Product Overview

This professional-grade Air Dryer Piston Kit is engineered for Isuzu diesel engines, ensuring reliable air system performance and component longevity. We supply this critical spare part to a global network of distributors, workshops, and fleet operators, with major markets including North America, Europe, the Asia-Pacific region, and the Middle East.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and optimal performance within the air dryer assembly.
• Enhanced Durability: Constructed from high-grade materials to withstand the high-pressure cycling and thermal stresses of diesel engine air systems.
• Reliable Moisture Control: Ensures consistent operation of the air dryer, protecting downstream valves, brake chambers, and other air system components from moisture-related corrosion and failure.
• Reduced Downtime: A direct replacement part that facilitates quick maintenance and repair, helping to keep commercial vehicles and industrial equipment operational.
• Cost-Effective Maintenance: Provides OEM-comparable quality and performance, offering a reliable solution for preventive maintenance and repair cycles.

Technical Specifications

OEM Cross-Reference

This piston kit is a direct replacement for the following OEM part numbers. It is also compatible with common alternative numbering formats used in parts databases.

• 1-85576084-0 (Primary OEM Number)
• 1-85576109-0 (Alternative/OEM Number)
• 1855760840 (Common Database Format)
• 1855761090 (Common Database Format)

Compatibility

This air dryer piston kit is designed for use in the air brake system dryers fitted on a wide range of Isuzu diesel engines. It is commonly required for maintenance on medium and heavy-duty Isuzu trucks and buses. For precise application, always verify the part number against your original component or consult your engine manual.

Global Supply & Distribution

We are a trusted supplier for the global automotive aftermarket. Our logistics network ensures efficient worldwide shipping to major industrial hubs and ports across North America (USA, Canada, Mexico), Europe (UK, Germany, Benelux), Asia (Japan, Korea, Singapore, Australia), and the Middle East (UAE, Saudi Arabia). We handle all aspects of international trade compliance, documentation, and export procedures to ensure smooth delivery to your location, whether by air or sea freight.

Quality Assurance

Every piston kit is manufactured under strict quality control protocols to meet or exceed industry standards for dimensional accuracy and material integrity. Components undergo rigorous inspection and testing to ensure reliable performance. We stand behind our products with a comprehensive warranty, supporting our commitment to providing durable and trustworthy engine parts for the commercial vehicle industry.

FAQ

Q1: How do I confirm this piston kit is the correct part for my Isuzu engine’s air dryer?
A1: The most reliable method is to cross-reference the part number stamped on your original air dryer piston or assembly. Match it with the OEM numbers listed in the OEM Cross-Reference section above (1-85576084-0, 1-85576109-0, etc.). You can also consult your vehicle’s service manual or contact us with your engine model for verification.

Q2: What is the function of this piston in the air dryer system?
A2: This piston is a critical actuator within the air dryer’s purge valve mechanism. It controls the periodic release of compressed air to expel accumulated moisture and contaminants from the dryer’s desiccant cartridge, ensuring clean, dry air is supplied to the vehicle’s brake system and other air-operated components.

Q3: Is this a standalone part or does it come as a kit?
A3> This product is supplied as a Piston Kit. It typically includes the piston and associated seals or rings necessary for a complete repair of the piston chamber within the air dryer assembly, ensuring proper sealing and function after installation.

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 .