For 331-1682 3311682 Engine Cylinder Block CAT C7.1 Excavator Engine Parts

For 331-1682 3311682 Engine Cylinder Block CAT C7.1 Excavator Engine Parts

Specification

Description

The engine cylinder block (Part No.: 331-1682 / 3311682) is designed for the C7.1 engine, serving as the core component of engines for excavators and other construction machinery. It is integrally cast from high-strength cast iron, integrating key structures such as the crankcase, cylinder liner mounting positions, main bearing seats, and lubrication oil passages, providing stable and reliable base support for engine operation. It is suitable for the maintenance and replacement of the power system of corresponding construction equipment.

Advantage

OEM-level Craftsmanship: Adopts high-precision casting and machining processes, with dimensional tolerances strictly matching OEM standards. It ensures the coaxiality and roundness of cylinder bores and main bearing bores, guaranteeing stable engine operation.
High Durability Design: Made of high-strength wear-resistant cast iron, it features excellent impact and fatigue resistance, capable of withstanding high pressure, high temperature, and alternating loads during engine operation, adapting to the harsh working conditions of construction machinery.
Perfect Fit: Specifically designed for the C7.1 engine, the oil passages, water passages, and mounting holes are precisely aligned. No additional machining is required during installation, and direct replacement restores engine performance, significantly reducing maintenance labor costs.
Reliable Quality Control: It undergoes multiple inspection processes before delivery to ensure no casting defects such as sand holes, cracks, or air holes. The cylinder block meets pressure-bearing and sealing standards, adapting to the long-term high-load operation requirements of excavators.

Performance

Excellent rigidity and deformation resistance effectively reduce vibration and noise during engine operation, improving the smoothness of the whole machine.
Optimized internal oil and water passage layout ensures efficient circulation of lubricating oil and coolant, maintaining a stable engine operating temperature and reducing thermal attenuation.
Matches the rated power and torque output of the original engine. After replacement, the engine's original power performance can be restored to meet the power requirements of construction operations.
Corrosion-resistant and wear-resistant surface treatment extends the service life of the cylinder block, reducing maintenance frequency and costs during long-term use.

About us

Guangzhou Pinxin Engine Co., Ltd | Premium Diesel Engine Parts Supplier

Guangzhou Pinxin Engine Co., Ltd is a leading manufacturer and supplier of high-quality diesel engine components, specializing in cylinder liners, pistons, engine blocks, crankshafts, fuel injectors, and diesel pumps. As an authorized partner for  Caterpilla (CAT) and Perkins engine parts, we deliver reliable solutions for construction machinery, power generation systems, and heavy-duty engines worldwide.

Comprehensive Product Range

• Cylinder Kits: Premium cylinder liners & pistons compatible with CAT® and Perkins® engines

• Engine Core Components: Durable engine blocks & crankshafts for industrial applications

• Fuel Systems: Precision fuel injectors & diesel pumps with OEM-equivalent performance

• Custom-engineered solutions for excavators, generators, and marine engines

Why Choose Guangzhou Pinxin?

✔ Certified Quality: ISO-certified manufacturing with strict QC protocols
✔ Global Logistics: Fast shipping to 50+ countries via air/sea freight
✔ Technical Support: 15+ years of expertise in engine rebuilds and maintenance
✔ Cost Efficiency: Competitive pricing without compromising durability

Quality Commitment

All components undergo rigorous testing to meet  Caterpilla 1U/2U/3U and Perkins SAA/PHVL specifications, ensuring optimal engine performance and extended service life. Our R&D team continuously innovates to address evolving market demands in the heavy machinery sector.

Serving Global Partners

From construction companies to mining operations and marine engineering projects, we empower industries with reliable engine solutions. Our products are trusted by clients across Southeast Asia, Africa, Europe, and South America.

Contact Us Today

Enhance your engine performance with genuine-quality parts. Request a quote or technical consultation: