•  ♛Package includes:
  •  

    • 80shengchu

    W E L C O M E

    High Quality OE 98403365 Head Gasket KIT FOR 2007-2010 GMC SIERRA 3500 HD 6.6L

     ♛Package includes:

     

    • 1SET Engine Cylinder Head Gaskets KIT:​​​
    • ​Includes Grade “C” (1.05mm) Head Gaskets (Left and Right) and below components and more:​
    • 1 – Cylinder Head LH Gasket (1.05 mm)
    • 1 – Cylinder Head RH Gasket (1.05 mm)
    • 2 – Upper Valve Cover Gasket
    • 2 – Lower Valve Cover Gasket
    • 2 – Center Intake Manifold Gasket
    • 2 – Intake Manifold End Seal
    • 2 – Intake Manifold Seal
    • 1 – Upper Intake Manifold Gasket
    • 2 – Intake Manifold Gasket
    • 2 – Exhaust Manifold Gasket
    • 32 – Valve Stem Oil Seal
    • 1 – Oil Filler Tube Gasket
    • 2 – Coolant Thermostat Housing Gasket
    • 1 – Water Pump O-Ring
    • 2 – Coolant Thermostat Seal
    • 1 – Thermostat Bypass Pipe Seal
    • 1 – Thermostat Bypass Pipe Seal
    • 1 – HVAC Heater Outlet Pipe Seal
    • 1 – Coolant Outlet Pipe Seal
    • 1 – Turbocharger Coolant Line Gasket
    • 1 – PCV Valve Cover Gasket
    • 2 – Turbocharger Inlet Pipe Gasket
    • 2 – Turbocharger Inlet Pipe Gasket
    • 1 – Turbocharger Exhaust Outlet Elbow Gasket
    • 1 – Lower Turbo Oil Return Pipe Gasket
    • 1 – Upper Turbo Oil Return Pipe Gasket
    • 2 – Turbocharger Oil Feed Pipe Gasket
    • 1 – EGR Pipe Gasket
    • 1 – EGR Tube To EGR Valve Gasket
    • 1 – EGR Pipe Gasket
    • 1 – EGR Valve Gasket
    • 1 – EGR Valve Gasket

    ​

       Meets or exceeds OEM safety and durability standards!

      

       ♛Description:

     

    • Item Description:
    • These gaskets are designed to fit all LLY and LBZ Engines. Identifying the correct engine is crucial in selecting the correct gasket set. All LLY and LBZ engines have injectors that go THROUGH the valve cover. One engine model that is similar to these is the LMM. The main difference between the head gasket sets on these engines is the EGR Coolers. If the EGR Coolers are CYLINDRICAL then the engine is an LLY or LBZ and this is the correct gasket set. If the EGR Coolers are RECTANGULAR then the engine is an LMM and gaskets are located here. If the injectors are UNDER the valve cover the engine is an LB7 and the gaskets are located here.

    ​

    • Where is the head gaskets set located?:

    • Gaskets in the kit install at key engine sealing points:

    • Cylinder head gasket: Between cylinder head & engine block.
    • Oil pan gasket: Between oil pan & block bottom.
    • Intake/exhaust manifold gaskets: Between their manifolds & cylinder head/block.
    • Timing cover gasket: Between timing component housing & block/head.

    ​

    • What happens if you don’t replace a bad head gaskets set?:
    • Reusing aged or damaged gaskets during overhaul causes seal failure. This leads to oil leaks, coolant seepage, and combustion gas leakage, resulting in power loss, rough idling, overheating, and potential damage to rebuilt engine parts (e.g., oil starvation, overheating from coolant loss).

    ​

    • Symptoms of a bad head gaskets set may include:
    • Oil leaks (visible drips, low oil level)
    • Coolant leaks (puddles, dropping coolant level)
    • Rough idle or misfires (air/gas leakage)
    • Loss of engine power (inefficient combustion)
    • Unusual exhaust smoke (blue = oil, white = coolant)
    • Engine overheating (coolant leakage/circulation issues)

    ​

       ♛Features: 

     

    • Excellent Sealing
    • The Cylinder Head Gasket Set are constructed of premium materials and use advanced process manufacturing technology and precise alignment technology, allowing the gasket to be firmly attached to the cover and accurately mounted to the port.

    ​

    • Premium Gasket Material
    • The Cylinder Head Gasket Set meet specific OEM needs and provide superior sealing performance and durability.

    ​

    • Replacement
    • 100% tested before shipping makes the replacement work better at lower price and lasts longer.

    ​

    • Important reminder
    • Please check the description and compatibility chart before your purchasing. If you're not sure if it fits your car, please feel free to contact us.

