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ISUZU Oil Pump Assembly 8-97147338-0 8971473380 for NPR66 4HF1 — 1.2kg OEM Standard
Product Overview
The ISUZU Oil Pump Assembly with OEM numbers 8-97147338-0 / 8971473380 is a precision-engineered replacement designed for ISUZU NPR66 series trucks, compatible with 4HF1 diesel engines. This component is a core part of the engine's lubriion system — the Oil Pump Assembly (PUMP ASM; OIL) — responsible for pressurizing and circulating engine oil to all critical moving parts.
Numbering Note: This product number is 8-97147338-0 / 8971473380. Associated numbers include 8-98017585-0 / 8980175850 and L210-0033S. The right-hand version is 8-97147338-1 / 8971473381. Brands include IZUMI and BZLP. A factory number 8-97147338-GQ also exists. Please verify the specific number based on actual vehicle configuration.
Working Principle
The oil pump is the "heart" of the engine's lubriion system, typically driven by the crankshaft via gears or a chain. Its working principle includes:
Oil Intake: The oil pump draws oil from the oil pan through the inlet port.
Pressurization: Internal gears or rotors pressurize the oil and deliver it to the engine's main oil gallery.
Forced Lubriion: Pressurized oil flows through the engine's internal oil passages to all friction points — crankshaft main journals, connecting rod big ends, camshaft journals, valve rockers, and more.
Cooling & Cleaning: The flowing oil also carries away friction-generated heat and metal particles, which are filtered through the oil filter before recirculation.
Failure Symptoms
Inspect immediately if any of these symptoms occur:
Insufficient oil circulation; unable to effectively dissipate heat
Clogged oil pump strainer found during oil pan removal
Oil pump unable to draw oil properly
Product Specifiions
Product Certifiion
Manufactured under ISO/TS16949 automotive quality management system certifiion
Brand Background
Supplied by IZUMI and BZLP brands with 20 years of ISUZU auto parts industry experience
Net Weight
1.2kg (Some suppliers list 1.3kg)
Product Dimensions
41 × 39 × 30 cm
HS Code
841330000
Material
Metal
Quality Grade
High Quality
Compatible Engines
ISUZU 4HF1, 4HE1, 4HG1, 4HK1
Extended Engine Compatibility
ISUZU 4HF1-2, 4HE1-T, 4HE1-TC, 4HG1-T
Compatible Models
ISUZU NPR66, NKR, NPR, NQR, NRR
Condition
Brand New — 100% quality inspected
Warranty
1 year
Supply Capacity
10000 sets/month
Delivery Time
5–8 working days
Vehicle & Engine Compatibility
Primary Appliions
Brand
Model
Chassis
Compatible Engine
Years
Displacement
ISUZU
NPR
NPR66
4HF1
1999–2009
4.3L
ISUZU
NPR
NPR
4HE1
1998–2004
4.8L
ISUZU
NPR
NPR
4HG1T
2000–2016
4.6L
ISUZU
NPR
NPR
4HK1
2005–2009
5.2L
ISUZU
NPR-HD
—
4HE1 / 4HK1
1999–2010
4.8L / 5.2L
ISUZU
NQR
—
4HE1 / 4HK1
1998–2010
4.8L / 5.2L
ISUZU
NRR
—
4HK1
2005–2010
5.2L
Data Source Note: Years and displacement data above are based on industry-standard compatibility data. Please verify actual vehicle nameplate for specific model years.
Important Fitment Warnings
Number Confirmation: This product number is 8-97147338-0 / 8971473380. Associated numbers include 8-98017585-0 / 8980175850 and L210-0033S. Verify the specific number on the original part before ordering.
Associated Components: When replacing the oil pump, it is recommended to replace the oil filter simultaneously and thoroughly clean the oil pan and strainer.
Installation Torque: Refer to ISUZU 4H series engine factory workshop manual for oil pump mounting bolt torque specifiions.
Oil Fill: After oil pump replacement, fill with the correct capacity of API-standard diesel engine oil and check oil pressure.
Break-in: Allow the engine to idle briefly after installation to check for abnormal noise and leaks.
Professional Installation: The oil pump is a critical engine lubriion system component — professional installation is strongly recommended.
Features & Benefits
ISO/TS16949 Quality Management Certified
Internationally recognized automotive industry quality standard — ensures full-process quality control
IZUMI / BZLP Brand Professional Supply (20 Years Experience)
Mature production systems and extensive industry experience — provides global customers with reliable automotive parts solutions
Precision Metal Construction
Excellent wear resistance and fatigue strength for long-term reliable operation under high-speed, high-load conditions — engineered for ISUZU 4H series engine appliions
100% Factory Quality Inspection
Every piece undergoes strict quality inspection — 100% tested
Broad OEM Cross-Compatibility
Replaces OEM numbers 8-97147338-0 / 8971473380; compatible with 8-98017585-0, 8980175850, L210-0033S and other numbers — simplifies sourcing for repair shops
IMPORTANT SAFETY NOTICE: The oil pump is a critical engine lubriion system component — improper installation may cause severe engine damage. Professional installation is strongly recommended.
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 ...
