OTTO Long Cylinder Head for 4HK1 Engine Excavator Cylinder Head Replacement Part Heavy Machinery Engine Cylinder Head Component
Maximize your engine’s performance and reliability with the OTTO Long Cylinder Head for 4HK1 Engine, a heavy-duty aftermarket replacement part engineered for the 4HK1 engine used in excavators. This precision-manufactured long cylinder head ensures proper sealing, efficient heat dissipation, and optimal combustion, serving as a critical component for heavy machinery engine repair and overhaul.
Technical Specifications
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Product Name
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Long Cylinder Head for 4HK1 Engine (Replacement Part)
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Part Number
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OTTO Long Cylinder Head (4HK1 Engine)
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Cross Reference
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OEM equivalent long cylinder heads for 4HK1 engine
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Compatible Brand
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Universal for machines equipped with 4HK1 engine
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Engine Type
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4HK1 Diesel Engine
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Machine Type
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Hydraulic Excavator & Heavy Machinery
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Application
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Engine Repair, Overhaul & Replacement
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Component Type
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Long Cylinder Head (Replacement Part)
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Material
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High-Strength Cast Aluminum Alloy, Heat-Treated
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Structure
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Integral Long Cylinder Head (OEM Standard Design)
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Function
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Seal combustion chamber, support valve mechanism, dissipate heat
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Performance
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High Sealing Performance, Good Heat Dissipation, Stable Operation
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Valve Guide/Seat
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Pre-Installed (OEM Standard)
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Condition
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New Aftermarket Replacement Part
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Installation
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Direct OEM Fit, Standard Engine Matching
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Features
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Anti-Corrosion, Wear-Resistant, Precision Machined, Easy Replacement
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Key Product Advantages
Perfect Fit for 4HK1 Engine:
The OTTO Long Cylinder Head is precision-machined to match OEM specifications for the 4HK1 engine, ensuring direct drop-in installation without modification—an ideal replacement part that saves maintenance time and labor costs.
Superior Sealing & Heat Dissipation:
Crafted from high-grade cast aluminum alloy, this long cylinder head features precise machining tolerances, ensuring airtight sealing of the combustion chamber and efficient heat dissipation, preventing engine overheating and power loss.
Heavy-Duty Durability:
Heat-treated and precision-finished, the cylinder head resists wear, corrosion, and high-temperature stress, maintaining structural integrity and long service life even under continuous heavy-duty engine operation.
Applications
Applicable Machine: This OTTO Long Cylinder Head is specially designed as a replacement part for excavators and heavy machinery equipped with the 4HK1 diesel engine, serving as a core component of the engine’s top-end system.
Applicable Model: 4HK1
About Otto
Guangzhou Otto Engineering Machinery Equipment Co.,Ltd, is a leading manufacturer and distributor of earthmoving parts and equipment in Guangzhou, China. It consists of 3 sister companies, serving many well-known distributors at home and abroad. With more than 20 years of production and distribution experience, OTTO has cultivated an experienced engineer team and a professional sales team, which can ensure the highest service with the highest quality, competitive price and prompt delivery. At the same time, it also supplies parts to the Chinese market, and many Chinese trading companies order from our company.
Come with us, the best service, the best price, the best supplier you can enjoy !
Our Advantages
1.TECHNICAL SERVICE
We provide modification technology service, the product has been tested modifed, the engine can be directly installed and used.
2.CERTIFICATE
With Export certificate License.Double confirmation before shipping, if we sent the wroncparts we will send corect one.
3.SERVICE TEAM
With professional after-sale team, will help you to trace the goods. And our engineers will assist with any installation issues.
4.TECHNICAL SERVICE
Free Sample is acceptable.We serves manywell-known Hitachi Komatsu Caterpillar Kobelco in your country.

Access our comprehensive Excavator Parts Book covering 50,000+ validated OEM references for Komatsu, CAT, Hitachi, Volvo, and Doosan machinery – cross-search by part number (e.g., Komatsu 111-10-11310), machine model (CAT 320D/EX200-5), or component type (hydraulic pumps, track links, engine rebuild kits) with real-time 3D diagram support. Engineered for zero-mismatch fitment across critical assemblies including Isuzu 6BG1T/Cummins QSB6.7 power systems, ISO-certified undercarriages, and Komatsu HMB-series hydraulic valves, all backed by 24/7 technical interpretation and downloadable PDF catalogs with MOQ/pricing.
At OTTO, we specialize in excavator machinery parts with a global clientele. Our superior products have garnered acclaim worldwide for their quality, durability, and precision engineering. Customers praise our extensive range of parts, from travel reduction gearboxes to hydraulic components, ensuring optimal performance. With a commitment to excellence, we offer top-notch warranties, secure shipping options, and efficient delivery times. Join our satisfied customers worldwide who rely on OTTO for top-tier excavator parts and exceptional service.
FAQ
Q1:What can you buy from us?
A:We are professional dealer in excavator parts, such as desel engine assy,hydraulic pump, hydraulic control valvetravel
motor,diesel fuel system,gearbox parts, swing gearbox motor parts, electrical parts, engine parts, used
excavator,etc.
Q2:How long is the warranted time?
A:For natural broken,Warranty 3-12 months any quality problem will offer support freely.
Q3:What's the shipping way you can offer?
A:(1) Big order: By sea or by air.(It can reduce the costs).
(2) Small order:DHL,TNT,UPS,FEDEX,EMS,ARAMEX.
Q4:What's the terms of the transaction?
A:EXW,FCA,FAS,FOB, C&F,CIF,CPT,CIP,DAF,DES,DDP.
Q5:How about the lead time?
A:(1) ln stock: 1-3 days.Always in 24 hours.
(2) Out of stock: lt's according to your quantity, and we have cooperated with factory,We will let you know when we quote.