    ​

       ♛Fit For: 

     ​

    • GM LLY 6.6L Duramax –  2004.5-05 VIN “2” 402 CID
    • GM LBZ 6.6L Duramax –  2006 VIN “D” 402 CID

    ​

    ​

            Dear Sir/Madam, hello.

    If you don't know the year of your car brand, don't worry, find your car's 17vin code and search for the year and model,Refer to the model list we provide at EABY to check if it is suitable for your car！

     

      

     


    Item Specifics
    Brand MODIGT
    Material Multiple Layers Steel (MLS) Head Gasket
    Type Engine Cylinder Head Gasket SET
    Placement on Vehicle Engine Compartment
    Items Included 1Set Engine Repair Gaskets Kit
    Universal Fitment No
    Kit or Single Part KIT
    OE/OEM Part Number 98403365，54582, 54585
    Interchange Part Number 54582, 54585, HS54580A, 02-10484-01, HSU26269-1, 98403365
    Features 1 Easy to Installation, Direct Fit
    Features 2 Perfect sealing performance
    Features 3 High temperature resistance. corrosion resistance
    Features 4 long service life reusable
    Manufacturer Warranty 2 Years

    Payment

    1. It will be much appreciated that you finish your payment asap or it will make UPI (unpaid item case) on your account leading to be suspended or restricted by eBay when those UPI cases carry over to certain amount.

    2. Any problems please contact us for more details.

    Shipping

    1. All items will be shipped to buyer's ebay address.

    2. All items will be shipped within 24-48 working hours upon receipt of payment, and multiple items will be combined shipping.

    3. In most cases, delivery takes around 3-5 business days, it's highly depended on the efficiency of the shpping carrier. If your item doesn't arrive on time, please contact us immediately for further assistance. Please note there is no local pickup service available.

    Returns

    If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one.
    Please Note:
    Please write us a message before your return, otherwise we will not accept the package.
    Any product you return must be in the same condition you received it and in the original packaging.

    Contact Us

    1. We care about our valued buyers, if you have any questions, our Customer Service staff will be very glad to help you. We try our best to reply your contact as soon as possible, please kindly allow 24 hours for us to response.

    2. Our goal is to make sure you are a happy buyer and pleasant shopping with us. Please Contact us before leaving any 1 or 2 star ratings, negative feedback or open any dispute. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues.

    80shengchu

    W E L C O M E

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    High Quality OE 98403365 Head Gasket KIT FOR 2007-2010 GMC SIERRA 3500 HD 6.6L

     ♛Package includes:

     

    • 1SET Engine Cylinder Head Gaskets KIT:​​​
    • ​Includes Grade “C” (1.05mm) Head Gaskets (Left and Right) and below components and more:​
    • 1 – Cylinder Head LH Gasket (1.05 mm)
    • 1 – Cylinder Head RH Gasket (1.05 mm)
    • 2 – Upper Valve Cover Gasket
    • 2 – Lower Valve Cover Gasket
    • 2 – Center Intake Manifold Gasket
    • 2 – Intake Manifold End Seal
    • 2 – Intake Manifold Seal
    • 1 – Upper Intake Manifold Gasket
    • 2 – Intake Manifold Gasket
    • 2 – Exhaust Manifold Gasket
    • 32 – Valve Stem Oil Seal
    • 1 – Oil Filler Tube Gasket
    • 2 – Coolant Thermostat Housing Gasket
    • 1 – Water Pump O-Ring
    • 2 – Coolant Thermostat Seal
    • 1 – Thermostat Bypass Pipe Seal
    • 1 – Thermostat Bypass Pipe Seal
    • 1 – HVAC Heater Outlet Pipe Seal
    • 1 – Coolant Outlet Pipe Seal
    • 1 – Turbocharger Coolant Line Gasket
    • 1 – PCV Valve Cover Gasket
    • 2 – Turbocharger Inlet Pipe Gasket
    • 2 – Turbocharger Inlet Pipe Gasket
    • 1 – Turbocharger Exhaust Outlet Elbow Gasket
    • 1 – Lower Turbo Oil Return Pipe Gasket
    • 1 – Upper Turbo Oil Return Pipe Gasket
    • 2 – Turbocharger Oil Feed Pipe Gasket
    • 1 – EGR Pipe Gasket
    • 1 – EGR Tube To EGR Valve Gasket
    • 1 – EGR Pipe Gasket
    • 1 – EGR Valve Gasket
    • 1 – EGR Valve Gasket

    ​

       Meets or exceeds OEM safety and durability standards!

