Garrett Stock Replacement Turbocharger – 2004.5–2010 6.6L Duramax (LLY/LBZ/LMM)

Upgrade your 2004.5–2010 GM 6.6L LLY, LBZ, or LMM Duramax with the Garrett 848212-5001S Stock Replacement Turbocharger — a 100% brand-new, direct-fit solution engineered for factory-correct performance and durability. Built by Garrett, a global leader in turbocharger technology, this unit delivers reliable power, improved throttle response, and efficient boost control with zero core charge.

Whether you’re replacing a worn turbo or restoring stock performance, this unit offers improved airflow, smooth power delivery, and dependable operation across the RPM range. It bolts on easily with no tuning or modifications required.

Note: LLY applications require the 771864-0001 adapter (sold separately).

Key Features & Benefits

• 100% Brand-New Construction: Not remanufactured — no core charge required.

• Vehicle-Specific Fitment: Designed for 2004.5–2010 6.6L Duramax LLY, LBZ, and LMM engines.

• Variable Geometry Turbo (VGT): Provides strong low-end torque and precise boost control.

• Durable Build Quality: Manufactured with high-grade materials for long-term reliability.

• Improved Throttle Response: Optimized for smooth, consistent power across the RPM range.

• Direct Bolt-On Installation: No custom tuning or modifications required.

• LLY Compatibility Note: Requires adapter part number 771864-0001 for proper fitment.

Technical Specifications

• Compressor Wheel: 61mm × 88mm (11-blade)

• Turbine Wheel: 73mm × 64mm (13-blade)

• Turbo Type: Variable Geometry Turbocharger (VGT)

• Fitment: 2004.5–2010 GM 6.6L Duramax Diesel Engines (LLY, LBZ, LMM)

Installation Notes

• Designed for easy installation as a stock replacement turbo.

• LLY applications require Garrett adapter 771864-0001 (sold separately).

• Professional installation is recommended for best results.

• Maintain with regular oil changes and clean air filtration to extend service life.

Why Choose Garrett?
Garrett turbochargers are trusted by OEMs worldwide for durability, precision engineering, and performance. The 848212-5001S is specifically tailored for Duramax platforms, making it a dependable choice to restore factory power and drivability to your 6.6L diesel engine.