631GC5143M2 S3BL129 Turbocharger Replacement for MACK EM7-300
Aftermarket 631GC5143M2 S3BL129 turbocharger for MACK EM7-300. Verify part number, engine code, and OEM reference 168078 before ordering. Technical fitment support available.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
This aftermarket 631GC5143M2 S3BL129 turbocharger is a replacement unit for MACK EM7-300 engines. It is listed for MACK truck applications with OEM reference 168078. Verify your specific part number, engine code, and vehicle application before ordering to ensure correct fitment.
Key Specifications
- Part Number: 631GC5143M2
- Product Type: Turbocharger
- Turbo Model: S3BL129
- Application Clue: MACK EM7-300
- OEM Reference: 168078
- Packing Dimensions: 26*30*33 cm
- Gross Weight: 23 kg
- Image Availability: Not provided
Use these factual fields to cross-check your existing unit against the 631GC5143M2 replacement. The 23 kg gross weight and specific packing dimensions help confirm you are reviewing the correct heavy-duty assembly for MACK truck applications. Always verify the S3BL129 model designation and OEM reference 168078 against your service records 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
This turbocharger is listed for MACK EM7-300 engine applications within MACK truck fleets. The application path serves as a reference clue for buyers to cross-check their specific vehicle and engine codes. Verify that your unit matches the S3BL129 model designation and OEM reference 168078 before ordering. Confirm the turbine housing flange type and bolt pattern against your existing assembly to ensure proper installation alignment. Always check production year and engine variant details to confirm the replacement application is correct for your specific fleet unit.
Technical Notes
The S3BL129 model designation indicates a specific turbocharger configuration for this MACK EM7-300 application. Buyers should verify the physical dimensions and mounting details of the 631GC5143M2 unit against their existing assembly. The 23 kg gross weight reflects the mass of the complete turbocharger assembly, including the turbine and compressor housings. Confirm the turbine housing flange type and bolt pattern match your engine block before installation. Cross-check the nozzle ring vane count and height if replacing individual components. Use OEM reference 168078 as a verification clue to ensure the replacement part aligns with your service records. Technical fitment support is available to assist with these verification steps.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, rebuilders, and fleet parts distributors with volume pricing on the 631GC5143M2 S3BL129 turbocharger. Worldwide shipping is available for this MACK EM7-300 replacement application. Our team provides technical fitment support to help you verify part numbers, engine codes, and OEM reference 168078 before ordering. Contact us for distributor pricing or to confirm specific fleet requirements for this heavy-duty assembly.
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 631GC5143M2, MACK EM7-300 engine code, vehicle application, production year, and OEM reference 168078 before ordering. Confirm turbo configuration and flange type for your specific unit.
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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.