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OE Quality
60-Day Returns
BoschPart #: 18204
Bosch 18204 Oxygen Sensor - Upstream
29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$247.17Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*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 Quality Oxygen Sensor, Upstream
Fitment: Acura and Honda, Accord, Civic, CR-V, RDX, and TLX
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
Bosch 18204 Oxygen Sensor - Upstream
| Brand | Bosch |
|---|---|
| Part Number | 18204 |
| Position | OE Quality Oxygen Sensor, Upstream |
| Heated | Yes |
| Wiring Harness Length | 11.4 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Grade Type | Standard replacement |
| Connector Shape | Square |
| Connector Gender | Male |
| Terminal Gender | Male |
| Mounting Bracket Included | No |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.220462 lb |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 13.8 in |
| Mounting Type | Threaded |
| Overall Length | 15.0 in |
| Oxygen Sensor Type | Wide band |
| Sensor Type | Wide-band |
| Terminal Quantity | 6 |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2025 | Acura | RDX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2025 | Acura | TLX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2024 | Acura | RDX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2024 | Acura | TLX | Base | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | |
| 2023 | Acura | RDX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2023 | Acura | TLX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2022 | Acura | RDX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2022 | Acura | TLX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2022 | Honda | Accord | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2022 | Honda | CR-V | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2021 | Acura | RDX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2021 | Acura | TLX | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2021 | Honda | Accord | 2.0L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2021 | Honda | Civic | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2021 | Honda | CR-V | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2020 | Acura | RDX | FWD | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor | |
| 2020 | Honda | Accord | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor | ||
| 2020 | Honda | Civic | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2020 | Honda | CR-V | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2019 | Acura | RDX | FWD | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor | |
| 2019 | Honda | Accord | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor | ||
| 2019 | Honda | Civic | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2019 | Honda | CR-V | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2018 | Honda | Accord | 2.0L | L4 | Upstream | Bosch Validated Oxygen Sensor | ||
| 2018 | Honda | Civic | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2018 | Honda | CR-V | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2017 | Honda | Civic | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2017 | Honda | CR-V | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor | ||
| 2016 | Honda | Civic | 1.5L | L4 | Upstream | OE Quality Oxygen Sensor |
* 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:
365315K8004365316B2A01
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.