3-groove crankshaft pulley for Isuzu 4BG1 engines, ensuring stable belt drive and power transmission.
Compatible with Isuzu 4BG1 diesel engine
Designed for Hitachi ZAX120 excavator
3-groove (3-slot) pulley for multi-belt drive
Ensures stable power transmission to engine accessories
High-strength metal construction with wear resistance
Precision-machined for accurate fit and balance
Reduces belt vibration and slippage
Ideal OEM replacement for engine belt drive systems
The YNF16931 Crankshaft Pulley is designed for Isuzu 4BG1 diesel engines used in Hitachi ZAX120 excavators. As a key component of the engine belt drive system, this 3-groove crankshaft pulley transfers rotational power from the crankshaft to multiple engine accessories such as the alternator, water pump, and cooling fan.
Manufactured from high-strength metal material and precision-machined to OEM specifications, the pulley provides excellent durability, accurate alignment, and stable operation under continuous heavy-duty conditions. Its balanced design helps reduce vibration, minimize belt wear, and improve overall belt drive efficiency.
Commonly replaced during engine overhaul or belt system maintenance, the YNF16931 crankshaft pulley ensures reliable accessory drive performance and helps extend the service life of belts and connected components in demanding construction environments.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF16931 |
| Product Name | Crankshaft Pulley |
| Engine Model | Isuzu 4BG1 |
| Machine Model | Hitachi ZAX120 |
| Groove Type | 3 Groove / 3 Slot |
| Application | Engine belt drive system |
| Material | High-strength metal |
| Function | Power transmission to engine accessories |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Method | Air / Sea / Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Hitachi ZAX120 Excavator | Drives engine accessories via belt system |
| Isuzu 4BG1 Diesel Engine | Core component of crankshaft belt drive |
| Excavator Engine System | Ensures stable and efficient power transmission |
| Engine Overhaul & Repair | Common replacement during belt system maintenance |
| Aftermarket Parts Supply | Suitable for dealers and global distributors |
Related Products:
Engine Belts
Belt Tensioner & Idler Pulley
Engine Water Pump
Alternator & Fan Drive Components
Isuzu Engine Spare Parts
FAQs:
Q: How many grooves does this pulley have?
A: It has 3 grooves (3 slots).
Q: Is it suitable for Hitachi ZAX120?
A: Yes, designed for ZAX120 with Isuzu 4BG1 engine.
Q: Is this an OEM-standard replacement?
A: Yes, manufactured according to OEM specifications.
Q: What is the MOQ?
A: 1 piece.
The YNF16931 4BG1 Crankshaft Pulley is engineered for reliable performance in Hitachi ZAX120 excavators. With a durable 3-groove design and precision machining, it ensures stable belt drive, reduces vibration, and protects engine accessories. YNF Machinery provides consistent quality, competitive pricing, and worldwide shipping. Contact us today for your best quotation.
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