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Which year is your Chevrolet Trailblazer EXT ?
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2003
2004
A-Premium

2003-2004 Chevrolet Trailblazer EXT 1-Pc Oxygen Sensor 4-Pin A-Premium OS128

Part # OS128
Item # 1012R9WA
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$43.99
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Est. $10.9/mo with PayPal
Ships in 1 business day
3-year warranty
90 days free return

Specifications

Quantity
1
Installation Position
Check the fitment chart
Terminal Quantity
4
Brand
A-Premium
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Part interchange

Part numbers listed below indicate interchangeable parts. These parts share the same size, parameter, function and compatibility. However, please note that items from different brands may have minor variations.
125671270
8972873520
97287352
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Compatibility

YearMakeModelEngineLocationNote
2001 - 2005BuickCenturyV6 3.1LUpstream
2004 - 2004BuickRainierV8 5.3LUpstream
2002 - 2005BuickRendezvousV6 3.4LUpstream
2000 - 2004CadillacDevilleV8 4.6LUpstream
2000 - 2002CadillacEldoradoV8 4.6LUpstream
2002 - 2002CadillacEscaladeV8 5.3LUpstream or DownstreamCanada Built Vehicle
2000 - 2003CadillacSevilleV8 4.6LUpstream
2000 - 2002ChevroletAstroV6 4.3LDownstream
2002 - 2002ChevroletAvalanche 1500V8 5.3LUpstream or DownstreamCanada Built Vehicle
2002 - 2005ChevroletBlazerV6 4.3LUpstream or Downstream
2001 - 2005ChevroletImpalaV6 3.4LUpstream
2001 - 2003ChevroletMalibuV6 3.1LUpstream
2001 - 2005ChevroletMonte CarloV6 3.4LUpstream
2002 - 2004ChevroletS10V6 4.3LUpstream or Downstream
2002 - 2002ChevroletSilverado 1500V6 4.3LUpstream or DownstreamCanada Built Vehicle
2000 - 2002ChevroletSilverado 1500V8 4.8LUpstream or DownstreamCanada Built Vehicle
2000 - 2002ChevroletSilverado 1500V8 5.3LUpstream or DownstreamCanada Built Vehicle
2000 - 2000ChevroletSilverado 2500V8 5.3LUpstream or DownstreamCanada Built Vehicle
2003 - 2004ChevroletSSRV8 5.3LUpstream
2000 - 2002ChevroletSuburban 1500V8 5.3LUpstream or DownstreamCanada Built Vehicle

Highlights

Features

Shipping and warranty

  • Fast shipping

    The order will be dispatched within 1 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details.

  • Easy return

    Every order comes with a 90-day free return which means you don't have to pay for a return slip. Please click Return Policy for more details.

  • Warranty policy

    All parts are quality-tested to meet the top-tier aftermarket standards. Please click Warranty Policy for more details.

Why choose A-Premium.com

Free Return

Return your purchase within 90 days at no cost.

Free Shipping

Free standard shipping on all orders, no minimum required.

24/7 Service

Get assistance from live customer service team 24/7.

Guaranteed Fit

We guarantee that all parts will fit your vehicle perfectly.

Reviews

$43.99
PayPal
Est. $10.9/mo with PayPal
Ships in 1 business day
3-year warranty
90 days free return