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73KGNJY79 Vapor Canister Vent Solenoid

fits model: 1500, 2500, Silverado, Classic, Tahoe.

73kgnjy79 Replacement Vapor Canister Vent Solenoid For Silverado 1500 2500 Hd Classic Tahoe

( Manufacturer Part Number: 73KGNJY79 ), ( Type: Vapor Canister Vent Solenoid ), ( Fits 1: 2000-2003 Chevrolet Tahoe ), ( Fit Note: Vapor Canister Vent Solenoid Evaporative Emissions Canister. ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review Replacement Vapor Canister Vent Solenoid Hd fits SILVERADO CLASSIC TAHOE 1500 2500

The **73KGNJY79 Vapor Canister Vent Solenoid** is a precision-engineered component designed exclusively for the fuel system of **Chevrolet Silverado 1500, Silverado 2500HD, and GMC Sierra 2500HD models**, as well as the **Chevrolet Tahoe and GMC Yukon** from the classic era, ensuring seamless integration with the vehicle s evaporative emissions control system (EVAP). This high-performance solenoid is crafted from durable, corrosion-resistant materials, including a robust stainless steel or reinforced brass housing, to withstand the rigors of long-term automotive use while maintaining optimal functionality. The internal coil is wound with tightly packed, high-quality copper wire, delivering consistent and reliable electrical resistance to activate the solenoid s plunger mechanism with minimal power draw, reducing strain on the vehicle s electrical system. Engineered to meet or exceed OEM specifications, this solenoid features a **sealed, weatherproof design** with precision-machined seals to prevent leaks, ensuring that the EVAP system operates efficiently under varying temperature and pressure conditions whether during cold starts, high-altitude driving, or extreme heat. Its compact yet sturdy construction allows for easy installation, fitting seamlessly into the vapor canister vent line without requiring modifications to the existing EVAP system. Whether replacing a failed OEM unit or upgrading for enhanced durability, this solenoid guarantees **consistent purge flow control**, helping maintain optimal engine performance, reduce harmful emissions, and prevent potential check engine light triggers caused by EVAP system malfunctions. Ideal for both restoration projects and modern high-mileage vehicles, the **73KGNJY79** is a dependable choice for enthusiasts and mechanics seeking a direct-fit, long-lasting solution.

Buying the **73KGNJY79 Vapor Canister Vent Solenoid** for a **Chevy Silverado 1500/2500 HD or Classic Tahoe** (typically from the 1999 2006 model years) has both advantages and drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of the 73KGNJY79 Vapor Canister Vent Solenoid**

1. **Direct OEM Replacement** This solenoid is a direct-fit replacement for the original equipment (OEM) part used in many GM vehicles from the late 1990s to mid-2000s. It matches the physical dimensions, wiring, and mounting points, ensuring compatibility without modifications.

2. **Reliability** The part is manufactured to meet GM s original specifications, which means it should function reliably under normal operating conditions. Many users report that it eliminates intermittent or complete failure of the canister purge system.

3. **Cost-Effective Fix** Replacing a faulty solenoid is significantly cheaper than replacing the entire canister purge system or dealing with persistent check engine lights (CEL) related to evaporative emissions (EVAP) leaks. The cost is usually under $50, plus labor if professional installation is required.

4. **Prevents EVAP System Failures** A failing solenoid can cause the EVAP system to malfunction, leading to a CEL with codes like **P0440, P0442, P0446, or P0455**. Fixing this issue early prevents further diagnostic trouble and potential catalytic converter damage from rich fuel mixtures.

5. **Easy Installation** The solenoid is typically located near the fuel tank or canister purge valve and can be replaced in under an hour with basic tools. No special equipment or expertise is required for installation.

6. **Improves Emissions Compliance** If your vehicle is subject to emissions testing, a failing solenoid can cause it to fail. Replacing it ensures the EVAP system operates correctly, helping you pass inspections.

7. **Widely Available** This part is stocked by many auto parts retailers (O Reilly Auto Parts, AutoZone, RockAuto, etc.) and is often available for quick pickup or next-day shipping.

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### **Cons of the 73KGNJY79 Vapor Canister Vent Solenoid**

1. **Potential Counterfeit Concerns** Some aftermarket parts, even those labeled as OEM replacements, may be counterfeit or low-quality knockoffs. Buying from reputable sellers (e.g., direct from manufacturers like **Dorman, Delphi, or genuine GM parts**) reduces this risk but may increase cost.

2. **Wiring or Connector Issues** If the wiring harness or connectors around the solenoid are corroded or damaged, the new solenoid may not function properly. This could require additional repairs beyond just replacing the solenoid.

3. **Intermittent Problems** In some cases, the issue may not be the solenoid itself but a failing canister purge valve, EVAP hoses, or a vacuum leak elsewhere in the system. Replacing just the solenoid may not resolve the underlying problem if other components are faulty.

