DELPHI
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DELPHI ES20325  
$64.79
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$64.79
Total
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DELPHI ES20325 Specifications
Band TypeNarrow
Connector GenderMale
Connector ShapeSquare
Mounting TypeThreaded
Overall Length (IN)9.4
Overall Length (MM)240.0
Package ContentsOxygen Sensor, Instruction Sheet
Position(s)Rear, Rear Left, Rear Right. For the position specific to your vehicle, refer to the Application tab.
Sensor TypeHeated
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade
Thread Diameter (IN)18.0
Thread Diameter (MM)18.0
Thread SizeM18x1.5
Wire Gauge Measurement (GU)20
Wire Harness Length (IN)8.3
Wire Harness Length (MM)210.0
Wire Quantity4
Wrench Size22mm
Features & Benefits:
  • Planar technology helps reduce emissions
  • Features OE connectors and wire lengths within three inches of OE specifications, which results in easier installation and resistance to high temperatures, vibration damage and wire corrosion, which protects signal accuracy and longevity.
  • Industry's fastest light-off times to reduce cold-start emissions and improved fuel economy over aging sensor
  • Unique sensor coatings protect elements from premature failure and are validated for lifetime operation with E85 and other alcohol-based fuels.
  • Installation instructions are included and features correct installation torque.
O2 Sensor Identification Guide

An OBD Scan Tool will usually identify Oxygen Sensors by the Bank Number (B1 = Bank 1) and Sensor Number (S1 = Sensor 1). Bank 1 will always contain Cylinder 1, which is located closest to the front of the engine.

Part manufacturers often use different terms than scan tools to identify sensor positions. Regardless of the vehicle's engine orientation, the right or left bank is determined by viewing the engine from the rear (opposite the drive belts).

A
Upstream Sensor (Before Converter)
B
Downstream Sensor (After Converter)
C
Left or Front Upstream Sensor (Before Converter)
D
Right or Rear Upstream Sensor (Before Converter)


Engine Bank Identification
Common O2 Sensor Contaminants

Oxygen (O2) Sensors commonly fail due to contamination. When checking or replacing an O2 Sensor, visually inspect the sensor body to determine if it has been contaminated by a faulty part or substance upstream, and correct the fault before replacing the sensor.

ANTIFREEZE POISONING
Common Causes:
  • Cracked or warped cylinder head
  • Leaking cylinder head gasket
  • Leaking intake manifold gasket
Antifreeze Poisoned O2 Sensor
Antifreeze Poisoned O2 Sensor
SILICONE POISONING
Common Causes:
  • Use of an improper silicone gasket sealant on the engine

Silicone Poisoned O2 Sensor
Silicone Poisoned O2 Sensor
CARBON BUILDUP
Common Causes:
  • Clogged air filter
  • Leaking or defective fuel injector

Carbon Buildup O2 Sensor
Carbon Buildup O2 Sensor
OEM / Interchange Numbers: 8946504300, 8946504350, 8946507070, 894650C160, 894650C170, 8946535680, 8946536040, 8946560290, 8946560330

Warranty Information:
12 Months / 12,000 Miles