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631GC5143M2 S3BL129 Turbocharger Replacement for Mack EM7-300
This 631GC5143M2 S3BL129 turbocharger serves as an aftermarket replacement for Mack EM7-300 trucks. Designed for heavy-duty applications, this unit references OEM number 168078 to assist buyers in verifying fitment. Always confirm engine specifications and physical dimensions before ordering to ensure proper installation.
Key Specifications
This S3BL129 turbocharger assembly is identified by part number 631GC5143M2. It serves as a replacement unit for Mack EM7-300 engine applications. The product references OEM number 168078 to assist with identification. Physical dimensions are 26x30x33 cm, with a gross weight of 23 kg. These specifications help buyers assess shipping logistics and handling requirements. Verify all measurements against your existing unit before purchase.
Application & Compatibility
This S3BL129 turbocharger is listed for Mack EM7-300 truck applications. Buyers should verify the engine model and production year to ensure proper replacement application. Cross-reference OEM number 168078 with your existing unit to help confirm fitment. Always check physical dimensions and flange patterns before ordering. This unit serves as a reference application for fleet maintenance and repair shops. Confirm all specifications with your technician to avoid installation issues.
Technical Notes
The S3BL129 turbocharger assembly requires careful inspection of the turbine housing flange and bolt pattern to ensure proper installation. Buyers should verify the nozzle ring vane count and height against their existing unit to maintain correct airflow characteristics. When replacing the CHRA/core, ensure the assembly is dynamically balanced to prevent vibration and support stable operation. Confirm all physical dimensions and mounting details with your technician before finalizing the order to avoid fitment issues.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing for the 631GC5143M2 S3BL129 turbocharger. Worldwide shipping is available for this 23 kg unit, packed in 26x30x33 cm cartons. Our team provides technical fitment support to help verify OEM reference 168078 and engine specifications. Contact us to confirm details for your Mack EM7-300 application before ordering.
Fleet managers and repair shops can streamline inventory planning by referencing the 23 kg gross weight and 26x30x33 cm packing dimensions for the 631GC5143M2 unit. These logistics details assist in calculating shipping costs and storage requirements for bulk orders. LeadTurbo provides technical fitment support to help verify OEM reference 168078 against your specific Mack EM7-300 engine configuration. Contact our team to confirm stock availability and discuss volume pricing options for this S3BL129 turbocharger replacement.
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.
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Frequently Asked Questions
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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.