Don't waste time tracking down every gasket and seal for an LML engine rebuild. The Merchant Automotive Complete Engine Gasket Kit gathers everything needed to reseal a 2011 - 2016 LML 6.6 Liter Duramax in one box: Grade C head gaskets, front and rear main seals, valve cover gaskets, a full set of valve guide seals, injector seals, EGR and turbo gaskets, oil cooler and coolant seals, freeze plugs and RTV. Every part is matched to the LML, so nothing is missing when the engine goes back together.

Key Features

• Complete top-to-bottom gasket and seal kit for the LML 6.6 Liter Duramax
• Includes Grade C left and right head gaskets (safe for up to .008 Inch of machining)
• Front and rear crankshaft main seals
• 32 valve guide seals plus injector body seals, coppers and return line seals
• Full EGR, turbo, intake and coolant system gasket set
• 7 freeze plugs and 2 tubes of high-temp aluminum RTV included

Benefits

• One order covers the whole rebuild, with no hunting for individual seals
• Every gasket matched to the LML for correct fit
• Saves downtime waiting on back-ordered seals mid-build

Fitment

• 2011 - 2016 Chevrolet Silverado 2500HD / 3500HD 6.6 Liter Duramax LML
• 2011 - 2016 GMC Sierra 2500HD / 3500HD 6.6 Liter Duramax LML

Replacing your head bolts? Add the OEM Cylinder Head Bolt 36 Pack or upgrade to an ARP Duramax Head Stud Kit. Replacing injector lines?

See the LML High Pressure Injector Line Kit.

What's Included

• Cylinder heads and valvetrain: (1) Grade C left head gasket, (1) Grade C right head gasket, (2) upper valve cover gaskets, (2) lower valve cover gaskets, (32) valve guide seals
• Crankshaft and oiling: (1) front main seal, (1) rear main seal, (1) oil pump to block seal, (1) oil pump screen seal, (1) oil pressure relief valve seal, (1) engine front cover interior seal, (2) oil level indicator tube seals, (1) oil fill tube seal, (1) crankshaft position sensor seal
• Oil cooler: (1) oil cooler to block seal, (2) oil cooler seals, (1) oil cooler elbow gasket, (1) oil cooler to rear cover gasket
• Fuel system: (8) injector body seals, (8) injector coppers, (8) injector fuel return line seals, (4) fuel feed pipe gaskets, (1) CP4 pump bracket seal, (1) pump to adapter O-ring
• Intake: (2) intake Y-bridge gaskets, (1) upper Y-bridge seal, (1) intake air heater gasket, (1) throttle body to air heater gasket
• EGR: (2) EGR valve gaskets, (2) EGR to Y-bridge gaskets, (1) EGR valve cooler gasket, (1) EGR cooler-to-cooler gasket, (1) EGR recirculation pipe gasket, (1) up pipe to EGR gasket, (1) EGR coolant pipe drain seal
• Turbo and exhaust: (2) exhaust manifold gaskets, (2) exhaust manifold to up pipe gaskets, (2) turbo to up pipe gaskets, (1) turbo inlet mouthpiece seal, (1) turbo oil feed gasket, (2) turbo oil return gaskets (engine and turbo), (2) turbo coolant pipe banjo seals
• Cooling system: (1) water pump outlet gasket, (1) water pump to engine cover seal, (1) back of water pump to cover seal, (1) water pump pipe to cooler seal, (1) upper bypass pipe seal, (1) lower bypass pipe seal, (2) thermostat seals, (2) thermostat crossover gaskets, (1) rear adapter water housing cover gasket, (1) rear cover coolant seal kit, (2) block coolant drain gaskets, (7) freeze plugs
• PCV / crankcase ventilation: (1) PCV oil separator seal, (2) PCV drain hose fitting seals, (3) PCV valve seals
• Sealant: (2) tubes of high-temp aluminum RTV sealant, 2.8 oz

Details:

• Engine Manufacturer: Duramax
• Liter: 6.6 Liter
• Engine Designation: LML
• Engine Years: 2011-2016

Applications:

• 2011-2016 Silverado/Sierra 2500HD/3500HD LML