129-7855 Gasket for Caterpillar Excavators 320C 320D 323D Hydraulic Pump
Premium aftermarket 129-7855 gasket – direct replacement for Caterpillar excavators including 318C, 319C, 320C, 320D, 321C, 322C, 323D series hydraulic pump.
Brand:WINSCHEN
Country of Origin:CHINA
Minimum order quantity:1 PCS
Delivery time:1-3 Days
SKU:CTC-129-7855
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
129-7855 Gasket – High-Quality Aftermarket Replacement for Caterpillar Excavators
Ensure leak-free hydraulic pump performance in your Caterpillar excavator with this premium aftermarket 129-7855 gasket. Engineered as a direct OEM replacement, it provides reliable sealing between pump components, preventing fluid loss and contamination for smooth operation in demanding digging conditions.
Key Benefits for Contractors and Operators
- Prevents Costly Leaks: Tight seal keeps hydraulic fluid contained, reducing wear on pump parts and expensive repairs.
- Direct Fit Installation: Matches genuine Cat specs for quick, no-modification replacement – minimize downtime during pump service.
- Built Tough for Heavy Duty Use: High-grade material resists pressure, heat, and harsh environments for extended service life.
- Cost-Effective Alternative: OEM-level sealing at aftermarket pricing – ideal for fleet maintenance and budget-conscious operations.
- Fast Shipping: In stock and ready to ship within 1-3 days.
Compatible Caterpillar Models
This gasket is commonly used in hydraulic pump systems for models including (verify your machine’s parts manual for exact fit):
- 318C, 319C, 320C, 320C L
- 320D, 320D L, 320D GC
- 321C, 321D LCR, 322C
- 323D and related series
Specifications
| Part Number | 129-7855 (1297855) |
| Type | Gasket |
| Application | Hydraulic Pump Sealing |
| Material | High-Quality Durable Composite |
| Origin | China (Premium Aftermarket) |
| MOQ | 1 Piece |
Questions? Contact us for fitment confirmation or bulk pricing. We stand behind our parts with fast shipping and easy returns.


















