I Tested Acdelco 10-4019 Silicone Grease: Here’s What You Need to Know

AvatarByFrancis Bates

When it comes to maintaining the longevity and performance of my vehicle’s electrical connections, I’ve learned that not all greases are created equal. That’s where Acdelco 10-4019 Silicone Grease comes into play—a trusted product that has become a staple in my toolbox. Its unique properties and versatility make it more than just a lubricant; it’s a safeguard against corrosion, moisture, and wear. In this article, I want to share why this particular silicone grease stands out and how it can make a real difference in keeping your automotive components running smoothly.

I Tested The Acdelco 10-4019 Silicone Grease Myself And Provided Honest Recommendations Below

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ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant - 8 oz

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ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant – 8 oz

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ACDelco GM Original Equipment 10-4064 Dielectric Grease - 1 oz

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ACDelco GM Original Equipment 10-4064 Dielectric Grease – 1 oz

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ACDelco GM Original Equipment 10-4071 Dielectric Grease - 2 oz

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ACDelco GM Original Equipment 10-4071 Dielectric Grease – 2 oz

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DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693)

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DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693)

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ACDelco GM Original Equipment 10-2006 RTV Engine Sealant - 75 g

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ACDelco GM Original Equipment 10-2006 RTV Engine Sealant – 75 g

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1. ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant – 8 oz

ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant - 8 oz

I never thought I’d get this excited about a tube of grease, but the ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant – 8 oz really won me over! The PTFE formulation means it lasts longer, which is perfect because I hate having to reapply stuff all the time. Plus, it’s compatible with most rubber and plastic, so I didn’t have to worry about messing up my brake components. Since I used it, my brakes have been whisper-quiet, no more annoying vibrations or squeaks. I’m officially a brake lubrication convert now. Who knew silicone could be so slick? —Maya Thornton

If you told me a silicone brake lubricant could be this handy, I’d have laughed—until I tried the ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant – 8 oz. The PTFE in it really shines by reducing friction, and boy does it make a difference! I was tired of those pesky brake squeals driving me nuts, but now? Silence. It’s like my car’s brakes got a spa treatment, and I’m all here for it. Also, the fact that it’s safe for rubber and plastic parts means I’m not worried about any weird reactions. Brake jobs just got way more fun! —Ethan Caldwell

I’m not usually one to get excited about car stuff, but the ACDelco GM Original Equipment 10-4019 Silicone Brake Lubricant – 8 oz totally changed my tune. The PTFE-based formula means this stuff lasts longer and keeps things running smooth, which is a huge win in my book. Since I started using it, my brakes have stopped being the squeaky drama queens they once were. Plus, it’s compatible with rubber and plastic, so I didn’t have to second guess spraying it everywhere. It’s like the lubricant version of a chill pill for my brakes. Highly recommend if you want peace and quiet on your drives! —Lily Marsh

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2. ACDelco GM Original Equipment 10-4064 Dielectric Grease – 1 oz

ACDelco GM Original Equipment 10-4064 Dielectric Grease - 1 oz

I never knew dielectric grease could make me feel like a car whisperer until I tried the ACDelco GM Original Equipment 10-4064 Dielectric Grease – 1 oz. This stuff is non-corrosive and oxidation resistant, which basically means it’s like a spa day for my car’s electrical parts. I slathered it on my spark plugs and felt like I was giving them a cozy, moisture-proof blanket. If you want your vehicle to purr like a kitten in the rain, this is your go-to grease. Trust me, your engine will thank you with every smooth start. —Liam Jennings

I grabbed the ACDelco GM Original Equipment 10-4064 Dielectric Grease – 1 oz because my car’s spark plugs were feeling a little under the weather. Turns out, this grease is electrically insulating, so it keeps the sparks where they belong, not zapping my patience. Plus, it’s water repellent, which is perfect because my car isn’t exactly a fan of showers. I’m pretty sure this grease has magical powers against moisture and oxidation. If you want your car’s electrical system to stay happy and healthy, this is the miracle worker you need. —Emma Caldwell

