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  3. ACDELCO 12371386

ACDELCO 12371386 Gm Anti Seize Lubricant High Sensors Bolts O2

12371386 Acdelco Gm Oem Nickel Anti-seize Lubricant 8 Oz High Temp O2 Sensors Bolts

( Brand: Acdelco ), ( Manufacturer Part Number: 12371386 ), ( Part Type: Lubricant Sensor Bolt ), ( Warranty: 1 Year )

Review ACDELCO Gm Oem Nickel Anti seize Lubricant Oz High Temp O2 Sensors Bolts

**ACDelco 12371386 GM Anti-Seize Lubricant for High-Oxygen Sensor Bolts** is a premium, high-performance lubricating compound specifically formulated to protect and extend the life of critical engine components, particularly in applications involving high-oxygen sensors and exhaust system fasteners. Engineered to withstand extreme temperatures, aggressive chemical exposure, and constant thermal cycling, this anti-seize lubricant creates a durable, non-corrosive barrier that prevents galling, seizing, and premature wear on bolts, nuts, and threads especially in high-stress areas like oxygen sensor mounts, catalytic converter bolts, and exhaust manifold fasteners. Unlike conventional greases or oils that can degrade under heat or evaporate over time, this specialized formulation remains stable and effective even in the harshest underhood environments, where temperatures can exceed 1,000 F (538 C). Its high-temperature resistance ensures reliable performance in both gasoline and diesel engines, making it an ideal choice for performance builds, turbocharged applications, and high-mileage vehicles where corrosion and seizing are common concerns. The lubricant s non-conductive properties also help prevent electrical interference, which is crucial for maintaining accurate readings from oxygen sensors a critical factor in emissions control and fuel efficiency. With its easy application (simply brush-on or spray-on) and long-lasting protection, ACDelco s anti-seize lubricant is a trusted solution for mechanics and DIY enthusiasts seeking to safeguard their engine s most vulnerable fasteners while ensuring optimal performance and longevity. Whether tackling a routine maintenance job or a high-performance upgrade, this product delivers the durability and reliability needed to keep critical components secure and functional for thousands of miles.

**Pros and Cons of Buying ACDelco 12371386 GM Anti-Seize Lubricant for High-Oxygen Sensors and Bolts**

### **Pros**

1. **Compatibility with GM High-Oxygen Sensors** This product is specifically formulated for GM oxygen sensors, which are often sensitive to contamination from traditional lubricants. Anti-seize compounds reduce the risk of sensor damage during installation or removal, ensuring proper function and longevity.

2. **Prevents Seizure and Corrosion** The lubricant contains anti-seize properties that prevent bolts and threads from seizing, making installation and removal easier without damaging the components. This is particularly useful for high-temperature applications where standard grease or thread locker may fail.

3. **High-Temperature Resistance** Designed to withstand the operating temperatures of oxygen sensors and exhaust systems, reducing the risk of lubricant breakdown or evaporation, which could lead to sensor failure or bolt loosening.

4. **Corrosion Protection** The formulation includes corrosion inhibitors that help protect metal surfaces from rust and oxidation, extending the life of bolts and sensors in harsh environments.

5. **Easy Application** The lubricant is typically applied in a thin, even layer, making it simple to use without excess buildup that could interfere with sensor operation.

6. **GM-Specified Product** As an OEM (Original Equipment Manufacturer) part from ACDelco, it meets GM s engineering standards, ensuring reliability and compatibility with factory specifications.

7. **Reduces Sensor Contamination Risk** Unlike conventional lubricants, this product is less likely to leave residue that could clog or degrade oxygen sensors over time, which are critical for fuel efficiency and emissions control.

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### **Cons**

1. **Limited Use Case** This product is **only recommended for GM high-oxygen sensors and specific bolts** where anti-seize is required. Using it on other components (e.g., regular engine bolts, suspension parts) may not be necessary or could lead to improper sealing.

2. **Not a Universal Lubricant** It is not a general-purpose grease or thread locker. Overuse or application to wrong parts could result in leaks, contamination, or performance issues.

3. **Potential for Overapplication** Applying too much can lead to excess lubricant squeezing out during installation, which may contaminate sensors or adjacent components. Precision in application is required.

4. **Cost Compared to Alternatives** While priced reasonably for an OEM product, it may be more expensive than generic anti-seize compounds if purchased separately. However, it is often sold as part of a sensor replacement kit, which can justify the cost.

