Keep your engine running efficiently
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! Engine code ABZ (up to the 1999 model year)
Located behind the catalytic converter
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Fits right side
Brand:
ES#:
4147855
Mfg#:
4L0906262H
Ships in 1-2 days
$189.99
This product was last offered at the strikethrough price on 05-07-2026
Keep your engine running efficiently
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Engine code CBFA - For the rear position before the catalyst (4-pin)
Brand:
ES#:
3438766
Mfg#:
1K0998262E
Ships in 1-2 days
$262.99
This product was last offered at the strikethrough price on 05-07-2026
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Bank 1 (right side turbo) rear position
Restore fuel mileage and clear codes
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Fits right side
Brand:
ES#:
4147853
Mfg#:
4L0906262K
Ships in 1-2 days
$180.99
This product was last offered at the strikethrough price on 05-07-2026
Keep your engine running efficiently
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Fits the left and right position
Brand:
ES#:
2598469
Mfg#:
06E906265Q
Ships in 1-2 days
$163.99
This product was last offered at the strikethrough price on 05-07-2026
Keep your engine running efficiently
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For engine code ATQ, fits left and right position
Brand:
ES#:
3551566
Mfg#:
1K0998262AB
Ships in 1-2 days
$142.99
This product was last offered at the strikethrough price on 05-07-2026
For vehicles with 6 pin brown connector
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For cylinders 9-10
Brand:
ES#:
286378
Mfg#:
07L906262G
Ships in 9 Business Days
13% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$683.99
This product was last offered at the strikethrough price on 08-31-2026
Keep your engine running efficiently
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
Located before catalytic converter, restore mileage and clear codes
5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat!
For vehicles with 6 pin black connector
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Cylinders 1-4
Direct OE-quality replacement heated oxygen sensor to restore proper engine management, cure stubborn Check Engine Lights, and ensure your vehicle passes its next emissions test.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Fits the left and right position
Lifetime Replacement
