AC DELCO OLX-ACD55599948-CL360A52 Vacuum Control Solenoid 199608437599 Acdelco Valve

( Brand: Ac Delco ), ( Manufacturer Part Number: OLX-ACD55599948-CL360A52 ), ( Part Type: Vacuum Control Valve Solenoid ), ( Universal Fitment: Direct Replacement ), ( Generic Keywords 1: Part ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: See Notes ), ( Manufacturer Warranty: 1 Year ), ( UPC: 199608437599 )

Review AC DELCO Genuine Acdelco Gmc Vacuum Control Solenoid Valve fits TERRAIN 2018–2019

The **AC Delco OLX-ACD55599948-CL360A52** is a high-performance **Vacuum Control Solenoid Valve** specifically engineered for **GMC Terrain models from 2018 and 2019**, ensuring precise and reliable operation within the vehicle s advanced engine management and emissions control systems. This solenoid valve plays a critical role in regulating the flow of vacuum or pressurized air to key components such as the **EGR (Exhaust Gas Recirculation) system, turbocharger wastegate, or intake manifold**, depending on the vehicle s configuration. Crafted with **AC Delco s premium engineering standards**, this component is designed to withstand the demanding conditions of modern automotive applications, delivering consistent performance under varying engine loads and temperatures.

Constructed from **durable, corrosion-resistant materials**, the **OLX-ACD55599948-CL360A52** features a **robust coil assembly** that ensures quick and accurate activation, minimizing electrical resistance and heat buildup for extended longevity. The internal **solenoid mechanism** operates with exceptional precision, allowing for seamless switching between open and closed states, which is essential for maintaining optimal engine efficiency, emissions compliance, and overall drivability. Whether managing exhaust gas recirculation to reduce nitrogen oxide emissions or controlling turbocharger boost levels for enhanced power delivery, this solenoid valve provides the **reliable actuation** needed to keep the engine running smoothly.

For **GMC Terrain owners** experiencing issues such as **rough idling, reduced engine power, or check engine lights triggered by P-codes related to vacuum control failures**, replacing the faulty solenoid with this **OEM-quality AC Delco part** offers a direct and cost-effective solution. The **direct-fit design** ensures compatibility without the need for modifications, making installation straightforward for both professional mechanics and DIY enthusiasts. With **superior build quality and strict adherence to factory specifications**, this solenoid valve not only restores the vehicle s performance to its intended levels but also contributes to **long-term reliability**, reducing the risk of further system malfunctions. Whether upgrading an existing system or replacing a worn-out component, the **AC Delco OLX-ACD55599948-CL360A52** stands as a dependable choice for maintaining the health and efficiency of your **2018 or 2019 GMC Terrain**.

Buying a used **AC Delco OLX-ACD55599948-CL360A52** (or a similar part for the 2018-2019 GMC Terrain s vacuum control solenoid valve) has both advantages and disadvantages. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying a Used/Aftermarket Part**

1. **Cost Savings** New OEM parts can be expensive, often costing $100 $200 or more. A used or aftermarket equivalent may be significantly cheaper, sometimes under $50, making it a budget-friendly option.

2. **Immediate Availability** If you re in a hurry to fix an issue (e.g., a failing solenoid causing rough idling or transmission problems), a used part may be available faster than waiting for an OEM replacement.

3. **Compatibility with Modifications** Some aftermarket parts are designed to work with performance upgrades or aftermarket systems, which may not be compatible with stock OEM components.

4. **Testing and Verification** If the seller provides a functional test (e.g., resistance checks or basic operation), you can confirm the part works before installation.

5. **Environmental Benefits** Purchasing a used part reduces waste compared to buying new, contributing to sustainability efforts.

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### **Cons of Buying a Used/Aftermarket Part**

1. **Reliability Concerns** Used parts may have unseen wear, damage, or failure modes. A solenoid valve that worked fine in one vehicle might fail prematurely in yours due to differences in electrical systems or mechanical stress.

2. **Lack of Warranty** Most used parts come with no warranty, meaning if it fails shortly after installation, you re responsible for replacement costs.

3. **Compatibility Issues** Even if the part fits physically, electrical or software incompatibilities (e.g., different voltage requirements or programming needs) could cause problems, especially in modern vehicles with integrated systems.

4. **Quality Variability** Aftermarket parts can vary widely in quality. Some may be well-made and reliable, while others could be cheaply manufactured and prone to failure.

5. **Difficulty in Return or Replacement** If the part fails, returning or replacing it can be challenging, especially if the seller is no longer available or the part is no longer in stock.

6. **Potential for Counterfeit Parts** Some aftermarket or "used" parts sold online may be fakes or rebranded knockoffs, which could perform poorly or even damage your vehicle s system.

7. **Installation Risks** If the part doesn t match the original specifications (e.g., incorrect resistance, voltage, or physical dimensions), improper installation could lead to electrical shorts, sensor errors, or other issues.

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### **Specific Considerations for the AC Delco OLX-ACD55599948-CL360A52 Solenoid Valve**

1. **OEM vs. Aftermarket Status** AC Delco is a reputable brand, and this part is likely an OEM or direct replacement. However, if it s being sold as "used," verify its condition and history. If it s new but sold as a "bargain," ensure it s not a counterfeit.

