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171321 Turbine Wheel Replacement for MACK EM7-300 & E7-400

Aftermarket 171321 turbine wheel for MACK EM7-300 and E7-400 engines. Reference OEM numbers include 171925 TW and 171177 TW. Verify engine code and application before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Turbine wheel On backorder — orders accepted Part # 171321 Weight 1.80 kg Packing N/A
Cross Reference 171925 TW
Show more cross references 171925 TW 171926 TW FOR 171177 TW FOR 171178 TW FOR 171179 TW FOR 171645 TW
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12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

This aftermarket 171321 turbine wheel is a replacement component for MACK EM7-300 and E7-400 truck engines. It serves as a reference application for OEM numbers including 171925 TW and 171177 TW, supporting B2B buyers who verify fitment before ordering.

Key Specifications

  • Part Number: 171321
  • Product Type: Turbine wheel
  • Gross Weight: 1.8 kg
  • Packing: N/A
  • OEM Reference Numbers: 171925 TW, 171926 TW, 171177 TW, 171178 TW, 171179 TW, 171645 TW

These specifications help B2B buyers verify the correct replacement component for MACK truck applications. Cross-check the part number and weight against your existing turbocharger configuration before placing an order.

Application & Compatibility

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

  • MACK > MACK TRUCK > MACK EM7-300
  • MACK > MACK TRUCK > MACK E7-400
  • MACK > MACK TRUCK > MACK E7-427 460
  • MACK > E7-427 > 460 VISION

This turbine wheel is listed for MACK EM7-300, E7-400, and E7-427 460 Vision applications. It is associated with OEM reference numbers 171925 TW, 171926 TW, 171177 TW, 171178 TW, 171179 TW, and 171645 TW. These references serve as verification clues for B2B buyers and repair shops. Verify your specific engine code, vehicle model, and existing turbocharger configuration before ordering. Fitment is based on reference applications; confirm part number 171321 matches your unit to ensure the correct replacement component.

Technical Notes

This turbine wheel is a standalone replacement component for MACK truck engines, specifically listed for EM7-300, E7-400, and E7-427 460 Vision applications. The part number 171321 is associated with six OEM reference numbers, including 171925 TW and 171177 TW, which serve as verification clues for repair shops and rebuilders. Since this is a single turbine wheel rather than a complete turbocharger assembly, buyers must verify that the wheel matches their existing turbocharger configuration. Check the blade profile, hub dimensions, and material condition against your current unit to ensure the correct replacement application. Technical fitment support is available to help confirm these details before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for part 171321. Technical fitment support is available to help verify turbine wheel specifications against your existing MACK EM7-300 or E7-400 turbocharger configuration. Provide your engine code, vehicle application, and OEM reference numbers such as 171925 TW or 171177 TW to confirm the correct replacement application. This service helps ensure the standalone turbine wheel matches your specific unit before ordering.

Product FAQ

Part 171321 is associated with OEM references 171925 TW, 171926 TW, 171177 TW, 171178 TW, 171179 TW, and 171645 TW. Verify these against your specific turbo configuration.

The application path includes MACK E7-427 460 Vision. Confirm your specific engine variant and turbo setup matches the reference application before ordering.

Fleet buyers should verify the engine code EM7-300 and cross-check OEM reference 171925 TW. Ensure the turbine wheel matches the existing turbocharger configuration.

Yes, technical fitment support is available. Provide your part number, engine code, and OEM references to confirm the correct replacement application.

MACK 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 MACK.

Compatibility Verify part number 171321, engine code (EM7-300, E7-400, E7-427), vehicle application, and OEM reference numbers (171925 TW, 171177 TW) before ordering. Fitment is based on reference applications.

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Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

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Complete Turbo Units

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

Turbine Wheels & Shafts

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

Turbine Housing

Turbine Housings

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

Compressor Housing

Compressor Housings

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

Bearing Housing

Bearing Housings

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

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.

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