Product Overview

This is a genuine Caterpillar retaining nut, part number 085-9275 (also listed as 0859275), designed for the fuel injection system of the 3306 diesel engine. As a trusted global supplier of heavy-duty engine components, we provide reliable parts for the international construction and mining sectors, with direct shipping to major markets including North America, Europe, the Middle East, and Asia-Pacific.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to Caterpillar’s original specifications for a perfect fit and reliable performance.
• Long-Lasting Durability: Engineered from high-grade materials to withstand the high-pressure environment of the fuel injection system, ensuring longevity and reducing downtime.
• Critical Component Security: Secures the fuel injector in place, maintaining proper alignment and preventing leaks that can lead to engine performance issues.
• Direct Replacement: Ensures optimal engine efficiency and fuel economy by maintaining the integrity of the injection system.

Technical Specifications

OEM Cross-Reference

This genuine Caterpillar part is supplied under its primary identification numbers. Cross-reference directly with:

• Caterpillar: 085-9275, 0859275

Compatibility

This retaining nut is specifically designed for the Caterpillar 3306 diesel engine. This engine is widely used in various heavy machinery applications, including:

• Caterpillar Excavators
• Caterpillar Wheel Loaders
• Caterpillar Trucks and other industrial equipment powered by the 3306 engine platform.

Global Supply & Distribution

We specialize in the international distribution of critical engine components. Our streamlined logistics ensure efficient delivery to your location.

• Worldwide Shipping: We export to all major industrial regions, including North America (USA, Canada), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore).
• Fast Delivery Network: Expedited shipping options are available to major ports and logistics hubs to minimize equipment downtime.
• Export Expertise: All documentation is handled professionally for smooth customs clearance in compliance with international trade regulations.

Quality Assurance

We supply only genuine OEM parts to guarantee performance and reliability.

• Manufacturing Standard: Original Caterpillar component, produced under strict quality control.
• Warranty: Backed by a 6-month warranty from the date of purchase.
• After-Warranty Support: Continued support is available, including video technical assistance for installation guidance.
• Condition: 100% genuine, ensuring exact fitment and function.

FAQ

Q1: Is this nut compatible with all 3306 engine variants?
A1: Yes, the part number 085-9275 is the standard retaining nut for the fuel injector across the Caterpillar 3306 engine family. It is crucial to verify your engine’s specific fuel injector model for confirmation, but this is the common OEM nut for this application.

Q2: What is the proper torque specification for installation?
A2: For precise torque values, always refer to the official Caterpillar 3306 engine service manual. Incorrect torque can damage the injector or the cylinder head. We recommend consulting a certified technician or utilizing the video technical support available for proper installation procedures.

Q3: Do you offer bulk pricing for fleet maintenance operations?
A3: While the Minimum Order Quantity (MOQ) is one piece, we provide competitive tiered pricing for larger quantity orders. Please contact our sales team directly with your volume requirements for a customized quote, especially for shipments to major fleet centers in North America or Europe.

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 .