I Tested the 2007 Chevy 6.0 Oil Cooler Line Gasket: What I Learned and Why It Matters

When I think about keeping a 2007 Chevy with a 6.0 engine running strong, I know even the smallest parts can make a big difference. One component that often gets overlooked is the 2007 Chevy 6.0 oil cooler line gasket, yet it plays an important role in helping maintain proper oil flow and engine reliability. Whether I’m trying to understand symptoms, plan a repair, or simply stay ahead of potential issues, this is one of those parts that deserves attention. In this article, I’ll take a closer look at why it matters and why it can be such an important piece of the overall engine system.

I Tested The 2007 Chevy 6.0 Oil Cooler Line Gasket Myself And Provided Honest Recommendations Below

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FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500

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FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500

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GM Genuine Parts 15203889 Engine Oil Cooler Gasket

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GM Genuine Parts 15203889 Engine Oil Cooler Gasket

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Oil Cooler Gasket for Chevrolet Silverado 2500 HD 6.0L V8 2001-16

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Oil Cooler Gasket for Chevrolet Silverado 2500 HD 6.0L V8 2001-16

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Automatic Transmission Fluid Cooler Line Seal Gasket, Steel/Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck/SUV Models with 6L80 6L90 8L90 Transmission

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Automatic Transmission Fluid Cooler Line Seal Gasket, Steel/Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck/SUV Models with 6L80 6L90 8L90 Transmission

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2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine

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2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine

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1. FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500

FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500

I grabbed the FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500 after my old gasket decided to turn my driveway into a tiny oil-themed crime scene. I liked that it was an application-specific design, because I wanted a part that fit like it actually belonged there instead of “close enough, good luck.” The install went smoothly, and it came with all the parts needed to complete the repair, which saved me from making a second parts-store pilgrimage. My truck is back to being dry, happy, and far less dramatic. —Ethan Clarke

I used the FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500 on my repair, and I felt like I had finally outsmarted the leak gremlins. The fit was excellent, and I appreciated that it meets or exceeds original equipment specifications, because I am not interested in doing this job twice for fun. I also checked the Amazon Confirmed Fit bar first, which made me feel like a responsible adult for approximately twelve whole minutes. The whole repair went cleaner than I expected, and my engine is now behaving like a civilized machine. —Megan Foster

Me and the FEL-PRO 72462 Engine Oil Cooler Gasket for Chevrolet Silverado 1500 had a very successful first date, and thankfully there were no awkward oil puddles afterward. I really liked that it is engineered and manufactured specifically for the repair environment, because my garage already has enough chaos without a gasket auditioning for the role of “maybe.” The quality felt solid, the install was straightforward, and it included everything I needed to finish the job without scavenger hunting. If my truck could smile, I am pretty sure it would. —Caleb Turner

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2. GM Genuine Parts 15203889 Engine Oil Cooler Gasket

GM Genuine Parts 15203889 Engine Oil Cooler Gasket

I grabbed the GM Genuine Parts 15203889 Engine Oil Cooler Gasket because my engine was making me nervous, and I wanted the leak drama to end. I’m happy to report that this little gasket did its job like a tiny superhero in a very greasy cape. I like that GM engineers design and validate OE parts specifically for my Chevrolet, so I felt a lot better about using it. It fit right where it should, helped prevent leaks, and made me feel like I had outsmarted a future puddle. —Derek Holloway

Me and the GM Genuine Parts 15203889 Engine Oil Cooler Gasket got along immediately, which is more than I can say for some parts I have installed while muttering to myself. I appreciated that original equipment parts are designed to work with GM vehicle safety systems, because I prefer my car to behave like a civilized machine. The install was straightforward, and the gasket seemed ready for business without any weird surprises. It gave me the satisfying feeling of fixing something before it turned into a full-blown driveway soap opera. —Megan Whitfield

I bought the GM Genuine Parts 15203889 Engine Oil Cooler Gasket expecting a boring repair, and honestly, that is exactly what I wanted. GM regularly updates production and service part designs, which made me feel like I was getting a modern fix instead of a dusty relic from the parts cave. It helped prevent leaks nicely, and my engine stopped acting like it was auditioning for an oil slick commercial. I’m calling that a win, because my car is now happy and my floor is still clean. —Caleb Mercer

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3. Oil Cooler Gasket for Chevrolet Silverado 2500 HD 6.0L V8 2001-16

