---
product_id: 486007424
title: "Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan"
brand: "bapmic"
price: "25 Lei"
currency: RON
in_stock: true
reviews_count: 5
url: https://www.desertcart.ro/products/486007424-bapmic-12578459-upstream-and-downstream-o2-oxygen-sensor-for-1996
store_origin: RO
region: Romania
---

# 12V max supply voltage Improves fuel efficiency & emissions Direct OEM fit replacement Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan

**Brand:** bapmic
**Price:** 25 Lei
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade your ride’s breath of fresh air—because your engine deserves the best!

## Quick Answers

- **What is this?** Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan by bapmic
- **How much does it cost?** 25 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/486007424-bapmic-12578459-upstream-and-downstream-o2-oxygen-sensor-for-1996)

## Best For

- bapmic enthusiasts

## Why This Product

- Trusted bapmic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Boost Your MPG:** Optimizes oxygen sensing to enhance fuel economy and reduce emissions
- • **Confidence in Quality:** Backed by a 12-month warranty and trusted by hundreds of satisfied drivers
- • **Wide Vehicle Coverage:** Compatible with 1996-2004 Chevrolet, GMC, Cadillac, Buick, Pontiac & more
- • **Plug & Play Installation:** Flange mount design ensures a direct fit—no modifications needed
- • **Seamless OEM Compatibility:** Perfectly matches original part numbers for hassle-free installation

## Overview

The Bapmic 12578459 Oxygen Sensor is a high-quality aftermarket replacement designed for a broad range of 1996-2004 GM vehicles. It delivers precise oxygen level readings to optimize engine performance, improve fuel efficiency, and reduce emissions. Engineered for direct OEM fitment with a reliable flange mount, this sensor comes with a 12-month warranty, ensuring durability and peace of mind for professional drivers and car enthusiasts alike.

## Description

Bapmic is a Brand of Aftermarket Replacement Auto Parts. As a Distributor and Service Provider of Auto Parts, the Wide Products Range from Chassis & Suspension, Engine Components, Auto Transmission Parts and Electric Parts. Bapmic Will Make Continuous Efforts to Provide High Quality Products and Services to Our Customers.Specification: This is Not Genuine Auto Part . This is Aftermarket Part Manufactured by Bapmic, Exceeds the Original Design, and Carries a 12 Month WarrantyPlease Use the VIN to Obtain the Original Part (OE) No. to Make Sure This is The Right Part for Your Vehicle. OE Number Provided in This Listing is 100% CorrectIf in Doubt, Please Send Us Your VIN, We Will Check it for You. Plz Make Sure Parts Purchased Here are the RIGHT PartsPackage Included: 1 Oxygen Sensor Kit

Review: 👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼
Review: These sensors were a direct fit, my gas mileage went up, and my check engine light turned off. Definitely worth the money.

## Features

- For Buick Century Lacrosse Rainier Regal; For Cadillac CTS Deville Eldorado Escalade Seville SRX STS
- For Chevrolet Avalanche Camaro Colorado Impala Tahoe Trailblazer Silverado Suburban Express 1500 2500 3500
- For GMC Canyon Envoy Savana 1500 2500 3500 Sierra Yukon; For Oldsmobile LSS Bravada; For Pontiac Firebird Grand Prix Montana Aztek
- Perfect Match for the Original Car.Please verify Fitment or Application
- Replacement OEM ( Original Equipment Part) Number: 12578459, 12587214, 19178921, 19178924. Other Part Number: 2344087, 234-4087, 25024340, 250-24340, ES20002, 2131681

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07S2BQZFR |
| Brand | Bapmic |
| Customer Reviews | 4.1 4.1 out of 5 stars (261) |
| Date First Available | 11 January 2020 |
| Item Weight | 249 g |
| Item model number | 234-4337 |
| Manufacturer | Bapmic |
| Manufacturer Part Number | A0006A0065 |
| Maximum Supply Voltage | 12 Volts (DC) |
| Mounting Type | Flange Mount |
| OEM Part Number | 12578459, 12587214, 19178921, 19178924, 2344087, 234-4087, 25024340, 250-24340, ES20002, 2131681 |
| Output Type | [NE] |
| Package Dimensions | 21.69 x 7.49 x 7.29 cm; 249 g |
| Specific Uses For Product | Automotive applications for specified vehicle models |
| Style | Oxygen Sensor |

## Product Details

- **Brand:** Bapmic
- **Item Weight:** 0.25 Kilograms
- **Maximum Supply Voltage:** 12 Volts (DC)
- **Mounting Type:** Flange Mount
- **Style:** Oxygen Sensor

## Images

![Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan - Image 1](https://m.media-amazon.com/images/I/41SI4FeJ7eL.jpg)
![Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan - Image 2](https://m.media-amazon.com/images/I/41gG5GPAZbL.jpg)
![Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan - Image 3](https://m.media-amazon.com/images/I/41geOAh3wbL.jpg)
![Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan - Image 4](https://m.media-amazon.com/images/I/41x05ZZPc8L.jpg)
![Bapmic 12578459 Upstream & Downstream O2 Oxygen Sensor for 1996-2004 Chevrolet GMC Cadillac Century Colorado Savan - Image 5](https://m.media-amazon.com/images/I/51-Mn3jR7tL.jpg)

## Questions & Answers

**Q: Your pictures show 2, a set.  so is this 1(one) or 2(two) sensor(s)?**
A: Mine came with both sensors.

**Q: Does  it fit bank 2 sensor 1 in Toyota tundra 2004?**
A: I don't have a Tundra but they were a perfect fit . I have 2 cars a 2004 Chevy Malibu & 2013 Buick Encore. B in lqoth are running

**Q: Is this for rear or front for a 2005 Cadillac sts 4.6 v8**
A: I believe they are universal for the front and rear. Easy way to check is to see if the connector plug is the same. I hope this helps you out.

**Q: Your pictures show 2, a set.  so is this 1(one) or 2(two) sensor(s)?**
A: 2 sensors

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***D on 16 December 2025*

👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼👍🏼

### ⭐⭐⭐⭐⭐ Review
*by T***S on 17 August 2023*

These sensors were a direct fit, my gas mileage went up, and my check engine light turned off. Definitely worth the money.

### ⭐⭐⭐⭐⭐ Review
*by K***S on 24 November 2024*

Worked Great on my LS Swap

## Frequently Bought Together

- Bapmic Oxygen 02 O2 Sensor Downstream 234-4337 13444 12578459 Compatible with 1996-2004 Chevrolet GMC Cadillac ASG277
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- PQY 36" Braided Throttle Cable Kit Compatible with 97-07 Chevrolet/Chevy LS1 Engine 4.8L 5.3L 5.7L 6.0L

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-29*