- Protection tube ensures 100% accurate sensor performance
- Double laser-welded stainless steel body is totally submersible to seal tight and protect against contamination for long life
- Fast-acting heater optimizes sensor operation (on3- and 4- wire sensors only)
- Coated threads for easy installation
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Product Details
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Product Specifications
| Product Information | |
| Brand: | Bosch |
| Manufacturer Part Number: | 13477 |
| OEM Part Number: | 11781433075, 11781742050 |
| Sizing and Specifications | |
| Item Weight: | 4 Ounces |
| Height: | 2 inches |
| Length: | 5 inches |
| Width: | 4 inches |
Product Description
Bosch Premium Thimble Type Sensors utilize an electrical heating element inside the thimble-shaped end to bring the sensor up to operating temperature in less than a minute. The patented thimble ceramic element featuring the Bosch patented Platinum Power Grid and the patented Bosch Double Layer Protection System optimize sensing, peak performance, and maximum service life.
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Most Helpful Customer Reviews
2 of 2 people found the following review helpful:
5.0 out of 5 stars
excellent deal,
Amazon Verified Purchase(What's this?)
This review is from: Bosch 13477 Oxygen Sensor, OE Type Fitment (Misc.)
I just received these oxygen sensors and these appear to be the OEM replacement part. These were about $25 cheaper than anyone else, they came in 2 days and I just installed them this morning in a 2000 BMW E46 323ci and noticed a big difference in MPG and the car seemed a little quicker as well. My car has 126,000 and was overdue for these - the original sensors were definitely worn. These are the pre-cat sensors by the way - E46's need post-cats as well
1 of 1 people found the following review helpful:
5.0 out of 5 stars
Well fit but still somehow different,
By
Amazon Verified Purchase(What's this?)
This review is from: Bosch 13477 Oxygen Sensor, OE Type Fitment (Misc.)
The price and shipping are great. I found the shell of this is thinner than the old BMW piece. So you have use different socket to remove it. Of cause, you can borrow socket kit from Autozon. The front of the two pre-cat O2 sensors is little hard to remove, WD-40 will help. The new sensor is pre-coated with anti-seize compound which is also nice. 30 minute job if you do smoothly, just beware any parts falling under engine. Just installed, difference on gas consumption is not known. Acceleration is little better.
1 of 1 people found the following review helpful:
5.0 out of 5 stars
oxygen sensor,
By Stewart J Slykhous (Mission Viejo, CA, US) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: Bosch 13477 Oxygen Sensor, OE Type Fitment (Misc.)
order replacement oxygen for my BMW. The Bosch units are on and my gas mileage has improved about 5%. All is well.
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