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4Pcs Oxygen Sensor Set for Chevy Silverado & GMC Sierra 1500/2500 (2003-2006) 234-4669+234-4407
$65.95
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Signs It's Time to Replace Your O2 Sensor:
- Stubborn Check Engine Light or failing smog/emissions tests.
- Rough idling, engine hesitation, and dropping gas mileage.
- Dealerships or AutoZone quoting you $400+ for a simple repair.
- Common Trouble Codes: P0420, P0171, P0134, P0138.
Why Choose Our Direct-Fit Sensors?
- 100% Direct OEM Fit: Exact wire length and connector. Clicks right in, no cutting or splicing required.
- Instant Fix: Proven to immediately clear dashboard codes and restore smooth engine response.
- Massive Savings: Get dealer-quality performance at a fraction of the cost.
- Easy DIY: Save hundreds on labor with a quick 15-to-20 minute driveway install.
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2003-2006
|
Cadillac
|
Escalade
|
6.0L V8
|
|
2003-2006
|
Cadillac
|
Escalade EXT
|
6.0L V8
|
|
2003-2006
|
Chevrolet
|
Silverado 1500
|
6.0L V8
|
|
2002
|
Chevrolet
|
Silverado (2500, 2500 HD, 3500)
|
6.0L V8
|
|
2006
|
Chevrolet
|
Suburban 1500
|
6.0L V8
|
|
2002
|
Chevrolet
|
Suburban 2500
|
6.0L V8
|
|
2002
|
GMC
|
Sierra (1500, 1500 HD, 2500, 2500 HD, 3500)
|
6.0L V8
|
|
2003-2006
|
GMC
|
Yukon
|
6.0L V8
|
|
2003-2006
|
Hummer
|
H2
|
6.0L V8
|
Product Specifications
Warranty & Support: 2-Year Warranty (Pre-sale Load Test + 24/7 Technical Support)
|
Item
|
Specification
|
|---|---|
|
【Upstream Sensor (Left/Right)】
|
|
|
Core Part Number
|
234-4669
Interchange: 2344669, 12572705, 12600893, 12611870, 12617332, 213-1161, 2131161, 15282, OS1820, 21549, ES20008, 19107300, 213-3824, 2133824 |
|
Position
|
Upstream Left or Right, Pre-Catalytic Converter
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor (4-Wire)
- Wire Harness Length: 375 mm (14.76 in) - Connector Gender: Female - Thread Size: M18×1.5 (0.708 in / 17.98mm) |
|
---
|
|
|
【Downstream Right Sensor】
|
|
|
Core Part Number
|
234-4407
Interchange: 2344407, 253-33812, 25333812, 5S4280, 21514, 213-1148, 2131148, SG827, SU1478, 13178, 15895, OS1581, 2132874 |
|
Position
|
Downstream Right, Post-Catalytic Converter
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor (4-Wire)
- Wire Harness Length: 420 mm (16.54 in) - Connector Gender: Female - Thread Size: M18×1.5 (0.708 in / 17.98mm) |
Package Content :
4PCS (2*234-4669 Upstream+2*234-4407 Downstream) Oxygen Sensor
A Guide for Users Without Repair Experience
1. When your vehicle malfunctions, use a CBD to scan and identify the fault codes (if you're unsure how to scan or interpret the codes, visit our blog for guidance).
2. Identify the faulty component based on the diagnostic code and remove it.
3. Select your vehicle's year, model, and brand directly from the search panel below, or search by the part number on the component to verify compatibility.
4. After selecting, click “Search.” A green result confirms the part is compatible. If unsure, click the result below to view deta
Please check the fitment notes for Oxygen sensor installation location information！！！
Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front
Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front
sensor 1=Upstream sensor 2=Downstream
Why Choose Automotive-Leader Product?
Fast Response & Speed & Stable Performance & Longer Service Life
High-quality materials used, enhance durability performance
100% Rigorous Tested Before On Sale & Shipment
Meet The Professional Specification As OEM Standard