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Description
Merchant Automotive 10507 Oil Cooler Seal & Gasket KitEnsure you pick up the Merchant Automotive 10507 Oil Cooler Seal & Gasket Kit from GAP when replacing the faulty oil cooler on your 2001 2010 GM 6. 6L Duramax LB7 LLY LBZ LMM. Over time, your engine oil cooler's seals and gaskets can start to leak which can result in the catastrophic failure of your oil cooler or other vital engine components. This all in one Duramax engine oil cooler seal and gasket kit includes everything you need to either restore
Ensure you pick up the Merchant Automotive 10507 Oil Cooler Seal & Gasket Kit from GAP when replacing the faulty oil cooler on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM. Over time, your engine oil cooler's seals and gaskets can start to leak which can result in the catastrophic failure of your oil cooler or other vital engine components. This all-in-one Duramax engine oil cooler seal and gasket kit includes everything you need to either restore or reinstall your engine oil cooler on your 2001-2010 Duramax engine. This kit includes the outlet gasket, inlet gasket, and oil cooler seal to replace an already disassembled oil cooler.
Kit Includes:
1x Engine Oil Cooler Seal, LB7 LLY LBZ LMM LML LGH, 2001-2016
1x Water Pump Outlet Gasket, LB7 LLY LBZ LMM LML, 2001 - 2016
1x Heater Outlet Pipe Seal At Oil Cooler, LMM, 2007.5-2010
1x Gasket - Oil Cooler Elbow, LB7 LLY LBZ LMM LML LGH, 2001-2016
1x Oil Cooler Seal, LB7 LLY LBZ LMM LML LGH L5P 2001-2018
1x Oil Cooler Seal, LB7 LLY LBZ LMM LML LGH, 2001-2016
1x Water Pump Pipe To Cooler Seal, LB7 LY LBZ LMM LML LGH L5P, 2001-2018
1x Engine Oil Cooler Outlet Gasket, LB7 LLY LBZ LMM LML LGH L5P, 2001-2018
1x Engine Oil Cooler Inlet Gasket, LB7 LLY LBZ LMM LML LGH L5P, 2001-2018
Application Notes:
From 2001-2004 original coolers used a flat metal gasket where the cooler separates. This kit will not replace that gasket and cooler should be replaced.
If you have the newer style oil cooler, you may also need to purchase an Oil Cooler To Block Seal.
Features:
- Direct Replacement
- OEM Like Fitment
- All-In-One Kit
- Everything Needed To Reseal Oil Cooler
- Great For Restoring Oil Cooler
- Helps To Repair Leaks
Kit Includes:
1x Engine Oil Cooler Seal, LB7 LLY LBZ LMM LML LGH, 2001-2016
1x Water Pump Outlet Gasket, LB7 LLY LBZ LMM LML, 2001 - 2016
1x Heater Outlet Pipe Seal At Oil Cooler, LMM, 2007.5-2010
1x Gasket - Oil Cooler Elbow, LB7 LLY LBZ LMM LML LGH, 2001-2016
1x Oil Cooler Seal, LB7 LLY LBZ LMM LML LGH L5P 2001-2018
1x Oil Cooler Seal, LB7 LLY LBZ LMM LML LGH, 2001-2016
1x Water Pump Pipe To Cooler Seal, LB7 LY LBZ LMM LML LGH L5P, 2001-2018
1x Engine Oil Cooler Outlet Gasket, LB7 LLY LBZ LMM LML LGH L5P, 2001-2018
1x Engine Oil Cooler Inlet Gasket, LB7 LLY LBZ LMM LML LGH L5P, 2001-2018
Application Notes:
From 2001-2004 original coolers used a flat metal gasket where the cooler separates. This kit will not replace that gasket and cooler should be replaced.
If you have the newer style oil cooler, you may also need to purchase an Oil Cooler To Block Seal.
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
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Product Reviews
★★★★★ 5
Sound deading roller
These rollers are nice and heavy and work great for rolling out insulation in your vehicle sound deading
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Reviewed in the United States on April 15, 2026
★★★★★ 4
Sturdy
The ball bearings make them roll smooth. I've put plenty of pressure through them and no bending or breaking. The middle sized unit is probably the most useful. The small one has it's uses but can act like a pizza cutter and easily go through sound deadening mats. The large one has a little too much surface area to get a good crush on the mats.
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Reviewed in the United States on August 31, 2025
★★★★★ 5
Works great, good price
Makes installing sound deadening panels a breeze. A little elbow grease required but makes for perfect contact with the sheet metal and butyl.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Well Made Tools!
I have been installing Kilmat in my early 74 Datsun 260Z restoration and these tools are very nice for the price. I like them because they actually have ball bearings and move smoothly over the matting. The size selection is very handy as well and even has some nice finished wooden handles.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Perfect applicators tool
Tool worked great. Bonds sound proofing to metal perfectly.
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Reviewed in the United States on April 9, 2026
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