Electric Fuel Pump - ACDelco (EP266)
Genuine OEM ACDelco Parts & Accessories - ep266
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Genuine ACDelco Parts 
- ACDelco
- EP266
Details
- Brand:
- SKU:
EP266
- GTIN: 00036666236750
- UPC: 036666236750
- Other Names:
25116527
- Description: ACDelco GM Original Equipment Electric Fuel Pumps deliver fuel to your vehicle's fuel injectors, helping to provide a steady, reliable fuel supply to your vehicle's engine. ACDelco GM OE Electric Fuel Pumps are GM-recommended replacements for your vehicle's original components. These original equipment fuel pumps have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Select Your Vehicle
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
Also Purchased
Additional Information
| Brand | ACDelco GM Original Equipment |
| FAQ - Answer 1 | Yes. Refer to a parts catalog for specific applications. |
| FAQ - Answer 2 | Yes. GM Original Equipment fuel pumps have gone through the same rigorous testing and meet the specifications of the production pump your vehicle was built with. |
| FAQ - Answer 3 | No. Noise, exhaust smoke, warning lights, hard starting, stalling, and hesitation can all be signs of a failing fuel pump. However, it is also possible that none of these signs could be present. |
| FAQ - Answer 4 | Yes. Inspecting fuel pressure and/or examining engine data and codes with a scan tool can help determine potential concerns. |
| FAQ - Answer 5 | Yes. It is good practice to refuel with high quality fuel from well known, high volume, trusted fuel stations whenever possible. |
| FAQ - Answer 6 | Yes. Special tools may be required, e.g., a wire connector crimper, fuel pressure gauge, and lock ring removal tool. |
| FAQ - Question 1 | Do I need to buy a specific version of this pump to fit my particular vehicle? |
| FAQ - Question 2 | Are there benefits to replacing my fuel pump with a GM Original Equipment fuel pump? |
| FAQ - Question 3 | Will my fuel pump always exhibit warning signs if it is failing? |
| FAQ - Question 4 | Are there ways to test my fuel pump to see if it is performing efficiently? |
| FAQ - Question 5 | Are there preventative measures I can take to help prevent/minimize fuel contamination that could damage my fuel pump? |
| FAQ - Question 6 | Could special tools be required for fuel pump installation? |
| Features & Benefits - Bullet 1 | Helps provide a reliable fuel supply to your vehicle's engine |
| Features & Benefits - Bullet 2 | GM-recommended replacement part for your GM vehicle's original factory component |
| Features & Benefits - Bullet 3 | Offering the quality, reliability, and durability of GM OE |
| Features & Benefits - Bullet 4 | Manufactured to GM OE specification for fit, form, and function |
| Good Maintenance Practices - Section 1 - Bullet 1 | Running your vehicle with a near empty fuel tank can cause your pump to fail. For longevity, maintain proper fuel levels. |
| Good Maintenance Practices - Section 1 - Bullet 2 | Fuel contamination is one of the top reasons for fuel pump failure. For proper operation and longevity, it is critical to have a clean fuel system. |
| Good Maintenance Practices - Section 1 - Bullet 3 | When servicing an electric fuel pump, always replace the strainer, and inspect the inline fuel filter for contamination. |
| Good Maintenance Practices - Section 1 - Bullet 4 | When replacing a fuel pump, check for proper electrical connections, pressure, volume, and current. |
| Good Maintenance Practices - Section 1 - Bullet 5 | Make a service appointment if your vehicle shows any of the following symptoms: 'Service Engine Soon' light is illuminated, improper engine idling, hesitation, or stalling, excessive exhaust smoke, abnormal engine noises, or noticeable fuel odors. |
| Good Maintenance Practices - Section 1 - Bullet 6 | Refer to your Vehicle Owner's manual for additional vehicle maintenance practices. |
| Programming Required | No |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Poor engine starting characteristics |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Slow response when accelerating |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Intermittent power loss |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Excessive noise |
| Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear for electric fuel pumps include but are not limited to: |
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