GARRETT 12742129 Duramax Lbz Turbocharger 6.6L 8980385680

( Brand: Garrett ), ( Manufacturer Part Number: 12742129 )

Review GARRETT Chevrolet Duramax Lbz 6.6l Genuine Oem Turbocharger

Garrett GT2871R Turbocharger for Chevrolet Duramax LBZ 6.6L (8980385680)

The Garrett GT2871R is a high-performance turbocharger specifically designed for the Chevrolet Duramax LBZ 6.6L engine, carrying the part number 8980385680. This turbocharger is manufactured by Garrett, a leading name in the automotive industry known for its innovative and reliable turbocharging solutions.

The GT2871R is a part of Garrett's popular GT28 series, featuring a twin scroll design that ensures optimal efficiency and power delivery. The compressor wheel size is 71mm, which provides impressive boost levels while maintaining excellent response and low lag. The turbine wheel size is 61mm, ensuring robustness and durability even under high power applications.

This turbocharger comes with a ball-bearing center housing, which provides excellent stability and rigidity, ensuring long-lasting performance. The GT2871R also features a wastegate that is integrated into the turbine housing, simplifying the installation process and reducing complexity.

The GT2871R is designed to deliver maximum power output while maintaining excellent efficiency. It is suitable for both street and racing applications, making it a versatile choice for Chevrolet Duramax LBZ 6.6L engine owners looking to enhance the performance of their vehicles.

The turbocharger is also compatible with various fuel types, including diesel and biodiesel, making it a popular choice for those seeking high-performance upgrades for their Duramax engines. The GT2871R comes with a detailed installation guide, ensuring a smooth and hassle-free installation process.

In summary, the Garrett GT2871R turbocharger for the Chevrolet Duramax LBZ 6.6L engine is a high-performance, reliable, and versatile solution for those seeking to boost the power output of their vehicle. With its twin scroll design, ball-bearing center housing, and wastegate integrated into the turbine housing, this turbocharger offers optimal efficiency, power delivery, and ease of installation.

Pros and Cons of Buying a Garrett GT28R Twin Scroll Turbocharger for a Chevrolet Duramax LBZ 6.6L

The Garrett GT28R (Part Number: 8980385680) is a popular aftermarket turbocharger choice for the Chevrolet Duramax LBZ 6.6L engine. In this analysis, we'll discuss the key advantages and disadvantages of installing this turbocharger in your Duramax.

1. Enhanced Performance: The GT28R offers impressive power gains, with some users reporting up to 100 horsepower and 150 lb-ft of torque increases.

2. Durability: Garrett is a well-established brand known for manufacturing high-quality turbochargers. The GT28R is no exception, featuring robust components that can withstand the rigors of heavy-duty use.

3. Twin-Scroll Technology: The twin-scroll design allows for smoother power delivery and improved turbo lag reduction compared to traditional single-scroll turbochargers.

4. Wide Compatibility: The GT28R is compatible with various Duramax applications, making it a versatile choice for upgrading your vehicle.

1. Cost: The GT28R is a premium turbocharger, and its cost may be a significant investment for some.

2. Complex Installation: Installing the GT28R requires a fair amount of expertise and specialized tools. It may be best to have it installed by a professional to ensure proper fitment and function.

3. Potential for Increased Emissions: Performance upgrades like this turbocharger can potentially lead to increased emissions. It's crucial to address this issue with appropriate exhaust modifications to maintain compliance with emissions regulations.

The Garrett GT28R (Part Number: 8980385680) is an excellent choice for those seeking significant power gains and improved performance from their Chevrolet Duramax LBZ 6.6L engine. Despite its high cost and complex installation, the benefits of this turbocharger, such as its durability, twin-scroll technology, and enhanced power delivery, far outweigh the cons. However, it is essential to consider the potential for increased emissions and address this issue through proper exhaust modifications.

If you're serious about upgrading your Duramax's performance and are prepared for the investment and installation complexities, the Garrett GT28R (Part Number: 8980385680) is an excellent choice. For those seeking a more affordable alternative, consider researching other turbocharger models that offer similar performance gains while being more budget-friendly. Regardless of your decision, make sure to prioritize proper installation and exhaust modifications to ensure optimal performance and compliance with emissions regulations.

Details:

Turbo spins free but fins are chipped up from r rebuild or parts. The Chevrolet Duramax LBZ 6.6L Garrett Genuine OEM Turbocharger is a high-quality turbocharger designed by for specific vehicles. This OEM turbocharger, with the manufacturer part number 12742129.

part #: 12742129 prices

• $598.00-$599.00

specifications theostapa:

• for makes: Chevrolet
• brand: Garrett
• mpn: 12742129

general theostapa:

• Car Truck Parts Accessories > Engine Cooling Components > Thermostats Housings
• condition: For parts or not working

seller theostapa:

• # reviews: 166
• city: Luana, Iowa
• rating: 100.0%

returns theostapa:

• policy: Returns Accepted
• paid by: Buyer
• time: 14 Days

shipping theostapa:

• class: Standard
• carrier: USPS
• type: Fixed
• cost: $20.00
• service: USPS Ground Advantage
• transit: 4-9 Days

offer theostapa:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: October 14, 2025

payments theostapa:

• wallet: Google-pay
• credit card: Diners-club
• other

Garrett 12742129 Is Similar To:

• Garrett 12642314 11-16 Silverado 2500 Lml Duramax Turbo Core Sierra 3500 Oem (47.7% similar) Pulled from a 2011 Silverado 3500 with an ml duramax engine. Good core turbo for rebuild. Truck appears to have had an erg failure, sent oil and coolant mixture through turbo. Comes complete as pictured. Shipping is to the lower 48 states only. Turbo still spins, but selling for rebuild only...(April 29th, 2026)