Vehicle Compatibility (For GM 6.6L L5P Duramax DIESEL Engines ONLY):
(Fitment Warning: Specifically designed for the L5P Duramax V8 Diesel. This will NOT fit the 2020+ 6.6L L8T Gas engines. Please verify your VIN and engine code before purchase.)
Compatible Vehicles for Chevrolet:
2017-2021 Chevrolet Silverado 2500 HD (6.6L L5P Duramax Diesel)
2017-2021 Chevrolet Silverado 3500 HD (6.6L L5P Duramax Diesel)
Compatible Vehicles for GMC:
2017-2021 GMC Sierra 2500 HD (6.6L L5P Duramax Diesel) 2017-2021 GMC Sierra 3500 HD (6.6L L5P Duramax Diesel)
Interchange/OE Part Numbers: 12683993, 12709175, 12683985, 12689094, 12679694, 11547786, 12841015063, 12709701050, 12709701044, 12709701026, 12709701051, 12739700100.
What's Included in the Package List:
- 1x Complete Turbocharger Assembly (Turbine & Compressor Housings, Cartridge)
- 1x Exhaust Manifold Mounting Gasket
- 2x Coolant / Oil Connection Gaskets (Note: VGT Electronic Actuator is NOT included)
Restore Peak Power: 6.6L L5P Duramax Turbocharger Assembly (2017-2021)
Is your 6.6L L5P Duramax struggling with persistent underboost codes (P0299), sluggish acceleration, or a complete loss of towing power? These are common indicators that your turbocharger is reaching the end of its service life. Bring your 2017-2021 Chevrolet Silverado or GMC Sierra 2500HD/3500HD back to factory-spec performance with this direct-replacement Turbocharger Assembly. Precision-engineered for a seamless fit, this unit is designed to resolve boost leaks and restore the reliability your heavy-duty truck demands.
This turbocharger assembly is built to withstand the rigors of modern diesel towing. It features a precision-balanced compressor and turbine wheel set, housed within high-strength, high-temperature alloy casings to ensure longevity and optimal thermal management under high-boost conditions. To ensure a leak-free installation, we include the essential exhaust manifold mounting gasket and coolant/oil connection gaskets. This unit is the ideal solution for getting your L5P Duramax back on the road without the premium price tag of a dealership component.
(⚠️ CRITICAL INSTALLATION NOTE: This listing includes the mechanical turbocharger assembly ONLY. It does NOT include the VGT Electronic Actuator. You must transfer your original, functioning electronic actuator to this new unit. Professional recalibration using a diagnostic scan tool is STRICTLY REQUIRED after installation to ensure proper variable vane operation and to avoid immediate performance issues or turbo failure.)
Engineered specifically for the GM 6.6L L5P Duramax V8 Diesel engine. This assembly flawlessly fits 2017-2021 Chevy Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD trucks.
(Fitment Warning: This unit is for Diesel engines ONLY. It will NOT fit the 2020+ 6.6L L8T Gasoline engines. Please verify your VIN and engine code before purchasing.)
Upgrade your truck's performance with BTSCAR's premium replacement turbocharger and drive with the confidence of factory-grade boost.
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