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ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
Specifications
Payment Terms :
T/T
Main Journal Diameter :
76 mm
Model Number :
NPR 4BE1
Connecting Rod Journal Diameter :
64 mm
MOQ :
20 PCS
Delivery Time :
5-8 Work Days
Hardness :
HRC 45–58
Packaging Details :
Neutral Package or as customers’ request
Price :
Negotiable
Net Weight :
35–36 kg
Certification :
ISO/TS16949
Overall Length :
648 mm
Supply Ability :
10000 pcs/month
Material :
Forged Steel / Cast Iron
Brand Name :
YIMI
Engine Displacement :
3,636 cc
Place of Origin :
CHINA
Eccentric Diameter :
52.5 mm
Description
ISUZU NPR 4BE1 Engine Crankshaft 8-94416373-2 8944163732 OEM Fit

Engine Crankshaft 8-94416373-2 8944163732 for ISUZU NPR ELF 150 250 4BE1 3.6L — Verified OEM Fit Forged Steel Crankshaft Assembly

The Engine Crankshaft with OEM numbers 8-94416373-2 and 8944163732 is a verified direct-fit replacement for ISUZU NPR / ELF 150 / ELF 250 / N-Series light trucks and MU-X utility vehicles equipped with the 4BE1 3.6L diesel engine. This crankshaft is the core rotating component of the engine, responsible for converting the linear reciprocating motion of the pistons and connecting rods into rotational torque that drives the vehicle's drivetrain and accessories.

Working Principle

The crankshaft is the most critical component in the engine's power conversion process. It receives force from the connecting rods and converts it into torque, which is transmitted through the crankshaft to drive the vehicle and operate engine accessories. The crankshaft must have sufficient strength and rigidity, and its journal surfaces must be wear-resistant, uniform, and balanced.

The 4BE1 engine is a 3.6L four-cylinder direct-injection diesel engine widely used in ISUZU ELF/NPR trucks from 1990 to 2024. The 8-94416373-2 crankshaft features a forged steel construction with hardened and polished bearing journals, balanced counterweights, and precision oil passages to ensure smooth engine rotation, stable combustion timing, and long service life in commercial diesel applications.

Failure Symptoms

Replace the crankshaft when any of these symptoms appear:

  • Heavy knocking noise from the bottom end of the engine — worn main bearings or connecting rod bearings allow excessive crankshaft movement.
  • Abnormal engine vibration — imbalance, wear, or scoring on the crankshaft journals causes vibration throughout the engine operating range.
  • Low oil pressure — worn crankshaft journals increase bearing clearance, reducing oil pressure and triggering the warning light.
  • Metal debris in the oil pan — bearing material particles indicate crankshaft journal wear or scoring.
  • Engine seizing or inability to rotate — severe bearing failure or thrust bearing wear can seize the crankshaft.
⚠️ Critical Inspection Note: ISUZU service manuals require that the crankshaft be inspected for journal roundness, taper, and surface finish during any engine overhaul. If journals are out of specification, the crankshaft must be replaced or reground to undersize dimensions with matching bearings.
Technical Specifications
Verification Item Data / Standard Source / Method
Part Number (Short) 8-94416373-2 ISUZU OEM Parts Database
Part Number (Long) 8944163732 ISUZU OEM Parts Database
Part Name Crankshaft ISUZU EPC
Engine Compatibility 4BE1 (3.6L, 4-cylinder, DI) ISUZU application catalog
Vehicle Models ISUZU NPR / ELF 150 / ELF 250 / N-Series / MU-X ISUZU application catalog
Eccentric Diameter 52.5 mm Lange Machinery specification
Main Journal Diameter 76 mm Lange Machinery specification
Connecting Rod Journal Diameter 64 mm Lange Machinery specification
Overall Length 648 mm Lange Machinery specification
Material Forged Steel / Cast Iron Product specification
Hardness HRC 45 -58 Product specification
Net Weight 35 -36 kg Product specification
Package Size 72 × 20 × 18 cm Product specification
Cylinders 4 Product specification
Displacement 3,636 cc HECLES specification
Warranty 12 Months Manufacturer standard
Certification ISO/TS 16949 Third-party system audit
OEM Cross-Reference
Type Number
Primary OEM — Short 8-94416373-2
Primary OEM — Long 8944163732
Alternate Format 8-94416-373-2
Related Crankshaft — 4BC2 5123101610
Related Crankshaft — 4BD1 5123101630
Related Crankshaft — 4BG1 8-97112-981-2
Related Crankshaft — 4HF1 8-97033-171-2
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
Part Number:
8-94416373-2 8944163732
Product Name:
Crankshaft
Car Model:
NPR
Engine Model:
4BE1
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
Material:
High-strength aluminum alloy & precision bearings
Cooling Type:
Engine coolant circulation
Installation:
Direct OEM replacement
Quality Standard:
OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
Brand Model Chassis Engine Years
ISUZU ELF 150 N-Series 4BE1 1990-2024
ISUZU ELF 250 N-Series 4BE1 1990-2024
ISUZU NPR NPR 4BE1 1990-2024
ISUZU MU-X -- 4BE1 1990-2024
ISUZU N-Series -- 4BE1 1990-2024
⚠️ Important Fitment Notes:
  • This crankshaft is designed for the 4BE1 3.6L engine family. Confirm your specific engine model and year before ordering.
  • The crankshaft journal dimensions are: Eccentric 52.5 mm, Main Journal 76 mm, Connecting Rod Journal 64 mm, Overall Length 648 mm. Verify these dimensions against your original component.
  • For engines that have been previously reground, verify the current journal diameter before ordering a standard-size crankshaft.
  • For right-hand drive (RHD) vehicles, verify clearance and routing. Refer to the ISUZU workshop manual for the correct procedure.
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ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining

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Product Detail
Payment Terms :
T/T
Main Journal Diameter :
76 mm
Model Number :
NPR 4BE1
Connecting Rod Journal Diameter :
64 mm
MOQ :
20 PCS
Delivery Time :
5-8 Work Days
Contact Supplier
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining
ISUZU 4BE1 Engine Crankshaft Assembly with Forged Steel Construction and Precision Journal Machining

Yimi (Guangzhou) Automotive Parts Co, Ltd

Verified Supplier
3 Years
guangzhou
Since 2005
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Isuzu Cars Parts, Isuzu Engine Parts, Isuzu Chassis Parts
Total Annual :
8000000-10000000
Employee Number :
100~150
Certification Level :
Verified Supplier
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