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OE Quality
60-Day Returns
DensoPart #: 234-3123
Denso 234-3123 Oxygen Sensor - Downstream
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: INFINITI and Nissan, 200SX, Altima, G20, I30, Maxima, and Sentra
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Oxygen Sensor options
Denso 234-3123 Oxygen Sensor - Downstream
| Brand | Denso |
|---|---|
| Part Number | 234-3123 |
| Position | OE Style, Downstream |
| Wiring Harness Length | 18.90 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 3 |
| Connector Gender | Male |
| Thread Diameter | 0.472 |
| Mounting Type | Threaded |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | Nissan | 200SX | Downstream | OE Style |
| 1996 | INFINITI | G20 | Downstream | OE Style |
| 1996 | INFINITI | I30 | Downstream | To 07/96; OE Style |
| 1996 | Nissan | 200SX | Downstream | OE Style |
| 1996 | Nissan | 200SX | Downstream | Excluding California.; OE Style |
| 1996 | Nissan | Altima | Downstream | To 02/96; Exc. Calif.; OE Style |
| 1996 | Nissan | Maxima | Downstream | To 06/96; OE Style |
| 1996 | Nissan | Sentra | Downstream | Japan Built; Exc. Calif.; To 05/96; OE Style |
| 1995 | INFINITI | G20 | Downstream | OE Style |
| 1995 | Nissan | 200SX | Downstream | OE Style |
| 1995 | Nissan | 200SX | Downstream | Excluding California.; OE Style |
| 1995 | Nissan | Altima | Downstream | OE Style |
| 1995 | Nissan | Maxima | Downstream | OE Style |
| 1995 | Nissan | Sentra | Downstream | Mexico Built; OE Style |
| 1995 | Nissan | Sentra | Downstream | Japan Built; Exc. Calif.; OE Style |
| 1994 | INFINITI | G20 | Downstream | OE Style |
| 1994 | Nissan | Altima | Downstream | OE Style |
| 1993 | Nissan | Altima | Downstream | OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
213-1303213-1305
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.