Basic Info.
| Parts no. | 5308903 and 326-1644 | Material | steel |
| Type | crankshaft torsional vibration damper | Manufacturer | Aftermarket, replacement and not original Komatsu |
| Compatibility | / | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model：5308903 and 326-1644
- Date First Listed：2026/04/06
- Manufacturer：Diron Parts
Product Description
- Part Number：5308903 and 326-1644
- Part Type: crankshaft torsional vibration damper
- Description: crankshaft torsional vibration damper 5308903 and 326-1644 FILTER For 6D107 Excavator
The 530-8903 Crankshaft Torsional Vibration Damper and 326-1644 Filter are essential aftermarket components designed for Caterpillar® engines equipped with the 6D107. The torsional vibration damper reduces harmful crankshaft vibrations caused by combustion forces, while the 326-1644 filter ensures clean oil reaches critical engine components, together helping maintain smooth engine operation and extended service life in excavators and other heavy equipment.
Key Features & Benefits
- Precision-balanced design for effective vibration absorption
- Reliable sealing and filtration performance
- Direct bolt-on mounting for the damper and standard filter housing fit
- Excellent resistance to heat, pressure, and continuous operation
- 100 % inspected and tested for balance, flow, and sealing integrity
Common Applications (Caterpillar® Compatibility)
- Engine: 6D107 (commonly found in Komatsu and Caterpillar 6D107-powered machines)
- Excavators: – PC200-8, PC220-8, PC240-8 series (and equivalent Caterpillar models using 6D107)
- Other equipment: Wheel loaders, forklifts, and industrial applications with 6D107 engines
Technical Specifications
- Crankshaft Torsional Vibration Damper: 530-8903
- Oil Filter: 326-1644
- Damper Type: Rubber-bonded torsional vibration damper
- Filter Type: Full-flow spin-on oil filter
- Weight (Damper): ≈ 12–15 kg (26–33 lb)
- Weight (Filter): ≈ 1.2 kg (2.6 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the machinery listed above. The brand name is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- Note: 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.
