Basic Info.
Part no. | 7W0007 | Material | steel |
Type | Cylinder Head | Part Type | Engine Parts |
Compatibility | Caterpillar 3406C | Transport Package | Wooden box |
Trademark | DIRON | Origin | Luoyang City |
HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model: 7W0007
- Date First Listed: 2025/09/04
- Manufacturer: Diron Parts
Product Description
- Part Number: 7W0007
- Part Type: Cylinder Head
- Description: Replacement Part Cylinder Head 7W0007 for Caterpillar 3406C, New






The Cylinder Head 7W0007 is a new aftermarket replacement part designed for use in Caterpillar machinery equipped with the 3406C 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: 7W0007 (also referenced as 7W-0007, CA7W0007; cross-referenced with 1105096, 7W0009, 0R3673, 0R3718, 0R4883, 0R4884, 0R4886, 1105095, 1105097, 1105099, 1105100, and others listed below)
- Part Type: Cylinder Head (available as bare or loaded, depending on supplier)
- Material: Constructed from high-quality cast iron with 5% additional nickel content for enhanced durability and resistance to cracking between valves
- Weight: Approximately 310–325 lbs (140.6–147.4 kg), depending on whether bare or loaded with valves and springs
- Dimensions: Approximately 48 x 42 x 24 inches (W x H x L) for bare cylinder head
- Condition: New, aftermarket
- Features:
- Designed with round exhaust ports for improved exhaust flow
- Enlarged coolant passages by 30% and reinforced inner ribs to reduce heat stress
- CNC-machined to meet OEM specifications for precise fitment
- Pressure and vacuum tested for quality assurance
- Loaded versions include guides, seats, tubes, and valve trains
Compatible Equipment Models:
This replacement cylinder head is compatible with various Caterpillar machinery equipped with the 3406C diesel engine, including but not limited to:
- Engines: 3406C
- Specific engine serial numbers: 3ER, 4CK (00001-00854, 00846-up), 8PN
- Excavators: 245, 245B, 245D, 375, 375 L
- Track-Type Tractors: D8N
- Wheel Loaders: 980C, 980F
- Motor Graders: 16G
- Pipelayers: 578
- Articulated Trucks: D40D
- Compactors: 825C, 826C
- Other Equipment: Road Reclaimer (RR-250), Soil Stabilizer (SS-250), Wheel Dozer (814B, 824C), Wheel Scraper (623E, 627E), Wheel Tractor (621E, 623E, 627E)
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.







