PG4631 Premium Guard Oil Filter for GM / PSI 8.8 Engine

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

PG4631 Premium Guard Oil Filter for GM / PSI 8.8 Engine

Suppliers (1)

• Midwest Bus Parts

  PG4631 Premium Guard Oil Filter for GM / PSI 8.8 Engine · Stock not confirmed

  Checked Oct 28, 2026
  $4.25
  View at supplier

Specifications and fitment

Features

• Spin-on engine oil filter
• Helps capture dirt and contaminants from circulating engine oil
• Supports proper engine lubrication
• Helps protect bearings and other lubricated internal components
• Designed to maintain proper engine oil flow
• Suitable for demanding school bus operating conditions
• Ideal for preventive maintenance programs
• Multiple major OEM and aftermarket interchange numbers

Fits

• Power Solutions International (PSI) 8.8L engines
• GM-based PSI 8.8L engine applications
• School buses equipped with compatible PSI 8.8L engines
• Commercial buses
• Medium-duty commercial vehicles
• Fleet vehicles using compatible PSI engines
• Applications using Premium Guard PG4631
• Applications using a verified PG4631 interchange

Price history