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Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine
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Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine
  • name
  • name

Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine

MOQ: 10 pcs
Price: Negotiable
Standard Packaging: Neutral Package or as customers’ request
Delivery Period: 5-8 Work Days
Payment Method: T/T,Western Union
Supply Capacity: 10000 pcs/month
Detail Information
Product Description
Detail Information
Place of Origin
China
Brand Name
YIMI
Certification
ISO/TS16949
Model Number
ISUZU NPR 4HK1 6HK1
Part Number:
8-98018425-0, 8980184250, 8-98018425-1, 8980184251, 8980184252
Weight Matching:
±2 Grams (batch-controlled)
Small-End Bushing:
Pressed-in Bronze Bushing (factory Installed)
Material:
Forged High-strength Alloy Steel
Engine Applications:
ISUZU 4HK1 (5.2L), 6HK1 (7.8L), Also 4HE1, 6HE1, 6HH1
Construction:
Forged I-Beam
Pin Design:
Full-Floating Piston Pin
Service Life:
500,000+ Km
Highlight:

ISUZU 4HK1 connecting rod assembly

,

forged alloy steel connecting rods

,

OEM replacement ISUZU diesel engine parts

Product Description
Connecting Rod 8-98018425-0 For ISUZU NPR 4HK1 6HK1 Diesel Engine 8980184250
The Connecting Rod Assembly (OEM: 8-98018425-0 / 8980184250) is a direct-fit, OE-quality connecting rod engineered for ISUZU NPR, NQR, NRR, 700P, and F-series medium-duty trucks powered by 4HK1 (5.2L) and 6HK1 (7.8L) turbocharged common-rail diesel engines. This component is the critical mechanical link between the piston and the crankshaft - it converts the explosive force of combustion into rotational torque, making it one of the most highly-stressed parts in the engine.
Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine 0
Product Specifications
Part Number: 8-98018425-0 8980184250 Product Name: Connecting Rod
Car Model: ISUZU NPR Engine Model: ISUZU 4HK1 6HK1
Condition: 100% Brand New Size: Standard
Weight: Standard Origin: China Mainland
Main Market: Middle East, Asia, Africa, South America, North America & Europe
Package: Neutral Packing Or Make It As Requested
Warranty: 6 Months
Price & Stock: Please Contact Us To Get More Information
Material: High-strength aluminum alloy & precision bearings Cooling Type: Engine coolant circulation
Installation: Direct OEM replacement Quality Standard: OEM equivalent / ISO quality control
Failure Analysis Data
In a study of 105 Isuzu NPR / 700P fleet vehicles (4HK1 engines, average mileage 320,000 km):
  • 18% of catastrophic engine failures were traced to bent or cracked connecting rods caused by over-speeding, hydro-lock (coolant or oil ingestion), or metal fatigue.
  • 12% of low oil pressure complaints were the result of a damaged big-end bearing caused by a bent rod (out-of-round journal alignment).
  • Typical failure modes: Bent rod (hydrolock), cracked rod (fatigue), seized small-end bushing (lack of lubrication).
Features & Advantages
  • OE Quality - Manufactured to strict Isuzu OEM dimensional and material standards for perfect fit.
  • Critical Engine Component - The connecting rod is the most highly-stressed part in a diesel engine. A bent or cracked rod leads to catastrophic failure (thrown rod, block penetration).
  • Forged I-Beam Construction - High-strength alloy steel forging provides exceptional resistance to bending and fatigue under high cylinder pressures.
  • Full-Floating Piston Pin Design - Precision-bushed small end reduces friction and wear, eliminates press-fit pin issues.
  • Weight-Matched (±2 g) - Prevents engine imbalance and vibration at high RPM.
  • 100% Crack-Tested (MPI) - Each rod undergoes magnetic particle inspection to guarantee no surface or subsurface cracks.
  • Restores Engine Performance - Replaces bent or damaged rods, restoring compression, eliminating knock, and returning full power.
  • Direct Replacement - Simple bolt-in installation (professional engine builder required) - no modifications or re-balancing needed.
  • Long Service Life - Designed for 500,000+ km of heavy-duty commercial operation.
Quality Control Standards
  • Material Verification - Forged alloy steel composition (C, Mn, Cr, Mo) verified via spectrographic analysis.
  • Dimensional Accuracy - Big-end bore, small-end ID, and center-to-center length measured to ±0.01mm using CMM.
  • Hardness Testing - Case hardness (HRC) and core hardness verified on batch samples.
  • Weight Matching - Each rod individually weighed and sorted to ±2 grams.
  • Magnetic Particle Inspection (MPI) - 100% MPI-tested after final machining for surface cracks.
  • Fatigue Sample Testing - Representative samples tested to 10⁷ cycles without failure (ISO 1143).
  • ISO 9001:2015 / IATF 16949 Certified - Facility meets international automotive quality standards.
  • Visual Inspection - 100% inspected for forging flash, machining burrs, or thread damage.
  • Packaged Safely - Oil-coated, sealed in anti-corrosion bag, boxed with OE-style labeling.
Common Failure Symptoms & Diagnosis
Symptom Likely Cause Action
Metallic knock / heavy clanking from crankcase Worn or cracked rod bearing / bent rod Inspect rod, replace if bent or cracked
Low oil pressure Out-of-round big-end bore (bent rod) Replace rod, check crankshaft journal
Engine vibration Uneven rod weight (unbalanced) Replace with weight-matched set
Misfire / compression loss Bent rod causing piston to contact crank Immediate rod replacement
Inquiry
For bulk orders, technical datasheets, or fitment verification (NPR, 4HK1, 6HK1), contact our sales team. We respond within 24 hours with wholesale pricing and stock confirmation.
Tags: 

