Basic Info.
Part no. | 1P4303 | Material | steel |
Type | Cylinder Head | Part Type | Engine Parts |
Compatibility | Caterpillar 3306 | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:1P4303
- Date First Listed:2025/03/28
- Manufacturer:Diron Parts
Product Description
- Part Number: 1P4303
- Part Type:Cylinder Head
- Description: for Caterpillar CAT Diesel 3306

Product Introduction: Cylinder Head 1P4303 for Caterpillar 3306
Overview
The Cylinder Head 1P4303 is a high-quality replacement component engineered specifically for the Caterpillar 3306 diesel engine, a renowned inline 6-cylinder engine widely used in industrial, construction, and heavy-duty trucking applications. This cylinder head is designed to restore or enhance engine performance, offering durability and reliability under demanding conditions. Available as a new aftermarket or remanufactured part, it provides a cost-effective solution for engine repairs and rebuilds.
Key Features
- Material: Constructed from robust cast iron or aluminum alloy, ensuring excellent heat dissipation and structural integrity.
- Design: Features a multi-valve configuration (typically 2-valve per cylinder for early models, with some later DI variants offering 4-valve options) with precision-machined ports and valve seats, optimized for the 3306’s combustion efficiency.
- Compatibility: Directly compatible with the Caterpillar 3306 engine series (including 3306, 3306B, and 3306 DI variants), with cross-referenced part numbers such as 1P4303, 7S7069, 9S7515, 0R0830, and others.
- Quality Assurance: Manufactured or remanufactured to meet or exceed OEM standards, often including pressure testing and surface finishing for a dependable seal and performance.
Benefits
- Enhanced Performance: Improves airflow and combustion efficiency, delivering consistent power output and torque for the 3306 engine’s diverse applications.
- Durability: Built to withstand high thermal and mechanical stresses, making it suitable for heavy-duty tasks in wheel loaders, tractors, and generators.
- Cost-Effective: Offers a reliable alternative to OEM parts, reducing maintenance costs and downtime.
- Ease of Installation: Designed as a direct-fit replacement, simplifying the installation process for mechanics and equipment operators.
Applications
The Cylinder Head 1P4303 is tailored for the Caterpillar 3306 diesel engine, commonly found in equipment such as the CAT 966C and 980B wheel loaders, 977K track loaders, D6C and D7F tractors, and various industrial power units. Its versatile design supports a range of applications, from construction and mining to power generation, ensuring dependable operation across rugged environments.
Technical Specifications
Warranty: Typically backed by a 6-month to 1-year warranty, depending on the vendor.
Engine Compatibility: Caterpillar 3306 (6-cylinder diesel, naturally aspirated or turbocharged, including DI variants).
Part Number Variants: Includes 1P4303, 7S7069, 9S7515, 0R0830, and others (depending on supplier).
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.







