1. Sealant & Adhesives For Sale
  2. sku: 17996770057293752
  3. KLOZURE 21158-2168

KLOZURE 21158-2168 Garlock 717744014933

21158-2168 Klozure Garlock / 211582168

( Brand: Klozure ), ( Manufacturer Part Number: 21158-2168 ), ( Unit Type: Unit ), ( Country Of Origin: United States ), ( UPC: 717744014933 )

Review KLOZURE Garlock 211582168

The **Klozure 21158-2168 Garlock 21158-2168** is a high-performance, heavy-duty **spiral-wound gasket** engineered for demanding industrial applications where reliability, durability, and leak resistance are critical. Designed with precision, this gasket features a **dual-layer construction** combining a **graphite-impregnated PTFE (polytetrafluoroethylene) core** with a **reinforced fiberglass or asbestos-free filler**, ensuring exceptional resistance to temperature fluctuations, chemical corrosion, and mechanical stress. The **spiral-wound design** provides superior sealing performance by conforming to irregular flange surfaces, eliminating gaps that could lead to leaks under high-pressure or vacuum conditions. This gasket is specifically rated for **high-temperature environments**, typically handling applications up to **600 F (315 C)**, while maintaining structural integrity and chemical resistance against oils, fuels, acids, and solvents making it ideal for use in automotive, aerospace, marine, and industrial machinery sectors. Its **self-lubricating properties** reduce friction during assembly and operation, minimizing wear on mating surfaces and extending equipment lifespan. The **high-density construction** also enhances its ability to withstand cyclic loading and thermal cycling, ensuring long-term reliability in dynamic systems. Whether used in **engine blocks, transmission housings, hydraulic systems, or exhaust manifolds**, the Klozure 21158-2168 delivers a robust sealing solution that balances performance, durability, and ease of installation, making it a trusted choice for engineers and maintenance professionals seeking a dependable gasket for critical applications.

The **Klozure 21158-2168 Garlock** is a popular brand of **gasket material**, specifically a **combination of rubber and fabric (typically cotton or polyester)** designed for sealing applications in automotive, industrial, and mechanical systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of Klozure 21158-2168 Garlock**

1. **High Durability and Longevity**

Klozure gaskets are engineered to withstand prolonged exposure to heat, pressure, and mechanical stress. The reinforced fabric layer provides structural integrity, reducing the risk of premature failure compared to plain rubber gaskets.

2. **Excellent Temperature Resistance**

This material is designed to perform reliably across a broad temperature range, typically from **-40 F to 300 F (-40 C to 150 C)**. This makes it suitable for engines, exhaust systems, and other high-heat applications without degrading quickly.

3. **Chemical and Oil Resistance**

Klozure gaskets are formulated to resist degradation from oils, fuels, and many common chemicals. This resistance ensures they maintain their sealing properties in environments where exposure to lubricants or corrosive substances is likely.

4. **Self-Sealing Properties**

The rubber-fabric combination allows the gasket to conform to irregular surfaces, creating a tighter seal over time. This helps prevent leaks, especially in applications where surfaces may not be perfectly flat.

5. **Wide Compatibility**

Klozure gaskets are designed to fit a variety of applications, including:

- **Automotive engines** (valve cover, oil pan, intake manifold)

- **Industrial machinery** (pumps, compressors, hydraulic systems)

- **HVAC systems** (where temperature and pressure fluctuations occur)

The **21158-2168** designation suggests it may be a specific part number for a particular application, such as a **valve cover or oil pan gasket** in certain engines.

6. **Easy Installation and Removal**

Unlike some metal or composite gaskets, Klozure materials are flexible and can be installed without excessive force, reducing the risk of damage to mating surfaces. They also tend to remove cleanly, which is beneficial for reusing components.

7. **Cost-Effective for High-Stress Applications**

While premium compared to basic rubber gaskets, Klozure offers a balance of performance and cost. For applications where failure could lead to costly damage (e.g., engine leaks), the upfront cost is often justified by long-term reliability.

8. **Resistance to Vibration and Movement**

The fabric reinforcement helps the gasket withstand vibration without cracking or deforming, which is critical in dynamic applications like automotive engines.

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### **Cons of Klozure 21158-2168 Garlock**

1. **Limited Temperature Range for Extreme Conditions**

While Klozure performs well in moderate to high temperatures, it may not be suitable for **extreme high-temperature applications** (above 300 F/150 C) or **cryogenic environments** (below -40 F/-40 C) without specialized formulations. For such conditions, other materials like silicone, PTFE, or metal gaskets may be required.

2. **Potential for Swelling or Hardening Over Time**

Prolonged exposure to certain fluids (e.g., brake fluid, some solvents) can cause the rubber to swell or harden, compromising its sealing ability. Regular inspection is recommended in such environments.

3. **Not Ideal for High-Pressure Hydraulic Systems**

While Klozure gaskets handle moderate pressure well, they may not be the best choice for **high-pressure hydraulic applications** where specialized elastomers or metal gaskets are preferred.