- Rough idling or stalling

- Transmission shifting issues (e.g., delayed or harsh shifts)

- Check Engine Light (CEL) with codes like P0700, P0740, or P0741 (related to solenoid or clutch issues)

- A clicking noise near the solenoid

...then the vacuum control solenoid valve may indeed be the culprit. A used part could be a viable fix if the symptoms align.

- Provide resistance readings (should match the vehicle s specifications, typically around 30 50 ohms for a solenoid).

- Demonstrate basic functionality (e.g., clicking when powered).

- Include a scan tool reading or proof that the part worked in the previous vehicle.

- Buying a **new AC Delco or OEM part** (if budget allows) for peace of mind.

- Checking for **remanufactured parts**, which often come with warranties.

- Consulting a mechanic to diagnose whether the solenoid is truly the issue before purchasing.

---

### **Conclusion**

- The part is thoroughly tested and verified by the seller.

- You re confident in the symptoms pointing to a solenoid failure.

- You re comfortable with the risks of reliability and warranty.

- You re unable or unwilling to pay the higher cost of a new OEM part.

However, if you prioritize **long-term reliability, warranty coverage, or ease of replacement**, investing in a **new OEM or high-quality aftermarket part** (e.g., from a trusted supplier like RockAuto, AutoZone, or a dealership) is the safer choice. Additionally, if the part is critical to your vehicle s performance (e.g., transmission function), the risk of failure may not be worth the savings.

---

### **Recommendation**

- Purchase the used part from a **reputable seller** (e.g., one with positive reviews, clear photos, and test results).

- Inspect it upon arrival and test it before installation.

- Proceed with installation cautiously, monitoring for any immediate issues post-installation.

- Buy a **new AC Delco or OEM part** (e.g., from a dealership or trusted online retailer).

- Consider a **remanufactured part** if available, as these often come with warranties and are cost-effective.

- Have a mechanic **diagnose the problem** first (e.g., scan for codes, test resistance, and visually inspect the part).

- Avoid purchasing without confirmation that the solenoid is faulty, as other components (e.g., vacuum hoses, sensors, or transmission solenoids) could be at fault.

- Stick to **well-known brands** (e.g., AC Delco, Bosch, Denso) and avoid generic or unbranded parts.

- Check for **user reviews or forums** (e.g., GMC Terrain forums, Reddit) for feedback on the specific part number.

Ultimately, weigh the **cost savings against the potential risks**. For a critical component like a solenoid valve especially in a vehicle with transmission or engine control issues the **safety and reliability of a new part** often outweigh the benefits of a cheaper used alternative.

Details:

Fast shipping, Well packaged, as described and great price. Ruico37: Verified Purchaser.: GMC: TERRAIN 2018 - 2019 Part position on vehicle Part slink number: Info: Part: VAcuum Control Solenoid Valve, Terminal Type: Blade, Quantity: 2, Hose 2 Inside Diameter: 0.24 inches / 6 millimeters, Connector 1 0.16 4 Mounting Bracket Included: Yes, Wiring Harness No, Adjustable: Gender: Female, Male, Features: Regularly updates production and service part designs to integrate new materials technologies, Premium Aftermarket ReplAcement Parts: Every component undergoes a thorough evaluation meticulous inspection establish adherence our strict safety standards high-quality benchmarks. Priced right, well packed for shipping, sent lightning quick.

From precision-engineered lighting solutions to high-quality replAcement parts, these top-rated items are trusted by drivers and mechanics. The item arrived quickly, well packaged, and exactly as described. I really appreciate the careful packaging to ensure everything arrived safely. Item received new, as described, of apparent OEM quality.

I would gladly purchase again in the future. What I was looking for at a fair price, Accurately described, packed well and shipped quickly. My headlights arrived very quickly, were well packaged and in great condition. Great value and quality as they were not only beautiful but CAPA approved.

Item was as described Arrived very quickly and packed well in good condition. Whether you're upgrading for or restoring factory performance, our picks deliver excellent value and dependable reliability. Engineered For Longevity: Crafted from top-tier Cleaned Template. Jody ne: Verified Purchaser.

Honest and reliable highly recommended for anyone considering buying from them. Would be happy to do business again in the future.

part #: 199608437599 prices

• $8.30-$50.52

specifications emissyste:

• for models: Terrain
• for makes: Gmc
• for years: 2018-2019
• brand: Ac Delco
• mpn: Olx-acd55599948-cl360a52
• part type: Vacuum Control Valve Solenoid
• universal fitment: Direct Replacement
• generic keywords 1: Part
• intended use: Automobiles
• misc fitment notes: See Notes
• manufacturer warranty: 1 Year
• upc: 199608437599

returns emissyste:

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

seller emissyste:

• rating: 99.6%
• # reviews: 131841
• city: West Chicago, IL

payments emissyste:

• other
• credit card: Diners-club
• wallet: Paypal

offer emissyste:

• options: Ship-to-home
• started: February 26, 2026
• sold: 0
• quantity: 3
• availability: In Stock

general emissyste:

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

shipping emissyste:

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

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