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Connecting Rod Assembly 8-98013962-0 For ISUZU 4JB1 TFR55 Engine 8980139620 8980132902
Product Overview
Precision-forged connecting rod assembly connects the piston to the crankshaft, converting reciproing motion into rotary motion for efficient power delivery in ISUZU 4JB1 diesel engines.
Precision Machining: Bearing surfaces ground to exacting tolerances for proper fitment and reliable operation
No-Nut Design: Simplifies installation and maintenance
Restores Engine Balance: Replaces worn or damaged rods to restore proper engine balance and smooth operation
Ensures Reliable Power Transfer: Proper connecting rod function is essential for efficient power delivery
Direct Replacement: Simple installation during engine rebuild or overhaul
Long Service Life: Engineered to withstand the extreme forces of diesel engine operation
Vehicle & Engine Compatibility
This connecting rod assembly is specifically designed for ISUZU vehicles and equipment equipped with the 4JB1 engine.
Common Appliions:
ISUZU TFR55 - Pickup Trucks
ISUZU TFS55 - Pickup Trucks
ISUZU NPR - Light to Medium-Duty Trucks
ISUZU NKR - Light to Medium-Duty Trucks
Industrial Appliions - Forklifts, generators, compressors, and various equipment using 4JB1 engines
ISUZU 4JB1 Engine Specifiions:
4-Cylinder, Inline Diesel
Displacement: 2.8L (2771cc)
Naturally Aspirated / Turbocharged (4JB1T)
Valvetrain: OHV
Widely used in TFR55, NPR, NKR, and various industrial appliions
Installation Notes
Professional installation required. Proper assembly is critical for engine reliability:
Disconnect battery - Disconnect the negative battery cable before beginning work
Drain engine oil and coolant - Drain fluids as necessary
Remove the cylinder head - Remove the cylinder head for access to the piston and connecting rod
Remove the oil pan - Remove the oil pan for access to the crankshaft and connecting rod bolts
Remove the old connecting rod - Mark the cylinder position, remove the connecting rod cap, and carefully push the piston/rod assembly out
Inspect the crankshaft journal - Check for wear, scoring, or damage; polish or replace if necessary
Inspect the piston pin - Check for wear or damage; replace if necessary
Clean thoroughly - Clean all components and oil passages
Prepare the new connecting rod - Inspect the new rod and verify it matches the original
Install new bearings - Install new connecting rod bearings (upper and lower)
Install the piston and rod assembly - Carefully install the piston/rod assembly into the cylinder
Install the connecting rod cap - Install the rod cap and torque bolts to manufacturer specifiion
Check bearing clearance - Verify bearing clearance using plastigauge (per service manual)
Reinstall the oil pan - Install the oil pan with a new gasket
Reinstall the cylinder head - Install the cylinder head with a new head gasket
Refill fluids - Refill with the correct type and grade of engine oil and coolant
Reconnect battery - Reconnect the negative battery cable
Start the engine - Start the engine and check for unusual noise or vibration
Break-in procedure - Follow the manufacturer's recommended break-in procedure
Quality Control
Material Verifiion: Confirms forged alloy steel composition meets OE strength and durability specifiions
Dimensional Inspection: Center-to-center length, big end bore, small end bore, and overall dimensions verified against OEM tolerances
Surface Finish Inspection: Bearing surfaces checked for proper finish and roundness
Hardness Testing: Material hardness verified for wear resistance and durability
Crack Detection: Non-destructive testing for forging defects or cracks
Visual Inspection: 100% checked for defects, machining flaws, or damage
Packaged Safely: Protected and securely packaged to prevent damage during transit
Packaging and Delivery
Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Connecting Rod Assembly 8-98013962-0 For ISUZU 4JB1 TFR55 Engine 8980139620 8980132902, please contact our sales team for a competitive quote and expert technical support.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
