How to replace the Tail Light on 2003 Cadillac CTS?

To change the tail lamp, start from opening the rear compartment and the removal of the rear compartment sill plate. Next, open the rear compartment trim panel and disconnect the tail lamp connector from the body main harness connector. Unfasten the fasteners holding the tail lamp to the body, then pull on the tail lamp assembly so that the clips (1 and 2) securing them get released. Pull the tail lamp harness to loosen tail lamp harness grommet from the body and remove tail lampassembly from the vehicle. For installation, attach the tail lamp to the body and attach the tail lamp harness. Make sure the tail lamp harness grommet is seated onto the body, then, install the tail lamp locators until the tail lamp retainers (1 and 2) are fully seated. Secure the tail lamp to the body with the fasteners, tightening them to 6 n.m (53 lb in). Connect the tail lamp harness connector to the body main harness connector, reposition the rear compartment trim panel, install the rear compartment sill plate, and lastly close the rear compartment.

OEM 2003 Cadillac CTS Tail Light

Tail Lamp

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3 Tail Lights found

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2003 Cadillac CTS Tail Lamp Assembly, Driver Side
Part Number: 25746425
$230.95 MSRP: $345.29
You Save: $114.34 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Lamp, Tail Lamp; Back Up Light; Tail Light
- Position: Driver Side
- Replaces: 25745051, 25742683
- Item Weight: 3.90 Pounds
- Item Dimensions: 17.1 x 15.7 x 8.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25746425
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport, V | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS
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2003 Cadillac CTS Combination Lamp Assy
Part Number: 19208231
$520.96 MSRP: $782.37
You Save: $261.41 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Lamp, Back Up Lamp; Back Up Light; Tail Light; Lamp, Rear License Lamp; Lamp, Tail Lamp
- Replaces: 10360903, 10360906, 10360907, 10360908, 10383591, 10360912, 10360911, 19120448, 19120432, 19120712, 19120450, 25763598, 25763603, 25763597, 25763601, 25763600, 89025074, 89025087, 89025088, 89025104, 89025112, 89025073, 89025108, 89025109, 89025103, 89025107, 10360913, 89025105, 19120451, 19120711, 19120455, 19120433, 19120445, 19120449, 19120446, 19120434, 19120447, 19120452, 19120453, 25763599, 25763596, 89025089, 19120457, 89025102, 89025114, 89025075, 89025110, 19120710
- Item Weight: 6.20 Pounds
- Item Dimensions: 38.2 x 17.4 x 12.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19208231
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport, V | 6 Cyl 2.8 L GAS, 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
View related parts
2003 Cadillac CTS Tail Lamp Assembly, Passenger Side
Part Number: 25746426
Product Specifications
- Other Name: Lamp, Tail Lamp; Back Up Light; Tail Light
- Position: Passenger Side
- Replaces: 25745050, 25742682
- Item Weight: 3.90 Pounds
- Item Dimensions: 17.1 x 15.6 x 8.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25746426
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac CTS Submodels:
- Base, Luxury, Luxury Sport, V | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS

2003 Cadillac CTS Tail Light

With a comprehensive array of OEM 2003 Cadillac CTS Tail Light, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Cadillac CTS Tail Light are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2003 Cadillac CTS Parts Questions & Experts Answers

Q: How to replace the Tail Light on 2003 Cadillac CTS?
A: To change the tail lamp, start from opening the rear compartment and the removal of the rear compartment sill plate. Next, open the rear compartment trim panel and disconnect the tail lamp connector from the body main harness connector. Unfasten the fasteners holding the tail lamp to the body, then pull on the tail lamp assembly so that the clips (1 and 2) securing them get released. Pull the tail lamp harness to loosen tail lamp harness grommet from the body and remove tail lampassembly from the vehicle. For installation, attach the tail lamp to the body and attach the tail lamp harness. Make sure the tail lamp harness grommet is seated onto the body, then, install the tail lamp locators until the tail lamp retainers (1 and 2) are fully seated. Secure the tail lamp to the body with the fasteners, tightening them to 6 n.m (53 lb in). Connect the tail lamp harness connector to the body main harness connector, reposition the rear compartment trim panel, install the rear compartment sill plate, and lastly close the rear compartment.