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Description
Merchant Automotive 450400C Engine Gasket Set (With Head Gaskets)The Merchant Automotive 450400C Engine Gasket Set (With Head Gaskets) from GAP is what you need to rebuild your GM 6. 6L Diesel LML engine. When replacing blown head gaskets or rebuilding an LML Duramax diesel engine, you are going to need a large variety of gaskets and seals to get the job done. Merchant Automotive has put together this LML Duramax Diesel engine gasket kit to help you get the job done. Featuring OE style and upgraded parts, this kit
The Merchant Automotive 450400C Engine Gasket Set (With Head Gaskets) from GAP is what you need to rebuild your GM 6.6L Diesel LML engine. When replacing blown head gaskets or rebuilding an LML Duramax diesel engine, you are going to need a large variety of gaskets and seals to get the job done. Merchant Automotive has put together this LML Duramax Diesel engine gasket kit to help you get the job done. Featuring OE-style and upgraded parts, this kit will help ensure that your LML gaskets perform to OE spec.
Kit Includes:
Grade C Head Gaskets
(1) - Injector Copper, LLY LBZ LMM LML, 2004.5+, Pack of 8
(1) - LML Injector Body Seal, 2011+, 8 Pack, Duramax
(1) - LML Injector Fuel Return Line Seal, 2011-2016, 8 Pack, Duramax
(1) - EGR Coolant Pipe Drain Seal, LML LGH, 2011-2016 Duramax
(2) - Upper Valve Cover Gasket, LML LGH, 2011-2016 Duramax
(1) - PCV Valve Seal, LML, 2011 Duramax
(1) - Upper Bypass Pipe Seal at Thermostat Housing, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(1) - Bypass Pipe Seal, LB7 LLY LBZ LMM LML, 2001-2016 Duramax
(2) - Oil Level Indicator Tube Seal, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - Gasket - Exhaust Manifold To Up Pipe, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - Gasket - Turbo To Up Pipe, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - Intake Y Bridge Gasket, LBZ LMM LML LGH, 2006-2016 Duramax
(1) - RTV Sealant, High Temp, Aluminum, 2.8oz LB7 LLY LBZ LMM LML, L5P 2001-2019 Duramax
(1) - Fuel Feed Pipe Gasket, LML LGH, 2011-2016 Duramax
(2) - Thermostat Housing Crossover At Head Gasket, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(1) - Turbo Oil Feed Pipe Gasket, At Engine, LML LGH, 2011-2016 Duramax
(1) - Upper Intake Y Bridge Seal, LML, 2011-2016 Duramax
(1) - Turbo Mouthpiece Inlet Seal, LML LGH, 2011-2016 Duramax
(2) - EGR To Y Bridge Gasket, LML LGH, 2011-2016 Duramax
(1) - Oil Fill Tube Seal, LB7 LLY LBZ LMM LML, 2001-2016 Duramax
(2) - EGR Valve Gasket, LML LGH, 2011-2016 Duramax
(1) - Up Pipe To EGR Gasket, Cooler Bypass, LML, 2011-2016 Duramax
(1) - EGR Valve Cooler Gasket, LML, 2011-2016 Duramax
(1) - EGR Valve Gasket, Between EGR Cooler Assembly, LML, 2011-2016 Duramax
(1) - EGR Recirculation Pipe Gasket, LML, 2011-2016 Duramax
(2) - Exhaust Manifold Gasket, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - PCV Drain Ventilation Hose Fitting Seal, Hose Side And Block Side, LML LGH, 2011-2016 Duramax
(1) - Turbo Oil Return Pipe Gasket At Engine, LML LGH, 2011-2016 Duramax
(1) - PCV Oil Separator Seal, LML LGH, 2011-2016 Duramax
(2) - PCV Valve Seal, LML, 2012-2016, Turbo Resonator, LML, 2011-2016 Duramax
(2) - Lower Valve Cover Gasket LLY LBZ LMM LML
Kit Includes:
Grade C Head Gaskets
(1) - Injector Copper, LLY LBZ LMM LML, 2004.5+, Pack of 8
(1) - LML Injector Body Seal, 2011+, 8 Pack, Duramax
(1) - LML Injector Fuel Return Line Seal, 2011-2016, 8 Pack, Duramax
(1) - EGR Coolant Pipe Drain Seal, LML LGH, 2011-2016 Duramax
(2) - Upper Valve Cover Gasket, LML LGH, 2011-2016 Duramax
(1) - PCV Valve Seal, LML, 2011 Duramax
(1) - Upper Bypass Pipe Seal at Thermostat Housing, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(1) - Bypass Pipe Seal, LB7 LLY LBZ LMM LML, 2001-2016 Duramax
(2) - Oil Level Indicator Tube Seal, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - Gasket - Exhaust Manifold To Up Pipe, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - Gasket - Turbo To Up Pipe, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - Intake Y Bridge Gasket, LBZ LMM LML LGH, 2006-2016 Duramax
(1) - RTV Sealant, High Temp, Aluminum, 2.8oz LB7 LLY LBZ LMM LML, L5P 2001-2019 Duramax
(1) - Fuel Feed Pipe Gasket, LML LGH, 2011-2016 Duramax
