4D88 4TNV88 4TNE88 Connecting Rod Bearing 129150-23601 — Engine Spare Part
The 129150-23601 connecting rod bearing is specifically designed for the Yanmar 4D88 series diesel engines, while also being compatible with the 4TNE88 and 4TNV88 platforms. Precision-machined from high-strength alloys, it offers exceptional resistance to wear and high temperatures. It effectively minimizes friction between the piston and connecting rod, ensuring stable engine operation under heavy loads, and is widely applicable in construction machinery, agricultural equipment, and generator sets.
4D88 Engine Connecting Rod Bearing Specifications
| Product Name |
4D88 Connecting Rod Bearing |
| Part Number |
129150-23601 |
| Material |
Aluminum Alloy or Copper Alloy Composite |
| Dimensions |
STD |
| Minimum Order Quantity |
1 set |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Interchangeable Part Numbers: 129150-23611, 129150-23621, 129150-02881, 129150-02930, 129150-23600, 129001-02930
Compatible Models
Engines: 4D88, 4TNE88, 4TNV88
Features and Advantages
High Wear Resistance: Utilizes aluminum alloy or copper-based composite materials to extend bearing service life.
Precision Machining: Strict tolerance control ensures smooth connecting rod movement and reduces vibration.
Excellent High-Temperature Resistance: Capable of withstanding continuous heavy loads and high-temperature operating conditions.
Enhanced Engine Efficiency: Reduces frictional losses and optimizes fuel consumption.

4D88 Diesel Engine Connecting Rod Bearing Replacement Part 129150-23601
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |


Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Engine Connecting Rod Bearing compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Q6: Can I directly install the standard (STD) 129150-23601 bearing onto an old 4TNV88 crankshaft?
A6: You may use the STD 129150-23601 bearing only if the crankshaft's connecting rod journal is perfectly round, free of scratches, and its dimensions fall within the original factory standard range. If the journal shows signs of scratching or minor seizure damage, the crankshaft must be ground down, and an oversized bearing selected to match the new diameter.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.