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Product Details
Product Overview
This high-quality piston assembly, complete with pin and ring set, is specifically designed for Caterpillar 3508, 3512, and 3516 diesel engines. The part number 9Y4124 is a critical component for maintaining compression and power output in heavy-duty applications. This piston is commonly used in generator sets, industrial engines, and marine propulsion systems that rely on the Cat 3500 series platform.
Manufactured to OEM specifications, this piston ensures proper fitment and reliable performance in demanding environments. It is suitable for both replacement and overhaul applications where restoring original engine performance is the priority. The assembly includes all necessary components for a complete piston replacement on one cylinder.
For B2B buyers, this part offers a cost-effective solution for maintaining Caterpillar 3500 series engines in power generation, mining, construction, and marine operations. The 9Y4124 piston is a standard service part for scheduled maintenance and major overhauls.
Key Features & Benefits
Complete Assembly: Includes piston, piston pin, and ring set – everything needed for a single cylinder replacement, reducing procurement complexity.
OEM Specification: Manufactured to match original Caterpillar dimensions and tolerances for reliable fitment and performance.
Durable Construction: Designed to withstand high combustion pressures and temperatures typical in diesel generator and industrial engine operation.
Application Versatility: Compatible across multiple Caterpillar 3500 series engine models, simplifying inventory management for service workshops.
Test Report Available: Machinery test report provided with each shipment, offering quality assurance for international buyers.
Performance Focus: Engineered for fuel efficiency and reduced emissions in generator set and industrial engine applications.
Technical Specifications
Specification
Details
Part Number
9Y4124
Product Type
Piston with Pin and Ring
Engine Series
Caterpillar 3508, 3512, 3516
Engine Type
Diesel
Size
OEM Standard Size
Weight
8 kg
Material
High-grade Alloy Steel (Piston), Steel (Pin), Ductile Iron (Rings)
Warranty
6 Months
Inspection
Machinery Test Report Provided
Place of Origin
Guangdong, China
OEM Cross-Reference
This piston assembly is designed to replace or serve as an alternative to the following original equipment part numbers:
Equipment Types: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, and other heavy machinery
Fitment is based on engine model compatibility. For specific year and model verification, consult your engine service manual or contact our technical support team.
Global Supply & Distribution
We offer worldwide shipping capabilities to support international B2B customers in the heavy equipment and power generation sectors. Our distribution network covers major markets including North America, Europe, Asia-Pacific, the Middle East, South America, and Africa.
With stock held in Guangdong, China, we can provide fast delivery to major ports and industrial centers worldwide. Our logistics team coordinates with reliable freight forwarders to ensure timely shipment arrival at destinations such as Houston, Rotterdam, Dubai, Singapore, and Shanghai.
We have extensive export experience and comply with international trade regulations, providing proper documentation for customs clearance. Bulk orders and regular supply contracts are welcomed for maintenance programs and fleet operations.
Quality Assurance
Our manufacturing process follows strict quality control standards to ensure each piston assembly meets OEM specifications. All products undergo dimensional inspection and material verification before shipment.
Manufacturing Standard: ISO 9001 compliant production facility in Guangdong, China
Testing: Machinery test report provided for each batch, verifying critical parameters
Warranty: 6-month warranty against manufacturing defects
Quality Promise: Performance-oriented genuine engine parts with consistent quality across shipments
FAQ
Q1: How do I confirm this 9Y4124 piston fits my Caterpillar 3508 engine?
To confirm fitment, check your engine’s serial number and compare it with the Caterpillar 3500 series service manual. The 9Y4124 piston is standard for 3508, 3512, and 3516 engines used in generator set and industrial applications. We recommend verifying the cylinder bore size and compression height against your existing piston specifications. If you have any doubts, please contact our technical support team with your engine model and serial number for assistance.
Q2: Does this piston assembly come pre-installed with rings and pin?
Yes, this product includes the piston, piston pin, and ring set as a complete assembly. However, the rings are not pre-installed on the piston for shipping safety. You will need to install the rings onto the piston grooves during engine assembly. The piston pin is also separate and should be installed following standard engine rebuild procedures.
Q3: What maintenance should I perform when replacing pistons on a Caterpillar 3516 generator engine?
When replacing pistons, it is recommended to also inspect or replace cylinder liners, connecting rod bearings, and piston rings on all cylinders for balanced performance. Ensure proper ring gap clearance according to the engine service manual. After installation, perform a compression test and check for any abnormal noises during initial startup. For generator set applications, follow the manufacturer’s break-in procedure before applying full load.
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