Basic Info.
Part no. | 1N3576 | Material | Iron |
Type | Cylinder Block | Parts Type | diesel engines parts |
Engine No. | 3304 | Transport Package | Wooden Box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:1N3576
- Date First Listed:2025/09/04
- Manufacturer:Diron Parts
Product Description
- Part Number: Cylinder Block 1N3576
- Part Type: Cylinder Block
- Compatible Equipment: Replacement parts Cylinder Block 1N3576 for 3306 Engine






The Cylinder Block 1N3576 is an aftermarket replacement part designed for use in Caterpillar machinery equipped with the 3306 diesel engine. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that this product is an OEM part. Below is a detailed overview of the part based on available information.
Specifications:
- Part Number: 1N3576 (also referenced as 1N-3576, CA1N3576; cross-referenced with 7N5456, 7N6550, 0R2548 in some applications)
- Part Type: Bare Cylinder Block
- Material: Constructed from high-quality cast iron for durability, heat resistance, and structural integrity under high-pressure conditions
- Weight: Approximately 400–600 lbs (181–272 kg), depending on configuration
- Features:
- Equipped with camshaft bearings, dowel pin locators, and oil gallery plugs
- Designed for water-cooled, inline 6-cylinder arrangement
- Manufactured using CNC machining for precision and quality control
Compatible Equipment Models:
This replacement cylinder block is compatible with various Caterpillar machinery equipped with the 3306 diesel engine, including but not limited to:
- Track-Type Tractors: D4E, D5B, D5E, D6C, D6D, D6E, D6E SR, D6G, D6G2 LGP, D6G2 XL, D7F, D7G, D7G2
- Track Loaders: 955K, 955L, 963, 963B, 977K, 977L
- Wheel Loaders: 966C, 966D, 966E, 966F, 966F II, 970F
- Excavators: 235, 235B, 235C, 235D
- Motor Graders: 12G, 12H, 12H ES, 12H NA, 120G, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 160G, 160H, 160H NA, 163H NA
- Pipelayers: 561C, 571G, 572G
- Wheel Skidders: 518, 528
- Wheel Dozers: 814B
- Compactors: 815, 815B, 816B
- Generator Sets: 3306, 3306B
- Industrial Engines: 3306
- Marine Engines: 3306B
- Engines: 3306, 3306B, 3306C, with specific serial numbers such as 03N, 07Y, 08Z, 10Z, 13Z, 23C, 64Z, 66D, 67D, 6NC, 7KF, 85Z
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.








- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.


- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.