      

       ♛Description:

     

    • Item Description:
    • These gaskets are designed to fit all LLY and LBZ Engines. Identifying the correct engine is crucial in selecting the correct gasket set. All LLY and LBZ engines have injectors that go THROUGH the valve cover. One engine model that is similar to these is the LMM. The main difference between the head gasket sets on these engines is the EGR Coolers. If the EGR Coolers are CYLINDRICAL then the engine is an LLY or LBZ and this is the correct gasket set. If the EGR Coolers are RECTANGULAR then the engine is an LMM and gaskets are located here. If the injectors are UNDER the valve cover the engine is an LB7 and the gaskets are located here.

    ​

    • Where is the head gaskets set located?:

    • Gaskets in the kit install at key engine sealing points:

    • Cylinder head gasket: Between cylinder head & engine block.
    • Oil pan gasket: Between oil pan & block bottom.
    • Intake/exhaust manifold gaskets: Between their manifolds & cylinder head/block.
    • Timing cover gasket: Between timing component housing & block/head.

    ​

    • What happens if you don’t replace a bad head gaskets set?:
    • Reusing aged or damaged gaskets during overhaul causes seal failure. This leads to oil leaks, coolant seepage, and combustion gas leakage, resulting in power loss, rough idling, overheating, and potential damage to rebuilt engine parts (e.g., oil starvation, overheating from coolant loss).

    ​

    • Symptoms of a bad head gaskets set may include:
    • Oil leaks (visible drips, low oil level)
    • Coolant leaks (puddles, dropping coolant level)
    • Rough idle or misfires (air/gas leakage)
    • Loss of engine power (inefficient combustion)
    • Unusual exhaust smoke (blue = oil, white = coolant)
    • Engine overheating (coolant leakage/circulation issues)

    ​

       ♛Features: 

     

    • Excellent Sealing
    • The Cylinder Head Gasket Set are constructed of premium materials and use advanced process manufacturing technology and precise alignment technology, allowing the gasket to be firmly attached to the cover and accurately mounted to the port.

    ​

    • Premium Gasket Material
    • The Cylinder Head Gasket Set meet specific OEM needs and provide superior sealing performance and durability.

    ​

    • Replacement
    • 100% tested before shipping makes the replacement work better at lower price and lasts longer.

    ​

    • Important reminder
    • Please check the description and compatibility chart before your purchasing. If you're not sure if it fits your car, please feel free to contact us.

    ​

       ♛Fit For: 

     ​

    • GM LLY 6.6L Duramax –  2004.5-05 VIN “2” 402 CID
    • GM LBZ 6.6L Duramax –  2006 VIN “D” 402 CID

    ​

    ​

            Dear Sir/Madam, hello.

    If you don't know the year of your car brand, don't worry, find your car's 17vin code and search for the year and model,Refer to the model list we provide at EABY to check if it is suitable for your car！

     

      

     

    Item Specifics
    Brand :MODIGT
    Material :Multiple Layers Steel (MLS) Head Gasket
    Type :Engine Cylinder Head Gasket SET
    Placement on Vehicle :Engine Compartment
    Items Included :1Set Engine Repair Gaskets Kit
    Universal Fitment :No
    Kit or Single Part :KIT
    OE/OEM Part Number :98403365，54582, 54585
    Interchange Part Number :54582, 54585, HS54580A, 02-10484-01, HSU26269-1, 98403365
    Features 1 :Easy to Installation, Direct Fit
    Features 2 :Perfect sealing performance
    Features 3 :High temperature resistance. corrosion resistance
    Features 4 :long service life reusable
    Manufacturer Warranty :2 Years


    1. It will be much appreciated that you finish your payment asap or it will make UPI (unpaid item case) on your account leading to be suspended or restricted by eBay when those UPI cases carry over to certain amount.

    2. Any problems please contact us for more details.

    1. All items will be shipped to buyer's ebay address.

    2. All items will be shipped within 24-48 working hours upon receipt of payment, and multiple items will be combined shipping.

    3. In most cases, delivery takes around 3-5 business days, it's highly depended on the efficiency of the shpping carrier. If your item doesn't arrive on time, please contact us immediately for further assistance. Please note there is no local pickup service available.

    If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one.
    Please Note:
    Please write us a message before your return, otherwise we will not accept the package.
    Any product you return must be in the same condition you received it and in the original packaging.

    1. We care about our valued buyers, if you have any questions, our Customer Service staff will be very glad to help you. We try our best to reply your contact as soon as possible, please kindly allow 24 hours for us to response.

    2. Our goal is to make sure you are a happy buyer and pleasant shopping with us. Please Contact us before leaving any 1 or 2 star ratings, negative feedback or open any dispute. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues.


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