4. **Limited Longevity** While the solenoid itself is durable, it is an electrical component that can fail over time due to corrosion, moisture, or electrical issues. In some vehicles, the solenoid may need replacement every 80,000 120,000 miles, depending on driving conditions.

5. **DIY Installation Challenges** If you re not comfortable working near the fuel tank or EVAP system, there s a risk of accidentally damaging hoses, connectors, or the tank itself during installation. Improper installation can lead to leaks or further electrical issues.

6. **Compatibility Variations** While this solenoid is designed for many GM vehicles, there may be slight variations in mounting or wiring between trims or model years. Always verify compatibility with your specific vehicle s year, trim, and engine configuration.

7. **No Guarantee Against Other EVAP Issues** Replacing the solenoid addresses the solenoid s failure but does not fix issues like cracked hoses, a failing canister purge valve, or a damaged EVAP vent valve. If these components are also failing, the problem may persist or recur.

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### **Conclusion**

The **73KGNJY79 Vapor Canister Vent Solenoid** is a practical and cost-effective solution for fixing EVAP system issues in **Chevy Silverado 1500/2500 HD and Classic Tahoe models**. It offers a direct OEM replacement with reliable performance, easy installation, and prevents further emissions-related problems. However, it is not a universal fix other components in the EVAP system may need attention if the issue persists. Additionally, ensuring you purchase a genuine part and properly install it will maximize its effectiveness.

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### **Recommendation**

1. **Verify Compatibility** Double-check that the **73KGNJY79** solenoid is the correct part for your specific vehicle year, trim, and engine (e.g., 4.3L V6, 5.3L V8, etc.). Cross-reference with your vehicle s service manual or a trusted parts database.

2. **Purchase from a Reputable Source** Buy from well-known auto parts retailers (O Reilly, AutoZone, RockAuto) or directly from manufacturers like **Dorman, Delphi, or GM Parts**. Avoid suspiciously cheap third-party sellers unless they have strong reviews.

3. **Inspect the EVAP System** While replacing the solenoid, visually inspect the **canister purge valve, hoses, and connectors** for cracks, leaks, or corrosion. Replace any damaged components to ensure the system works correctly.

4. **Clear the CEL and Test Drive** After installation, clear the check engine light using an OBD-II scanner and take the vehicle for a test drive. Monitor for recurring CELs or EVAP-related symptoms. If the issue persists, further diagnostics may be needed.

5. **Consider Professional Installation** If you re unsure about working near the fuel tank or EVAP system, have a trusted mechanic install the solenoid to avoid accidental damage.

6. **Monitor Long-Term Performance** Keep an eye on the solenoid s performance over time. If it fails again within a reasonable period (e.g., 50,000 miles), consider upgrading to a higher-quality aftermarket solenoid or investigating other EVAP system components.

**Final Verdict:** For most **1999 2006 Silverado 1500/2500 HD and Classic Tahoe owners** experiencing EVAP-related check engine lights, the **73KGNJY79 solenoid is a worthwhile and cost-effective replacement**. It resolves solenoid failures efficiently and helps maintain emissions compliance. However, treat it as part of a broader EVAP system check to ensure lasting reliability.

Details:

2001-2003, 2005 2006 Chevrolet Silverado 1500 HD 6.0L V8. 2007 Chevrolet Silverado 1500 HD Classic 6.0L V8.

part #: 73kgnjy79 price

  • $81.11

specifications emissyste:

  • for models: 1500, 2500, Silverado, Classic, Tahoe
  • mpn: 73kgnjy79
  • type: Vapor Canister Vent Solenoid
  • fits 1: 2000-2003 Chevrolet Tahoe
  • fit note: Vapor Canister Vent Solenoid Evaporative Emissions Canister.
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

general emissyste:

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

payments emissyste:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

shipping emissyste:

  • transit: 3-7 Days
  • class: Standard
  • service: Standard
  • cost: $0.00
  • type: Fixed

seller emissyste:

  • # reviews: 58011
  • rating: 97.3%
  • city: Humarock, Massachusetts

offer emissyste:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: May 14, 2026

returns emissyste:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: 1500, 2500, silverado, classic, tahoe, type: vapor canister vent solenoid, fits 1: 2000-2003 chevrolet tahoe, fit note: vapor canister vent solenoid evaporative emissions canister., manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400, category: auto parts > car truck parts accessories > exhaust emission systems > exhaust emission parts, sku: 22003286193183881,
73KGNJY79 Is Similar To:
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1 offer $81.11 USD
  • New. Offer #1 priced at $81.11 + $0.00 shipping estimate = $81.11* total. 2001-2003, 2005-2006 Chevrolet Silverado 1500 HD 6.0L V8. Notes Vapor Canister Vent Solenoid -- Evaporative Emissions Canister Vent Valve (Solenoid Valve), with Filter Assembly and Relocation Kit.FREE SHIPPING

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