Replaces

Cadillac CTS SRX STS O2 Oxygen Sensor Pair ACDelco 213-3240 - ACEEK00018

Description
Warranty & Shipping
How-To & Tools
Product Reviews
Q&A
Vehicle Fit

Part Details

  • Quantity:   Pair

Specifications:
  • Brand New AC Delco Oxygen Sensor
  • Fits LH (Driver Side) or RH (Passenger Side) Front
  • Built and tested to strict quality control standards
  • Direct fit replacement

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Wiper Arm (0:48)
    • Pry off the wiper arm cap by hand
    • Remove the 15mm nut from the wiper arm stud
    • Pull the wiper arm off the stud
  2. step : Removing the Cowl Panel (1:59)
    • Peel off the weatherstrip
    • Remove the four 7mm screws from the cowl panel
    • Lift up and carefully release the passenger side of the cowl panel
    • Remove the 10mm nut from the driver side cowl panel
    • Remove the driver side cowl panel up and out
  3. step : Removing the Wiper Transmission (2:57)
    • Remove the two 10mm bolts from the wiper transmission assembly
    • Lift the assembly up toward the center of the vehicle
    • Disconnect the transmission wiring harness
  4. step : Removing the Engine Cover (3:33)
    • Remove the oil fill cap
    • Remove the engine cover
    • Reinstall the oil cap
  5. step : Removing the Passenger Upstream O2 Sensor (3:57)
    • Remove the three 10mm bolts from cowl panel retainer connected to the firewall
    • Disconnect the O2 sensor connector on the backside of the engine
    • Loosen the O2 sensor with a sensor socket or a 22mm socket
    • Remove the sensor by hand
  6. step : Installing the Upstream O2 Sensor (6:58)
    • Install the O2 sensor by hand
    • Tighten the O2 sensor with an O2 sensor socket of 22mm socket
    • Connect the wiring harness
    • Insert the cowl panel retainer into place
    • Tighten the three 10mm bolts to the cowl panel retainer
  7. step : Installing the Engine Cover (7:55)
    • Remove the oil fill cap
    • Press on the engine cover
    • Reinstall the oil cap
  8. step : Reinstalling the Wiper Transmission (7:56)
    • Connect the wiper transmission electrical connector
    • Insert the wiper transmission into place
    • Tighten the two 10mm bolts to the wiper transmission
  9. step : Reinstalling the Cowl Panel (8:24)
    • Insert the driver side cowl panel into place
    • Tighten the 10mm nut to the driver side
    • Insert the passenger side cowl panel into place
    • Tighten the 7mm screws to the panel
    • Press on the weatherstrip
  10. step : Installing the Wiper Arm (9:42)
    • Put the wiper arm onto the stud
    • Fasten the 15mm nut onto the wiper arm stud
    • Push on the wiper arm cap

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Painter's Tape

  • Ratchets & Related

  • Torque Wrench
  • Socket Extensions

  • Sockets - Metric

  • 7mm Socket
  • 10mm Socket
  • 15mm Socket

  • Specialty Tools

  • O2 Sensor Socket

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Year Make Model Description
2004-2005Cadillac CTS Cadillac CTS V6 3.6L Oval Plug Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2005Cadillac CTS Cadillac CTS V6 2.8L Oval Plug Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2006-2007Cadillac CTS Cadillac CTS V6 2.8L Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2006-2007Cadillac CTS Cadillac CTS V6 3.6L Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2005Cadillac SRX Cadillac SRX Oval Plug Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2006Cadillac SRX Cadillac SRX V6 3.6L Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2005Cadillac STS Cadillac STS Oval Plug Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
2006-2007Cadillac STS Cadillac STS V6 3.6L Upstream O2 Oxygen Sensor Pair ACDelco 213-3240
Only 2 left in stock
Part #: ACEEK00018


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

AC DELCO
Brand #: 213-3240

How-to Video:

(11:08 min)