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ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P
ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P
ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P
ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P
Specifications
MOQ :
20 PCS
Payment Terms :
T/T
Material :
Heat-resistant, Oil-resistant rubber
Model Number :
FVZ34 FSR FTR 6HK1
Installation Position :
Between cylinder head cover and cylinder head
Delivery Time :
5-8 Work Days
Part Type :
Engine Sealing Component / Valve Cover Seal
Price :
Negotiable
Compatible Engines :
ISUZU 6HE1, 4HK1, 4HF1, 4HG1, 6HK1
Certification :
ISO/TS16949
OEM Part Number :
8-94399605-0 / 8943996050
Place of Origin :
CHINA
Model Years :
1994–2026
Supply Ability :
10000 pcs/month
Packaging Details :
Neutral Package or as customers’ request
Reference Format :
8-94399-605-0
Brand Name :
YIMI
Description
ISUZU Cylinder Head Rubber Plug 8-94399605-0 8943996050 for FVR 6HE1 700P — OEM Standard Engine Seal

ISUZU Cylinder Head Rubber Plug 8-94399605-0 8943996050 Compatible with FVR 6HE1 700P 4HK1 4HF1 4HG1 Engine — OEM Standard Valve Cover Seal

The ISUZU Cylinder Head Rubber Plug with OEM numbers 8-94399605-0 / 8943996050 is a precision-engineered replacement designed for ISUZU FVR and 700P series heavy/medium-duty trucks, compatible with 6HE1 diesel engines. This component is a core sealing part of the engine — the Cylinder Head Rubber Plug (PLUG; CYL HD COVER) — responsible for sealing openings in the cylinder head cover to prevent oil leaks and contamination.

Numbering Note: This product number is 8-94399605-0 / 8943996050, also listed as 8-94399-605-0. Same-series numbers include 8-94399605-1 / 8943996051. Cross-reference numbers include 8978487570 and 8981638130. Brands include IZUMI and BZLP. Please verify the specific number based on actual vehicle configuration.
Working Principle

The cylinder head rubber plug (also known as "valve cover rubber plug" or "half-moon seal") is a sealing component installed on the cylinder head cover. Its working principle includes:

  • Oil Sealing: The cylinder head cover houses oil for lubricating the valve train. The rubber plug creates a reliable seal at the cover openings to prevent oil leakage.
  • Heat Resistance: The plug operates in high-temperature engine environments, manufactured from specialized heat-resistant and oil-resistant rubber materials.
  • Contaminant Prevention: Reliable sealing prevents external dust, moisture, and other contaminants from entering the valve train area.
  • Tolerance Compensation: The rubber's elasticity compensates for manufacturing tolerances and thermal expansion between the cylinder head cover and cylinder head.
Failure Symptoms
⚠️ Inspect immediately if any of these occur:
Symptom Probable Cause
Visible oil leakage around the cylinder head cover Hardened, cracked, or damaged rubber plug
Increased oil consumption without blue smoke from exhaust Oil leaking from the plug, not entering combustion chamber
Visual inspection shows hardened, cracked, swollen, or deformed plug Material aging from long-term high-temperature exposure
Burning oil smell during engine operation Leaked oil dripping onto hot exhaust components
Loose cylinder head cover bolts Seal failure due to compressed or deformed plug
Verifiable Data

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ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P

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Product Detail
MOQ :
20 PCS
Payment Terms :
T/T
Material :
Heat-resistant, Oil-resistant rubber
Model Number :
FVZ34 FSR FTR 6HK1
Installation Position :
Between cylinder head cover and cylinder head
Delivery Time :
5-8 Work Days
Contact Supplier
ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P
ISUZU Cylinder Head Rubber Plug 8-94399605-0 Heat-resistant Oil-resistant OEM Standard Valve Cover Seal for FVR 6HE1 700P

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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