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Product Introduction
Marine engine cylinder heads are manufactured from premium high-grade alloy cast iron or cast steel, specifically designed to withstand extreme thermal and mechanical loads. As a critical component of the combustion chamber, it houses intake/exhaust valves, fuel injectors, and complex cooling passages. Our cylinder heads feature superior thermal fatigue resistance and excellent heat dissipation, ensuring stable operation under high-pressure combustion conditions.
Suitable for various ocean-going vessels such as container ships and tankers, these cylinder heads are precision-engineered to reduce the risk of thermal cracking and gas leakage. They are applicable for both new engine assembly and core replacement during major overhauls, fully complying with CCS classification society certification standards.
We supply full-range spare parts for marine main engines, auxiliary engines, oil purifiers, air compressors, turbochargers and other marine equipment. Both genuine original spare parts and high-quality OEM replacement parts are available.
Complete models & sufficient stock, supporting bulk supply for shipyards, ship owners and marine service companies worldwide.
一、MAIN ENGINE
Our company specializes in providing comprehensive spare parts for all the aforementioned brand ship engines, including cylinder liners, pistons, injectors, connecting rods, seals, bearings, oil heads, plungers, and more. We offer both stock availability and customized supply options to meet the maintenance needs of various marine diesel engine systems
Product Advantage
1. High-Grade Alloy Casting, Superior Thermal Stability
Our cylinder heads adopt premium alloy cast iron with integral casting technology. The material exhibits outstanding resistance to thermal stress and high-temperature oxidation, ensuring a service life of 12,000+ hours without structural fatigue.
2. 5-Axis CNC Precision Machining
All valve seats and injector bores undergo 5-axis CNC finish machining, with tolerances controlled within 0.008mm. This ensures a perfect seal and precise matching with internal components, preventing compression loss.
3. Optimized Cooling Channel Design
Internal cooling passages are designed for maximum heat transfer efficiency, effectively preventing hotspots and thermal deformation. This high-efficiency cooling stabilizes the engine's power output during long-distance voyages.
4. Strict Hydraulic & Pressure Testing
Every cylinder head undergoes 100% hydraulic leakage tests and ultrasonic flaw detection before delivery. The qualification rate is stabilized at 99.7%, ensuring zero field failures under extreme marine conditions.
5. CCS Certified & Wide Brand Matching
Fully compliant with China Classification Society (CCS) standards. We provide immediate stock for mainstream brands like MAN, Yanmar, and Sulzer, with a customized production cycle within 7-15 days.
Product Uses
Manufactured for heavy-duty marine diesel engines, these cylinder heads are suitable for long-distance container ships, oil tankers, and bulk carriers. They are engineered to resist corrosion from seawater cooling media and impure heavy fuel oil. Applicable to all-weather operations for harbor tugs and offshore platforms, providing steady propulsion power and minimizing unexpected downtime.
MAIN ENGINE | MAN B&W | S26MC,L/S35MC,L/S42MC,L/S50MC,L/S60MC,L/S70MC,L/S80MC,L/S90MC,S46MC-C,S50MC-C,S60MC-C,S70MC-C,S80MC-C,S90MC-C,K90MC-C,K98MC-C,K/L45GF(CA),55GF(CA),67GF(CA),80GF(CA),90GF(CA) |
WARTSILA | 6L20,9L20,8L32,R22,R32,L20,L32 | |
PIELSTICK | PC2-2,PC2-5,PC2-5L,PC2-5V,PC2-6,PA4,PA5,PA6 | |
HANSHIN | EL30-44,ELS-35,44,LH-28G,LU24-54,LUN28AR(G),LUS24-58,LF46-58 | |
NIIGATA | 16HS,16X,18CX,19HX,20AX,25BX,25CX,26AFTE,26KGHS,28AFTE,28BX,28KGHS,31EZ,31X,32CLX,34AFTE | |
SULZER | RTA38,RTA48,RTA52,RTA58,RTA62,RTA68,RTA72,RTA76,RTA84,RL(A/B)56,RL(A/B)66,RL(A/B)76, RL(A/B)90,RND68,RND76 | |
AKASAKA | A31,A34,A38,A41,A45,AH25,AH27,AH28,AH30,AH38,AH40,K28,K31,DM28FD,DM38FD,DM40FD,DM51SS | |
MITSUBISHI | UEC33LSE,UEC37LA,UEC45LA,UEC50LS,UEC52LA,UEC52LS,UEC60LS,UET45/75C,UET45/80D, UET52/90D,UET52/105H | |
AUX.ENGINE | MITSUBISHI | S6A,S6B,S6R,S6N,S16N,S16R,S12R,SA2 |
MAN B&W | 16/24,20/27,21/31,23/30,25/33,28/32,32/40,48/60,58/64 | |
YANMAR | HAL,KL,KDL,KFL,RAL,MAL,S165,S185,M200,M220,T220,T240,T260,Z280,N165,N18,N21,N165,N260,N280, N330,NY16,EY18,EY22,EY26,4CHL,6CHL | |
DAIHATSU | DK20,DK26,DK28,DK32,DL16,DL19,DL20,DL22,DL24,DL26,DL28,DL32,DS18,DS19,DS22,DS26,DS28,DS32, DS40,PK14,PK16,PL24,PL26,PS18,PS20,PS22,PS26,PS30 |
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: Usually T/T100% in short delivery, if the delivery is long 50% as deposit, and 50% before delivery.
We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 7 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