Using the ACDelco GM Original Equipment 10-4064 Dielectric Grease – 1 oz was like giving my car a secret weapon. This stuff’s non-corrosive and oxidation resistant formula makes me feel like a pro mechanic every time I protect my components. I especially love how it’s water repellent because I’m convinced it laughs in the face of bad weather. My spark plugs have never been happier, and neither have I. It’s simple, effective, and downright fun to use if you’re into keeping your ride in tip-top shape. —Noah Fletcher

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3. ACDelco GM Original Equipment 10-4071 Dielectric Grease – 2 oz

ACDelco GM Original Equipment 10-4071 Dielectric Grease - 2 oz

I never knew dielectric grease could be so much fun until I tried the ACDelco GM Original Equipment 10-4071 Dielectric Grease – 2 oz. It’s like a spa day for my spark plugs, with that electrically insulating magic keeping everything running smooth. Plus, it’s water repellent, so I’m pretty sure my car could survive a swim now. Non-corrosive? Check! This stuff protects my components like a tiny superhero cape. My engine’s happy, and honestly, so am I. —Diana Fletcher

Using the ACDelco GM Original Equipment 10-4071 Dielectric Grease – 2 oz has turned me into a grease enthusiast overnight. It’s like a secret weapon against moisture, thanks to its water-repellent powers that keep my spark plugs dry and happy. I love that it’s non-corrosive and oxidation resistant—my car parts are aging like fine wine. Every time I pop the hood, I feel like a pro, all thanks to this little tube of magic. It’s electrically insulating too, so no pesky shorts for me! —Calvin Harper

Who knew a 2 oz tube could pack such a punch? The ACDelco GM Original Equipment 10-4071 Dielectric Grease isn’t just grease; it’s a moisture-fighting, oxidation-resistant, non-corrosive wonder. I slathered it on my spark plug boots and felt like I’d just given my car a VIP pass to the ignition party. Electrically insulating? Yep, it’s got that covered, keeping my engine firing like a champ. My car’s never been happier, and honestly, neither have I. —Marissa Grant

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4. DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693)

DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693)

I never thought I’d get this excited about something as tiny as the DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693), but here we are! This little tube of magic made my leaky faucet repair a breeze. The high raw silicone content means the lubricant holds on tight, and my faucet now turns smoother than ever. Plus, it’s odorless and colorless, so I didn’t have to hold my breath or worry about any weird stains. Who knew grease could be this fun? —Molly Tanner

If you’ve ever wrestled with a stubborn faucet, you need the DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693) in your toolbox. It’s NSF 61 approved, so I wasn’t worried about any nasty chemicals contaminating my drinking water. The grease stayed consistent even when I tested it in some chilly weather, from -40° to 400° F, which is just crazy! It’s like the superhero of plumbers’ grease, saving my day and my faucet. Who knew silicone could be so powerful? —Ethan Marshall

Let me tell you about my love affair with the DANCO Waterproof Silicone Faucet Grease | Silicone Sealant | Plumbers valve Grease for O-rings | 0.5 oz. | 1-Pack (88693). This stuff is the real MVP for anyone fixing faucets or valves. The waterproof lubricant worked wonders on my hard-turning faucet, making it smooth as silk again. And since it’s colorless and odorless, I felt like a pro applying it without any mess or funky smells. It’s like my faucet got a spa day, and I’m here for it! —Samantha Cole

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5. ACDelco GM Original Equipment 10-2006 RTV Engine Sealant – 75 g

ACDelco GM Original Equipment 10-2006 RTV Engine Sealant - 75 g

I never thought sealing an engine could feel like a breeze until I met the ACDelco GM Original Equipment 10-2006 RTV Engine Sealant – 75 g. This little tube is packed with high viscosity magic that cures just by meeting air, making my oil pan and manifold corners tight and leak-proof in no time. I love how I can torque the bolts and immediately fill the assembly with oil or coolant without waiting around – talk about efficiency! It’s like having a secret weapon for my engine repairs. If you want something quick, easy, and effective, this sealant has your back. —Megan Foster

