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cylinder head Manufacturers

I have found results from2000+products and900+suppliers aboutcylinder head

Ningbo Bopain Auto Parts Co., Ltd.mic-icon
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V348 P4AT Cylinder Head for Ford 2.2TD 1740108 BK3Q6C032AD 908758

V348 P4AT Cylinder Head for Ford 2.2TD 1740108 BK3Q6C032AD 908758

US$100.00-300.00
1 Piece(MOQ)
Sample Available
SD23 SD25 Cylinder Head for Nissan D21 2.3D 8V Diesel OE 11041-29W01

SD23 SD25 Cylinder Head for Nissan D21 2.3D 8V Diesel OE 11041-29W01

US$100.00-300.00
1 Piece(MOQ)
Sample Available
Yd25 Cylinder Head for Nissan Narava Pathfinder 2.5dti 16V Diesel OE 11039-Ec00A 11040-Ec00A11040-Ec00c Amc No. 908510

Yd25 Cylinder Head for Nissan Narava Pathfinder 2.5dti 16V Diesel OE 11039-Ec00A 11040-Ec00A11040-Ec00c Amc No. 908510

US$100.00-300.00
1 Piece(MOQ)
Sample Available
G4KA Complete Cylinder Head Assy for HYUNDAI Engine 2.0L Gasoline

G4KA Complete Cylinder Head Assy for HYUNDAI Engine 2.0L Gasoline

US$100.00-300.00
5 Pieces(MOQ)
Sample Available
L3 Complete Cylinder Head Assy for FORD Engine Focus Mondeo 2.3L Gasoline

L3 Complete Cylinder Head Assy for FORD Engine Focus Mondeo 2.3L Gasoline

US$100.00-300.00
5 Pieces(MOQ)
Sample Available
D4F Cylinder Head Manufacturer for RENAULT OE 7701478273 1216456954 8201173867

D4F Cylinder Head Manufacturer for RENAULT OE 7701478273 1216456954 8201173867

US$100.00-300.00
1 Piece(MOQ)
Sample Available
K7M K7J Complete Cylinder Head Assy for CHEVROLET  Engine 1.6L Gasoline

K7M K7J Complete Cylinder Head Assy for CHEVROLET Engine 1.6L Gasoline

US$100.00-300.00
5 Pieces(MOQ)
Sample Available
H5F Complete Cylinder Head Assy for CHEVROLET  Engine 1.2L 910038 Gasoline

H5F Complete Cylinder Head Assy for CHEVROLET Engine 1.2L 910038 Gasoline

US$100.00-300.00
5 Pieces(MOQ)
Sample Available
4HU Complete Cylinder Head Assy for FORD Engine 2.2HDI  2.2TDCI 908867 Diesel

4HU Complete Cylinder Head Assy for FORD Engine 2.2HDI 2.2TDCI 908867 Diesel

US$100.00-300.00
5 Pieces(MOQ)
Sample Available
K4J K4M Complete Cylinder Head Assy for CHEVROLET  Engine 1.4L 1.6L Old Diesel

K4J K4M Complete Cylinder Head Assy for CHEVROLET Engine 1.4L 1.6L Old Diesel

US$100.00-300.00
5 Pieces(MOQ)
Sample Available
For Ford V8  6.0 Cylinder Head F150 F250 1855613C1 3C3Z6049DA 3C3Z-6049-DA

For Ford V8 6.0 Cylinder Head F150 F250 1855613C1 3C3Z6049DA 3C3Z-6049-DA

US$100.00-300.00
1 Piece(MOQ)
Sample Available
2L2 2L 2LT 3L 5L Cylinder Head for Toyota Hilux Dyna Hiace 2.4L 8V Diesel OE 11101-54131  11101-54131 11101-54050 11101-54120

2L2 2L 2LT 3L 5L Cylinder Head for Toyota Hilux Dyna Hiace 2.4L 8V Diesel OE 11101-54131 11101-54131 11101-54050 11101-54120

