Part Name: Retentor duo cone 4M0735
Part Number: 4M0735
Basic Info.
| Parts no. | 4M0735 | Material | steel |
| Type | Retentor duo cone | Parts Type | Engine Parts |
| Compatibility | Caterpillar | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed:2026/01/12
- Manufacturer:Diron Parts
Product Description
- Part Number: 4M0735
- Part Type:Retentor duo cone 4M0735
- Description: Caterpillar


The 4M-0735 is a precision-engineered aftermarket duo-cone retainer seal (also known as seal retainer or face seal retainer) designed for final drive and roller assemblies on Caterpillar® track-type tractors and track loaders. This component works in conjunction with the floating duo-cone seal group to maintain a positive oil seal, prevent contaminant ingress, and protect bearings in the most abrasive and high-load undercarriage environments.
Key Features & Benefits
- Precision-machined contact surfaces for perfect alignment with mating duo-cone seal rings
- Tight tolerances on O.D., I.D., and face flatness to ensure leak-free performance
- Reinforced design in high-stress areas to resist deformation under extreme track loads
- 100 % inspected for dimensional accuracy, surface finish, and run-out
- Proven reliability in severe-duty track applications with mud, sand, and rock debris
Common Applications (Caterpillar® Compatibility)
- Track-Type Tractors: – D6C, D6D, D7F, D7G – D8H, D8K
- Track Loaders: 955, 977, 983
- Position: Final drive sprocket hub, carrier roller, or idler group (used as part of duo-cone seal assembly)
- Quantity per machine: Multiple (typically 2–8 depending on model and position)
Technical Specifications
- Part Number Reference: 4M-0735
- Type: Duo-cone seal retainer (outer half)
- Outside Diameter: ≈ 190 mm
- Inside Diameter: ≈ 140 mm
- Overall Height: ≈ 25 mm
- Weight: ≈ 1.2 kg
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.
- 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.







