Is the upstream for 2003 chevy silverado 1500 5.3 the same part # as the downstream?

they are diffrent in design yes the 2 upstream are bank 1 sensor 1 & 2 downstream are bank 2 sensor 1 & 2

I've seen this described as a "male connector".. but isn't that a female? It looks like something goes IN the white part??

No this is consider a male connector.

Does it have the connector already on the wires?

Yes. The plug is already spliced in just like a factory unit. Completely plug and play install.

I have a 03 silverado. i wanna replace all 4 o2 sensors. guy at autozone said i need 3 of this part number and the center ones different?

My 05 5.3 Silverado called for all four of them to be this part number. I installed them and everything has worked perfectly since!

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BOSCH 15284 Premium OE Fitment Oxygen Sensor - Single

BOSCH 15284 Premium OE Fitment Oxygen Sensor - Single

Product ID: 4047778

Details

Brand
Bosch
Item Weight
2.4 ounces
Item dimensions L x W x H
2.2 x 1.97 x
Material
Stainless
Style
Oxygen Sensor

⚡2 sec fast response time

🔧True direct-fit OE connectors

🛡️Double laser-welded stainless steel body

€ 53.98

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Upgrade your ride with Bosch precision – because every second counts!

BUILT TO LAST - Double laser-welded stainless steel body ensures ultimate durability against exhaust damage.
DECADES OF INNOVATION - Leverage Bosch’s 60+ years pioneering oxygen sensor tech for unmatched reliability.
ECO ENGINE FRIENDLY - Maintains optimal air-fuel mix to reduce emissions and protect your engine’s longevity.
RAPID RESPONSE HEATER - Heats up in just 2 seconds to optimize engine performance instantly.
PLUG PLAY INSTALLATION - Pre-coated anti-seize threads and OE fitment make installation effortless and mess-free.

The BOSCH 15284 Premium OE Fitment Oxygen Sensor combines over 60 years of Bosch innovation with a fast-acting heater and rugged double laser-welded stainless steel construction. Factory-tested for quality and designed for direct-fit installation, it ensures quick sensor activation, long service life, and optimal engine efficiency while reducing harmful emissions.

Specifications

ASIN	B000CF3VVS
Best Sellers Rank	#28,199 in Automotive ( See Top 100 in Automotive ) #18 in Automotive Replacement Oxygen Sensors
Brand Name	Bosch
Customer Reviews	4.6 4.6 out of 5 stars (555)
Global Trade Identification Number	00028851152846
Included Components	Oxygen Sensor
Item Dimensions	2.2 x 1.97 x 5.83 inches
Item Type Name	Oxygen Sensor
Item Weight	2.4 ounces
Manufacturer	BOSCH
Material Type	Stainless Steel
Maximum Supply Voltage	5 volts
Measurement Accuracy	High Accuracy
Measuring Range	4.5 - 5.5 V
Model	F00HL00111
Mounting Type	Flange Mount
Number of Items	1
Output Type	NPN
Part Number	15284
Response Time	2 seconds
Specific Uses For Product	Temperature
Style Name	Oxygen Sensor
UPC	028851152846
Unit Count	1 Count

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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€ 53.98

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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