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2004 Cadillac DeVille
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Exhaust Manifolds, Pipes & Mufflers
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OEM (Genuine) 2004 Cadillac DeVille Shield-Oxygen Sensor Wiring Harness
PartNumber: 25910637
Product Specifications- Notes: Converter, Lower
- Other Names: Heat Shield
- Item Dimensions: 9.8 x 5.8 x 35.3 inches
- Item Weight: 0.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15218927, 25707727
- Part Description: 2004 Cadillac DeVille Shield-Oxygen Sensor Wiring Harness
Vehicle Fitment- 2004 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
OEM (Genuine) 2004 Cadillac DeVille Shield-Catalytic Converter & Exhaust Muffler Heat
PartNumber: 25729651
Product Specifications- Notes: Converter, Upper
- Other Names: Heat Shield, Shield
- Item Dimensions: 52.8 x 17.1 x 6.3 inches
- Item Weight: 1.90 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2004 Cadillac DeVille Shield-Catalytic Converter & Exhaust Muffler Heat
Vehicle Fitment- 2004 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
OEM (Genuine) 2004 Cadillac DeVille EGR Valve Upper Bracket
PartNumber: 12562773
Product Specifications- Notes: Federal Emissions; California Emissions
- Item Dimensions: 3.3 x 3.2 x 2.8 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2004 Cadillac DeVille EGR Valve Upper Bracket
Vehicle Fitment- 2004 Cadillac DeVille | Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
FAQ for Exhaust Heat Shield Repair
Q: What is the removal procedure for the catalytic converter heat shield?
A:
The procedure is to remove the exhaust system, drill through the center of the heat shield rivets, and remove the heat shield.
By Bob
GM Specialist
01/11/2022Q: What is the proper way to install the catalytic converter heat shield?
A:
The proper way is to position the heat shield to the floor panel and install the remaining rivets and the exhaust system.
By Bob
GM Specialist
01/11/2022