4HK1 6HK1 6HH1 Crankshaft Oil Seal 8983343390 8983344820 For Isuzu Excavator Truck

Product Details

Product Overview

This high-quality crankshaft oil seal is specifically designed for Isuzu 4HK1, 6HK1, and 6HH1 diesel engines, commonly used in construction machinery like excavators and heavy-duty trucks. As a critical sealing component, it prevents oil leakage from the crankshaft housing, ensuring optimal engine lubrication and performance.

The part numbers 8983343390 and 8983344820 correspond to genuine Isuzu specifications, making this a direct replacement for OEM parts. Whether you are servicing a Hitachi excavator or an Isuzu NPR/NQR truck, this seal provides the exact fitment required for reliable operation in demanding environments.

Sourced with Japanese manufacturing standards, this crankshaft oil seal offers long-lasting durability to withstand high rotational speeds and temperature variations common in heavy equipment engines.

Key Features & Benefits

• Precision Fitment: Manufactured to Isuzu OEM specifications for 4HK1, 6HK1, and 6HH1 engine models, ensuring a perfect seal without modification.
• Oil Leak Prevention: High-quality rubber compound and metal casing design effectively seal the crankshaft housing, preventing costly oil leaks and contamination.
• Durable Construction: Built to withstand extreme operating conditions including high RPMs, temperature fluctuations, and exposure to engine oil and debris.
• Direct OEM Replacement: Cross-references to genuine Isuzu part numbers 8983343390 and 8983344820, simplifying parts identification for buyers.
• Extended Engine Life: Proper sealing maintains correct oil pressure and lubrication, reducing wear on crankshaft bearings and other rotating components.
• Easy Installation: Standard design allows for straightforward installation using conventional tools by qualified mechanics.
• Cost-Effective Maintenance: Replacing a worn crankshaft seal prevents more expensive engine repairs caused by oil starvation or contamination.

Technical Specifications

OEM Cross-Reference

This crankshaft oil seal is a direct replacement for the following OEM numbers:

• Isuzu: 8983343390, 8983344820
• Compatible with: Genuine Isuzu parts for 4HK1, 6HK1, and 6HH1 engine series

These numbers are verified against OEM catalogs to ensure accurate cross-referencing for global buyers.

Compatibility

This crankshaft oil seal is commonly used for the following applications:

• Engine Models: Isuzu 4HK1, 6HK1, 6HH1
• Vehicle Types: Excavators, Wheel Loaders, Bulldozers, and other construction machinery
• Truck Applications: Isuzu NPR, NQR, FTR, FVR, and similar heavy-duty truck models
• Common Equipment: Hitachi ZX series excavators, Sumitomo excavators, and other machinery powered by Isuzu engines

Note: Always verify your specific engine model and existing part number before ordering to ensure compatibility.

Global Supply & Distribution

We offer worldwide shipping capabilities to serve the global aftermarket parts industry. Our supply chain is optimized for fast delivery to major ports and industrial centers across:

• North America: Los Angeles, Houston, New York, Toronto, Vancouver
• Europe: Rotterdam, Hamburg, Antwerp, Felixstowe, Gdansk
• Asia-Pacific: Singapore, Shanghai, Tokyo, Busan, Sydney
• Middle East & Africa: Dubai, Jeddah, Durban, Lagos
• South America: Santos, Buenos Aires, Callao, Valparaiso

With extensive export experience and international trade compliance documentation, we ensure smooth customs clearance and reliable delivery for B2B buyers worldwide.

Quality Assurance

• Manufacturing Standards: Produced in accordance with ISO quality management systems, ensuring consistent dimensional accuracy and material properties.
• Testing Procedures: Each batch undergoes hardness testing, dimensional inspection, and oil resistance verification before shipment.
• Warranty Coverage: Backed by a 3-6 month warranty against manufacturing defects (warranty period varies by order quantity).
• Technical Support: After-warranty video technical support available to assist with installation questions or troubleshooting.

FAQ

Q1: How can I confirm this crankshaft oil seal fits my Isuzu engine?

Check the existing part number on your current seal or refer to your engine service manual. This seal is specifically designed for Isuzu 4HK1, 6HK1, and 6HH1 engines. Cross-reference your engine model and the part numbers (8983343390 or 8983344820) to confirm compatibility. If you are unsure, provide us with your engine serial number and we can verify fitment before shipping.

Q2: What are the signs that my crankshaft oil seal needs replacement?

Common indicators include visible oil leaking from the front or rear of the engine near the crankshaft pulley or flywheel area, low oil pressure warnings, excessive oil consumption, or oil spots under the vehicle after parking. If you notice these symptoms, inspect the seal immediately as continued operation can lead to more serious engine damage.

Q3: Is professional installation required for this crankshaft oil seal?

While experienced DIY mechanics can replace this seal, professional installation is recommended. The crankshaft seal requires precise alignment and proper seating to prevent premature failure. Special tools like a seal driver kit may be needed to avoid damaging the new seal during installation. We also recommend replacing the seal during major engine service intervals or when performing other crankshaft-related repairs.