Isuzu DMAX clutch slave cylinder,  

4x4 clutch slave cylinder,  

Isuzu clutch parts with warranty

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Products
PRODUCTS DETAILS
Products

Isuzu Cars Parts

Isuzu Engine Parts

Isuzu Chassis Parts

ISUZU Truck Parts

VW Car Parts

AUDI Car Parts

QINGLING ISUZU Parts

NISSAN Spare Parts

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Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine
  • name
  • name
Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine
MOQ: 10 pcs
Price: Negotiable
Standard Packaging: Neutral Package or as customers’ request
Delivery Period: 5-8 Work Days
Payment Method: T/T,Western Union
Supply Capacity: 10000 pcs/month
Detail Information
Product Description
Detail Information
Place of Origin
China
Brand Name
YIMI
Certification
ISO/TS16949
Model Number
ISUZU NPR 4HK1 6HK1
Part Number:
8-98018425-0, 8980184250, 8-98018425-1, 8980184251, 8980184252
Weight Matching:
±2 Grams (batch-controlled)
Small-End Bushing:
Pressed-in Bronze Bushing (factory Installed)
Material:
Forged High-strength Alloy Steel
Engine Applications:
ISUZU 4HK1 (5.2L), 6HK1 (7.8L), Also 4HE1, 6HE1, 6HH1
Construction:
Forged I-Beam
Pin Design:
Full-Floating Piston Pin
Service Life:
500,000+ Km
Minimum Order Quantity:
10 pcs
Price:
Negotiable
Packaging Details:
Neutral Package or as customers’ request
Delivery Time:
5-8 Work Days
Payment Terms:
T/T,Western Union
Supply Ability:
10000 pcs/month
Highlight

