Part Name: 4k6781 Sleeve Spacer
Part Number: 4k6781
Basic Info.
| parts no. | 4k6781 | Material | Steel |
| Type | Sleeve Spacer | Parts Type | Wear Parts |
| Compatibility | Heavy Equipment | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed:2026/10/26
- Manufacturer:Diron Parts
Product Description
- Part Type:Outer Diameter Articulated Hitch Sleeve Spacer
- Description: 4k6781 Outer Diameter Articulated Hitch Sleeve Spacer Suitable for Heavy Equipment, New


The 4K6781 Outer Diameter Articulated Hitch Sleeve Spacer is a high-quality aftermarket replacement component designed for heavy equipment articulated hitch and mechanical connection assemblies. It serves as a spacing and positioning component within compatible hitch assemblies, helping maintain proper component separation, alignment, and operating clearance.
Designed for demanding construction, mining, earthmoving, and industrial applications, the 4K6781 Sleeve Spacerprovides a practical replacement solution for worn, damaged, or missing spacing components during routine maintenance, articulated hitch repair, and equipment rebuilding.
Key Features & Benefits
- Designed for heavy equipment articulated hitch assemblies
- Precision manufactured for compatible fit and installation
- Controlled outer diameter supports proper positioning within mating components
- Helps maintain correct spacing between hitch assembly components
- Supports stable component alignment and mechanical positioning
- Works with compatible pins, bushings, sleeves, and mounting components
- Helps maintain proper assembly clearance
- Suitable for demanding heavy-duty operating environments
Common Applications
- Heavy equipment articulated hitch assemblies
- Articulation and steering connection systems
- Hitch pin and bushing assemblies
- Construction and earthmoving machinery
- Articulated loaders and related equipment
- Mining and quarry machinery
Typical Function:
The articulated hitch sleeve spacer is positioned within a compatible hitch assembly to maintain the required separation and alignment between mating mechanical components. Its outer diameter interfaces with the corresponding mounting location, helping support correct positioning and assembly clearance.
Depending on the equipment configuration, the spacer may work together with hitch pins, bushings, sleeves, or other connecting components to maintain proper mechanical alignment during articulation.
Technical Specifications
- Part Number Reference: 4K6781
- Product Type: Articulated Hitch Sleeve Spacer
- Application: Heavy equipment mechanical assemblies
- System: Articulated hitch / mechanical connection assembly
- Function: Component spacing / positioning / alignment
- Installation Position: Articulated hitch assembly
- Outer Diameter: Application-specific
- Inner Diameter: Application-specific
- Length / Thickness: Application-specific
- Material: Confirm with supplier
- Condition: New aftermarket replacement
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.
- 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.







