High-strength alloy steel oil pump drive pinion heat-treated HRC 50-55 direct OEM replacement for Isuzu NPR 4BD1 engine

Name: High-strength alloy steel oil pump drive pinion heat-treated HRC 50-55 direct OEM replacement for Isuzu NPR 4BD1 engine
Brand: Yimi (Guangzhou) Automotive Parts Co, Ltd
SKU: ISUZU NPR
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: YIMI

Certification: ISO/TS16949

Model Number: ISUZU NPR

Trading Properties

Minimum Order Quantity: 10 pcs

Price: Negotiable

Payment Terms: T/T,

Supply Ability: 10000 pcs/month

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Specifications

Part Number:	8-94130420-0, 8941304200	Hardness:	HRC 50-55
Mounting Type:	Keyway Or Spline	Material:	High-strength Alloy Steel, Heat-treated
Engine Model:	ISUZU 4BD1 (3.9L Diesel)	Vehicle Model:	ISUZU NPR
Displacement:	3.9L (3856cc)	Cooling Type:	Engine Coolant Circulation
High Light:	High-strength alloy steel oil pump pinion , Heat-treated HRC 50-55 drive pinion , OEM replacement Isuzu NPR 4BD1 pinion

Product Description

Oil Pump Drive Pinion 8-94130420-0 For Isuzu NPR 4BD1 Engine 8941304200 Isuzu Truck Parts

Product Overview

The Oil Pump Drive Pinion (OEM Numbers: 8-94130420-0 / 8941304200) is a premium-quality, direct replacement engine lubrication component designed for Isuzu NPR medium-duty trucks equipped with the 4BD1 diesel engine (3.9L).

Part Number	8-94130420-0, 8941304200
Product Name	Oil Pump Drive Pinion / Oil Pump Driving Gear
Car Model	ISUZU NPR
Engine Model	ISUZU 4BD1 (3.9L Diesel)
Condition	100% Brand New
Origin	China Mainland
Warranty	6 Months

Oil Pump Drive Pinion for Isuzu 4BD1 Engine

Features & Advantages

OE Quality: Manufactured to Isuzu dimensional and material specifications
Precision Gear Teeth: Hobbed and ground for smooth, quiet operation
Heat-Treated: HRC 50-55 surface hardness for wear resistance
Restores Oil Pressure: Eliminates low oil pressure caused by worn drive gears
Direct Replacement: Matches OE tooth profile and mounting
Cost-Effective: Affordable alternative to genuine OEM gears

Oil Pump Drive Pinion technical specifications

Vehicle & Engine Compatibility

This oil pump drive pinion is specifically designed for Isuzu NPR trucks with 4BD1 engine.

Isuzu Truck Models:

ISUZU NPR (NPR59, NPR66, etc. with 4BD1)
May also fit other Isuzu engines using the same oil pump drive system - verify

Engine Specification - ISUZU 4BD1:

4-Cylinder, Inline Diesel
Displacement: 3.9L (3856cc)

Installation Notes

Installation steps (overview):

Remove the oil pan and access the oil pump assembly
Remove the old oil pump drive pinion from the crankshaft or pump shaft
Clean the shaft and keyway
Install the new pinion, aligning the key or spline
Torque retaining bolt/nut to specification
Reassemble oil pump and oil pan with new gasket
Refill engine oil, prime the system, and start engine
Check oil pressure

Quality Control

Material Verification: Alloy composition and hardness tested
Dimensional Inspection: Tooth profile, bore diameter, and runout verified
Hardness Testing: Surface hardness (HRC 50-55) confirmed
Visual Inspection: 100% checked for defects
Packaged Safely: Coated with anti-rust oil, wrapped in plastic, boxed with foam

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 Oil Pump Drive Pinion 8-94130420-0 For Isuzu NPR 4BD1 Engine 8941304200 Isuzu Truck Parts, please contact our sales team for a competitive quote and expert technical support.