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Power Sky lmport and ExportCo.,Ltd

  • China,Dongguan ,Guangdong
  • Verified Supplier
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China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator
China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator

  1. China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator
  2. China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator
  3. China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator
  4. China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator
  5. China Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator

Forged Aluminum Engine Spare Parts Piston Kit 4376335 For 6B5.9 Excavator

  1. MOQ: 5PCS
  2. Price: 15usd/cyl
  3. Get Latest Price
Bore 102 mm
Payment Terms T/T
Net Weight 2.1 kg/set
Delivery Time 15 work days
Compatible Engine 6B5.9, 5.9L In-line 6 Cylinder
Stroke 120 mm
Packaging Details Plywood case or carton box
Ring Grooves 3 grooves
Supply Ability
Carton Size 13 × 7 × 7 cm
Part Number 4376335
Material Aluminum Alloy Piston + Alloy Cast Iron Piston Rings
Model Number 4376335
Place of Origin China
Brand Name FUSI

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  1. Product Details
  2. Company Details

Product Specification

Bore 102 mm Payment Terms T/T
Net Weight 2.1 kg/set Delivery Time 15 work days
Compatible Engine 6B5.9, 5.9L In-line 6 Cylinder Stroke 120 mm
Packaging Details Plywood case or carton box Ring Grooves 3 grooves
Supply Ability Carton Size 13 × 7 × 7 cm
Part Number 4376335 Material Aluminum Alloy Piston + Alloy Cast Iron Piston Rings
Model Number 4376335 Place of Origin China
Brand Name FUSI
High Light Engine Spare Parts Aluminum Piston ,Engine Spare Parts Forged Piston ,4376335

Forged Aluminum Engine Piston and Diesel Piston Kit 4376335 with Weight Graded Five-Groove Combustion Bowl for 6B5.9 Excavator

 

Product Overview

Piston 4376335 is a forged aluminum piston engineered for heavy-duty turbo diesel engines. It is commonly used in the overhaul of large excavators, mining dump trucks, and concrete pump power units.

Key Design Features
  • Streamlined Combustion Bowl Profile The curved inner chamber is calibrated to match the injector spray angle. It creates an organized fuel swirl for efficient combustion, minimizes carbon deposition, and reduces black smoke emission at low engine speeds.
  • Grain Refinement Treatment on Ring Groove Zones Special heat treatment refines the metal structure around the ring grooves. It boosts surface hardness and fatigue resistance against repeated friction, preserving groove geometry and cylinder sealing performance over long service hours.
  • Micro-Dimple Oil Storage Texture on Skirt Fine recessed pockets on the piston skirt hold a persistent lubricating oil film. This prevents direct metal contact between the skirt and liner and greatly reduces scuffing risk during cold starts.
  • Double-Radius Transition for Pin Bore Ends Smooth curved transitions on both sides of the wrist pin hole distribute impact stress evenly. This eliminates stress concentration cracks and improves fatigue life under fluctuating heavy vibration loads.
  • Weight Grading and Sorting Inspection Each piston is weighed precisely and grouped within a tight tolerance. The weight difference between pistons for one engine is strictly limited, ensuring good dynamic balance and lowering engine vibration.
Interchangeability & Assembly

This aftermarket piston offers excellent interchangeability. It can be supplied separately or as a complete set with piston pin, circlips, and rings. When assembled with cylinder liner kits, it delivers durable and stable performance under continuous heavy loads at quarry and construction sites.

Technical Specifications
Part Number 4376335
Matching Piston Body Part No. 5255257
Product Name Piston Kit
Compatible Engine 6B5.9, 5.9L In-line 6 Cylinder
Bore 102 mm
Stroke 120 mm
Material Aluminum Alloy Piston + Alloy Cast Iron Piston Rings
Number of Ring Grooves 3 grooves
Kit Includes Piston, piston pin, circlips, complete piston ring set
Packing Unit Set (1 set = for one cylinder; 6 sets required for full 6-cylinder engine)
Approx. Net Weight 2.1 kg/set
Outer Carton Size 13 × 7 × 7 cm
Application Excavators, wheel loaders, trucks, diesel generator sets, overhaul of construction machinery
Interchange Remark Interchangeable part number for the same engine: 3926631
Product Image
Forged aluminum engine piston 4376335 for 6B5.9 heavy-duty diesel engines, shown with piston body and ring grooves

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Importer,Exporter,Trading Company,Seller

  • Total Annual:

    30 million-80 million

  • Employee Number:

    25~50

  • Ecer Certification:

    Verified Supplier

As a premier family-owned enterprise with over 30 years of deep heritage in crankshaft manufacturing and 16 years of strategic global supply chain presence, we are dedicated to heavy-duty engine assemblies, generator sets, and core components. We possess robust, end-to-end supply and delivery ... As a premier family-owned enterprise with over 30 years of deep heritage in crankshaft manufacturing and 16 years of strategic global supply chain presence, we are dedicated to heavy-duty engine assemblies, generator sets, and core components. We possess robust, end-to-end supply and delivery ...

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  • Reach Us
  • Power Sky lmport and ExportCo.,Ltd
  • Room 301, Building 2, No. 3, Machong Section, Shuixiang Avenue, Machong Town, Dongguan City, Guangdong Province, China
  • https://www.diesel-enginespart.com/

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