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12642129 GT3788LVA Turbocharger Replacement for Chevrolet Silverado 2500HD/3500HD

Aftermarket replacement turbocharger 12642129 (GT3788LVA) for 2011-2016 Chevrolet Silverado 2500HD/3500HD with 6.6L Duramax LML engine. Reference OEM numbers 12642314, 800799-0002, 800799-0003. Verify application before ordering.

Type Turbocharger In Stock Part # 12642129 Models GT3788LVA Weight 25.00 kg Packing 34*35*43
Cross Reference 12642314
Show more cross references 12642314 800799-0002 800799-0003
US$ 863.10 / 1 pc(s)
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Subtotal: US$ 863.10

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12-Month Warranty Worldwide Shipping OEM-Grade Quality

This aftermarket 12642129 GT3788LVA turbocharger serves as a replacement unit for 2011-2016 Chevrolet Silverado 2500HD and 3500HD trucks equipped with the 6.6L Duramax LML engine. Designed for heavy-duty diesel applications, this assembly references OEM numbers 12642314, 800799-0002, and 800799-0003 to assist buyers in verifying fitment before ordering.

Key Specifications

This GT3788LVA turbocharger assembly is identified by part number 12642129. It serves as a replacement unit for heavy-duty diesel applications, specifically referencing OEM numbers 12642314, 800799-0002, and 800799-0003. The unit ships with a gross weight of 25 kg and packing dimensions of 34x35x43 cm. High-resolution images are available to assist buyers in verifying physical features, mounting details, and housing details before finalizing their order.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • CHEVROLET > Chevrolet Silverado 2500HD > 3500HD(2011-2016) > 6.6L Duramax LML

This GT3788LVA turbocharger is listed for 2011-2016 Chevrolet Silverado 2500HD and 3500HD trucks equipped with the 6.6L Duramax LML engine. Buyers should verify the exact vehicle VIN and production year, as mid-cycle updates may affect turbo mounting or actuator specifications. Use the supplied OEM reference numbers to confirm this unit matches your specific application before ordering.

Technical Notes

This GT3788LVA assembly is designed for heavy-duty diesel applications, specifically referencing the 6.6L Duramax LML engine architecture. Buyers should verify that the compressor and turbine housing dimensions match their specific vehicle build, as mid-cycle production changes can affect mounting details. Confirm the actuator related electrical detail type and electrical specifications align with your truck's ECU requirements to ensure proper operation. Inspect the unit for physical consistency with OEM reference 12642314 before installation.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 12642129 GT3788LVA turbocharger. Technical fitment support is available to help verify part numbers, engine codes, and OEM references before ordering. Contact our team for bulk order quotes or to confirm specific application details for your fleet or shop inventory.

For B2B inventory planning, this unit ships in a 34x35x43 cm package with a gross weight of 25 kg. Buyers should confirm stock availability and lead times for the 12642129 GT3788LVA assembly before placing bulk orders. Technical support is available to assist with reference checking OEM numbers like 12642314 or 800799-0002 against specific vehicle VINs. This ensures accurate replacement for 2011-2016 Chevrolet Silverado 2500HD/3500HD applications with the 6.6L Duramax LML engine.

Product FAQ

This unit references OEM numbers 12642314, 800799-0002, and 800799-0003. Use these numbers to cross-check fitment with your vehicle's service manual or parts catalog.

For 2011-2016 Silverado models, verify the exact engine code and turbo configuration, as mid-cycle updates may alter mounting details or actuator specifications. Confirm the GT3788LVA model matches your specific VIN.

Use the primary part number 12642129 and the representative OEM references 12642314 or 800799-0002 to search supplier databases. This ensures you identify the correct GT3788LVA assembly for your 6.6L Duramax application.

Inspect the original turbocharger's actuator related electrical detail and wiring harness. Since this is a replacement for the GT3788LVA, ensure the electrical specifications match your vehicle's ECU requirements to avoid installation issues.

CHEVROLET 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 CHEVROLET.

Compatibility Verify part number, engine code (6.6L Duramax LML), vehicle application (Chevrolet Silverado 2500HD/3500HD 2011-2016), production year, and OEM reference numbers before ordering. Confirm turbo configuration matches your specific vehicle build.

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Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.