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Car Oxygen Sensor 12597990/12590749/12606671/12609456 For Buick / Cadillac / Chevrolet
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Car Oxygen Sensor 12597990/12590749/12606671/12609456 For Buick / Cadillac / Chevrolet
| Place of Origin | China |
| Brand Name | RMOS |
| Model Number | 12597990/12590749/12606671/12609456 |
Product Details
Technical Information:
Sensor Type: O2
OE Number:
12597990/12590749/12606671/12609456
Model:
Buick / Cadillac / Chevrolet
Thread Diameter:
M18 × 1.5
Light-Off Time:
≤ 15 Seconds
Connector Type:
Direct-Fit
Cable Length:
Approx. 755 Mm
Tested:
100% Tested
Quality:
OE Quality
Highlight:
Buick car oxygen sensor
,Cadillac auto oxygen sensor with warranty
,Chevrolet O2 sensor 12597990
Payment & Shipping Terms
Minimum Order Quantity
50
Price
To Be Negotiated
Packaging Details
Foam Bag + Paper box
Delivery Time
1-4weeks
Payment Terms
T/T
Supply Ability
20000pcs/Month
Product Description
GM Original Equipment Oxygen Sensors
These Lambda Sensors are Original Equipment (OE) components manufactured for the General Motors (GM) group, including Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saturn, Saab, Isuzu, and Opel vehicles.
Important Note: These four OE numbers represent different sensors with different cable lengths, connector configurations, and fitting positions, though they are closely related and often grouped together in parts catalogues. Always verify your original sensor's part number, connector shape, cable length, and position before ordering.
Product Specifications
12597990 – Heated Oxygen Sensor
| Specification | Details |
|---|---|
| OE Part Number | 12597990 |
| Brand / Manufacturer | GENERAL MOTORS, BUICK, CADILLAC, CHEVROLET, GMC, OPEL |
| Product Type | Lambda Sensor (Oxygen / O₂ Sensor) |
| Sensor Type | Heated, 4-Wire |
| Connector Gender | Male / Female (varies by manufacturer) |
| Connector Shape | Square |
| Wire Harness Length | 378 mm (14.88″) / 358 mm (14.09″) |
| Overall Length | 431.5 mm (16.98″) / 341.3 mm (13.44″) |
| Thread Diameter | 18 mm (M18 × 1.5) |
| Mounting Type | Threaded / POSN 1 |
| Fitting Position | Upstream (Front) |
| Programming Required | Yes |
| Quality Standard | GM Genuine OE |
This is a 4-wire heated oxygen sensor manufactured to General Motors' original equipment standards. The sensor is used in the upstream (pre-catalyst / front) position on most applications. As a direct-fit component, it features a vehicle-specific electrical connector (square, 4-pin) and pre-terminated wiring.
12590749 – Heated Oxygen Sensor
| Specification | Details |
|---|---|
| OE Part Number | 12590749 |
| Brand / Manufacturer | GENERAL MOTORS, BUICK, CHEVROLET, GMC, OPEL, SAAB |
| Product Type | Lambda Sensor (Oxygen / O₂ Sensor) |
| Sensor Type | Heated, 4-Wire |
| Connector Gender | Male |
| Connector Shape | Square |
| Wire Harness Length | 378 mm (14.88″) / 210 mm (8.27″) |
| Overall Length | 431.5 mm (16.98″) / 350 mm (13.78″) |
| Thread Diameter | 18 mm (M18 × 1.5) |
| Mounting Type | Threaded / POSN 2 |
| Fitting Position | Upstream or Downstream |
| Programming Required | Yes |
| Quality Standard | GM Genuine OE |
This is a 4-wire heated oxygen sensor manufactured to General Motors' original equipment standards. The sensor can be used in either upstream or downstream positions depending on the specific vehicle application. Some aftermarket equivalents list a cable length of 210 mm with a finger probe design and pre-greased threads.
