CAT Excavator Cylinder Seal Kit CT-1997416 is an OEM aftermarket seal kit for Caterpillar excavator boom, bucket, and stick cylinders, designed for 105×150 mm hydraulic cylinders to reduce leakage, improve hydraulic efficiency, and support reliable operation in heavy-duty working conditions.
CAT Excavator Cylinder Seal Kit CT-1997416 is designed for hydraulic cylinder repair and maintenance on Caterpillar excavators, including boom, bucket, and stick cylinder applications. It is suitable for various CAT models such as 320B, 322B, 322C, 325B, 325C, 330, 330L, 330B L, 330B LN, and W330B MH.
This OEM aftermarket seal kit is a direct replacement for reference number 1997416 and is not branded Caterpillar®. With 105 mm rod and 150 mm bore specifications, it includes high-quality sealing components to help prevent oil leakage, restore cylinder pressure, reduce downtime, and extend hydraulic system service life.
JSPSEAL supplies reliable CAT Excavator Cylinder Seal Kit CT-1997416 solutions for excavator cylinder rebuilding and repair. With accurate 105×150 mm fitment, flexible MOQ, 5–7 day delivery for small orders, and 1000 sets weekly supply capacity, we help customers reduce leakage, control maintenance costs, and keep heavy equipment operating efficiently.
| Items | Brand | Material | Color |
| Rod Seals | NOK/SKF/H605/SPRS | Urethane (TPU) | Ivory/Blue/Gray |
| Buffer Seals | JSPSEAL/SPRS | Urethane+PA or PTFE Bronze+NBR | Ivory/Purple |
| Wipers | JSPSEAL/SPRS | Urethane+Metal or NBR+Metal | Ivory/Black |
| Piston Seals | JSPSEAL | PTFE Bronze+NBR+PA OR Nylon+NBR | Brown/Green/Gold |
| Wear Rings | JSPSEAL | Phenolic Resion Cotton Fabric or PTFE Bronze | Brown/Blue/Yellow |
| Backup Rings | JSPSEAL | PA or PTFE or PTFE Bronze | Black/White/Brown |
| O-Rings | JSPSEAL | NBR (Hardness 90 Shore A) | Black |
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.
