1W1055 Turbocharger Bearing Housing for CAT 3412 (4LF555)

This aftermarket 1W1055 bearing housing is a replacement component for 4LF555 turbochargers on CAT 3412 engines. It is listed for Caterpillar earth-moving applications and associated with OEM reference 186496. Verify your specific engine configuration and casting numbers before ordering.

Key Specifications

• Part Number: 1W1055
• Product Type: Bearing Housing
• Turbo Model: 4LF555
• OEM Reference: 186496
• Application Clue: CAT 3412 Earth Moving
• Packing: N/A
• Gross Weight: 0 kg

This section lists the core identification data for the 1W1055 bearing housing. The part is associated with the 4LF555 turbo model and the OEM reference 186496. Use these identifiers to cross-check against your existing unit or service manual. Verify that the casting numbers on your current housing match this specification before proceeding with an order.

Application & Compatibility

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

• Caterpillar > CAT > CAT EARTH MOVING > CAT 3412

This bearing housing is listed for Caterpillar CAT 3412 earth-moving applications. It is associated with the 4LF555 turbo model and OEM reference 186496. Buyers should verify these identifiers against their specific engine configuration. Cross-check the part number 1W1055 and casting numbers on the existing unit to confirm the correct variant. If multiple variants exist for the CAT 3412 engine, send casting details for technical fitment support. Use VIN data to help identify the specific engine setup before ordering.

Technical Notes

The 1W1055 bearing housing is a critical structural component for the 4LF555 turbocharger assembly. It supports the rotor shaft and maintains alignment between the turbine and compressor sections. For CAT 3412 earth-moving applications, verify that the casting numbers on your existing unit match this part number. Cross-check OEM reference 186496 against your service manual to confirm the correct variant. If multiple housing variants exist for this engine, send casting details for technical fitment support before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 1W1055 bearing housing. Worldwide shipping is available for this aftermarket replacement component. Our team provides technical fitment support to help verify the 4LF555 turbo model and OEM reference 186496 against your specific CAT 3412 application. Send casting numbers or VIN data to confirm the correct variant before ordering. This service helps ensure you receive the appropriate bearing housing for your earth-moving equipment.