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Complete O‑ring sizes matched original specifications, one‑stop solution for hydraulic and engine sealing repair
Precision cross‑section & diameter, tight fit for pipe joints, valves, pumps, cylinders and connectors
High‑pressure sealing performance, stable under heavy‑load mining and construction working conditions
Dust‑proof, waterproof and anti‑corrosion, long service life in dusty, muddy harsh environments
Neatly packaged full set kit, convenient for on‑site maintenance and overhaul
Wide compatibility with multiple CAT excavator, loader and engine models
Product Information
Item
Specification
Part Number
4C8253
Product Name
O‑Ring Kit / O‑Ring Seal Repair Kit
Material
NBR Nitrile Rubber / Optional FKM Fluoro Rubber
Included Parts
Multiple‑size standard O‑rings as per OEM 4C8253 specification
Function
Prevent oil/hydraulic fluid leakage, seal pipe joints, valves, pumps and connectors
Application
CAT Excavator, Loader, Hydraulic System, Engine, Fuel & Lubrication System
Condition
Brand New Aftermarket Replacement
Related Products
Category
Replaceable Part Numbers & Compatible Models
General OEM Series
4C8253, 4C‑8253
Compatible Excavator Models
CAT 320D, 325D, 330D, 336D, 320GC, 336GC
Compatible Engine Models
C6.4, C7, C9, C13
Fitment Application
Widely used in Cat medium‑large excavators, wheel loaders and heavy machinery, for hydraulic pipelines, control valves, hydraulic pumps, engine fuel systems and connector sealing repair.
FAQ
Q1: What is the OEM part number?
A1: Standard part number is 4C8253.
Q2: What material are the O‑rings made of?
A2: Standard NBR nitrile rubber, high‑temperature FKM fluorine rubber optional.
A4: Hydraulic pipelines, control valves, pumps, engine fuel and lubrication systems.
Q5: Is it high‑pressure resistant?
A5: Yes, heavy‑duty design for high‑pressure hydraulic system sealing.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Distributor/Wholesaler,Trading Company
Year Established:
2008
Total Annual:
10000000￥-100000000￥
Employee Number:
50~150
Ecer Certification：
Verified Supplier
Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma... Guangzhou Lanxin Machinery Equipment Co., Ltd., established in 2008, is a professional supplier of excavator parts and mining equipment parts located in Guangzhou, Guangdong Province, China. Focusing on engineering components, and leveraging 18 years of professional experience in the construction ma...
