
GATES OAP7178 Alternator Pulley - Fits Astra, Insignia 2.0D | 6 Grooves, 2.32 in Diameter
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Fitment
Listed for Astra, Insignia
Check this part against your vehicle
Options come from the vehicles named on the parts we stock.
Product details
GATES OAP7178 Alternator Pulley
Optimize the performance of your Astra or Insignia with the GATES OAP7178 Alternator Pulley, specifically designed for 2.0D engines.
Key Features:
- Designed for Opel Astra and Insignia 2.0D models.
- Features 6 grooves for effective power transfer.
- Durable construction for long-lasting performance.
Technical Specifications:
- Outer Diameter: 2.32 in (59 mm)
- Inner Diameter: 0.67 in (17 mm)
- Width: 1.89 in (48 mm)
For installation, it is recommended to use the special tool with product number GAT4955B for optimal fit. Ensure your vehicle’s electrical system operates efficiently with the reliable GATES OAP7178 Alternator Pulley.
How to Use:
- Use recommended special tool GAT4955B for installation.
- Ensure compatibility with your vehicle's engine specifications.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.