(2) - Thermostat Housing Crossover At Head Gasket, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(1) - Turbo Oil Feed Pipe Gasket, At Engine, LML LGH, 2011-2016 Duramax
(1) - Upper Intake Y Bridge Seal, LML, 2011-2016 Duramax
(1) - Turbo Mouthpiece Inlet Seal, LML LGH, 2011-2016 Duramax
(2) - EGR To Y Bridge Gasket, LML LGH, 2011-2016 Duramax
(1) - Oil Fill Tube Seal, LB7 LLY LBZ LMM LML, 2001-2016 Duramax
(2) - EGR Valve Gasket, LML LGH, 2011-2016 Duramax
(1) - Up Pipe To EGR Gasket, Cooler Bypass, LML, 2011-2016 Duramax
(1) - EGR Valve Cooler Gasket, LML, 2011-2016 Duramax
(1) - EGR Valve Gasket, Between EGR Cooler Assembly, LML, 2011-2016 Duramax
(1) - EGR Recirculation Pipe Gasket, LML, 2011-2016 Duramax
(2) - Exhaust Manifold Gasket, LB7 LLY LBZ LMM LML LGH, 2001-2016 Duramax
(2) - PCV Drain Ventilation Hose Fitting Seal, Hose Side And Block Side, LML LGH, 2011-2016 Duramax
(1) - Turbo Oil Return Pipe Gasket At Engine, LML LGH, 2011-2016 Duramax
(1) - PCV Oil Separator Seal, LML LGH, 2011-2016 Duramax
(2) - PCV Valve Seal, LML, 2012-2016, Turbo Resonator, LML, 2011-2016 Duramax
(2) - Lower Valve Cover Gasket LLY LBZ LMM LML
WARRANTY INFO:
1 Year Limited
Note: Head Gaskets Included & Head Bolts NOT Included
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
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Product Reviews
★★★★★ 5
Bright & Pretty Hot Pink.
Color: Pitaya Red, Color: Pitaya Red
Very pretty and bright. It’s thick and great quality. Strong grip and doesn’t come off easily. Easy to clean when it gets dirty. It also has a nice backing. I prefer the transparent bright pink backing than the clear version. I love the strong magnetic for when I position it upwards. It can be positioned downwards too.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Very protective iPad case
Color: 1-Navy Blue
This MoKo iPad case is excellent! It fits perfectly and provides great protection without adding bulk. The navy blue color looks very sleek, and the translucent back shell is a nice touch. It’s super magnetic, with great padding. The smart cover works flawlessly with the auto wake/sleep feature, and the cutouts line up perfectly for Touch ID. Lightweight, durable, and a fantastic value!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Fits the new iPads. Buttons are easily accessible.
Color: 1-Navy Blue
Fits the new iPad. Buttons are easy to reach, and it protects the screen with a soft fell back. Easy white clean vinyl on the outside. It has open vent spots so your device can cool. Slim and sleek. A great value for the money. Buttons are easily accessible. High-quality.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Perfect, it fits like a glove.
Color: 1-Navy Blue
I really liked the sleeve, the navy blue color looks very elegant and the material feels resistant but soft to the touch. What I like the most is that the back is translucent, so you still see the design of the tablet.
It works great for watching videos because it stands firm when folding it, and turning off the screen alone when closing it is very practical. Because of the price it has, the quality is excellent.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Great Protective Case for My Mother’s iPad
Color: 2-Watermelon Red, Color: 2-Watermelon Red
I bought this case along with my mother’s new iPad, and it was the perfect choice. The watermelon red color looks beautiful with the pink iPad and gives it a very clean and stylish look. The case feels sturdy without adding too much weight, which makes it comfortable for her to carry around and use every day.
The stand feature works really well for watching videos, reading, and video calls. I also like that the case supports the auto wake and sleep function, which makes the iPad feel even more convenient and easy to use. The cutouts fit perfectly, and Touch ID still works without any issues.
The translucent back is a nice touch because it still lets the iPad color show through while keeping it protected from scratches and bumps. Overall, this case exceeded expectations and makes a great addition for anyone wanting both protection and style for their iPad.
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Reviewed in the United States on May 14, 2026