YNF17349 438-2633/438-2634 bucket pin delivers strong, wear-resistant linkage support for CAT306E bucket and pump arms.
OEM replacement for Caterpillar 438-2633 & 438-2634 pins
Made from hardened alloy steel for extreme wear resistance
Precision-machined for accurate fit and long service life
Black anti-corrosion finish ensures durability in harsh environments
Ideal for excavator repair shops, distributors, and fleet maintenance operations
The YNF17349 bucket pin (438-2633 / 438-2634) is specially manufactured for the CAT306E excavator, providing vital mechanical support for the bucket linkage and pump-arm joint. This pin is engineered with premium alloy steel and enhanced heat treatment to deliver outstanding wear resistance, bending strength, and long-term reliability under heavy excavation loads.
Its precision-ground surface ensures proper clearance with bushings, allowing smooth and consistent movement while minimizing play and reducing early failure of surrounding components. The black protective coating further enhances corrosion resistance, making the pin suitable for wet, abrasive, and high-impact jobsite environments.
Replacing worn or loose pins with YNF17349 restores proper joint alignment, improves digging accuracy, and extends equipment life—making it an excellent solution for aftermarket distributors, maintenance fleets, and heavy equipment repair facilities.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17349 |
| OEM Numbers | 438-2633 / 438-2634 |
| Product Type | Excavator Bucket Pin / Pump Arm Linkage Pin |
| Machine Model | CAT306E |
| Material | Heat-treated alloy steel |
| Surface Finish | Black anti-corrosion coating |
| Function | Supports bucket/pump linkage pivot motion |
| Resistance | Wear, bending, corrosion, impact |
| Installation | Direct OEM replacement |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Pump Arm & Bucket Linkage | Provides stable pivot motion for CAT306E joints |
| Pin & Bushing Service | Restores fitment and reduces joint play |
| Excavator Control Precision | Ensures accurate linkage movement |
| Aftermarket Distribution | Suitable for heavy equipment parts suppliers |
Related Products:
CAT306E Linkage Pins (392-6244 / 392-6245)
CAT306E Lip Seals (093-1430 / 150-5697)
Excavator Pin & Bushing Kits
Hardened Steel Structural Parts
FAQs:
Q: Are 438-2633 and 438-2634 both used on CAT306E?
A: Yes, they match specific bucket and pump linkage positions.
Q: What material is used?
A: High-strength, heat-treated alloy steel.
Q: Does this pin include surface coating?
A: Yes, black coating for corrosion and wear protection.
The YNF17349 438-2633 / 438-2634 CAT306E pin offers exceptional strength and wear resistance, ensuring reliable operation of bucket and pump linkage joints. With hardened alloy steel construction and precision machining, this pin maintains long-term performance even in heavy-duty excavation environments. YNF Machinery delivers consistent quality, competitive wholesale pricing, and stable stock—ideal for global distributors and excavator maintenance teams. Contact us today for your quotation.
