Caterpillar C7.1 C7.1T Cylinder Liner Kit & Piston Set 4188571 4188570 Engine Parts

Product Details

Product Overview

This premium Cylinder Liner and Piston Set is specifically engineered for the Caterpillar C7.1 and C7.1T diesel engines. As a critical component for engine overhaul and repair, this kit ensures optimal compression and combustion efficiency. We provide global shipping to major industrial hubs, serving clients across North America, Europe, Asia-Pacific, the Middle East, and South America with reliable, high-performance engine parts.

Key Features & Benefits

• Superior Durability: Manufactured from high-grade alloy cast iron and steel, providing exceptional wear resistance and extended service life.
• Precision Engineering: CNC-machined to exact OEM specifications for a perfect fit and seamless integration with your Caterpillar engine.
• Enhanced Performance: Optimized piston ring design reduces friction, improves fuel economy, and minimizes oil consumption.
• Complete Kit: Includes cylinder liners, pistons, piston pins, and rings, simplifying your supply chain and ensuring component compatibility.
• Rigorous Testing: Each component undergoes strict quality control checks, including dimensional inspection and hardness testing, to guarantee reliability.

Technical Specifications

OEM Cross-Reference

This kit directly replaces the following original Caterpillar part numbers:

• Piston Set: 4188571
• Cylinder Liner Kit: 4188570
• Alternative/Cross-Reference: 257-6447, 325-2212

Compatibility

• Engine Models: Caterpillar C7.1, C7.1T (Industrial, Marine, and Generator Set applications)
• Vehicle/Equipment Application: Cat 320D2, 323D, 325D, 330D Excavators; AP-655D Pavers; C7.1-powered generator sets and industrial engines.
• Year Range: 2011 onwards (verify engine serial number for exact compatibility).

Global Supply & Distribution

We offer expedited worldwide shipping from our strategic warehouses. Our logistics network ensures fast delivery to major ports and industrial centers, including Rotterdam, Dubai, Singapore, Los Angeles, and Shanghai. We have extensive export experience and comply with all international trade regulations. Whether you need a single kit for a local repair shop or bulk orders for heavy equipment fleets, we provide reliable, cost-effective solutions.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities, ensuring consistent quality and traceability.
• Warranty: 12-month warranty against manufacturing defects, providing peace of mind for your operations.
• Testing: 100% dimensional inspection, hardness testing, and leak-down tests are performed on sample batches to confirm performance.

FAQ

Q1: Will this kit fit my Cat C7.1 engine with serial number J2T12345?

This kit is designed for standard C7.1 and C7.1T engines. While it is a direct replacement for most models, we recommend verifying your engine’s serial number against the Caterpillar parts manual. The part numbers 4188571 and 4188570 are the standard OEM specifications. Please contact us with your engine serial number for final confirmation before ordering.

Q2: What is the recommended installation procedure for the cylinder liners?

Installation should be performed by a qualified diesel mechanic. Key steps include: cleaning the cylinder block bore, applying a light coat of engine oil to the liner O-rings, pressing the liner in by hand or with a gentle press tool, and checking the liner protrusion height (typically 0.03-0.10 mm above the block deck). Always use new gaskets and follow the Caterpillar service manual for torque specifications.

Q3: How can I ensure maximum lifespan from this piston and liner set?

To maximize lifespan, use high-quality diesel fuel and API CJ-4 or CK-4 engine oil. Adhere to the manufacturer’s recommended oil change intervals (typically 250-500 hours). Avoid over-fueling or sustained high-load operation. Properly maintain the air filter and cooling system to prevent premature wear from dirt ingress or overheating.