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Black rectangular gauge cluster with digital speedometer display and minor abrasion marks on front casing

1 Factory Radio

1 Factory Radio 8405-4556 MPH Speedometer Gauge Cluster 2016 Cadillac XTS

SKU CH-4AAZ-3JTSV

Replacement MPH speedometer gauge cluster for the 2016 Cadillac XTS, part number 8405-4556, fully functional with minor cosmetic abrasions

  • TypeRadio
  • Weight6
  • MPH speedometer reads in miles per hour
  • Fits 2016 Cadillac XTS for direct replacement
  • Part number 8405-4556 matches factory specifications
  • Professionally remanufactured and 100% function tested
  • Dealer programming required after installation

Direct Replacement Cluster

This MPH speedometer instrument gauge cluster carries part number 8405-4556 and matches interchange number 257-08503 for the 2016 Cadillac XTS. It is a professionally remanufactured unit in 100% working order with minor abrasion marks on the front casing. Dealer programming is required after installation to activate the cluster in the vehicle. The compatible part number 23353658 is also referenced for cross-checking.

Upgrade From Failed Unit

This cluster replaces a failed or damaged original gauge panel in the 2016 Cadillac XTS when the part number matches exactly. The jump is worth it when the existing cluster shows dead pixels, stuck needles or complete loss of display and the part number on the old unit reads 8405-4556 or 23353658. Data-stream differences between similar-looking clusters mean visual similarity is not sufficient for compatibility. A mismatched unit will not code to the vehicle even if the plugs appear identical.

Verify Before Ordering

Confirm the part number on your current cluster is 8405-4556 or the compatible number 23353658 before purchasing. If you are unsure, provide your VIN to a dealer or specialist to obtain the correct part number. External amplifier configurations in some vehicles can prevent interchange even when connectors look the same. This unit is sold as a direct replacement only and requires dealer programming to function.

Highlights

  • MPH speedometer reads in miles per hour
  • Fits 2016 Cadillac XTS for direct replacement
  • Part number 8405-4556 matches factory specifications
  • Professionally remanufactured and 100% function tested
  • Dealer programming required after installation

Specifications

Brand1 Factory Radio
Model8405-4556
TypeRadio
Weight6

Questions about this item

Will the 8405-4556 cluster bolt directly into the 2016 Cadillac XTS dash?

Yes, it is built to fit the factory dashboard opening for the 2016 Cadillac XTS using the original mounting points.

What programming step is required after installing the 8405-4556 unit?

Dealer programming is required to match the vehicle VIN and option codes before the gauges will operate correctly.

What long-term reliability can I expect from this remanufactured 8405-4556 cluster?

It has been cleaned, serviced, and tested to 100% working order, so no scheduled service is needed beyond normal vehicle maintenance.

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