AC DELCO OLX-ACD55505909-CL360A57 High Pressure Fuel Rail 199608248591 Acdelco Injection

( Brand: Ac Delco ), ( Manufacturer Part Number: OLX-ACD55505909-CL360A57 ), ( Type: Automotive ), ( Item Weight: 5.0200 ), ( Item Length: 21.000 ), ( Item Width: 5.300 ), ( Item Height: 3.300 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Generic Keywords 2: See Notes ), ( Intended Use: Automobiles ), ( Manufacturer Warranty: 1 Year ), ( UPC: 199608248591 )

Review AC DELCO Genuine Acdelco Chevy High Pressure Fuel Injection Rail fits TAHOE 2021–2022

The **AC Delco OLX-ACD55505909 (CL360A57)** is a premium, direct-fit high-pressure fuel injection rail designed specifically for the **2021 and 2022 Chevrolet Tahoe** models equipped with the **L5P 3.0L EcoTec3 V6 engine**. This critical component plays a pivotal role in the vehicle s fuel delivery system, ensuring precise and efficient combustion for optimal performance, power, and fuel economy. Engineered to meet or exceed OEM specifications, this fuel rail is constructed from high-grade materials, including durable stainless steel and reinforced aluminum, to withstand the intense pressures and thermal demands of modern direct-injection engines. The rail features an integrated **common rail system**, which delivers fuel at high pressure (up to **2,000 psi or higher**, depending on engine tuning) directly into the combustion chamber, enhancing combustion efficiency and reducing emissions. Its sleek, compact design ensures a seamless fit within the engine bay, with precise mounting points and gasket seals to prevent leaks and maintain system integrity. Compatible with the Tahoe s **GM s 2.0L or 3.0L EcoTec3 engines** (depending on model variant), this rail is engineered to work harmoniously with the **high-pressure fuel pump, injectors, and ECU**, providing reliable fuel metering for both idle and high-load conditions. Whether you re restoring a Tahoe to factory specifications or upgrading an existing fuel system, this AC Delco part offers the reliability and performance expected from a genuine GM replacement, ensuring your vehicle runs with the same precision and efficiency as it did when it left the dealership. Built to last, this rail is a must-have for enthusiasts and mechanics alike who demand nothing less than the highest quality in their vehicle s fuel delivery components.

### **Pros and Cons of Buying a Used AC Delco OEM High-Pressure Fuel Rail (OLX-ACD55505909-CL360A57) for a 2021-2022 Chevy Tahoe**

1. **OEM Quality and Compatibility** AC Delco is a trusted OEM (Original Equipment Manufacturer) brand, meaning the part is designed specifically for your vehicle s engine. This ensures proper fitment, performance, and compatibility with the factory fuel system, including the high-pressure fuel pump and injectors.

2. **Reliability and Durability** OEM parts are built to meet or exceed factory specifications, reducing the risk of premature failure compared to aftermarket alternatives. The fuel rail is a critical component, and a high-quality part helps maintain proper fuel delivery and engine efficiency.

3. **Warranty Coverage (If Available)** Some used OEM parts may still carry limited warranties or return policies, especially if purchased from a reputable seller. This provides some recourse if the part fails shortly after installation.

4. **Easier Maintenance and Repairs** Since it s an OEM part, mechanics and dealerships are more familiar with it, making diagnostics, servicing, and future replacements simpler. This can save time and labor costs in the long run.

5. **Prevents Engine Damage** A faulty fuel rail can lead to poor fuel atomization, misfires, or even engine damage due to improper fuel pressure. A reliable OEM part helps avoid these issues, especially in high-performance or daily-driven vehicles.

6. **Resale Value** If you ever sell the vehicle, having OEM components can make it more attractive to buyers who prefer factory-spec parts.

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1. **Higher Cost Compared to Aftermarket** OEM parts are generally more expensive than aftermarket alternatives. A used OEM fuel rail may still be pricier than a new or refurbished aftermarket equivalent, depending on availability and condition.

2. **Limited Availability of Used Parts** Finding a high-quality used OEM fuel rail in good condition can be challenging, especially for newer model years like the 2021-2022 Tahoe. Sellers may charge premium prices for rare parts, or the part may not be available at all.

3. **Potential for Hidden Damage** Since the part is used, there s a risk of internal wear, cracks, or contamination from previous use. Even if the seller claims it s in good condition, a thorough inspection (or replacement) of the fuel injectors and pump may still be necessary.

4. **Installation Complexity** Replacing a high-pressure fuel rail requires proper handling of fuel system components, including bleeding the system, recalibrating injectors, and ensuring no air leaks. Improper installation can lead to fuel leaks, poor performance, or even engine damage.

5. **No Guarantee of Original Condition** The part may have been exposed to extreme temperatures, contaminants, or improper storage, which could affect its longevity. Unlike new parts, you can t verify its full service history.

