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On average, the cost for a GMC Sierra 1500 Oil Pump O Ring Replacement is $498 with $61 for parts and $437 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 2002 GMC Sierra 1500V6-4.3L | Service typeOil Pump O Ring Replacement | Estimate$948.34 | Shop/Dealer Price$1076.70 - $1331.26 |
| 2017 GMC Sierra 1500V8-6.2L | Service typeOil Pump O Ring Replacement | Estimate$752.05 | Shop/Dealer Price$868.67 - $1101.32 |
| 2001 GMC Sierra 1500V8-4.8L | Service typeOil Pump O Ring Replacement | Estimate$718.35 | Shop/Dealer Price$834.78 - $1080.40 |
| 2006 GMC Sierra 1500V8-6.0L | Service typeOil Pump O Ring Replacement | Estimate$595.59 | Shop/Dealer Price$681.23 - $834.70 |
| 2017 GMC Sierra 1500V8-5.3L | Service typeOil Pump O Ring Replacement | Estimate$752.05 | Shop/Dealer Price$868.75 - $1101.45 |
| 2018 GMC Sierra 1500V8-5.3L Hybrid | Service typeOil Pump O Ring Replacement | Estimate$752.05 | Shop/Dealer Price$868.66 - $1101.31 |
| 2017 GMC Sierra 1500V6-4.3L | Service typeOil Pump O Ring Replacement | Estimate$838.04 | Shop/Dealer Price$959.88 - $1196.44 |
| 2016 GMC Sierra 1500V8-6.2L | Service typeOil Pump O Ring Replacement | Estimate$778.05 | Shop/Dealer Price$895.90 - $1129.46 |
In order to lubricate the engine, oil must be pumped up from the pan through the engine. This process, which is performed by the oil pump, requires a gasket or “O-ring” to ensure that oil does not leak out past the mounting location. While oil pump O-ring failure is rare, it does happen.
The oil pump O-ring becomes brittle over time and through normal wear and tear. Not properly maintaining your car with regular oil changes can exacerbate the problem and increase the speed of the aging process. Over time, the oil pump O-ring can crack and begin to leak. It can be difficult to diagnose this type of leak, which is easily confused with a front main seal leak or other leaks. The only method of verifying the leak source is to remove the timing cover. Replacing the oil pump O-ring will require removing the oil pan from the car. We recommend replacing both the pump and the O-ring simultaneously.
All engine oil leaks are serious, as even minor leaks will lead to major problems. Low oil levels will cause immense damage your engine. Have your engine maintained by one of our expert mechanics.
Replacing a failed oil pump O-ring is very important. Left unfixed, the problem will only exacerbate. It’s recommended that you replace the oil pump simultaneously, since the old pump must be removed anyway to replace the O-ring. Make sure you’re working with one of our expert mechanics capable of providing you with an accurate diagnosis, as oil leaks of this nature are notoriously difficult to pinpoint.
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