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Isuzu 4JJ1 Thrust Washer 8980407040 Engine Stability

Other Engine Parts
January 13, 2026
Category Connection: Other Engine Parts
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Tags:
#Electric Fuel Pump #Engine Fan Blade #diesel fuel separator
Brief: Watch this overview to discover why many professionals pay attention to this approach. In this video, you'll see a detailed explanation and demonstration of the Isuzu 4JJ1 Thrust Washer 8980407040, focusing on its critical role in maintaining engine stability. We'll walk you through its installation at the main bearing location and show how it effectively limits crankshaft axial movement, preventing wear and ensuring long-term operational reliability for engines like the Isuzu 4JJ1 and Hitachi ZX140-3, ZX160-3.
Related Product Features:
  • Designed for Isuzu 4JJ1 series diesel engines and compatible with Hitachi ZX140-3 and ZX160-3 excavators.
  • Limits axial movement of the crankshaft to maintain stability during engine operation.
  • Installed at the main bearing location, mating with the crankshaft end face to bear axial thrust.
  • Prevents abnormal crankshaft wear or displacement, ensuring long-term stable engine performance.
  • Precision-machined from wear-resistant alloy materials for enhanced durability.
  • Thickness and dimensions conform to OEM standards for high compatibility.
  • Reduces the risk of abnormal noise and extends engine life under high load conditions.
  • Commonly used in engine overhauls and bottom structure repairs for reliable maintenance.
FAQs:
  • What is the primary function of the 4JJ1 thrust washer?
    The thrust washer is designed to limit axial movement of the crankshaft, maintaining its stability during engine operation and preventing abnormal wear or displacement.
  • Which engine models is the 8-98040704-0 thrust washer compatible with?
    It is suitable for Isuzu 4JJ1 series diesel engines and is also applicable to Hitachi ZX140-3 and ZX160-3 excavator models.
  • What are the key advantages of using this thrust washer?
    It is precision-machined from wear-resistant alloy, conforms to OEM standards, stably bears axial loads, reduces wear and noise risk, and extends engine life under high load conditions.
  • In what types of maintenance is this thrust washer commonly used?
    It is commonly used in engine overhauls and bottom structure repairs to ensure reliable and stable engine performance.
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