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181998 4LE556 Turbocharger Core for Mack ET673E Replacement
Aftermarket 181998 4LE556 turbo core for Mack ET673E. Includes 55 OEM reference numbers. Verify engine and vehicle application before ordering. B2B volume pricing available.
Show more cross references
181999 185606 FOR 147582 FOR 148174 FOR 149750 FOR 180952 FOR 180953 FOR 180954 FOR 180955 FOR 180956 FOR 180957 FOR 180958 FOR 180959 FOR 180960 FOR 180971 FOR 183086 FOR 183384 FOR 183385 FOR 183632 FOR 183845 FOR 185308 FOR 185309 FOR 185310 FOR 185311 FOR 185312 FOR 185313 FOR 185604 FOR 185605 FOR 185877 FOR 185878 FOR 186506 FOR 186507 FOR 188469 FOR 188923 FOR 189052 FOR 189053 FOR 189056 FOR 189057 FOR 189058 FOR 189674 FOR 189953 FOR 196308 FOR 196905 FOR 311644 FOR 631GC443 FOR 631GC453 FOR 631GC456 FOR 631GC463P1 FOR 631GC463P2 FOR 631GC463P3 FOR 631GC468 FOR 631GC5103 FOR 631GC5103P2 FOR 631GC5103P4 FOR 631GC5103P7Subtotal: CA$ 218.81
Send an InquiryThis aftermarket 181998 turbocharger core is a replacement application for Mack ET673E engines, identified by turbo model 4LE556. It serves as a reference-based CHRA for B2B buyers and repair shops, with fitment to be verified against specific vehicle applications and OEM reference numbers before ordering.
Key Specifications
- Part Number: 181998
- Product Type: Turbocharger Core (CHRA)
- Turbo Model: 4LE556
- Application Clues: Mack ET673E, Mack Truck
- Packing Dimensions: 21 x 23 x 26 cm
- Gross Weight: 8 kg
- OEM Reference Numbers: 55 references including 181999, 185606, 147582, 148174, 149750, and 180952
- Visual Features: Cast housing with central bore, silver compressor wheel, bronze turbine wheel, and red seal ring
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- MACK > MACK VARIOUS > MACK ET673E
- MACK > MACK TRUCK
This core is listed for Mack ET673E engines and Mack truck applications, serving as a reference-based replacement application. The 55 associated OEM reference numbers, including 181999, 185606, and 147582, help buyers confirm fitment against their specific vehicle data. Verify part number 181998, turbo model 4LE556, and engine code before ordering. Technical fitment support is available to assist with application verification.
Technical Notes
The 181998 core features a cast housing with a central bore, flanked by two smaller circular holes on the housing face. Visible components include a silver-colored compressor wheel with curved blades and a darker, bronze-colored turbine wheel. A red seal ring is visible at the compressor housing joint, while threaded shafts protrude from both the top and bottom of the assembly. The bottom view reveals a cast mounting flange with a textured surface. These visual details support initial identification, but buyers must verify part number 181998 and model 4LE556 against their specific Mack ET673E application data to confirm fitment.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing for the 181998 4LE556 core. Worldwide shipping is available for this Mack ET673E replacement application. Technical fitment support is provided to help verify part number 181998, turbo model 4LE556, and associated OEM reference numbers against your specific vehicle data. Confirm engine code and production year before placing an order to ensure the correct CHRA is supplied for your Mack truck application.
Product FAQ
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 181998, turbo model 4LE556, Mack ET673E engine application, and OEM reference numbers (e.g., 181999, 185606) before ordering. Fitment is reference-based; confirm against your specific vehicle and production year.
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Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
