O2 Sensor – Narrow Band

Indmar Oxygen Sensor Part #596100
Ensure clean emissions and proper engine performance with this factory-style 4-wire O sensor designed by Indmar. This sensor is used in various Malibu and Axis boats with GM or Ford Indmar engines.

Fitment & Function

• GM-based Indmar engines (MEFI-6):
  5.7L, 6.0L (L96), 6.2L
  Used in both upstream (pre-cat) and downstream (post-cat) positions

• Ford-based Indmar Raptor engines (6.2L):
  Used in downstream (post-cat) only
  For upstream (pre-cat), use wideband O2 sensor (Indmar #597094 or equivalent)

Features:

• 4-wire heated narrow-band sensor

• OEM plug for direct-fit installation

• Pre-applied anti-seize on threads

• Helps maintain optimal air-fuel ratio, fuel efficiency, and emissions compliance

Whats Included:

• (1) Oxygen Sensor Indmar #596100

• Compatible with factory harness no splicing required

Important Notes:

• Check engine fault codes (SPN/FMI) to confirm sensor position (e.g., Bank 1 Sensor 1 = upstream passenger side)

• For Ford Raptor upstream use, see Indmar part #597094