Which one fits my 2010 TSX with the 2.4L engine?

Product B explicitly lists the 2.4L K24Z2 and the CU2 sedan chassis, so it is the safer match on paper. Product A covers 2009–2014 TSX generally, so confirm your VIN or OEM number 72250TL0003 before ordering.

Which regulator is built better?

Product B states a hardened steel gear and an included circuit breaker. Product A does not state either, so on the listed specs Product B is the more detailed build.

Do both fit the Technology Package and Special Edition?

Product B lists both submodels. Product A only says 2009–2014 TSX, so check the OEM number against your car if you have one of those trims.

Is one worth extra money?

No prices are given for either, so there is no premium to judge yet. Compare store prices for both, then weigh Product B's fitment detail and circuit breaker against Product A's OEM number.

Will either need wiring or bracket changes?

Product B says it installs with no modifications. Product A says it is manufactured to OEM specs for a perfect fit, but it does not promise a no-modification install.

Acura TSX Front Driver Side Window Regulator & Motor Assembly vs Driver Side Power Window Regulator Assembly for Acura TSX (2009–2014)

Both parts are front driver-side power window regulator and motor assemblies for the 2009–2014 Acura TSX, and both are listed as new and built to OEM specs. Product B is the more specific listing: it names the submodels, chassis code CU2, and both engine options, and it calls out a hardened steel gear and an included circuit breaker. Product A is the more generic listing and carries the OEM number 72250TL0003 plus a parts-link number, which helps cross-check fitment. Neither listing includes a price, so compare store prices before you buy.

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