6506-21-5020 NU-CW Shaft Nut for KOMATSU SAA6D125E

This aftermarket FOR 6506-21-5020 NU-CW shaft nut is a replacement component for KOMATSU SAA6D125E engine applications. It serves as a reference application part for FOR KTR90 NU-CW, with technical fitment support available to verify specific engine configurations before ordering.

Key Specifications

• Part Number: FOR 6506-21-5020 NU-CW
• Product Type: Shaft Nut
• OEM Reference: FOR KTR90 NU-CW
• Gross Weight: 0.05 kg
• Packing: N/A
• Application Clue: KOMATSU SAA6D125E

This hexagonal flanged nut features a wide circular base and internal threaded bore, visible in high-resolution product images. The metallic finish and machined surfaces are consistent with standard turbocharger shaft nut components. Buyers should verify thread pitch and material grade against their specific engine documentation, as these details are not explicitly listed in the product data.

Application & Compatibility

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

• KOMATSU > SAA6D125E

This shaft nut is listed for KOMATSU SAA6D125E engine applications. The application path serves as a reference clue for buyers to verify specific engine configurations. Cross-check the part number FOR 6506-21-5020 NU-CW against your engine documentation. The associated OEM reference FOR KTR90 NU-CW helps confirm fitment for this replacement application. Verify production year and turbo configuration before ordering. Technical fitment support is available to assist with these verification steps.

Technical Notes

This shaft nut is a critical fastening component for the turbocharger assembly on KOMATSU SAA6D125E engines. The hexagonal flanged design provides a stable mounting details, while the internal threaded bore secures the shaft assembly. Buyers should verify the specific thread pitch and material grade against their engine documentation, as these details are not explicitly listed in the product data. Cross-checking the part number FOR 6506-21-5020 NU-CW with the OEM reference FOR KTR90 NU-CW helps confirm the correct replacement application. Technical fitment support is available to assist with these verification steps before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the FOR 6506-21-5020 NU-CW shaft nut. Worldwide shipping is available for this KOMATSU SAA6D125E replacement component. Technical fitment support is provided to verify part numbers, engine applications, and OEM references such as FOR KTR90 NU-CW before ordering. This service helps confirm the correct replacement application for your specific turbocharger configuration.