336EL Bucket Hydraulic Cylinder | PN:357-9766 / 315-4451

1.Product Introduction

2.Basic Product Information Sheet

3.Core Technical Specifications

Core Selling Advantages

1. Four Cross-Referenced Part Numbers, Exclusive Fit for 336EL Only

   
   

   357-9766, 315-4451, 3579766 and 3154451 share identical dimensional parameters and are mutually interchangeable, tailor-made only for 336EL, not compatible with 336E, 340EL or other E-series heavy excavator models. All connection geometric sizes completely replicate original E-series heavy-duty OEM components, perfectly fitting factory bucket linkages and hydraulic piping. It effectively eliminates assembly offset issues that accelerate seal aging and persistent oil seepage when generic thin-wall cylinders are forced onto reinforced heavy machine frames.
2. E-Series Heavy-Duty Reinforced Shockproof Structure for Mixed Construction & Quarry Scenarios

   
   

   Cheap general thin-wall hydraulic cylinders cannot withstand round-the-clock alternating heavy digging loads on foundation sites and quarries. This product upgrades cylinder barrel wall thickness and cast lug structural strength customized for the high-load operation cycle of 336EL. It stands long-period cyclic heavy loads and frequent hard rock collisions, with service life far exceeding ordinary aftermarket cylinders only suitable for light landscaping work.
3. Dual Independent Offline Pre-Delivery Inspection to Eliminate Hidden Defects

   
   

   Each finished bucket cylinder undergoes two separate offline testing procedures before leaving the factory. The full-stroke reciprocating fatigue test simulates months of continuous full-load highway and quarry earthmoving to verify overall structural bearing stability; extended high-pressure soaking airtight test locates every tiny internal and external oil leakage blind spot. All defective finished products are fully filtered out before warehousing to prevent costly unplanned construction shutdown losses for contractors and quarry operators.
4. High Cost Performance for Fleets Operating 336EL Excavators

   
   

   Genuine OEM spare parts for 336EL heavy excavators carry high retail prices and long international supply lead times. This aftermarket bucket cylinder provides equivalent structural load capacity, smooth low-vibration stable operation and full service cycle same as original factory parts at competitive unit price, significantly cutting recurring long-term maintenance costs for large repair yards and heavy construction leasing enterprises with fleets of aging 336EL machines.
5. Flexible Global Logistics Solutions for Worldwide Construction & Mining Clients

   
   

   All stocked products can be dispatched within 3 working days after payment confirmation. Air freight supports emergency urgent orders for sudden cylinder failures at remote mountain quarry and large dam construction sites; consolidated bulk sea freight and full FCL container transport offer cost-effective wholesale delivery plans for machinery distributors supplying infrastructure and mining markets across Africa, Southeast Asia, Middle East and Latin America.

Factory Manufacturing Strength

Common Customer FAQ