5. **Availability and Stocking** Like many OEM parts, it may not be as widely available as aftermarket alternatives, potentially requiring special ordering or purchasing through authorized dealers.

6. **Not a Permanent Sealant** While it prevents seizing, it is not a permanent thread locker. For long-term security, additional methods (e.g., torque specifications, lock washers) may still be required.

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### **Conclusion**

ACDelco 12371386 GM Anti-Seize Lubricant is a **highly specialized and reliable product** for GM oxygen sensors and bolts where anti-seize protection is critical. Its primary advantage lies in **preventing sensor damage and bolt seizure**, which can be costly to repair if neglected. The product s compatibility with GM systems, high-temperature resistance, and corrosion protection make it a **strong choice for professional installers or DIY enthusiasts working on GM vehicles**.

However, its **niche application** means it is not a versatile lubricant. Buyers should ensure they are using it **only for the intended purpose** GM oxygen sensors and bolts to avoid unnecessary costs or complications. For most general automotive maintenance, standard grease or thread locker would suffice, but for oxygen sensor installations, this product is **highly recommended**.

### **Recommendation**

- **Buy if:** You are replacing or installing a **GM high-oxygen sensor** or working on **exhaust-related bolts** where seizing is a risk. It is particularly useful in high-temperature environments or when dealing with stubborn threads.

- **Avoid if:** You are looking for a general-purpose lubricant or plan to use it on non-GM sensors or unrelated components.

- **Best Practice:** Use sparingly apply a **thin, even layer** to threads or sensor contacts to prevent contamination while ensuring proper lubrication. Pair it with proper torque specifications for optimal results.

For most consumers, purchasing this product as part of a **GM oxygen sensor replacement kit** (where it is often included) is the most convenient and cost-effective approach. If buying separately, verify compatibility with your specific GM vehicle model to ensure it meets the manufacturer s requirements.

Details:

Nickel-based formulation is safe for use near oxygen sensors and catalytic converters unlike copper-based anti-seize which can contaminate sensor readings at high temp. Condition: New in original packaging. Fits any GM vehicle or application requiring high-temperature anti-seize protection. Ships from Madison, NC.

Anti-seize compound changes the effective clamping torque of fasteners always consult GM specifications when using. Protects threaded fasteners and fittings against heat seizure, corrosion, galling, cold welding across a temperature range of 65 F to 2,400 54 C 1,316.

part #: 12371386 prices

  • $36.99-$441.09

specifications automobilefluids:

  • brand: Acdelco
  • mpn: 12371386
  • part type: Lubricant Sensor Bolt
  • warranty: 1 Year

seller automobilefluids:

  • rating: 99.8%
  • # reviews: 12283
  • city: Madison, North Carolina

shipping automobilefluids:

  • transit: 4-10 Days
  • class: Standard
  • service: USPS Ground Advantage
  • carrier: USPS
  • type: Fixed
  • cost: $0.00

offer automobilefluids:

  • started: April 19, 2026
  • options: Ship-to-home
  • sold: 0
  • quantity: 8
  • availability: In Stock

general automobilefluids:

  • condition: New
  • Automotive Tools Supplies > Fluids Chemicals > Other Fluids Chemicals

returns automobilefluids:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller

payments automobilefluids:

  • other
  • wallet: Paypal
  • credit card: Discover
part type: lubricant sensor bolt, warranty: 1 year,
category: auto parts > tools supplies > fluids chemicals, sku: 12582621845703722,
Acdelco 12371386 Is Similar To:
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3 offers $36.99–$441.09 USD
  • New. Offer #1 priced at $36.99 + $0.00 shipping estimate = $36.99* total. Nickel-based formulation is safe for use near oxygen sensors and catalytic converters (unlike copper-based anti-seize which can contaminate sensor readings at high temp). Protects threaded fasteners and fittings against heat seizure, corrosion, galling, and cold welding across a temperature range of -65 F to 2,400 F (-54 C to 1,316 C).FREE SHIPPING
  • New. Offer #2 priced at $358.56 + $0.00 shipping estimate = $358.56* total. ACDelcoLubricant (Part Number: ) is an anti-seize nickel lubricant supplied in an 8 oz container for maintenance and assembly use.FREE SHIPPING
  • New. Offer #3 priced at $441.09 + $0.00 shipping estimate = $441.09* total. FREE SHIPPING

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