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431876-0145 JB Journal Bearing GT2256MS Turbocharger Replacement

Type Journal bearing Part # 431876-0145 JB Models GT2256MS Weight 0.03 kg Packing N/A
US$ 1.10 / 10 pc(s)
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Subtotal: US$ 1.10

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12-Month Warranty Worldwide Shipping OEM-Grade Quality

The 431876-0145 JB journal bearing serves as a direct aftermarket replacement for GT2256MS turbochargers used in Isuzu NPR series trucks with the 4HG1-T engine. This component supports rebuild projects by providing a critical bearing housing part, helping to restore stable operation for your 120HP diesel application. Verify the specific turbo model and engine code before ordering to ensure correct fitment.

Key Specifications

This listing details the 431876-0145 JB journal bearing, a critical internal component for GT2256MS turbocharger rebuilds. The part is designed to support the shaft within the bearing housing, ensuring proper alignment and reduced friction during operation. With a gross weight of 0.03 kg, this lightweight component is packaged for efficient handling and storage. Buyers should confirm that the bearing dimensions match their specific turbocharger core requirements before installation.

Application & Compatibility

This journal bearing is listed for Isuzu NPR series trucks equipped with the 4HG1-T engine. It serves as a reference application for GT2256MS turbocharger rebuilds. Always verify the part number 431876-0145 JB against your specific turbocharger core. Confirm that the bearing housing dimensions match your unit before installation. Do not assume universal fitment across all Isuzu truck models. Check your vehicle’s service manual or existing turbo tag for exact specifications.

Technical Notes

Journal bearings are critical for maintaining shaft alignment within the GT2256MS turbocharger core. This component helps manage radial loads during high-speed rotation, supporting stable operation in diesel engine applications. Proper installation requires clean bearing surfaces and correct clearance checks to prevent premature wear. Inspect the housing for damage before fitting the 431876-0145 JB bearing. Ensure lubrication pathways are clear to maintain optimal performance during rebuilds.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 431876-0145 JB journal bearing. Worldwide shipping is available for this GT2256MS turbocharger part. Our team provides technical fitment support to help verify specifications before purchase. Contact us with your order quantity for a custom quote. We assist distributors and repair shops in confirming part details for Isuzu NPR applications.

Product FAQ

Provide the part number 431876-0145 JB and turbo model GT2256MS. Include your engine code 4HG1-T to help confirm dimensional accuracy for the Isuzu NPR application.

Use the 120HP rating for the 4HG1-T engine as a reference clue only. Always verify the exact part number and turbo model GT2256MS to ensure correct fitment.

Confirm that the GT2256MS turbo configuration matches your specific vehicle or machinery. Verify that the journal bearing 431876-0145 JB meets your operational environment requirements.

Yes, volume pricing is available for B2B buyers and distributors. Contact our sales team with your order quantity for a custom quote on 431876-0145 JB bearings.

ISUZU and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by ISUZU.

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Frequently Asked Questions

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Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

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Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

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Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

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OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

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Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

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