Part Name: Cylinder Head 3466388 4975508
Part Number: 3466388 4975508
Basic Info.
Part no. | 3466388 4975508 | Material | steel |
Type | Cylinder Head | Part Type | Engine Parts |
Compatibility | Caterpillar C9.3 | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:3466388 4975508
- Date First Listed:2025/10/21
- Manufacturer:Diron Parts
Product Description
- Part Number: 4975506
- Part Type:Cylinder Head
- Description: Replacement Part Cylinder Head 3466388 4975508 for Caterpillar Diesel C9.3, New





The Cylinder Heads 3466388 and 4975508 are new aftermarket replacement parts designed for use in Caterpillar machinery equipped with the C9.3 diesel engine. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that these products are OEM parts.
Specifications:
- Part Numbers:
- 3466388 (also referenced as 346-6388 or CA3466388)
- 4975508 (also referenced as 497-5508 or CA4975508; cross-referenced with 4975506 in some applications)
- Part Type: Cylinder Head (available as bare or loaded with valvetrain assembly, depending on supplier)
- Material: Constructed from high-quality cast iron for durability, heat resistance, and compatibility with high-performance diesel engines
- Weight: Approximately 200–250 lbs (90.7–113.4 kg) per cylinder head, depending on whether bare or loaded with valves and springs
- Condition: New, aftermarket
- Features:
- Designed specifically for the Caterpillar C9.3 diesel engine, a 6-cylinder, 9.3L engine with electronic fuel injection
- CNC-machined to meet OEM specifications for precise fitment
- Pressure and vacuum tested to ensure quality and performance
- Loaded versions include valves, springs, premium valve stem seals, retainers, and injector sleeves
- Engineered for high-pressure combustion and efficient airflow to support engine performance
Compatible Equipment Models:
The Cylinder Heads 3466388 and 4975508 are compatible with various Caterpillar machinery equipped with the C9.3 and C9.3B diesel engines, including but not limited to:
- Wheel Loaders:
- 924K, 930K, 930M, 938K, 938M, 950K, 950M, 962K, 962M, 966K, 966M, 972K, 972M
- Track-Type Tractors:
- D6K, D6K2, D6N, D6N LGP, D6N XL
- Motor Graders:
- 120M, 120M2, 12M3, 140M, 140M2, 140M3, 160M, 160M2, 160M3
- Engines:
- C9.3, C9.3B
- Serial Numbers: Varies by model; consult Caterpillar SIS for specific engine serial numbers (e.g., C9.3B: 5HZ, 6DZ, 7WZ)
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.







