| ACDELCO 12C28 Specifications |
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| Width | 2.46 IN | | Thread Diameter | 1.45 IN | | Height | 31.7 MM | | Grade Type | Regular | | Meets or Exceeds OEM Specifications | Yes | | Material | Plastic | | Gasket or Seal Included | Yes | | Color | Black | | Mounting Type | Threaded | | Shape | Round | | Height | 1.24 IN | | Width | 62.6 MM | | Thread Diameter | 37.0 MM |
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| An ACDelco GM Original Equipment Engine Oil Filler Cap is a threaded or quarter-turn cap that seals the oil filler opening on your vehicle's engine, and is a GM-recommended replacement for your vehicle's original component. It has a rubber sealing ring that keeps the engine oil and crankcase vapors in, while keeping water and dirt out. This original equipment engine oil filler cap has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
ACDelco Quality ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.
| GM ORIGINAL EQUIPMENT |
| GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors. |
| ACDELCO GOLD (PROFESSIONAL) |
| ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors. |
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| OEM / Interchange Numbers: 19114640 |
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