How to replace the left exhaust manifold (3.4L) on 2003 Chevrolet Monte Carlo?

Disconnect negative battery cable; remove air intake duct, engine mount strut bracket and thermostat bypass pipe. Detach crossover pipe heat shield and nuts, then left manifold heat shield, nuts, manifold and gasket. Clean surfaces, install new gasket, manifold, shields and nuts. Refit thermostat bypass pipe, mount bracket, intake duct, reconnect battery.

OEM 2003 Chevrolet Monte Carlo Exhaust Manifold

Engine Exhaust Manifold

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7 Exhaust Manifolds found

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2003 Chevrolet Monte Carlo Exhaust Manifold, Driver Side Part Number: 12568405
$204.26 MSRP: $303.21
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Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Item Weight: 5.10 Pounds
- Item Dimensions: 16.9 x 5.9 x 5.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12568405
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Chevrolet Monte Carlo Submodels:
- LS, LS Competition, LS Sport | 6 Cyl 3.4 L GAS
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2003 Chevrolet Monte Carlo Exhaust Manifold, Passenger Side Part Number: 24507481
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Item Weight: 8.30 Pounds
- Item Dimensions: 17.7 x 10.5 x 9.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24507481
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Monte Carlo Submodels:
- SS, SS 35th Anniversary Edition, SS Dale Earnhardt Signature Edition, SS High Sport, SS Pace Car | 6 Cyl 3.8 L GAS
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2003 Chevrolet Monte Carlo Exhaust Manifold, Passenger Side Part Number: 12578348
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Item Weight: 10.20 Pounds
- Item Dimensions: 21.4 x 7.4 x 7.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12578348
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Monte Carlo Submodels:
- LS, LS Competition, LS Sport | 6 Cyl 3.4 L GAS
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2003 Chevrolet Monte Carlo Exhaust Manifold, Passenger Side Part Number: 24503918
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Item Weight: 7.90 Pounds
- Item Dimensions: 16.5 x 8.5 x 4.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24503918
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Monte Carlo Submodels:
- LS, SS, SS 35th Anniversary Edition, SS Dale Earnhardt Signature Edition, SS High Sport, SS Pace Car, Z34 | 6 Cyl 3.8 L GAS
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2003 Chevrolet Monte Carlo Exhaust Manifold, Driver Side Part Number: 24504379
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Item Weight: 8.90 Pounds
- Item Dimensions: 21.2 x 9.0 x 6.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24504379
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Monte Carlo Submodels:
- LS, LT, SS, SS 35th Anniversary Edition, SS Dale Earnhardt Signature Edition, SS High Sport, SS Pace Car, Z34 | 6 Cyl 3.8 L GAS
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2003 Chevrolet Monte Carlo Exhaust Manifold, Passenger Side Part Number: 24506309
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Passenger Side
- Item Weight: 14.70 Pounds
- Item Dimensions: 19.2 x 6.7 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 24506309
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Monte Carlo Submodels:
- LS, LS Competition, LS Sport | 6 Cyl 3.1 L GAS, 6 Cyl 3.4 L GAS
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2003 Chevrolet Monte Carlo Exhaust Manifold, Driver Side Part Number: 10182321
Product Specifications
- Other Name: Manifold, Engine Exhaust Manifold; Manifold
- Position: Driver Side
- Item Weight: 5.40 Pounds
- Item Dimensions: 19.4 x 4.9 x 4.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10182321
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Monte Carlo Submodels:
- LS, LS Competition, LS Sport | 6 Cyl 3.1 L GAS, 6 Cyl 3.4 L GAS

2003 Chevrolet Monte Carlo Exhaust Manifold

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

Q: How to replace the left exhaust manifold (3.4L) on 2003 Chevrolet Monte Carlo?
A: Disconnect negative battery cable; remove air intake duct, engine mount strut bracket and thermostat bypass pipe. Detach crossover pipe heat shield and nuts, then left manifold heat shield, nuts, manifold and gasket. Clean surfaces, install new gasket, manifold, shields and nuts. Refit thermostat bypass pipe, mount bracket, intake duct, reconnect battery.