, EX200-5
• Typical Application: These engines are commonly found in Hitachi 20-ton class excavators from the late 1990s to 2000s. Always verify your engine serial number for final confirmation.

Global Supply & Distribution

We are a trusted partner for engine parts distributors and heavy equipment repair shops worldwide. Our streamlined supply chain ensures efficient delivery to key industrial hubs.

• Worldwide Shipping: We export via air and sea freight to all major markets, including the USA, Germany, UAE, Australia, and Japan.
• Fast Port Delivery: Priority shipping to major ports like Los Angeles, Rotterdam, Dubai, Singapore, and Sydney.
• Export Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international trade regulations for a smooth customs clearance process.
• Bulk & Wholesale Support: Dedicated service for large quantity orders and repeat business partnerships.

Quality Assurance

Every part is sourced to guarantee performance and reliability for your business.

• OEM Standard Manufacturing: Produced on the same tooling and to the same specifications as the original MAHLE component.
• Rigorous Testing: Valves undergo dimensional checks, material hardness testing, and visual inspections to ensure defect-free delivery.
• Warranty: Backed by a standard warranty against manufacturing defects. Contact us for specific warranty terms applicable to your region.

FAQ

Q1: Are both the inlet and exhaust valves included in this set?
A1: Yes, this listing is for a complete set containing both the inlet (intake) valve (P/N 1-12551139-0) and the exhaust valve (P/N 1-12552083-0) required for a full cylinder head overhaul.

Q2: Is this part compatible with the newer Hitachi ZX200 model?
A2: This specific part number set is engineered for the older 6BD1T/6BG1T engine series found in ZAX200 and EX200-5 models. The newer ZX200 models often use different engines (e.g., Isuzu 4HK1). Always verify your engine model and serial number before purchase.

Q3: What is the recommended maintenance practice when replacing these valves?
A3: For optimal performance and longevity, we strongly recommend replacing valve stem seals concurrently and having the valve seats professionally re-cut or lapped by a qualified technician to ensure a perfect seal. Always use the manufacturer’s specified torque settings during assembly.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .