How to replace the Front Exhaust Pipe on 2003 Cadillac DeVille?

To replace the front exhaust manifold pipe, remove the rear exhaust manifold pipe and transaxle assembly. Detach the bolts securing the left exhaust manifold and crankcase. Remove the coil cassette ground wire nut and EGR inlet pipe nut. Install a new front exhaust manifold pipe seal and reassemble components.

OEM 2003 Cadillac DeVille Exhaust Pipe

Exhaust Tail Pipe

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4 Exhaust Pipes found

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2003 Cadillac DeVille Exhaust Pipe Part Number: 12564240
$61.91 MSRP: $92.15
You Save: $30.24 (33%)
Product Specifications
- Other Name: Pipe, Exhaust Pipe; Crossover Pipe; Front Pipe; Cross Over Pipe
- Position: Front
- Replaces: 12556489
- Item Weight: 7.50 Pounds
- Item Dimensions: 26.3 x 14.2 x 5.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12564240
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Cadillac DeVille Submodels:
- Base, Concours, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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2003 Cadillac DeVille Catalytic Converter Part Number: 25727006
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Exhaust Pipe; Muffler; Muffler Assembly; Converter & Pipe
- Item Weight: 67.50 Pounds
- Condition: New
- SKU: 25727006
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 Cadillac DeVille Submodels:
- Base, DHS, DTS | 8 Cyl 4.6 L GAS
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2003 Cadillac DeVille Catalytic Converter Part Number: 25695568
Product Specifications
- Other Name: Muffler Assembly-Exhaust (W/Exhaust & Tail Pipe & 3W; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler Assembly; Converter & Pipe; Muffler, Exhaust; Muffler
- Item Weight: 75.60 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25695568
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 Cadillac DeVille Submodels:
- Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
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2003 Cadillac DeVille Exhaust Pipe Part Number: 25724154
Product Specifications
- Other Name: Pipe, Exhaust Pipe; Crossover Pipe; Front Pipe; Connector Pipe
- Position: Rear
- Item Weight: 8.20 Pounds
- Item Dimensions: 19.1 x 3.1 x 9.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25724154
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac DeVille Submodels:
- Base, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS

2003 Cadillac DeVille Exhaust Pipe

With a comprehensive array of OEM 2003 Cadillac DeVille Exhaust Pipe, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Cadillac DeVille Exhaust Pipe 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 DeVille Exhaust Pipe Parts and Q&A

Q: How to replace the Front Exhaust Pipe on 2003 Cadillac DeVille?
A: To replace the front exhaust manifold pipe, remove the rear exhaust manifold pipe and transaxle assembly. Detach the bolts securing the left exhaust manifold and crankcase. Remove the coil cassette ground wire nut and EGR inlet pipe nut. Install a new front exhaust manifold pipe seal and reassemble components.