4. **Environmental and Health Considerations**

Some Klozure gaskets contain **synthetic rubber compounds** that may release volatile organic compounds (VOCs) or other chemicals over time. In sensitive applications (e.g., food processing, medical equipment), alternative materials like **silicone or nitrile** may be safer.

5. **Limited Shelf Life**

Like all rubber-based gaskets, Klozure materials can degrade if stored improperly (e.g., exposed to sunlight, extreme temperatures, or oils). Always check the manufacturer s storage recommendations.

6. **Potential for Compatibility Issues with Certain Metals**

In applications where the gasket contacts **reactive metals** (e.g., aluminum with certain oils), galvanic corrosion or adhesive failure can occur. Proper surface preparation and material selection are critical.

7. **Not a Permanent Solution for Worn Surfaces**

If the mating surfaces (e.g., engine block or head) are **warped, corroded, or damaged**, even a high-quality gasket like Klozure will not provide a long-term seal. Surface preparation is essential.

8. **Limited Availability of Custom Sizes**

While Klozure offers a wide range of standard gaskets, custom or non-standard sizes may require special ordering, increasing lead times and costs.

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### **Conclusion**

The **Klozure 21158-2168 Garlock gasket** is a **reliable, high-performance choice** for applications requiring a balance of durability, temperature resistance, and sealing efficiency. It excels in **automotive, industrial, and mechanical systems** where moderate to high heat, pressure, and vibration are present. Its **rubber-fabric construction** ensures longevity and self-sealing properties, making it a preferred option over basic rubber gaskets in many scenarios.

However, it is **not universally suitable** for extreme temperature ranges, high-pressure hydraulic systems, or environments with aggressive chemicals. Additionally, **proper installation, surface preparation, and periodic inspection** are necessary to maximize its lifespan.

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### **Recommendation**

- **Buy Klozure 21158-2168 if:**

- You are replacing a gasket in an **automotive engine (valve cover, oil pan, intake manifold)** or **industrial machinery** where moderate heat and pressure are involved.

- The application falls within the **temperature range of -40 F to 300 F (-40 C to 150 C)**.

- You need a **durable, self-sealing gasket** that resists oils and common fluids.

- The mating surfaces are **clean, flat, and free of corrosion**.

- **Consider Alternatives if:**

- The application involves **extreme temperatures** (above 300 F/150 C or below -40 F/-40 C), in which case **silicone, PTFE, or metal gaskets** may be better.

- The system operates under **very high pressure** (e.g., hydraulic systems), where **specialized elastomers or metal gaskets** are preferred.

- The environment contains **aggressive chemicals** (e.g., brake fluid, certain solvents) that could degrade the rubber.

- The mating surfaces are **damaged or warped**, as a new gasket alone will not provide a long-term seal.

- **Best Practices for Installation:**

- Always **clean the mating surfaces** thoroughly with **brake cleaner or gasket remover** to remove old gasket material and contaminants.

- Apply a **high-quality gasket sealer** (compatible with rubber) to enhance adhesion and sealing.

- Follow the **manufacturer s torque specifications** to avoid over-tightening (which can damage the gasket) or under-tightening (which can cause leaks).

- Inspect the gasket **during installation** for defects or improper sizing.

**Final Verdict:** For most **standard automotive and industrial applications** where reliability and temperature resistance are key, the **Klozure 21158-2168 Garlock gasket** is a **strong, cost-effective choice**. However, always verify compatibility with your specific application before purchasing.

Details:

Packaging: Most items ship in a new cardboard box, with bubble wrap or paper. Some products may vary and require reused packing. The GARLOCK 21158-2168 / 211582168 KLozure is a high-quality adhesive and sealant product manufactured by the reputable brand KLOZURE in USA.

part #: 211582168 prices

  • $43.75-$89.75

specifications sealantadhesivee:

  • brand: Klozure
  • mpn: 21158-2168
  • unit type: Unit
  • country of origin: United States
  • upc: 717744014933

general sealantadhesivee:

  • condition: New Open box
  • Adhesives, Sealants Tapes > Caulks, Sealants Removers > Caulks Sealants

payments sealantadhesivee:

  • other
  • wallet: Apple-pay
  • credit card: Visa

shipping sealantadhesivee:

  • cost: $7.95
  • carrier: USPS
  • service: USPS First Class
  • class: Standard
  • type: Calculated
  • transit: 4-8 Days

returns sealantadhesivee:

  • method: Money back
  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days

seller sealantadhesivee:

  • rating: 100.0%
  • # reviews: 738
  • city: Washington, Michigan

offer sealantadhesivee:

  • sold: 0
  • quantity: 1
  • started: March 5, 2026
  • options: Ship-to-home
  • availability: In Stock
unit type: unit, country of origin: united states,
category: business & industrial > adhesives, sealants tapes > caulks, sealants removers > caulks sealants, sku: 17996770057293752,
Klozure 21158-2168 Is Similar To:
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