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

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

Key Specifications

This section outlines the core identification details for the 12642129 GT3788LVA turbocharger assembly. Buyers should verify these specifications against their existing unit to ensure correct replacement application.

• Part Number: 12642129
• Turbo Model: GT3788LVA
• Product Type: Complete Turbocharger Assembly
• OEM Reference Numbers: 12642314, 800799-0002, 800799-0003
• Application Clue: Chevrolet Silverado 2500HD/3500HD (2011-2016)
• Engine Reference: 6.6L Duramax LML

Use the listed OEM reference numbers to cross-check fitment with your vehicle’s service documentation. Confirm that the turbo model GT3788LVA matches your engine configuration before proceeding with the order.

Application & Compatibility

This GT3788LVA turbocharger is listed for Chevrolet Silverado 2500HD and 3500HD trucks equipped with the 6.6L Duramax LML engine (2011-2016). Buyers should verify the specific model year and engine code to ensure correct replacement application. OEM reference numbers 12642314, 800799-0002, and 800799-0003 serve as cross-reference aids for fitment confirmation. Always compare physical dimensions and flange patterns against your existing unit before ordering.

Technical Notes

The GT3788LVA model is engineered for heavy-duty diesel applications, supporting the high-torque demands of the 6.6L Duramax LML engine. This assembly includes the compressor housing, turbine housing, and bearing housing as a complete unit. Buyers should inspect the original turbocharger for specific flange patterns and actuator connections to ensure the replacement matches their vehicle's configuration. Verify that the oil feed and return lines align with the engine block before installation. Confirm all mounting details and related electrical detail related electrical details match the existing setup to avoid fitment issues during the replacement process.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 12642129 GT3788LVA turbocharger. Technical fitment support is available to verify application details before ordering. Worldwide shipping options ensure timely delivery for repair shops and distributors. Contact our team to confirm stock levels and discuss bulk order requirements for this heavy-duty replacement unit.