12606671 – Heated Oxygen Sensor
| Specification | Details |
|---|---|
| OE Part Number | 12606671 |
| Brand / Manufacturer | GENERAL MOTORS, CHEVROLET, GMC, PONTIAC, SATURN, OPEL, DAEWOO |
| Product Type | Lambda Sensor (Oxygen / O₂ Sensor) |
| Sensor Type | Heated, 4-Wire |
| Sensor Design | Finger Probe |
| Number of Circuits / Poles | 4 |
| Cable Length | 210 - 340 mm (varies by manufacturer) |
| Overall Length | 350 - 580 mm (varies by manufacturer) |
| Thread Size | M18 × 1.5 |
| Thread Treatment | Factory Pre-Greased |
| Fitting Position | Upstream (Bank 1 Sensor 1) |
| Quality Standard | GM Genuine OE |
This is a 4-wire heated oxygen sensor (finger probe design) manufactured to General Motors' original equipment standards. The sensor is used in the upstream (pre-catalyst / Bank 1 Sensor 1) position on most applications. The threads are factory pre-greased with anti-seize compound for quick and easy installation. Direct-fit component featuring a vehicle-specific electrical connector and pre-terminated wiring.
12609456 – Heated Oxygen Sensor
| Specification | Details |
|---|---|
| OE Part Number | 12609456 |
| Brand / Manufacturer | GENERAL MOTORS, CHEVROLET, GMC, HUMMER, OPEL |
| Product Type | Lambda Sensor (Oxygen / O₂ Sensor) |
| Sensor Type | Heated, 4-Wire |
| Connector Gender | Male |
| Connector Shape | Square |
| Wire Harness Length | 330 mm (12.99″) |
| Overall Length | 414.6 mm (16.32″) |
| Thread Diameter | 18 mm (M18 × 1.5) |
| Wire Gauge | 20 GA |
| Mounting Type | Threaded / Position 3 |
| Fitting Position | Downstream (Rear) |
| Programming Required | Yes |
| Quality Standard | GM Genuine OE |
This is a 4-wire heated oxygen sensor manufactured to General Motors' original equipment standards. The sensor is used in the downstream (post-catalyst / rear) position on most applications. The sensor is installed in Position 3 (Left Rear / Right Rear). As a direct-fit component, it features a vehicle-specific electrical connector (square, 4-pin) and pre-terminated wiring.
Cross-Reference & Interchange Numbers
The following OE and interchange numbers are directly compatible with these sensors. Always verify physical fitment (connector shape, cable length and thread size) with your original part before purchasing.
| Type | Part Number(s) |
|---|---|
| Primary OE Numbers | 12597990, 12590749, 12606671, 12609456 |
| Related GM OE Numbers | 12604913, 8125907490, 8126049130, 12590749, 12606671, 12609456, 8-12590-749-0, 8-12604-913-0 |
| BUICK | 12590749, 12597990 |
| CADILLAC | 12597990 |
| CHEVROLET | 12590749, 12597990, 12606671, 12609456 |
| GMC | 12590749, 12597990, 12604913, 12606671, 12609456, 8125907490 |
| HUMMER | 12609456 |
| ISUZU | 8125907490, 8126049130, 8-12604-913-0 |
| OPEL | 12590749, 12597990, 12606671, 12609456, 012590749, 012597990, 012604913, 012606671, 012609456 |
| PONTIAC | 12606671 |
| SAAB | 12590749, 12604913 |
| SATURN | 12606671 |
| VAUXHALL | 12590749 |
| Aftermarket Interchange | Aisin OXSAZ-00264 |
| Aftermarket Interchange | Meat & Doria 81828 |
| Aftermarket Interchange | VEMO V99-76-0001 |
| Aftermarket Interchange | DENSO 234-4339 (for 12597990/12590749) |
| Aftermarket Interchange | ACDelco 213-3536 (for 12590749) |
| Aftermarket Interchange | ACDelco 213-3545 (for 12597990) |
| Aftermarket Interchange | ACDelco 213-4537 (for 12606671) |
| Aftermarket Interchange | ACDelco 213-4228 (for 12609456) |
| Aftermarket Interchange | ES20000 (for 12597990/12590749) |
| Aftermarket Interchange | Standard Ignition SG1628 (for 12597990/12590749) |
| Aftermarket Interchange | Walker Products 250-24704 (for 12597990/12590749) |
| Aftermarket Interchange | NTK 21558 (for 12597990/12590749) |
Compatible Vehicle Applications
These Lambda Sensors are original equipment components used across a wide range of General Motors (GM) group vehicles, including Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saturn, Saab, and Isuzu.