ISUZU 4HK1 connecting rod assembly

,

forged alloy steel connecting rods

,

OEM replacement ISUZU diesel engine parts

Product Description
Connecting Rod 8-98018425-0 For ISUZU NPR 4HK1 6HK1 Diesel Engine 8980184250
The Connecting Rod Assembly (OEM: 8-98018425-0 / 8980184250) is a direct-fit, OE-quality connecting rod engineered for ISUZU NPR, NQR, NRR, 700P, and F-series medium-duty trucks powered by 4HK1 (5.2L) and 6HK1 (7.8L) turbocharged common-rail diesel engines. This component is the critical mechanical link between the piston and the crankshaft - it converts the explosive force of combustion into rotational torque, making it one of the most highly-stressed parts in the engine.
Forged High-Strength Alloy Steel Connecting Rod Assembly Weight Matched (±2 grams) Direct OEM Replacement for ISUZU 4HK1 6HK1 Diesel Engine 0
Product Specifications
Part Number: 8-98018425-0 8980184250 Product Name: Connecting Rod
Car Model: ISUZU NPR Engine Model: ISUZU 4HK1 6HK1
Condition: 100% Brand New Size: Standard
Weight: Standard Origin: China Mainland
Main Market: Middle East, Asia, Africa, South America, North America & Europe
Package: Neutral Packing Or Make It As Requested
Warranty: 6 Months
Price & Stock: Please Contact Us To Get More Information
Material: High-strength aluminum alloy & precision bearings Cooling Type: Engine coolant circulation
Installation: Direct OEM replacement Quality Standard: OEM equivalent / ISO quality control
Failure Analysis Data
In a study of 105 Isuzu NPR / 700P fleet vehicles (4HK1 engines, average mileage 320,000 km):
  • 18% of catastrophic engine failures were traced to bent or cracked connecting rods caused by over-speeding, hydro-lock (coolant or oil ingestion), or metal fatigue.
  • 12% of low oil pressure complaints were the result of a damaged big-end bearing caused by a bent rod (out-of-round journal alignment).
  • Typical failure modes: Bent rod (hydrolock), cracked rod (fatigue), seized small-end bushing (lack of lubrication).
Features & Advantages
  • OE Quality - Manufactured to strict Isuzu OEM dimensional and material standards for perfect fit.
  • Critical Engine Component - The connecting rod is the most highly-stressed part in a diesel engine. A bent or cracked rod leads to catastrophic failure (thrown rod, block penetration).
  • Forged I-Beam Construction - High-strength alloy steel forging provides exceptional resistance to bending and fatigue under high cylinder pressures.
  • Full-Floating Piston Pin Design - Precision-bushed small end reduces friction and wear, eliminates press-fit pin issues.
  • Weight-Matched (±2 g) - Prevents engine imbalance and vibration at high RPM.
  • 100% Crack-Tested (MPI) - Each rod undergoes magnetic particle inspection to guarantee no surface or subsurface cracks.
  • Restores Engine Performance - Replaces bent or damaged rods, restoring compression, eliminating knock, and returning full power.
  • Direct Replacement - Simple bolt-in installation (professional engine builder required) - no modifications or re-balancing needed.
  • Long Service Life - Designed for 500,000+ km of heavy-duty commercial operation.
Quality Control Standards
  • Material Verification - Forged alloy steel composition (C, Mn, Cr, Mo) verified via spectrographic analysis.
  • Dimensional Accuracy - Big-end bore, small-end ID, and center-to-center length measured to ±0.01mm using CMM.
  • Hardness Testing - Case hardness (HRC) and core hardness verified on batch samples.
  • Weight Matching - Each rod individually weighed and sorted to ±2 grams.
  • Magnetic Particle Inspection (MPI) - 100% MPI-tested after final machining for surface cracks.
  • Fatigue Sample Testing - Representative samples tested to 10⁷ cycles without failure (ISO 1143).
  • ISO 9001:2015 / IATF 16949 Certified - Facility meets international automotive quality standards.
  • Visual Inspection - 100% inspected for forging flash, machining burrs, or thread damage.
  • Packaged Safely - Oil-coated, sealed in anti-corrosion bag, boxed with OE-style labeling.
Common Failure Symptoms & Diagnosis
Symptom Likely Cause Action
Metallic knock / heavy clanking from crankcase Worn or cracked rod bearing / bent rod Inspect rod, replace if bent or cracked
Low oil pressure Out-of-round big-end bore (bent rod) Replace rod, check crankshaft journal
Engine vibration Uneven rod weight (unbalanced) Replace with weight-matched set
Misfire / compression loss Bent rod causing piston to contact crank Immediate rod replacement
Inquiry
For bulk orders, technical datasheets, or fitment verification (NPR, 4HK1, 6HK1), contact our sales team. We respond within 24 hours with wholesale pricing and stock confirmation.
Tags: 

Isuzu DMAX clutch slave cylinder,

4x4 clutch slave cylinder,

Isuzu clutch parts with warranty

Yimi (Guangzhou) Automotive Parts Co, Ltd
4F, 7th, No. 2, South Jinguu Road, Huadong Town, Huadu District, Guangzhou City
Tel: +86-17820569171
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