ACDELCO 12634517 Gasket Sealant Gm

( Brand: Acdelco ), ( Manufacturer Part Number: 12634517 ), ( Warranty: 1 Year ), ( Type: Adhesives, Sealants And Tape )

Review ACDELCO Gasket Sealant Gm Original Equipment

The **ACDelco 12634517 Gasket Sealant** is a high-performance, premium-grade adhesive and sealant specifically formulated to meet the rigorous demands of General Motors (GM) engine and powertrain applications. Designed for use in critical sealing and bonding scenarios, this product delivers exceptional durability, thermal resistance, and chemical stability, making it an ideal choice for professionals working on modern GM vehicles. Engineered with a high-temperature tolerance capable of withstanding extreme heat up to **450 F (232 C)** this sealant ensures long-lasting adhesion even under the most demanding operating conditions, such as those found in turbocharged, high-performance, or diesel engines. Its non-sag, non-drip formula guarantees smooth application, preventing messy overflows that could contaminate surrounding components, while its fast cure time minimizes downtime during repairs or maintenance. The sealant s robust bonding properties create an airtight and leak-proof seal, effectively preventing oil, coolant, and fuel leaks at gaskets, flanges, and mating surfaces, which is particularly valuable in high-stress applications like cylinder heads, oil pans, and transmission housings. Additionally, this sealant is compatible with a wide range of materials, including metal, rubber, plastic, and composite substrates, ensuring versatility across different GM engine types, including those equipped with advanced emissions systems. Whether used for preventive maintenance, rebuilds, or performance upgrades, the **ACDelco 12634517 Gasket Sealant** provides a reliable, long-term solution that exceeds OEM standards, helping technicians achieve professional-grade results with confidence. Its ease of use, combined with its ability to withstand the harshest environments, makes it a trusted choice for both professional shops and experienced DIY enthusiasts working on GM vehicles.

**Pros and Cons of buying a ACDelco 12634517 Gasket Sealant (GM-Specific)**

1. **GM-Specific Compatibility** Designed exclusively for General Motors applications, ensuring proper chemical composition and adhesion to GM engine components. This reduces the risk of compatibility issues or damage to seals, gaskets, or metal surfaces.

2. **High-Quality Formulation** ACDelco is a trusted brand under General Motors, known for using high-quality materials in its automotive products. This sealant is formulated to resist heat, oil, and coolant, providing a durable bond for gasket surfaces.

3. **Prevents Leaks** Effective at sealing minor gaps and imperfections in gasket surfaces, helping to prevent oil, coolant, or transmission fluid leaks when installing or replacing gaskets (e.g., valve cover, oil pan, or cylinder head gaskets).

4. **Easy Application** Comes in a convenient tube or bottle with a smooth, applicator tip for precise application. No special tools are required, making it user-friendly for DIYers.

5. **Long-Term Reliability** When used correctly, it can extend the lifespan of gaskets by preventing premature wear from leaks or contamination.

6. **Widely Available** As an OEM (Original Equipment Manufacturer) product, it is readily available at auto parts stores, online retailers, and GM dealerships.

---

1. **Limited Use Cases** Only suitable for GM applications. Using it on non-GM vehicles may lead to poor adhesion or chemical incompatibility, potentially damaging seals or components.

2. **Not a Permanent Fix** While it helps seal minor gaps, it is not a substitute for a properly fitted gasket. If the gasket itself is damaged or warped, the sealant will not provide a long-term solution.

3. **Messy Application** Like most sealants, it can be difficult to apply cleanly, potentially requiring cleanup with solvents (e.g., brake cleaner) to avoid residue on surrounding parts.

4. **Drying Time** Some users report that it takes time to fully cure, which may delay reassembly or require patience during installation.

5. **Cost** As an OEM product, it may be more expensive than generic or aftermarket alternatives, though the quality often justifies the price.

6. **Potential Overuse Risks** Applying too much sealant can lead to excess material squeezing out during assembly, which may contaminate other components or require additional cleanup.

---

The **ACDelco 12634517 Gasket Sealant** is a reliable choice for GM vehicle owners performing gasket replacements or maintenance. Its GM-specific formulation ensures compatibility and effectiveness, making it a trusted option for preventing leaks and improving seal integrity. However, it is not a universal solution it is best reserved for GM applications only. For non-GM vehicles, a different sealant may be necessary.

If you are working on a GM engine (e.g., valve cover, oil pan, or cylinder head gasket), this sealant is highly recommended due to its proven performance and brand reputation. For DIYers, it strikes a balance between ease of use and quality, though proper application techniques are still critical.