Important Position Note: These sensors are used in different positions depending on the specific vehicle and engine application. 12597990 and 12606671 are typically used in the upstream (pre-catalyst / front) position, 12590749 can be used in both upstream and downstream positions, and 12609456 is primarily a downstream (post-catalyst / rear) sensor. Always verify the position of your original sensor before ordering.
Buick Applications
| Model | Year Range | Engine / Notes |
|---|---|---|
| Lucerne | 2006 - 2011 | 4.6L V8. Upstream position |
| Rainier | 2006 - 2007 | 4.2L L6, 5.3L V8. Upstream position |
Cadillac Applications
| Model | Year Range | Engine / Notes |
|---|---|---|
| DTS | 2006 - 2011 | 4.6L V8. Upstream position |
| Escalade | 1999 - 2000 | Various petrol engines |
Chevrolet Applications
| Model | Year Range | Engine / Notes |
|---|---|---|
| Trailblazer | 2006 - 2009 | 4.2L L6, 5.3L V8, 6.0L V8. Upstream position |
| Trailblazer EXT | 2006 | 5.3L V8. Upstream position |
| SSR | 2006 | 6.0L V8. Upstream position |
| Silverado 1500 | 2008 - 2013 | 4.3L V6. Downstream position |
| Captiva Sport | 2012 - 2015 | 2.4L L4. Upstream position |
| Equinox | 2007 - 2017 | 2.4L L4. Upstream position |
| Malibu | 2008 - 2012 | 2.4L L4. Upstream position |
| HHR | 2007 - 2011 | 2.4L L4. Upstream position |
| Orlando | 2012 - 2014 | 2.4L L4. Upstream position |
GMC Applications
| Model | Year Range | Engine / Notes |
|---|---|---|
| Envoy | 2006 - 2009 | 4.2L L6, 5.3L V8. Upstream position |
| Envoy XL | 2006 | 5.3L V8. Upstream position |
| Sierra 1500 | 2008 - 2013 | 4.3L V6. Downstream position |
| Terrain | 2010 - 2017 | 2.4L L4. Upstream position |
Other Vehicle Applications
| Brand | Model | Year Range | Engine / Notes |
|---|---|---|---|
| Hummer | H2 | 2008 - 2009 | 6.2L V8. Downstream position |
| Pontiac | G6 | 2005 - 2010 | 2.4L L4. Upstream position |
| Pontiac | Solstice | 2006 - 2009 | 2.4L L4. Upstream position |
| Saturn | Aura | 2007 - 2009 | 2.4L L4. Upstream position |
| Saturn | Sky | 2007 - 2009 | 2.4L L4. Upstream position |
| Saturn | Vue | 2008 - 2010 | 2.4L L4. Upstream position |
| Saab | 9-7x | 2006 - 2009 | 5.3L V8. Upstream position |
| Isuzu | Ascender | 2006 - 2008 | 4.2L L6, 5.3L V8. Upstream position |
Fitment Verification: The vehicle fitment information above is a guide only. Always confirm compatibility using your vehicle's VIN or by physically inspecting your old sensor's position, connector shape, and cable length before ordering. Not compatible with diesel engines.
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