US$100.00-300.00
1 Piece(MOQ)
Sample Available
M9T Cylinder Head Manufacturer for RENAULT Master Alaskan 2.3DCI 110414467R 7485144343 AMC 908325

M9T Cylinder Head Manufacturer for RENAULT Master Alaskan 2.3DCI 110414467R 7485144343 AMC 908325

US$100.00-300.00
1 Piece(MOQ)
Sample Available
4GB2-3D Complete Cylinder Head Assembly for JAC Engine 1.5L Gasoline

4GB2-3D Complete Cylinder Head Assembly for JAC Engine 1.5L Gasoline

US$100.00-300.00
5 Pieces(MOQ)
Sample Available

Sourcing guidance for Cylinder Head

What are the key material considerations when selecting a cylinder head for heavy-duty applications?

For heavy-duty or high-performance applications, you must choose between Cast Iron and Aluminum Alloy. Cast iron offers superior thermal stability and durability for diesel engines, while aluminum alloy provides excellent heat dissipation and weight reduction for gasoline engines. Ensure the supplier uses high-grade alloys (like A356) and performs T6 heat treatment to enhance structural integrity and pressure resistance.

Which technical specifications are critical for ensuring engine compatibility?

Buyers must verify the OEM Number alignment to ensure a perfect fit. Key technical parameters include valve seat angles, combustion chamber volume, and port dimensions. It is essential to confirm the surface flatness tolerance (typically <0.05mm) to prevent head gasket failure. Always request a detailed technical drawing or CAD file to cross-reference with your engine block specifications.

What quality certifications and testing standards should a reliable supplier meet?

A professional manufacturer should hold IATF 16949:2016 certification, which is the gold standard for automotive quality management. Every unit should undergo 100% hydraulic leakage testing and vacuum testing for valve seating before shipment. For critical components, ask for X-ray flaw detection reports to ensure there are no internal casting defects or porosity that could lead to cracks under high pressure.

How can I evaluate the production technology used by the manufacturer?

Prioritize suppliers utilizing CNC machining centers for high-precision finishing of valve guides and seats. For the casting process, gravity casting or low-pressure die casting is preferred over sand casting for better surface finish and dimensional accuracy. Inquire if the supplier uses Coordinate Measuring Machines (CMM) for final dimensional inspection to guarantee micron-level precision.

Cross-Border Procurement Risks and Strategic Advice for Cylinder Heads

How can I mitigate the risk of receiving damaged or defective precision parts?

Cylinder heads are heavy and fragile; insist on VCI (Volatile Corrosion Inhibitor) packaging to prevent rust during sea freight and customized foam-in-place or wooden crate packaging to prevent impact damage. Utilize third-party pre-shipment inspections via services available on Made-in-China.com to verify the goods match the approved sample before the final balance is paid.

What are the best strategies for negotiating with cylinder head manufacturers?

Focus on Total Cost of Ownership (TCO) rather than just the unit price. Negotiate for a longer warranty period (at least 12-24 months) as a sign of the supplier's confidence in their casting quality. For bulk orders, request tiered pricing and ask the supplier to include essential hardware like valves, springs, or head bolts at a discounted bundle rate to simplify your assembly line.

What should I consider regarding international trade compliance and shipping?

Verify the HS Code (typically 8409.91 or 8409.99) to calculate accurate import duties in your country. Given the weight of cylinder heads, LCL (Less than Container Load) sea freight is usually the most economical method. Ensure the supplier provides a Certificate of Origin to help you benefit from any applicable Free Trade Agreements (FTAs) and reduce tariff costs.

How do I ensure transaction security when dealing with new overseas suppliers?

Always conduct transactions through secure payment channels provided by reputable platforms like Made-in-China.com, which offer trade security services. Avoid direct wire transfers to unknown accounts. Conduct a factory audit (either in person or via a third-party agency) to confirm the supplier is a genuine manufacturer and not a trading company with no quality control over the casting process.

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