Purchase the **ACDelco 12634517 Gasket Sealant** if you are working on a **GM vehicle** and need a high-quality, leak-preventing solution for gasket installations. Ensure you follow the manufacturer s application instructions to maximize effectiveness. If you are unsure about compatibility or need a sealant for a non-GM application, consult a mechanic or choose a sealant specifically designed for your vehicle s make and model.

Details:

part #: 12634517 prices

• $9.95-$20.12

specifications automobilefluids:

• brand: Acdelco
• mpn: 12634517
• warranty: 1 Year
• type: Adhesives, Sealants And Tape

offer automobilefluids:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 2
• started: February 28, 2026

payments automobilefluids:

• wallet: Apple-pay
• credit card: Diners-club
• other

shipping automobilefluids:

• cost: $0.00
• class: Economy
• type: Fixed
• service: Economy
• transit: 4-7 Days

general automobilefluids:

• condition: New
• Automotive Tools Supplies > Fluids Chemicals > Gasket Makers/Removers/Sealers

seller automobilefluids:

• # reviews: 319944
• city: Langhorne, Pennsylvania
• rating: 98.9%

returns automobilefluids:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

Acdelco 12634517 Is Similar To:

• Acdelco Gm Original Equipment 10-4110 Brake Fluid (56.9% similar) This part fits vehicles made in the following years 2003 ,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023. Superseded part numbers this item may have been superseded from a different part number this manufacturer. Orders ship from 20 major ...(August 5th, 2024)
• Acdelco Gm Original Equipment 10-4033 Manual Transmission Fluid And Transfer Case 1 Quart Oem Chevy Ac Delco 32 Oz (34.7% similar) Shipped with USPS ground advantage. Ac delco manual transmission fluid transfer case. 1 quart 32OZ sealed in the bottle from factory...(August 8th, 2024)
• Acdelco Gm Original Equipment 10-4003 Differential Oil Additive (50% similar) Part #: Acdelco gm original equipment 10-4003 for sale...(August 15th, 2024)
• Acdelco 88865214 Convertible Top Hydraulic Pump Fluid Gm Original Equipment (56.3% similar) Changed my mind. Just didn't like it. If you do, our experts will hand-verify compatibility before shipping. Found a better price. Request a return. Add details like I tried to install this part, and it didn't fit. High-value items are usually sent with signature-delivery requirements. See below for...(August 20th, 2024)
• Acdelco Gm Original Equipment 10-4124 Brake Cleaner Fits 1991-2007 Saturn Sl1 Sl2 Sc1 Sc2 Sw2 (39.7% similar) Part #: Acdelco gm original equipment 10-4124 for sale...(August 27th, 2024)
• Acdelco Gm Original Equipment 89021958 Differential Oil Additive Fits 2004-2006 Pontiac Gto Equipm (38.4% similar) This part fits vehicles made in the following years 2004 ,2005,2006. For example, BMW does not manufacture parts, they assemble parts from many manufacturers into a finished vehicle. This may be an oem product. You are purchasing a differential oil additive made by Acdelco gm original equipment. ...(September 1st, 2024)
• Acdelco Gm Original Equipment 10-9255 R12 Refrigerant Fits 2019 Gmc Terrain (45.3% similar) Superseded part numbers this item may have been superseded from a different part number this manufacturer. This part fits vehicles made in the following years 2017 ,2018,2019,2020. You are purchasing a refrigerant made by Acdelco gm original equipment. Check the compatibility information in listing...(September 1st, 2024)
• Acdelco 10-4034 For Chevy Equinox Original Equipment 10-4034 Dexron Ls 75w-90 Gear Oil (48.9% similar) Superior protection: helps protect against wear, corrosion, and oxidation, extending the life of your transmission. Dacron ls technology: meets the latest performance standards for superior transmission protection. Genuine gm equipment: ensures optimal compatibility and performance with vehicles. ...(September 10th, 2024)
• Acdelco Gm Original Equipment 10-5074 Power Steering Fluid (52.3% similar) Whether you're looking for a fender, headlight, radiator, axle shaft, full engine assembly, or anything in-between. This part fits vehicles made in the following years 2003 ,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024. Superseded part ...(September 12th, 2024)
• Acdelco Gm Original Equipment 10-5073 Power Steering Fluid (52.3% similar) Superseded part numbers this item may have been superseded from a different part number this manufacturer. Whether you're looking for a fender, headlight, radiator, axle shaft, full engine assembly, or anything in-between. This part fits vehicles made in the following years 2003 ,2004,2005,2006,...(September 12th, 2024)
• Acdelco Gm Original Equipment 10-5050 Differential Oil Fits 2017-2020 Gmc Acadia (43.6% similar) This part fits vehicles made in the following years 2008 ,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024...(September 23rd, 2024)