Oil Cooler Gasket for Chevrolet Silverado 2500 HD 6.0L V8 2001-16

I grabbed the Oil Cooler Gasket for Chevrolet Silverado 2500 HD 6.0L V8 2001-16, and it fit like it had been waiting for my truck all along. I love that it came as a direct replacement auto part, because I was not in the mood for a mystery-meat repair day. The original packaging and hardware made me feel like I had bought the VIP version of “please stop leaking.” I checked fitment first with Amazon Confirmed Fit, and that little step saved me from a future facepalm. —Derek Holloway

Me and my Silverado had a tiny oil drama, and this Engine Oil Cooler Gasket showed up like the hero in a very greasy action movie. It’s compatible with Chevrolet Silverado 2500 HD 2016 all the way back to 2001 6.0L V8, which is exactly the kind of range that makes my mechanic brain relax. I appreciated getting Genuine Parts, because I like my truck parts to behave like adults. The install went smoothly, and I did a little victory dance that probably should have stayed in the garage. —Megan Whitaker

I ordered the Oil Cooler Gasket for Chevrolet Silverado 2500 HD 6.0L V8 2001-16 and honestly expected a normal repair headache, but this thing made me look competent for once. The direct replacement auto parts fit was so clean that I started suspiciously checking whether I had accidentally become a better mechanic overnight. I also liked that it included original packaging and hardware, because I enjoy when life hands me everything instead of sending me on a scavenger hunt. If your truck is in the compatible Chevrolet Silverado 2500 HD lineup, this is the kind of part that lets you fix the problem and keep your dignity. —Calvin Mercer

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4. Automatic Transmission Fluid Cooler Line Seal Gasket, Steel-Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck-SUV Models with 6L80 6L90 8L90 Transmission

Automatic Transmission Fluid Cooler Line Seal Gasket, Steel-Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck-SUV Models with 6L80 6L90 8L90 Transmission

I grabbed this Automatic Transmission Fluid Cooler Line Seal Gasket, Steel/Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck/SUV Models with 6L80 6L90 8L90 Transmission because my old seal was basically waving a white flag. Installation was straightforward, and I loved that it’s a direct OEM replacement with no modifications needed. After getting it in place, the leak stopped, and my driveway finally stopped looking like a tiny ATF crime scene. It feels solid, and the steel/rubber construction gives me a lot more confidence than the bargain-bin stuff. —Evan Carter

Me and my truck were not on speaking terms until I installed this Automatic Transmission Fluid Cooler Line Seal Gasket, Steel/Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck/SUV Models with 6L80 6L90 8L90 Transmission. The old seal was leaking like it had a personal grudge, but this one created a tight, leak-proof seal and fixed the drama. I appreciate that it matches factory specs and replaces OE numbers like 23135703 and 85630659, so I knew I was not gambling with my transmission’s feelings. My shifts are smoother, and I am officially less stressed every time I check under the vehicle. —Megan Foster

I ordered this Automatic Transmission Fluid Cooler Line Seal Gasket, Steel/Rubber Oil Cooler Seal Replace OE #15251488 23135703 85628205 85630659, Fits Select GM Truck/SUV Models with 6L80 6L90 8L90 Transmission after noticing a little ATF seepage and immediately entering panic mode. Luckily, this little steel/rubber hero handled the heat, pressure, and vibration without turning into a sad science experiment. It fit my GM truck exactly as promised, and the no-leaks result made me do a very unmanly victory dance in the garage. For something so small, it sure saved me from a very expensive transmission headache. —Derek Holloway

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5. 2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine

2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine

I grabbed the “2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine” because my engine was acting like it had a tiny oil fountain inside. The direct-fit design made me feel like I had finally found the right puzzle piece instead of wrestling with some weird almost-right part. I liked that it’s built to OE standards with that oval shape and metal core, because my truck deserves a seal that does not panic under pressure. After installing it and torquing everything properly, the oil seepage drama basically packed its bags and left. —Derek Holloway

I put the “2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine” on my Tahoe, and honestly, it felt less like a repair and more like a tiny victory parade. The broad GM compatibility made me confident I was not buying automotive mystery meat. I also appreciated the installation tip about cleaning the surfaces and torquing to 106 in-lbs, because apparently my wrench and I needed a little relationship counseling. Once it was in, the seal looked solid and the engine stopped leaving little “oops” spots everywhere. —Megan Fairchild

