Choosing an A/C compressor with clutch starts with one question: which vehicle is going under the hood? A compressor meant for a 2002-2009 Chevrolet Trailblazer 4.2L won't serve a 2011-2014 Hyundai Sonata, and a unit built for that Sonata won't bolt onto the GM 4.2L SUVs. This head-to-head puts two new compressors side by side so you can match the part to the engine bay.
Quick verdict: If your project is a 2002-2009 Chevrolet Trailblazer 4.2L or a related GM 4.2L SUV like the Envoy or Rainier, the CO 4910AC-style unit is the one to consider. If you're working on a 2011-2014 Hyundai Sonata 2.0L/2.4L or a 2011 Kia Optima 2.0L/2.4L, the TEMBOR compressor is the one with those applications. Fitment is the deciding factor.
Comparison at a glance
| Product | Listed price | Key details |
|---|---|---|
| For 2002-2009 Chevrolet Trailblazer 4.2L AC A/C Compressor with Clutch CO 4910AC | USD 71.50 | New; Silver; 3.875-inch 6-groove clutch; direct replacement; fitment covers Trailblazer, Envoy, Rainier, Ascender, Bravada, 9-7X |
| AC Compressor & Clutch Fits 2011-2014 Hyundai Sonata 2.0L/2.4L Kia Optima 2011 | USD 100.99 | TEMBOR; VS16; New; 12V; direct replacement for CO 11218C; fitment for Sonata and Optima |
Where each product fits best
- GM 4.2L owners: The Trailblazer product is the only one with Chevrolet Trailblazer fitment, and its description includes the names of the full GM 4.2L group that shares this application. Interchange numbers such as 1521731, 1521916, and CS10054 add useful matching points.
- Hyundai/Kia owners: The TEMBOR unit is the only one with Hyundai Sonata and Kia Optima fitment, so it's the relevant candidate for that generation.
For 2002-2009 Chevrolet Trailblazer 4.2L AC A/C Compressor with Clutch CO 4910AC
This is the lower-priced product at USD 71.50, and its best argument is the GM 4.2L application list. The product covers Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Buick Rainier, Oldsmobile Bravada, Isuzu Ascender, and Saab 9-7X with the 4.2L six-cylinder. It's a new unit with a 3.875-inch clutch with 6 grooves and interchange numbers including 1521731/1521916 and CS10054. The catch: this compressor is tied to those GM 4.2L applications, so it won't help with a Sonata or Optima. If your vehicle isn't in that GM group, this product isn't the match.
AC Compressor & Clutch Fits 2011-2014 Hyundai Sonata 2.0L/2.4L Kia Optima 2011
This TEMBOR unit carries a $100.99 listed price, but the fitment is what makes it the right product for Sonata and Optima owners. It's shown as a VS16 compressor rated for 12V, and it maps to OE part CO 11218C as a direct replacement. The kit is described as painted and packaged as an A/C compressor with clutch. The limitation is the fitment scope: the product specifies 2011-2014 Hyundai Sonata 2.0L/2.4L and 2011 Kia Optima 2.0L/2.4L, so it isn't a replacement for the GM 4.2L SUVs covered by the other compressor. For a Trailblazer or Envoy, this unit won't match.
Final choice by use case
- GM 4.2L SUV repair: Choose the Trailblazer compressor when the vehicle is a GM 4.2L SUV such as a Trailblazer, Envoy, or Rainier with the 4.2L six-cylinder.
- Sonata or Optima repair: Choose the TEMBOR compressor when the vehicle is a 2011-2014 Hyundai Sonata 2.0L/2.4L or a 2011 Kia Optima 2.0L/2.4L.
- Anything else: Match the model-year fitment and part numbers in each product description before buying.
