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GM 12556582 Part Description
GM Sprocket
GM 12556582 Specifications
Product Attributes
| Inside Diameter | 1.49 IN |
| Thickness | 1.73 IN |
| Outside Diameter | 2.72 IN |
| Tooth Quantity | 22 |
| Inside Diameter | 37.82 MM |
| Thickness | 43.87 MM |
| Outside Diameter | 69 MM |
| Features & Benefits - Bullet 4 | Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) |
| Material | Alloy Steel |
| Features & Benefits - Bullet 1 | Gear attached to the crankshaft that timing chain rides on |
| Features & Benefits - Bullet 3 | Part of the valve train system that opens and closes the valves at the appropriate time in the combustion cycle |
| Product Description | GM Genuine Parts Engine Timing Crankshaft Sprockets are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These sprockets are part of the valve train system that opens and closes the valves at the appropriate time in the combustion cycle. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Programming Required | No |
| Features & Benefits - Bullet 2 | Synchronizes with the camshaft sprocket with the use of a timing chain |
| Features & Benefits - Bullet 5 | GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors |
| Features & Benefits - Bullet 6 | GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle |
| Features & Benefits - Bullet 7 | GM regularly updates production and service part designs to integrate new materials and technologies |
| Signs of Wear & Troubleshooting - Section 1 - Header | Signs of wear for engine timing crankshaft sprockets include but are not limited to: |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 1 | Poor engine performance |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 2 | Rough engine idle |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 3 | Exhaust backfire |
| Signs of Wear & Troubleshooting - Section 1 - Bullet 4 | Excessive noise in valve train |
| Good Maintenance Practices - Section 1 - Bullet 1 | Before purchasing and installing an engine timing crankshaft sprocket, make sure it is the correct fit for your vehicle |
| Good Maintenance Practices - Section 1 - Bullet 2 | Keep engine oil changed and level full for proper lubrication |
| Good Maintenance Practices - Section 1 - Bullet 3 | Keep coolant level full to prevent overheating |
| Good Maintenance Practices - Section 1 - Bullet 4 | Have valve train serviced by a technician at first sign of problem |
| Good Maintenance Practices - Section 1 - Bullet 5 | Regularly inspect engine timing crankshaft sprockets for signs of damage or wear, and replace them if signs of damage are found |
| FAQ - Question 1 | Should the Vehicle Owner’s manual or an expert technician be consulted before making any repairs or adjustments? |
| FAQ - Answer 1 | Yes. Always consult the Vehicle Owner’s manual or an expert technician before making any repairs or adjustments. |
| FAQ - Question 2 | Can I replace a bad sprocket myself? |
| FAQ - Answer 2 | Replacing any part of the timing chain components require advanced technical knowledge and special tools. Consult a certified technician. |
Additional Information
| Warranty Special | 24 Months/Unlimited Miles Limited Warranty (Parts Only). Please see ACDelco.com for more details|36 Months/60,000 Kilometers Limited Warranty (Parts Only). Please see ACDelcocanada.com for more details |
| Harmonized Tariff Code (HTS) | 8483901010 |
| Country of Origin (Primary) | US |
| Warranty Special UOM | TX |
| UPC | 00195491147508 |
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