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ISUZU Valve Cover Gasket 8-97105690-2 8971056902 for NPR 4HF1 4HE1 — OEM Quality Engine Seal Component
Product Overview
The ISUZU Valve Cover Gasket with OEM numbers 8-97105690-2 / 8971056902 is a precision-engineered replacement designed for ISUZU NPR series trucks, compatible with 4HF1 and 4HE1 diesel engines. This component seals the joint between the cylinder head cover and the cylinder head.
Numbering Note: This product number is 8-97105690-2 / 8971056902, also listed as 8-97105-690-2. It is also compatible with 4HG1T engines and NPR66, NPR70, NQR models. The gasket features 15 bolt holes. Please verify the specific number based on actual vehicle configuration.
Product Specifications
Part Number:
8-97105690-2 8971056902
Product Name:
Valve Cover Gasket
Car Model:
NPR
Engine Model:
4HF1 4HE1
Condition:
100% Brand New
Origin:
China Mainland
Material:
High-strength aluminum alloy & precision bearings
Working Principle
The valve cover gasket is a sealing component installed between the cylinder head cover and the cylinder head. Its working principle includes:
Oil Sealing: Creates a reliable seal between the cover and cylinder head to prevent oil leakage
Heat Resistance: Manufactured from specialized heat-resistant and oil-resistant materials for high-temperature engine environments
Contaminant Prevention: Prevents external dust, moisture, and other contaminants from entering the valve train area
Tolerance Compensation: Compensates for manufacturing tolerances and thermal expansion between the cover and cylinder head
Failure Symptoms
Inspect immediately if any of these symptoms occur:
Symptom
Probable Cause
Visible oil leakage around the cylinder head cover
Worn or hardened gasket; loss of sealing capability
Increased oil consumption without blue smoke from exhaust
Oil leaking from the cover gasket
Burning oil smell during engine operation
Leaked oil dripping onto hot exhaust components
Visual inspection shows hardened, cracked, or deformed gasket
Material aging from long-term high-temperature exposure
Loose cylinder head cover bolts
Gasket compression set reducing bolt preload
Vehicle & Engine Compatibility
Brand
Model Series
Compatible Engine
Years
ISUZU
NPR
4HF1, 4HE1
1998–2015
ISUZU
NPR-HD
4HF1, 4HE1
1998–2015
ISUZU
NQR
4HF1, 4HE1
1998–2015
Important Fitment Warnings:
Verify the specific part number on the original part before ordering
Thoroughly clean the cylinder head cover and cylinder head mating surfaces before installation
This gasket features 15 bolt holes - verify matching bolt hole count
Refer to ISUZU factory workshop manual for proper torque specifications
Professional installation is recommended for this critical engine sealing component
Features & Benefits
OEM Quality / Genuine Parts
Manufactured to ISUZU original specifications — ensures perfect fitment for 4HF1/4HE1/4HG1T engines
15-Hole Precision Design
Precise bolt hole layout ensures perfect fitment with 4HF1/4HE1 engine cylinder head covers
Heat & Oil Resistant Material
Excellent heat and oil resistance for long-term reliable operation under high-temperature conditions
100% Factory Quality Inspection
Every piece undergoes strict quality inspection — 100% tested before delivery
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 ...