GM 22050642 Nos Check Valve

( Brand: Gm ), ( Manufacturer Part Number: 22050642 ), ( Part Type: Valve Check ), ( Country Of Origin: United States )

Review GM Nos Check Valve New In Original Packaging

The **GM 22050642 NOS Check Valve** is a high-performance, precision-engineered component designed for critical fluid control applications in automotive, industrial, and hydraulic systems. Part of General Motors original equipment (OEM) lineup, this check valve is meticulously crafted to ensure reliable one-way flow while preventing backpressure, thereby safeguarding system integrity and efficiency. Constructed from durable materials such as high-grade steel or brass, depending on the specific application, this valve is built to withstand demanding operating conditions, including high-pressure fluctuations and thermal cycling. Its robust construction minimizes internal leakage and ensures consistent performance over extended use, making it ideal for use in fuel lines, hydraulic circuits, or air intake systems where backflow could disrupt operation or cause damage.

The **GM 22050642** features a compact yet robust design, allowing for seamless integration into tight engine bays or complex plumbing setups. Its internal mechanism incorporates a spring-loaded or ball-type closure system, which activates instantly to block reverse flow while maintaining minimal resistance during forward flow. This design principle ensures that the valve operates with near-silent efficiency, reducing wear on connected components and extending the lifespan of the entire system. The valve s precise tolerances and smooth operating surfaces further contribute to its reliability, making it a trusted choice for both original equipment manufacturers and aftermarket professionals seeking dependable performance.

Beyond its functional excellence, the **GM 22050642 NOS** (New Old Stock) check valve is prized for its authenticity and historical significance, as it represents a genuine GM component from a previous production run. This makes it a sought-after part for restoration projects, classic vehicle enthusiasts, and mechanics working on vintage or high-performance applications where original specifications are paramount. Whether installed in a modernized engine bay or preserved within a meticulously restored classic car, this valve delivers the same level of performance and durability that earned it a place in GM s original designs. Its availability in NOS condition ensures that users receive a part that has been carefully preserved without compromise, offering both peace of mind and the assurance of OEM-grade quality.

### **Pros and Cons of Buying a GM 22050642 NO Check Valve**

1. **OEM Quality and Reliability** GM (General Motors) parts are designed to meet strict automotive standards, ensuring durability and performance in heavy-duty applications like fuel systems, transmission coolers, or hydraulic lines.

2. **Direct Fitment** This part is likely an original equipment (OEM) or high-quality aftermarket replacement, meaning it should fit seamlessly without modifications, reducing installation hassle.

3. **Compatibility with GM Vehicles** The part number suggests it is designed for specific GM models (e.g., diesel engines, transmissions, or cooling systems), ensuring proper function in those applications.

4. **Long Lifespan** GM components are built to withstand high pressure, temperature fluctuations, and continuous use, reducing the need for frequent replacements.

5. **Warranty Coverage** If purchased from an authorized dealer or reputable supplier, the part may come with a warranty, providing peace of mind against defects.

6. **Prevents Reverse Flow** As a **NO (Normally Open) check valve**, it allows fluid to flow in one direction while blocking reverse flow, protecting systems from damage caused by backpressure.

7. **Cost-Effective for Long-Term Use** While the upfront cost may be higher than generic alternatives, its reliability can save money by avoiding frequent failures or system damage.

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1. **Higher Upfront Cost** GM OEM parts are typically more expensive than aftermarket or generic alternatives, which may be a barrier for budget-conscious buyers.

2. **Limited Availability** Depending on the supplier, finding this specific part (especially for older or discontinued models) may require ordering from specialized dealers, increasing lead time.

3. **Potential Overkill for Non-GM Vehicles** If the part is not actually needed for the intended application (e.g., using it in a non-GM system where a cheaper check valve would suffice), the investment may not be justified.

4. **Installation Complexity** Some GM check valves may require professional installation, especially if they are integrated into a larger system (e.g., transmission or fuel rail), adding labor costs.

5. **Compatibility Risks** If the part is misidentified (e.g., mixing up NO vs. NC Normally Closed or incorrect pressure rating), it could fail prematurely or cause system issues.

6. **Environmental and Recycling Concerns** GM parts, like all automotive components, may contain materials that are harder to recycle, contributing to waste if the part is later discarded.

7. **Market Fluctuations** Prices for OEM parts can vary based on demand, supply chain issues, or economic conditions, potentially increasing costs unexpectedly.

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### **Conclusion**

The **GM 22050642 NO Check Valve** is a high-quality, reliable component ideal for **GM vehicles or systems where OEM performance is critical** (e.g., diesel engines, transmissions, or cooling circuits). Its strengths lie in **durability, direct fitment, and protection against reverse flow**, making it a sound long-term investment for applications where failure is not an option. However, the **higher cost and potential overkill for non-GM or less demanding systems** may not justify the purchase for all buyers.

For **budget-conscious or non-GM applications**, a **high-quality aftermarket check valve** (e.g., from brands like **Wegmann, Carter, or Stanadyne**) could offer similar performance at a lower cost. Conversely, if the part is **genuine OEM or required for warranty compliance**, the GM option is the safest choice.

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### **Recommendation**

- You are working on a **GM vehicle or system** where OEM reliability is essential.

- The part is **genuinely required** (verified via vehicle/service manual or dealer confirmation).

- You are willing to pay a premium for **long-term durability and peace of mind**.

- The part is **not available as a direct replacement from a trusted aftermarket brand** at a comparable price.

- The application is **non-GM or less critical** (e.g., a generic hydraulic or fuel system).

- You find a **high-quality aftermarket check valve** (e.g., **Wegmann 1000 series, Carter 100 series**) with matching specifications (pressure rating, flow rate, material).

- You are working on a **budget** and can confirm the aftermarket part meets the same performance standards.

- Confirm the **exact application** (e.g., fuel rail, transmission cooler, hydraulic line) to ensure it s the correct part.

- Check for **compatibility with your specific GM model/year** (some parts vary by engine/transmission variant).

- Compare **price quotes** from multiple suppliers (authorized dealers, online marketplaces, or specialty auto parts stores).

Ultimately, the **GM part is the best choice for GM systems where reliability is non-negotiable**, while **aftermarket options may suffice for non-critical or non-GM uses**. Always prioritize **proper identification and verification** to avoid costly mistakes.

Details:

Please verify your fitment. NOS Emission Check Valve, NEW GM Part, 22050642 Valve in Unopened Package. A fit for various 1982 1993 GM vehicles including some Buick,Chevy, Cadillac, GMC, Pontiac and Oldsmobile.

part #: 22050642 prices

• $25.00-$37.99

specifications emissyste:

• brand: Gm
• mpn: 22050642
• part type: Valve Check
• country of origin: United States

payments emissyste:

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

offer emissyste:

• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• best offers: True
• started: May 6, 2026

returns emissyste:

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

seller emissyste:

• rating: 100.0%
• city: Charlotte, North Carolina
• # reviews: 146

shipping emissyste:

• type: Calculated
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• transit: 5-10 Days
• cost: $5.62

general emissyste:

• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts
• condition: New

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