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Top 10 HOWO Engine Cylinder Liner Manufacturers in China 2026

15 May 2026

HOWO Engine Cylinder Liner Manufacturers in China

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As global demand for Chinese heavy-duty trucks continues to rise, the aftermarket for HOWO engine spare parts is growing rapidly — especially in Africa, the Middle East, Southeast Asia, and South America.

Among all engine overhaul components, the cylinder liner is one of the most critical parts affecting engine lifespan, fuel efficiency, and maintenance costs. Poor-quality liners can quickly lead to overheating, piston wear, oil burning, or even full engine failure.

Today, China has become the world’s largest manufacturing base for HOWO engine cylinder liners, thanks to its mature casting industry, precision machining capability, and strong diesel engine supply chain.

However, not every supplier offers the same quality.

Some factories specialize in OEM-grade wet cylinder liners for WD615 and WP10 engines, while others mainly produce low-cost aftermarket products. Choosing the right supplier is essential for distributors, wholesalers, and fleet operators who want stable performance and long-term business growth.

Below are some of the most recognized and reliable HOWO engine cylinder liner manufacturers in China for 2026.

OEM vs Aftermarket HOWO Cylinder Liners

Before importing HOWO cylinder liners, buyers should first understand the difference between OEM and aftermarket products.

TypeFeaturesSuitable Markets
OEM LinersHigher precision, stable metallurgy, longer lifespanFleet operators, premium markets
Standard AftermarketLower cost, flexible MOQRepair markets, wholesalers
High-Grade AftermarketOEM-like durability with better pricingAfrica & Middle East markets

For most overseas distributors, high-grade aftermarket liners offer the best balance between cost and durability.

Top HOWO Cylinder Liner Manufacturers in China

CompanyLocationMain Products
Qingdao KailaiShandongHOWO cylinder liners
WEICHAI PowerShandongDiesel engines & liners
SINOTRUK PartsShandongGenuine HOWO parts
Bohai PistonShandongPistons & cylinder liners
Yucheng XinchidaShandongCylinder sleeves
Linqu ShenluShandongWet cylinder liners

Qingdao Kailai

Qingdao Kailai is one of the key suppliers focusing on heavy-duty diesel engine components and cylinder liner systems for export markets.

The company mainly supplies:

Qingdao Kailai benefits from Shandong’s strong heavy truck industrial chain, located close to major HOWO and WEICHAI supply ecosystems. Their products are widely exported to Africa, the Middle East, and Southeast Asia, where HOWO trucks dominate transport and mining operations.

One of Kailai’s major strengths is balancing export pricing with stable machining quality. Many overseas buyers prefer their products for aftermarket engine rebuilding because of:

The company also supports customized packaging and OEM branding for distributors building their own aftermarket brands.

Main Markets:

Factory Advantages:

WEICHAI Power

Weichai Power is one of China’s largest diesel engine manufacturers and a major supplier for the heavy truck industry.

Many HOWO trucks use WEICHAI WP10 and WP12 engines, making WEICHAI-compatible cylinder liners highly demanded in global repair markets.

Their production system includes:

WEICHAI products are widely used in:

Main Advantages:

SINOTRUK Parts

Sinotruk is the original manufacturer behind HOWO trucks.

Original SINOTRUK cylinder liners are mainly used for:

Compared with aftermarket products, genuine SINOTRUK liners usually provide:

However, genuine parts are usually more expensive than independent aftermarket suppliers.

Main Advantages:

Bohai Piston

Bohai Piston is one of China’s best-known engine component manufacturers.

The company produces:

Bohai products are widely used in commercial vehicle engines and industrial diesel systems.

Their liners are known for:

Main Advantages:

Yucheng Xinchida Precision Machinery

Yucheng Xinchida Precision Machinery is a professional cylinder liner manufacturer based in Shandong Province. The company focuses heavily on export-oriented production and has over 14 years of experience in cylinder sleeve manufacturing.

Their factory operates:

According to company information, their annual production capacity exceeds 2 million cylinder sleeves.

Main Advantages:

Linqu Shenlu Cylinder Liner

Linqu Shenlu Cylinder Liner is a long-established cylinder liner manufacturer in Shandong.

The company specializes in:

Their factory includes centrifugal casting machines, machining centers, and testing laboratories designed for engine metallurgy inspection.

Main Advantages:

How to Choose a Reliable HOWO Cylinder Liner Supplier

When importing HOWO engine cylinder liners from China, buyers should pay attention to several critical factors.

1. Material Quality

Good cylinder liners usually use:

Poor-quality liners often fail due to cracking or excessive wear.

2. Machining Precision

Cylinder bore precision directly affects:

Always ask suppliers about:

3. Export Packaging

Professional export suppliers usually provide:

This is especially important for African and South American shipping routes.

4. Heavy Truck Market Experience

Suppliers experienced in:

usually understand overseas aftermarket requirements much better than general auto parts factories.

WD615 Cylinder Liner Buying Guide

The WD615 engine remains one of the most widely used HOWO engines worldwide.

Before purchasing WD615 liners, buyers should confirm:

Many distributors also purchase:

together with cylinder liners to reduce shipping costs and simplify inventory management.

Conclusion

China remains the global center for HOWO engine cylinder liner manufacturing, especially in Shandong Province where the SINOTRUK and WEICHAI industrial chains are concentrated.

Among export-oriented suppliers, Qingdao Kailai stands out for its strong aftermarket experience, competitive pricing, and stable supply capability for HOWO engine rebuilding markets.

For importers, wholesalers, and truck repair distributors, choosing the right supplier is not only about price — it is about long-term reliability, stable engine performance, and customer trust.



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