Vehicle Compatibility (For 6.6L Duramax LML Diesel Engines):
(Fitment Note: Designed specifically for the 2011-2016 6.6L Duramax Diesel V8 engines (LML code). Please verify your engine code and OE turbo part number before purchasing.)
Compatible Vehicles for Chevrolet (6.6L Duramax Diesel):
2011-2016 Chevrolet Silverado 2500 HD (6.6L LML)
2011-2016 Chevrolet Silverado 3500 HD (6.6L LML)
Compatible Vehicles for GMC (6.6L Duramax Diesel):
2011-2016 GMC Sierra 2500 HD (6.6L LML)
2011-2016 GMC Sierra 3500 HD (6.6L LML)
Interchange/OE Part Numbers: 848212-5002S, 848212-0002, 848212-5002, 800799-0002, 800799-5002, 800799-5002S, 800799-0003, 800799-5003, 800799-5003S, 12642314, 12642129, GT3788VA.
What's Included in the Package List:
- 1x Complete VGT Turbocharger Assembly (GT3788VA Spec)
- 1x Turbo Base Flange Gasket
- 1x Complete Oil & Coolant Line Sealing Gasket Kit
Heavy-Duty Power Restored: Premium 6.6L Duramax LML VGT Turbocharger Assembly
Are you experiencing a loss of heavy-duty towing power, excessive exhaust smoke, or frustrating underboost codes in your 6.6L Duramax LML? These are classic symptoms of sticky VGT vanes or a failing factory turbocharger. When your truck struggles under a load, it compromises your capability and fuel efficiency. Eliminate these performance bottlenecks and restore massive pulling power to your heavy-duty truck with this premium VGT (Variable Geometry Turbocharger) Replacement Assembly, designed to get your workhorse performing like new.
Specifically engineered to handle the extreme demands of commercial and heavy-duty towing applications, this complete VGT assembly acts as a direct drop-in replacement. To prevent premature failures, it features an upgraded high-temperature nodular iron turbine housing built to withstand intense exhaust heat. Internally, a precision-machined compressor wheel and meticulously calibrated VGT vanes work in harmony to ensure rapid spool-up, optimal boost pressure, and crisp throttle response across the entire RPM range. To guarantee a professional, leak-free installation, the package comes complete with a turbo base flange gasket and a comprehensive oil and coolant line sealing gasket kit.
(⚠️ IMPORTANT INSTALLATION NOTE: This heavy-duty turbocharger assembly is designed specifically for 2011-2016 6.6L Duramax Diesel V8 engines (LML code). Please carefully verify your engine code and original equipment (OE) turbo part numbers before purchasing to ensure proper fitment.)
Engineered as the ultimate forced-induction solution for your heavy-duty diesel. This complete VGT assembly flawlessly fits the 2011-2016 Chevrolet Silverado 2500 HD and 3500 HD, as well as the GMC Sierra 2500 HD and 3500 HD equipped with the LML engine. Bolt on reliable, heavy-duty boost the right way with BTSCAR's premium replacement turbocharger and tow with total confidence.
Free standard U.S. shipping
Eligible orders ship free to physical street addresses in the contiguous 48 states and Washington, DC. Orders normally process within 1 business day; transit is estimated at 3–5 business days, for 4–6 business days total after ordering. Business days exclude weekends and U.S. public holidays. Delivery estimates are not guaranteed. Alaska, Hawaii, U.S. territories, international destinations, P.O. Boxes and APO/FPO addresses are not supported.
Fulfillment and tracking
Eligible orders are fulfilled through Amazon Multi-Channel Fulfillment (MCF). BTSCAR remains the seller and handles customer service. Tracking is emailed after dispatch.
30-day returns and exchanges
Request an eligible return within 30 days of delivery. Standard returns must be new, unused, uninstalled and complete with original packaging. BTSCAR supplies a free prepaid return label, including for eligible change-of-mind returns, and charges no restocking fee. Contact support@btscar-us.com for authorization before returning anything; use only our label and instructions.
Refunds
After an eligible return is received and inspected, the refund is issued to the original payment method within 7 days. Bank posting times may be longer.
Full policies: https://btscar-us.com/policies/shipping-policy and https://btscar-us.com/policies/refund-policy
12-month limited warranty
Eligible products purchased directly from btscar-us.com are covered for 12 months from delivery against verified defects in materials or workmanship under normal automotive use.
Installed products
Installation does not automatically void warranty coverage. Installed items are not eligible for standard returns, but covered defects may qualify for warranty service. Incorrect installation, inadequate lubrication, contamination, overheating, misuse, racing, modifications and normal wear are excluded. Labor, diagnosis, towing and consequential expenses are excluded to the extent permitted by law. Statutory consumer rights remain unaffected.
Claim support
Email support@btscar-us.com with your order number, product or SKU, vehicle details and a description with photos or video. We may request reasonable installation or diagnostic information. Approved claims may receive replacement parts, an equivalent replacement, or a refund if no suitable replacement is available. We provide a prepaid label when an approved warranty item must be returned. Wait for our instructions before shipping.
Customer service
Phone / WhatsApp: +86 158 1943 1912. Daily, 10:00 AM–10:00 PM (GMT+8). We aim to respond within 24 hours; this is a target, not a guarantee.
Full warranty: https://btscar-us.com/pages/warranty-policy
