12642129 GT3788LVA Turbocharger Replacement for Chevrolet Silverado 2500HD

This aftermarket 12642129 GT3788LVA turbocharger is a replacement unit for the 6.6L Duramax LML engine found in Chevrolet Silverado 2500HD and 3500HD models (2011-2016). It serves as an aftermarket replacement application for buyers verifying fitment against OEM reference numbers 12642314, 800799-0002, or 800799-0003.

Key Specifications

• Part Number: 12642129
• Product Type: Turbocharger
• Turbo Model: GT3788LVA
• Application Clue: Chevrolet Silverado 2500HD/3500HD (2011-2016), 6.6L Duramax LML
• OEM Reference Numbers: 12642314, 800799-0002, 800799-0003
• Packing Dimensions: 34*35*43 cm
• Gross Weight: 25 kg
• Image Availability: Yes

These specifications help buyers verify the physical unit and packaging details against their inventory or shipping requirements. Cross-check the part number and model against your vehicle's service records to ensure the correct replacement application.

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 the 6.6L Duramax LML engine in Chevrolet Silverado 2500HD and 3500HD models (2011-2016). Buyers should verify the specific production year and engine code to ensure the unit matches their vehicle's configuration. Cross-check the part number 12642129 against OEM reference numbers 12642314, 800799-0002, or 800799-0003 in your service records. Confirm actuator details and related electrical detail types before ordering, as mid-production updates may affect electrical specifications. This verification step helps confirm the correct replacement application for your fleet or repair shop inventory.

Technical Notes

The GT3788LVA turbocharger features a visible variable geometry turbine (VGT) actuator assembly with a circular actuator disc, as seen in the product imagery. A white electrical wiring harness with a black multi-pin related electrical detail and blue terminal markers is attached to the unit. The cast metal turbine housing includes a flanged exhaust inlet, while the machined compressor housing has a large air outlet. Buyers should inspect the existing unit's related electrical detail pin count and actuator configuration to ensure the replacement matches the vehicle's electrical details to verify. Verify these visible features against your service records before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 12642129 GT3788LVA turbocharger. Technical fitment support is available to help verify actuator details, related electrical detail types, and OEM reference numbers (12642314, 800799-0002, 800799-0003) before ordering. Contact our team to confirm specific vehicle configurations for the 6.6L Duramax LML engine and ensure the correct replacement application for your inventory.