The Connecting Rod Bushing for the Isuzu 4JB1 Engine is a precision-engineered component that provides a stable pivot point between the connecting rod and piston pin.
Made from high-strength alloy material, it offers excellent resistance to heat, friction, and deformation under heavy engine loads.
This bushing helps reduce wear on the connecting rod and piston pin, ensuring proper alignment and smooth engine operation. Ideal for engine rebuilds, overhauls, or as a high-quality replacement part in Isuzu trucks, vans, and industrial machinery using the 4JB1 diesel engine.
Manufactured to OEM specifications, it guarantees a perfect fit, consistent performance, and extended engine life.
⚙️ Key Features:
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OEM-quality connecting rod bushing for Isuzu 4JB1 engines
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Provides smooth movement between connecting rod and piston pin
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Made from wear-resistant alloy for maximum durability
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Heat-treated and precision-machined for a perfect fit
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Reduces friction and prevents engine knocking
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Ensures consistent oil lubrication and balance
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Ideal for engine rebuilds and replacements
🚚 Compatible Applications:
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Engine Models: Isuzu 4JB1, 4JB1T
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Vehicle Models: Isuzu NKR, NHR, NQR Trucks, Pickups, and Excavators
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Function: Connects the piston pin to the connecting rod while allowing smooth rotation under high engine loads
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Fitment: Direct OEM replacement
Frequently Asked Questions (FAQ)
1. What is the function of the connecting rod bushing?
⚙️ It provides a smooth bearing surface between the piston pin and connecting rod, reducing friction and allowing proper motion within the engine.
2. Is this bushing compatible with the turbocharged 4JB1T engine?
✅ Yes, this connecting rod bushing is suitable for both 4JB1 and 4JB1T engines.
3. What material is the bushing made from?
🧱 It is made from a high-strength copper or bronze alloy with precision machining for maximum wear resistance.
4. When should I replace the connecting rod bushing?
🔧 Replace the bushing during an engine overhaul or if you notice knocking sounds, excessive piston play, or scoring on the pin or rod surfaces.
5. Does it require professional installation?
👨🔧 Yes, for best results and correct clearance, installation by a professional mechanic is recommended.
6. Is this an OEM or aftermarket product?
✅ The connecting rod bushing is manufactured to OEM standards, ensuring precise fit and reliable performance.




