318677 S400 Compressor Wheel Replacement for Komatsu WA430-5

This aftermarket 318677 compressor wheel is a replacement component for S400 turbochargers, designed for Komatsu WA430-5 wheel loaders with SA6D125H engines. It also serves as a repair part for Komatsu PC400-7 excavators equipped with SAA6D125E-3 engines. Verify your specific engine code and turbo configuration before ordering to ensure correct application.

Key Specifications

This compressor wheel is identified by part number 318677 and is designed for S400 series turbochargers. The component weighs approximately 0.5 kg, making it a lightweight replacement part for turbocharger rebuilds. It is supplied as a standalone wheel, not a complete assembly. Buyers should verify the specific blade profile and hub dimensions against their existing unit to ensure proper balance and airflow characteristics. This specification helps confirm the correct replacement application for Komatsu engine repairs.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• KOMATSU > KOMATSU WA430-5 > KOMATSU SA6D125H
• KOMATSU > KOMATSU PC400-7 > KOMATSU SAA6D125E-3

This compressor wheel is listed for Komatsu WA430-5 wheel loaders equipped with SA6D125H engines. It also serves as a reference application for Komatsu PC400-7 excavators with SAA6D125E-3 engines. These application paths help identify the correct replacement part for your specific machine. Always verify your engine code and turbo model before ordering to ensure proper fitment.

Technical Notes

Compressor wheels are precision-balanced components critical for maintaining turbocharger efficiency and airflow stability. This S400 series wheel is manufactured to support reliable operation in heavy-duty Komatsu applications. Inspect the hub and blade surfaces for damage or imbalance before installation. Proper alignment ensures optimal performance and prevents premature wear on the turbocharger assembly. Verify that the wheel matches your specific turbo model to avoid operational issues.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for bulk compressor wheel orders. Worldwide shipping is available for international distributors and repair shops. Our team provides technical fitment support to help verify part number 318677 against your specific Komatsu engine application. Contact us for current stock levels and lead times. We ensure secure packaging for this 0.5 kg component to prevent transit damage. Request a quote for multi-unit purchases.