6. **Alternative Options May Be Better** For some applications, aftermarket fuel rails (e.g., from Stanadyne, Delphi, or performance brands) may offer comparable performance at a lower cost, especially if they re remanufactured or come with warranties.

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Buying a used **AC Delco OEM high-pressure fuel rail** for your 2021-2022 Chevy Tahoe is a solid choice if you prioritize **reliability, compatibility, and long-term performance**. The OEM designation ensures it meets factory standards, reducing the risk of compatibility issues or premature failure. However, the **higher cost, limited availability, and potential for hidden damage** make it a less ideal option compared to new or remanufactured parts.

If you can find a **verified used OEM part in excellent condition** (preferably with a warranty or return policy), it s a worthwhile investment, especially if you re replacing a failed original or a known counterfeit part. Alternatively, if budget is a concern, a **high-quality aftermarket fuel rail with a warranty** (e.g., from Stanadyne or Delphi) may offer a better balance of cost and performance.

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1. **Verify the Part s Condition** Inspect for physical damage, leaks, or signs of wear. If possible, have a mechanic check it before purchase.

2. **Check for Warranty or Return Policy** Ensure the seller offers some form of protection in case the part fails.

3. **Compare Pricing** Look for aftermarket alternatives that match or exceed OEM quality at a lower cost.

4. **Consider New or Remanufactured** If available, a **new OEM or remanufactured fuel rail** (from a reputable dealer) may be a safer long-term solution.

5. **Budget for Professional Installation** Fuel rail replacement requires precision; if you re not experienced, have a mechanic perform the work to avoid costly mistakes.

If you can secure a **high-quality used AC Delco OEM fuel rail at a reasonable price**, it s a **reliable choice** for maintaining your Tahoe s performance. However, if cost is a major factor, a **warrantied aftermarket alternative** may be just as effective while saving money. Always prioritize **condition, compatibility, and installation quality** over price alone.

Details:

I really appreciate the careful packaging to ensure everything arrived safely. Priced right, well packed for shipping, sent lightning quick. Item received new, as described, of apparent OEM quality. Product Info: - Part: High Pressure Diesel Fuel Injection Rail, Fitting Thread Diameter: 0.55 inches / 14 millimeters, Quantity: 8, Type: Direct, Fittings Included: No, Injector 6, System Diesel, Gasket Or Seal Injectors Features: Feeds the injectors to supply fuel into combustion chamber be mixed with air for excellent combustion, Easy cold starting, Excellent economy, Regularly updates production and service part designs integrate new materials technologies, Premium Aftermarket ReplAcement Parts: Every component undergoes a thorough evaluation meticulous inspection establish adherence Cleaned Template.

I would gladly purchase again in the future. Great value and quality as they were not only beautiful but CAPA approved. Whether you're upgrading for or restoring factory performance, our picks deliver excellent value and dependable reliability. My headlights arrived very quickly, were well packaged and in great condition.

CHEVROLET: TAHOE 2021 - 2022 Part position on vehicle Part slink number: Info: - Part: High Pressure Diesel Fuel Injection Rail, Fitting Thread Diameter: 0.55 inches / 14 millimeters, Quantity: 8, Type: Direct, Fittings Included: No, Injector 6, System Diesel, Gasket Or Seal Injectors Features: Feeds the injectors to supply fuel into combustion chamber be mixed with air for excellent combustion, Easy cold starting, Excellent economy, Regularly updates production and service part designs 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. Fast shipping, Well packaged, as described and great price. The item arrived quickly, well packaged, and exactly as described. Ruico37: Verified Purchaser.

Item was as described Arrived very quickly and packed well in good condition. Honest and reliable highly recommended for anyone considering buying from them. From precision-engineered lighting solutions to high-quality replAcement parts, these top-rated items are trusted by drivers and mechanics. Would be happy to do business again in the future.

Jody ne: Verified Purchaser. What I was looking for at a fair price, Accurately described, packed well and shipped quickly.

part #: 199608248591 prices

• $114.96-$380.13

specifications carfuelinjector:

• for models: Tahoe
• for makes: Chevy
• for years: 2021-2022
• brand: Ac Delco
• mpn: Olx-acd55505909-cl360a57
• type: Automotive
• item weight: 5.0200
• item length: 21.000
• item width: 5.300
• item height: 3.300
• fitment type: Direct Replacement
• generic keywords 1: Part
• generic keywords 2: See Notes
• intended use: Automobiles
• manufacturer warranty: 1 Year
• upc: 199608248591

returns carfuelinjector:

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

shipping carfuelinjector:

• transit: 2-6 Days
• service: Standard
• class: Standard
• type: Fixed
• cost: $0.00

payments carfuelinjector:

• wallet: Paypal
• credit card: Mastercard
• other

offer carfuelinjector:

• sold: 0
• quantity: 8
• started: February 18, 2026
• availability: In Stock
• options: Ship-to-home

general carfuelinjector:

• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors
• condition: New

seller carfuelinjector:

• rating: 99.6%
• city: West Chicago, IL
• # reviews: 128565

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