Hydraulic boom seal kit is designed for superior sealing in hydraulic systems, preventing leaks and improving performance. Ideal for use in construction and industrial machinery, it ensures long-lasting, reliable operation under demanding conditions.
Hydraulic Seal Kit 2478868 is designed for CAT E319D L, 319D LN, 320D, 320D L, 320D LN, 320D LRR, 320D RR, 321D LCR, 323D L, 323D LN, and 323D SA excavator boom cylinder applications. It helps reduce leakage, maintain hydraulic pressure, and support smooth boom movement during demanding operations.
This seal kit is an OEM aftermarket direct replacement, not branded CATERPILLAR®. It is made for boom cylinder repair and maintenance, offering accurate fitment, dependable sealing, and strong value compared with original parts. It is suitable for repair shops, distributors, and equipment owners needing reliable hydraulic cylinder service parts.
JSPSEAL provides efficient aftermarket hydraulic boom seal kit solutions for CAT excavators. With nearly 20 years of aftermarket experience, accurate part-number matching, flexible MOQ, fast delivery, and stable weekly supply, we help customers quickly source the correct seal kit, reduce equipment downtime, lower maintenance costs, and keep machines working reliably in harsh environments.
| Kits Number | Rod x Bore | Kits Number | Rod x Bore | Kits Number | Rod x Bore |
| 0860174 | 75*100 | 1261887 | 90*130 | 1697826 | 75*110 |
| 0919842 | 45*90 | 1261937 | 85*120 | 1697827 | 60*90 |
* All manufacturer's names, part numbers, and descriptions are used for reference purposes only. We do not imply that any part shown is the product of these manufacturers.
We ship worldwide via DHL, FedEx, UPS, TNT, and EMS for small orders, and by sea freight for bulk orders. Standard delivery time is 5–7 working days for small orders and 15–30 days for sea freight.
All products are carefully packaged in neutral packaging with foam protection to prevent damage during transit. Custom packaging with your branding is available for OEM orders.
We accept multiple payment methods for your convenience. For new customers, we typically require 100% advance payment for small orders. For established partnerships, we offer flexible terms including 30% deposit with balance before shipping.
