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2008 Cadillac STS
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Exhaust Manifolds, Pipes & Mufflers
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Dorman® Cast Iron Natural Exhaust Manifold for 2008 Cadillac STS
PartNumber: 674-931Product Specifications- Notes: CARB Compliant: No
- Bolt Hole Quantity: 2
- Finish: Natural
- Gasket or Seal Included: Yes
- Header Material: Cast Iron
- Inlet Port Shape: Round
- Installation Hardware Included: Yes
- Item Grade: Standard Replacement
- OE Part Number: 12567688, 12607451, 12638982
- Package Quantity: 1
- Position: Driver Side
- UPC: 019495461913
- Part Description: 2008 Cadillac STS Cast Iron Natural Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | All Trims | 8 Cyl 4.6L
$443.26
Davico® Exhaust Manifold with Integrated Catalytic Converter for 2008 Cadillac STS
PartNumber: 19249Product Specifications- Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Manifold Converter
- Inlet Type A: 8 Bolt Manifold Flange
- Length: 29"
- O2 Sensor: with 1 O2 Sensor Port
- Outlet Type A: 2 Bolt Fixed Flange
- Packaging Type: Boxed
- Position: Front Passenger Side
- Sensor Port Count: 1
- Part Description: 2008 Cadillac STS Exhaust Manifold with Integrated Catalytic Converter
Vehicle Fitment- 2008 Cadillac STS | All Trims | 8 Cyl 4.6L
$336.85
Dorman® Cast Iron Natural Exhaust Manifold for 2008 Cadillac STS
PartNumber: 674-414Product Specifications- Finish: Natural
- Flange Bolt Hole Quantity: 2
- Flange Stud Hole Quantity: 0
- Gasket or Seal Included: Yes
- Header Material: Cast Iron
- Heat Shield Included: No
- Inlet Port Shape: Oval
- Installation Hardware Included: No
- Item Grade: Regular
- Manifold Bolt Hole Quantity: 7
- OE Part Number: 12571102
- Package Quantity: 1
- Position: Driver Side
- UPC: 885484412958
- Part Description: 2008 Cadillac STS Cast Iron Natural Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | All Trims | 6 Cyl 3.6L
$99.52
Dorman® Cast Iron Natural Exhaust Manifold for 2008 Cadillac STS
PartNumber: 674-415Product Specifications- Finish: Natural
- Flange Bolt Hole Quantity: 2
- Flange Stud Hole Quantity: 0
- Gasket or Seal Included: Yes
- Header Material: Cast Iron
- Heat Shield Included: No
- Inlet Port Shape: Oval
- Installation Hardware Included: No
- Item Grade: Regular
- Manifold Bolt Hole Quantity: 7
- OE Part Number: 12571101
- Package Quantity: 1
- Position: Passenger Side
- UPC: 885484412972
- Part Description: 2008 Cadillac STS Cast Iron Natural Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | All Trims | 6 Cyl 3.6L
$92.85
Davico® Exhaust Manifold with Integrated Catalytic Converter for 2008 Cadillac STS
PartNumber: 19248Product Specifications- Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Manifold Converter
- Height: 5"
- Inlet Type A: 8 Bolt Manifold Fixed Flange
- Length: 29"
- O2 Sensor: with 1 O2 Sensor Port
- Outlet Type A: 2 Bolt Fixed Flange
- Packaging Type: Boxed
- Position: Front Driver Side
- Sensor Port Count: 1
- Width: 10.5"
- Part Description: 2008 Cadillac STS Exhaust Manifold with Integrated Catalytic Converter
Vehicle Fitment- 2008 Cadillac STS | All Trims | 8 Cyl 4.6L
$333.74
Dorman® Cast Iron Natural Exhaust Manifold for 2008 Cadillac STS
PartNumber: 674-930Product Specifications- Notes: CARB Compliant: No
- Bolt Hole Quantity: 2
- Finish: Natural
- Gasket or Seal Included: Yes
- Header Material: Cast Iron
