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๐ฅ Upgrade your ride with Bosch precision โ because every mile counts!
The BOSCH 15638 Premium OE Fitment Oxygen Sensor is a direct-fit replacement designed for select Subaru Impreza, Legacy, and Outback models (1999-2001). Featuring a fast-acting heater and a durable stainless steel body, it ensures rapid sensor activation and long-lasting performance. Factory-tested to meet Boschโs rigorous quality standards, this sensor optimizes engine efficiency, reduces emissions, and simplifies installation with OE connectors and anti-seize coated threads.








| ASIN | B000BZG8VE |
| Best Sellers Rank | #3,652,599 in Automotive ( See Top 100 in Automotive ) #19,481 in Automotive Replacement Oxygen Sensors |
| Brand | Bosch |
| Brand Name | Bosch |
| Customer Reviews | 4.5 out of 5 stars 9 Reviews |
| Global Trade Identification Number | 00028851156387 |
| Included Components | Oxygen Sensor |
| Item Dimensions | 2.21 x 1.97 x 5.83 inches |
| Item Type Name | Oxygen Sensor |
| Item Weight | 0.25 Pounds |
| Item dimensions L x W x H | 2.21 x 1.97 x 5.83 inches |
| Manufacturer | Bosch |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | Bosch_15638 |
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Part Number | 15638 |
| Specific Uses For Product | Oxygen Sensor |
| Style | Oxygen Sensor |
| Style Name | Oxygen Sensor |
| UPC | 028851156387 |
F**A
Still Working
Was proactive on replacing this part, gas mileage improved, 30 up to 40 miles per gallon, 2.2L 99 Outback Sport Wagon, Impreza, normally aspirated. Speeds up to 80 mph, altitudes up to 10,000 feet. Would do business again with this vendor. Price more than competitive. Delivered to front door.
S**S
Need a split socket
Plug together to use
J**Y
NOT an exact fit as advertised
The sensor itself fits of course, but the connector doesn't fit even with modification. Had to splice in the old connector which was extremely tedious and voids the entire reason for purchasing an EXACT FIT sensor.
A**R
fits good mechanic had no problem putting this on
Item works like it is supposed too, thank you!!!
Trustpilot
5 days ago
2 days ago