# Edelbrock EFI 02 Sensor and Bung

The Edelbrock #3591 is a Replacement Narrow-Band Oxygen Sensor For ProFlo1 (#3500 Series) EFI Systems. It is a Bosch 3-Wire, Heated Sensor. It includes Replacement O2 Sensor and Weld-In Bung.

-   Use To Guide Carburetor Adjustment And Jetting

## Details

- **Price:** 195.18 CAD
- **Vendor:** Edelbrock
- **Type:** Solenoids

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 195.18 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - Primary
- User 1
- User 4
- User 3

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/edelbrock-efi-02-sensor-and-bung)
> Updated: 2026-08-18