- Inlet Port Shape: Round
- Installation Hardware Included: Yes
- Item Grade: Standard Replacement
- OE Part Number: 12567687, 12607450, 12638981
- Package Quantity: 1
- Position: Passenger Side
- UPC: 019495461890
- Part Description: 2008 Cadillac STS Cast Iron Natural Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | All Trims | 8 Cyl 4.6L
$561.35
OEM (Genuine) 2008 Cadillac STS Exhaust Manifold
PartNumber: 12638993
Product Specifications- Notes: 4.4 Liter; Sts, Sts-V; 4.4l; Left
- Location: Driver Side
- Other Names: Exhaust Manifold
- Item Dimensions: 33.0 x 10.6 x 5.3 inches
- Item Weight: 20.00 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12606643
- Part Description: 2008 Cadillac STS Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | V | 8 Cyl 4.4 L GAS
OEM (Genuine) 2008 Cadillac STS Engine Exhaust Manifold
PartNumber: 12571101
Product Specifications- Notes: 3.6 Liter; Sts, Sts-V; 3.6l; Right
- Location: Passenger Side
- Other Names: Exhaust Manifold, Manifold
- Item Dimensions: 15.5 x 7.5 x 7.7 inches
- Item Weight: 7.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Cadillac STS Engine Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | Base, Platinum | 6 Cyl 3.6 L GAS
OEM (Genuine) 2008 Cadillac STS Engine Exhaust Manifold
PartNumber: 12571102
Product Specifications- Notes: 3.6 Liter; Sts, Sts-V; 3.6l; Left
- Location: Driver Side
- Other Names: Exhaust Manifold, Manifold
- Item Dimensions: 15.0 x 7.5 x 7.5 inches
- Item Weight: 8.00 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Cadillac STS Engine Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | Base, Platinum | 6 Cyl 3.6 L GAS
OEM (Genuine) 2008 Cadillac STS Exhaust Manifold
PartNumber: 12638994
Product Specifications- Notes: 4.4 Liter; Sts, Sts-V; 4.4l; Right
- Location: Passenger Side
- Other Names: Exhaust Manifold
- Item Dimensions: 33.2 x 10.0 x 4.9 inches
- Item Weight: 20.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12606642
- Part Description: 2008 Cadillac STS Exhaust Manifold
Vehicle Fitment- 2008 Cadillac STS | V | 8 Cyl 4.4 L GAS
OEM (Genuine) 2008 Cadillac STS Exhaust Manifold (W/3Way Catalytic Converter)
PartNumber: 12638996
Product Specifications- Notes: 4.6 Liter; Sts, Sts-V; 4.6l; Right
- Location: Passenger Side
- Other Names: Exhaust Manifold, Manifold
- Item Dimensions: 32.7 x 10.1 x 4.4 inches
- Item Weight: 20.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12607450
- Part Description: 2008 Cadillac STS Exhaust Manifold (W/3Way Catalytic Converter)
Vehicle Fitment- 2008 Cadillac STS | Base, Platinum | 8 Cyl 4.6 L GAS
OEM (Genuine) 2008 Cadillac STS Exhaust Manifold (W/3Way Catalytic Converter)
PartNumber: 12638999Product Specifications- Notes: 4.6 Liter; Sts, Sts-V; 4.6l; Left
- Location: Driver Side
- Other Names: Exhaust Manifold, Manifold
- Item Dimensions: 31.1 x 10.6 x 5.1 inches
- Item Weight: 20.80 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12607451
- Part Description: 2008 Cadillac STS Exhaust Manifold (W/3Way Catalytic Converter)
Vehicle Fitment- 2008 Cadillac STS | Base, Platinum | 8 Cyl 4.6 L GAS
FAQ for Exhaust Manifold Repair
Q: What is the recommended torque for the catalytic converter nuts?
A:
The recommended torque is 50 N.m (37 lb-ft).
By Bob
GM Specialist
01/11/2022Q: What is the recommended torque for the exhaust manifold bolts?
A:
The recommended torque is 20 N.m (15 lb-ft).
By Bob
GM Specialist
01/11/2022