DORMAN OE SOLUTIONS SX-1508 Vapor Canister Vent Solenoid Jt 4.3L 4.8L

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-1508 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C146 60-39 ), ( Placement On Vehicle: Emission Control Evaporative System ), ( Compatible Model: Sierra 1500 ), ( Compatible Year: 2003 2002 2001 2000 1999 ), ( Core Charge: Free No Core Charge ), ( Type: Vapor Canister Vent Solenoid ), ( Universal Fitment: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Vapor Canister Vent Solenoid )

Review DORMAN OE SOLUTIONS Vapor Canister Vent Solenoid Gmc 4.3l 4.8l Jt fits SIERRA 1500 1999–2003

The **Dorman SX-1508 Vapor Canister Vent Solenoid** is a precision-engineered replacement component designed specifically for the **1999 2003 GMC Sierra 1500** with **4.3L** and **4.8L** inline-six engines, including the **Jetfire (JT) series**. This high-quality solenoid is a direct-fit, OEM-level replacement for the factory-equipped vapor canister purge valve, ensuring seamless integration with your vehicle s emissions control system. Crafted from durable materials, the Dorman SX-1508 features a robust stainless steel or heavy-duty plastic housing, depending on the application, to withstand the rigors of daily driving while maintaining optimal performance. The internal coil is precision-wound to deliver consistent electrical resistance, allowing for reliable activation and deactivation of the canister purge system, which is critical for proper evaporative emissions control during engine operation. Whether you're addressing a check engine light caused by a faulty solenoid, performing routine maintenance, or upgrading an older vehicle, this solenoid provides a dependable solution that meets or exceeds factory specifications. Its compact yet sturdy design ensures a secure fit within the engine bay, minimizing the risk of leaks or misalignment, while its corrosion-resistant construction guarantees longevity even in harsh environmental conditions. By restoring proper function to your vehicle s evaporative system, the Dorman SX-1508 helps maintain optimal fuel efficiency, reduces harmful emissions, and ensures compliance with emissions regulations making it an indispensable part of any comprehensive repair or upgrade project for your GMC Sierra.

### **Pros and Cons of buying a Dorman SX-1508 Vapor Canister Vent Solenoid for a 1999-2003 GMC Sierra 1500 (4.3L/4.8L V6)**

1. **Direct Fitment** The Dorman SX-1508 is specifically designed for GM vehicles from 1997 to 2003, including the 4.3L and 4.8L V6 engines in the Sierra 1500. This ensures compatibility without modification, reducing the risk of installation issues.

2. **Quality and Reliability** Dorman is a well-known brand under the Carter brand, which has a long-standing reputation for producing reliable automotive parts. The solenoid is built to meet OEM standards, providing durable performance.

3. **Prevents Emissions Failures** A faulty vapor canister vent solenoid can cause the Check Engine Light (CEL) to illuminate due to improper EVAP system function. Replacing it with a new or high-quality unit helps maintain emissions compliance and avoids potential repair costs from diagnostic trouble codes (DTCs like P0446 or P0451).

4. **Easy Installation** The solenoid is a straightforward replacement, typically requiring only basic tools. It connects via electrical wiring and a small hose, making it accessible for most DIY mechanics.

5. **Cost-Effective Solution** Compared to labor-intensive repairs or diagnostic work, replacing the solenoid is a relatively inexpensive fix. It often costs less than $30 $50, depending on the source.

6. **Prevents Long-Term EVAP System Issues** A failing solenoid can lead to EVAP system leaks or malfunctions over time, potentially damaging other components like the canister purge valve or fuel system sensors. Replacing it early prevents secondary problems.

7. **Widely Available** Since it s a common GM part, the solenoid is easy to find at auto parts stores (AutoZone, O Reilly, NAPA), online retailers (Amazon, RockAuto), or directly from Dorman s website.

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1. **Potential Counterfeit or Low-Quality Alternatives** While Dorman is reputable, some online sellers may offer counterfeit or aftermarket knockoffs that fail prematurely. Always verify the seller s reputation and product authenticity.

2. **Minor Installation Challenges** In some vehicles, the solenoid may be located in a tight or hard-to-reach area, requiring careful handling of wiring or hoses. Rust or corrosion in older vehicles could also make removal difficult.

3. **No Guarantee of Long-Term Durability** Like all mechanical components, the solenoid can wear out again over time, especially if the EVAP system is frequently stressed (e.g., frequent short trips or aggressive driving).

4. **Possible Compatibility Confusion** While the Dorman part is designed for your vehicle, there are slight variations in EVAP systems between the 4.3L and 4.8L engines. Double-checking the part number and application guide ensures you have the correct fit.

5. **DIY Risk for Inexperienced Mechanics** If you re not comfortable with EVAP system work, improper installation (e.g., loose connections, incorrect hose routing) could lead to leaks or electrical issues.

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### **Conclusion and Recommendation**

The **Dorman SX-1508 vapor canister vent solenoid** is a **strong, cost-effective choice** for replacing a failing solenoid in your 1999 2003 GMC Sierra 1500 (4.3L/4.8L V6). Its direct fitment, reliability, and ease of installation make it the most practical solution for resolving EVAP-related Check Engine Light codes and preventing emissions failures.

- **Purchase from a trusted source** (e.g., AutoZone, NAPA, or a reputable online retailer) to avoid counterfeit parts.

- **Verify the part number** (SX-1508) matches your vehicle s application before buying.

- **Follow the installation instructions carefully**, ensuring proper wiring and hose connections.

- **Consider testing the system post-installation** by clearing the CEL and monitoring for leaks or recurring codes.

If you re unsure about installation, consult a mechanic to confirm the solenoid is the root cause of your issue before proceeding. For most DIYers, this is a **simple, low-risk repair** that will restore proper EVAP function and avoid unnecessary diagnostic trouble.

Details:

Dorman Vapor Canister Vent Solenoid for 1999 - 2003 GMC Sierra 1500 4.3L 4.8L jt: Status: In Stock.

part #: sx1508 prices

• $29.44-$489.24

specifications emissyste:

• for models: 1500, Sierra
• for makes: Gmc
• for years: 1999-2003
• brand: Dorman Oe Solutions
• mpn: Sx-1508
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C146 60-39
• placement on vehicle: Emission Control Evaporative System
• compatible model: Sierra 1500
• compatible year: 2003 2002 2001 2000 1999
• core charge: Free No Core Charge
• type: Vapor Canister Vent Solenoid
• universal fitment: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Vapor Canister Vent Solenoid

offer emissyste:

• started: February 25, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

shipping emissyste:

• cost: $0.00
• type: Fixed
• transit: 3-6 Days
• service: Standard, Expedited
• class: Standard, Expedited

general emissyste:

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

payments emissyste:

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

returns emissyste:

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

seller emissyste:

• # reviews: 625758
• city: Indianapolis, Indiana
• rating: 99.5%

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