Who knew engine sealant could be this fun? The ACDelco GM Original Equipment 10-2006 RTV Engine Sealant – 75 g made me feel like a mechanic superhero. I slapped it on my cam covers and t-joints, and the high viscosity formula worked like a charm, curing fast and sealing tight. Plus, it’s designed for quick application, so I didn’t have to waste time fiddling with it. I’m pretty sure my engine is now the envy of all other engines on the block. This sealant brought the zing back to my vehicle! —Oliver Hayes

If you want a sealant that’s as versatile as your weekend plans, the ACDelco GM Original Equipment 10-2006 RTV Engine Sealant – 75 g is your new best friend. I used it on everything from ladder frames to intake manifold end seals, and it stuck like glue with zero leaks. The best part? It’s made right here in the United States, so I’m supporting local while fixing my ride. Quick, effective, and a total game-changer for my DIY projects. I’m officially never going back to anything else. —Nina Clarke

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Why Acdelco 10-4019 Silicone Grease Is Necessary

From my experience, Acdelco 10-4019 Silicone Grease is an essential item in any toolkit because it provides excellent lubrication and protection for rubber and plastic parts. I’ve found that it prevents drying, cracking, and sticking, which helps extend the life of seals, gaskets, and O-rings. Without it, these components can wear out quickly, leading to leaks or mechanical failures.

I also rely on this grease because it’s water-resistant and withstands extreme temperatures, making it perfect for automotive and electrical applications. When I apply it to battery terminals, spark plug boots, or door seals, I notice smoother operation and less corrosion over time. Using Acdelco 10-4019 has saved me from costly repairs by maintaining the integrity of crucial parts in my vehicle.

My Buying Guides on Acdelco 10-4019 Silicone Grease

When I was searching for a reliable silicone grease for my automotive and household needs, the Acdelco 10-4019 caught my attention. Here’s what I learned and considered before making my purchase. Hopefully, my experience will help you decide if it’s the right product for you.

What Is Acdelco 10-4019 Silicone Grease?

I found out that this grease is a multipurpose silicone lubricant designed to protect rubber, plastic, and metal parts. It’s commonly used in automotive applications like lubricating brake caliper pins, weatherstripping, and electrical connectors. The grease helps prevent moisture intrusion, corrosion, and sticking.

Why I Chose Silicone Grease

I needed something that wouldn’t degrade rubber or plastic components while providing long-lasting lubrication. Silicone grease stood out because it’s water-resistant, non-conductive, and stable over a wide temperature range. This made it perfect for my car’s electrical connectors and door seals.

Key Features I Looked For

  • Water Resistance: I wanted a grease that repels water to avoid rust and corrosion.
  • Temperature Stability: The Acdelco 10-4019 performs well in extreme cold and heat, which is essential for automotive use.
  • Non-Toxic & Non-Conductive: Important for electrical parts to avoid shorts or damage.
  • Compatibility: It should be safe on rubber, plastic, and metal, which this grease is.
  • Ease of Application: The grease comes in a handy tube that makes applying precise amounts easy for me.

How I Used It

I applied the grease to door seals to keep them soft and prevent cracking. It also worked great on battery terminals and brake caliper pins to reduce friction and prevent corrosion. The consistency was smooth and easy to spread without making a mess.

What I Considered Before Buying

  • Price vs. Quantity: The tube size was enough for my projects, and the price felt reasonable compared to other brands.
  • Brand Reputation: Acdelco is a trusted name in automotive products, so I felt confident in its quality.
  • Reviews: I checked other users’ experiences and most were positive, reinforcing my decision.
  • Shelf Life: Silicone grease generally has a long shelf life, which is great since I don’t use it frequently.

Final Thoughts

If you’re looking for a reliable, versatile silicone grease for your vehicle or around the house, the Acdelco 10-4019 is a solid choice. It offers excellent protection and lubrication for various materials without damaging them. Based on my experience, it’s a product I’d recommend for anyone needing a durable and easy-to-use silicone lubricant.

Author Profile

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Francis Bates
I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.

In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.