Parts for your 2018 Holden Captiva 7-Oil seals

2018 Holden Captiva 7 Oil Seals — What They Do and When to Replace

Oil seals are absolutely relevant to the 2018 Holden Captiva 7. Holden/GM Global Service Information (GSI) and the CG Series II Captiva workshop manual describe multiple rotary oil seals across the engine and driveline. The GM Electronic Parts Catalogue lists crankshaft front and rear main seals, transaxle output shaft seals, and (on AWD) transfer case and differential pinion/axle seals. Major aftermarket catalogues (e.g., ACDelco, Corteco) also catalogue these seals specifically for the 2018 Captiva 7 powertrains. So yes — this vehicle definitely uses oil seals.

On a Captiva 7, oil seals keep engine oil, transmission fluid and final-drive oil where they should be, while keeping dust and road grime out. They’re typically nitrile or Viton lip-style seals riding on a polished shaft surface. Their job is simple but crucial: control lubrication, protect bearings, and prevent leaks that can damage belts, clutches, or rubber mounts and make a mess of the driveway.

• Engine: front crankshaft seal (behind the crank pulley) and a rear main seal (between engine and transmission).
• Transaxle: left/right driveshaft output seals