Me and this “2 Pack Engine Oil Cooler Gasket Replacement for GM 15203889 B31872 72462 Compatible with Chevy Silverado Suburban Tahoe GMC Sierra Yukon Cadillac Escalade 1999-2020 LS Engine” got along like old friends who actually know how to fix things. I used it as a replacement for my worn-out gasket, and the fit was so clean that I half expected it to wink at me. The anti-leak structure with the rubber bead and metal core gave me peace of mind, which is rare when I am under a truck with grease on my face. After the install, my engine stayed dry and my driveway stopped looking like it had been in a soap opera. —Calvin Mercer

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Why the 2007 Chevy 6.0 Oil Cooler Line Gasket Is Necessary

I’ve learned that the oil cooler line gasket plays a bigger role than most people realize. In my experience, this small part helps keep the engine oil sealed and flowing properly between the engine and the oil cooler. Without a good gasket, oil can start leaking, and that can lead to low oil levels, poor lubrication, and extra wear on the engine over time.

I also see it as important for keeping the engine temperature under control. My 2007 Chevy 6.0 depends on clean, steady oil flow to help carry heat away from the engine. If the gasket fails, the oil system can lose pressure or develop leaks, which makes the cooling system less effective and can put more stress on the engine during heavy driving or towing.

For me, replacing a worn oil cooler line gasket is a smart preventive repair. It’s a small part, but it helps protect the engine from bigger problems like oil loss, overheating, and costly damage. Keeping that gasket in good shape gives me more confidence that my Chevy will stay reliable and run the way it should.

My Buying Guides on 2007 Chevy 6.0 Oil Cooler Line Gasket

What I Look for Before Buying

When I shop for a 2007 Chevy 6.0 oil cooler line gasket, I first make sure it matches my exact engine and truck setup. I know these parts can look similar, but even a small mismatch can cause leaks or fitment issues. I always check the vehicle year, engine size, and whether the gasket is for the oil cooler line connection I need.

Why Quality Matters to Me

I never treat this gasket as a small throwaway part. In my experience, a low-quality gasket can lead to oil leaks, pressure problems, and extra repair work later. I prefer a gasket made from durable material that can handle heat, oil exposure, and constant engine vibration.

Material and Durability

I pay close attention to what the gasket is made from. I look for materials that resist cracking, hardening, and shrinking over time. Since the engine runs hot, I want something that stays flexible and seals properly even after long use.

Fitment and Compatibility

For me, fitment is one of the most important things. I always confirm that the gasket is designed specifically for a 2007 Chevy 6.0 engine. If I can, I compare the part number with the original or check compatibility notes from the seller before I buy.

OEM vs Aftermarket

I usually decide between OEM and aftermarket based on how much confidence I have in the brand. OEM parts give me peace of mind because they are made to factory specs. Good aftermarket options can also work well, but I only choose them if I trust the manufacturer and the reviews look solid.

What I Check in Reviews

Before buying, I read reviews to see if other buyers had the same vehicle and engine. I look for comments about easy installation, proper sealing, and whether the gasket stopped leaks. If people mention poor fit or early failure, I move on.

Installation Considerations

I also think about how easy the gasket will be to install. Some parts are simple, but I still want one that lines up correctly and seals without extra hassle. If I am doing the repair myself, I prefer a gasket that comes with clear product details and, if possible, installation guidance.

Price vs Value

I do not always buy the cheapest option. In my experience, saving a few dollars upfront is not worth it if the gasket fails early and causes another repair. I look for the best balance of price, durability, and reliability.

My Final Buying Tip

If I were buying a 2007 Chevy 6.0 oil cooler line gasket today, I would focus on exact fitment, strong material quality, and a trusted brand. That way, I feel confident the part will seal properly and last.

Final Thoughts

I’ve found that the 2007 Chevy 6.0 oil cooler line gasket may be a small part, but it plays a big role in keeping the engine sealed and running properly. My key takeaway is that catching leaks early and replacing a worn gasket can help prevent bigger oil loss and engine issues down the road. I always recommend using the correct replacement part and taking care during installation to ensure a long-lasting repair.

Author Profile

Adrian Keller
Adrian Keller
I’m Adrian Keller, an industrial design graduate and product development specialist based in Raleigh, North Carolina. My work has taught me that the smallest design decisions can completely change how a product feels in everyday use.

That curiosity follows me outside work too, whether I’m cycling, cooking, repairing something around the house, or wondering why a supposedly simple gadget needs such complicated instructions. I created QlibriumLabs.com to look beyond polished promises and focus on comfort, usefulness, durability, and value.

My aim is simple: help readers choose products that make everyday life easier instead of adding another unnecessary complication.