Rear Oxygen Sensor for 1999-2003 Subaru Forester & More - Delphi ES20101

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$151.99

MPN: ES20101

UPC: 689604148358

Item Package Quantity: 1

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Delphi Oxygen Sensor P/N:ES20101

$151.99

Description

Delphi ES20101 rear oxygen sensor for the 1999-2003 Subaru Forester H4 2.5L and other vehicles measures exhaust oxygen for the engine computer.

Delphi planar technology that covers older, conical design sensors
Smart design that consolidates SKUs without using long wires
Patented protective sensor coating helps prevent contamination
Validated for all fuel types, including ethanol blends like E85
Tested to 150,000 miles, plus 2,000 hours of severe thermal testing

Quick facts

Part: Delphi ES20101 oxygen sensor
Fits: 1999-2003 Subaru Forester H4 2.5L and other vehicles
Position: Rear
Condition: New

A failing oxygen sensor can show up as a check engine light, poorer fuel economy or a rough idle. These signs alone do not show the sensor is the problem; an exhaust leak near it is another common cause.

Fits

This O2 sensor for the 1999-2003 Subaru Forester H4 2.5L also fits the 1999-2004 Subaru Impreza H4 2.5L, and each car takes one rear sensor. This listing is one sensor. Delphi builds its oxygen sensors to Delphi's OE standards.

Specifications

Fit and size

Position: Rear
Quantity per vehicle: 1

Build and materials

Condition: New
Technology: Delphi planar
Coating: patented protective sensor coating

In the box

One oxygen sensor and one instruction sheet.

Interchange: 234-4706 · 138-658 · 22690 AA420 · 22690 AA540 · 22690 AA640 · 250-24295
2131280 · OS1950 · 13469 · 15336 · 24578 · REA1118 · SG1199 · SU4679 · SU6405 · SU6799

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

This part cross-references / interchanges with the following part numbers:

2131280, OS1950, 13469, 15336, 234-4706, 138-658, 24578, REA1118, SG1199, 22690 AA420, 22690 AA540, 22690 AA640, 250-24295, SU4679, SU6405, SU6799

Frequently Asked Questions

Is this the O2 sensor for a 2001 Subaru Forester H4 2.5L?

Yes. Delphi ES20101 is a rear oxygen sensor for the 1999-2003 Subaru Forester H4 2.5L, which includes the 2001 model year, and the car takes one.

Is there an oxygen sensor here for the 1999-2004 Subaru Impreza H4 2.5L?

Yes. Delphi ES20101 is a rear oxygen sensor for the 1999-2004 Subaru Impreza H4 2.5L, and this listing is one sensor.

Is this Delphi oxygen sensor validated for E85 fuel?

Yes. The sensor is validated for all fuel types, including ethanol blends like E85.

Does the oxygen sensor come with an instruction sheet?

Yes. The package contains one oxygen sensor and one instruction sheet.

What testing does the Delphi ES20101 go through?

It is OE tested to 150,000 miles and put through 2,000 hours of severe thermal testing. A patented protective coating on the sensor helps prevent contamination.