Basic Info.
Part no. | 1N4304 | Material | steel |
Type | Cylinder Head | Part Type | Engine Parts |
Compatibility | Caterpillar 3304DI | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:1N4304
- Date First Listed:2025/03/28
- Manufacturer:Diron Parts
Product Description
- Part Number: 1N4304
- Part Type:Cylinder Head
- Description: for Caterpillar CAT Diesel 3304DI

Product Introduction: Cylinder Head 1N4304 for Caterpillar Diesel 3304DI
Overview
The Cylinder Head 1N4304 is a precision-engineered replacement component designed specifically for the Caterpillar 3304DI (Direct Injection) diesel engine, a robust inline 4-cylinder engine widely used in industrial, construction, and power generation applications. This cylinder head is crafted to restore or enhance engine performance, delivering durability and efficiency under demanding conditions. Available as a new aftermarket or remanufactured part, it offers a high-quality, cost-effective solution for engine repairs and rebuilds.
Key Features
- Material: Constructed from high-grade cast iron or aluminum alloy, providing excellent heat dissipation and structural integrity.
- Design: Features a multi-valve configuration (typically 2-valve per cylinder) with precision-machined ports and valve seats, optimized for the direct injection system of the 3304DI engine.
- Compatibility: Directly compatible with the Caterpillar 3304DI diesel engine, with cross-referenced part numbers including 1N4304, 1N-4304, 7N8875, 7S7070, and others.
- Quality Assurance: Manufactured or remanufactured to meet or exceed OEM standards, often including pressure testing and surface finishing for a reliable seal and performance.
Benefits
- Enhanced Performance: Improves airflow and combustion efficiency, delivering consistent power output and torque for the 3304DI’s direct injection system.
- Durability: Engineered to withstand high thermal and mechanical stresses, making it ideal for heavy-duty applications such as loaders, tractors, and industrial generators.
- Cost-Effective: Provides a dependable alternative to OEM parts, reducing maintenance costs and downtime.
- Ease of Installation: Designed as a direct-fit replacement, simplifying the installation process for service professionals and equipment operators.
Applications
The Cylinder Head 1N4304 is tailored for the Caterpillar 3304DI diesel engine, commonly found in equipment like the CAT 950 wheel loader, D4E tractors, and various industrial power units. Its rugged design supports demanding tasks in construction, agriculture, and power generation, ensuring reliable operation in challenging environments.
Technical Specifications
Warranty: Typically backed by a 6-month to 1-year warranty, depending on the vendor.
Engine Compatibility: Caterpillar 3304DI (4-cylinder diesel, direct injection).
Part Number Variants: Includes 1N4304, 7N8875, 7S7070, 0R0831, and others (depending on supplier and casting).
Condition: Available as new aftermarket or remanufactured; may be shipped bare or loaded with valves and springs (varies by supplier).
NOTE: While this description provides general information about cylinder heads, 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.







