Ensure reliable engine starting with this 128T Ring Gear 8-97175902-0, compatible with Isuzu 4BD1, 4BE1, 4BG1, 4JB1, and UM4BG1 engines. The ring gear is a critical component that engages with the starter motor to crank the engine efficiently.
Manufactured to OEM standards, this Isuzu ring gear provides precise fitment, excellent wear resistance, and high durability. Perfect for truck NPR, industrial machinery, and construction vehicles, it guarantees smooth starter engagement, reduces wear on the starter system, and extends engine life.
Ideal for engine rebuilds, maintenance, or replacement of worn components, this 8-97175902-0 ring gear ensures reliable starting performance under heavy-duty conditions.
Key Features & Benefits
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Part Number: 8-97175902-0
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Compatible with Isuzu 4BD1, 4BE1, 4BG1, 4JB1, UM4BG1 engines
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OEM-quality replacement for precise fit
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128 teeth for smooth starter engagement
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Reduces wear on starter motor and flywheel
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Suitable for Truck NPR and industrial vehicles
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Ideal for engine maintenance, rebuilds, and repair projects
Engine Compatibility
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Isuzu 4BD1 Engine
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Isuzu 4BE1 Engine
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Isuzu 4BG1 Engine
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Isuzu 4JB1 Engine
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Isuzu UM4BG1 Engine
Equipment Applications
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Isuzu Truck NPR
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Industrial machinery using compatible engines
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Construction equipment powered by Isuzu 4BD1/4BE1/4BG1 series
Frequently Asked Questions
Q1: What is the part number of this ring gear?
The part number is 8-97175902-0.
Q2: Which engines are compatible?
Compatible with Isuzu 4BD1, 4BE1, 4BG1, 4JB1, and UM4BG1 engines.
Q3: What is the purpose of a ring gear?
The ring gear engages with the starter motor to crank the engine efficiently, ensuring smooth starting.
Q4: Can this ring gear be used for heavy-duty trucks?
Yes, it is ideal for truck NPR and other industrial or construction vehicles.
Q5: Is this an OEM-quality replacement?
Yes, it is manufactured to OEM standards for precise fit and long-lasting performance.




