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WalkerPart #: 18439

Walker 18439 Exhaust Muffler

Name: Walker 18439 Exhaust Muffler
Brand: Walker
SKU: BDCN-18439
Price: 60.54 USD
Availability: InStock

SoundFX Direct Fit

⚙️ 31 vehicles fit this part

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Select your vehicle to confirm fitment

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

📦SoundFX Direct Fit

🚗Fitment: Chevrolet and Pontiac, Cavalier and Sunfire

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Overview of Walker SoundFX Direct Fit Exhaust Muffler 18439

The Walker SoundFX Direct Fit Exhaust Muffler 18439 is designed specifically for Chevrolet Cavalier and Pontiac Sunfire models. This oval-shaped muffler offers a precise fit and reliable performance for these vehicles, ensuring proper exhaust flow and noise reduction.

Specific fit for Chevrolet Cavalier and Pontiac Sunfire
Oval body shape with aluminized steel construction
2-inch inlet inside diameter with offset pipe connection
Single inlet and outlet configuration with center outlet tip
Overall length of 27.5 inches and body length of 18 inches

Product Features and Specifications

The Walker 18439 muffler features a combination muffler type with a regular grade aluminized steel body that measures 11 inches in width and 5.5 inches in height. It has a 2-inch inside diameter inlet with an offset configuration positioned 3.5 inches from the center. The outlet is a single tip type with a 1.75-inch outside diameter located at the center. This muffler is not reversible or tunable, designed for a direct fit replacement without modification.

Walker SoundFX Direct Fit Product Line

The SoundFX Direct Fit line by Walker focuses on providing vehicle-specific exhaust components that match original equipment specifications. This ensures a straightforward installation process and maintains the intended exhaust sound and performance. The 18439 muffler is part of this line, offering a tailored fit for Chevrolet Cavalier and Pontiac Sunfire models to meet factory standards.

Applications and Problem Solving

Replacement for worn or damaged mufflers on Chevrolet Cavalier and Pontiac Sunfire
Restores proper exhaust flow and reduces excessive noise
Prevents exhaust leaks caused by rust or corrosion
Maintains vehicle emissions compliance by ensuring exhaust system integrity
Improves overall vehicle performance by optimizing exhaust backpressure

Installation Notes and Tips

This muffler is designed for a direct fit installation on compatible Chevrolet Cavalier and Pontiac Sunfire models. The offset inlet pipe connection requires alignment with the existing exhaust piping. Ensure all connections are secure and properly sealed to prevent leaks. Professional installation is recommended to maintain exhaust system integrity and performance.

Quality Assurance and Warranty

Constructed from aluminized steel, the Walker 18439 muffler offers corrosion resistance suitable for regular use. While specific warranty details are not provided, Walker products typically meet industry standards for durability and fitment. Verify warranty coverage with the manufacturer or authorized distributor.

Brand	Walker
Part Number	18439
Position	SoundFX Direct Fit
Universal Or Specific Fit	Specific
Shape	Oval
Grade Type	Regular
Inlet Inside Diameter	2
Body Width	11
Inlet Quantity	1
Outlet Quantity	1
Reversible	No
Tunable	No
Overall Length	27.5
Body Height	5.5
Body Length	18
Body Material	Steel
Finish	Aluminized
Inlet 1 Inside Diameter	2
Inlet 1 Type	Pipe connection
Inlet Configuration	Offset
Inlet Offset	3.5
Inlet Type	Pipe connection
Muffler Type	Combination
Outlet 1 Outside Diameter	1.75
Outlet 1 Type	Tip
Outlet Configuration	Center
Outlet Outside Diameter	1.75
Outlet Type	Tip

This part fits 31 vehicles. Search below:

Year	Make	Model	Body Type	Liters	Cylinders	Position	Notes
2005	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2005	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2004	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2003	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Chevrolet	Cavalier		2.4L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2002	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Chevrolet	Cavalier		2.4L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
2001	Pontiac	Sunfire		2.4L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; SoundFX Direct Fit
2000	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Chevrolet	Cavalier		2.4L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
2000	Pontiac	Sunfire		2.4L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; SoundFX Direct Fit
1999	Chevrolet	Cavalier		2.2L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Chevrolet	Cavalier		2.4L	L4	N/A	with Single Outlet; Requires 36153 With Flat/Spade Type Or 36360 With Rod Type; If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Pontiac	Sunfire		2.2L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; If welded assembly, replace all required parts; SoundFX Direct Fit
1999	Pontiac	Sunfire		2.4L	L4	N/A	with Single Outlet; Requires 36153 Or 36360; SoundFX Direct Fit
1998	Chevrolet	Cavalier		2.2L	L4	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Chevrolet	Cavalier	Convertible	2.4L	L4	N/A	Requires 36153; If welded assembly, replace all required parts; SoundFX Direct Fit
1998	Chevrolet	Cavalier	Sedan	2.4L	L4	N/A	Requires 36153; If welded assembly, replace all required parts; SoundFX Direct Fit
1997	Chevrolet	Cavalier		2.2L	L4	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1997	Chevrolet	Cavalier	Convertible	2.4L	L4	N/A	Requires 36153; If welded assembly, replace all required parts; SoundFX Direct Fit
1997	Chevrolet	Cavalier	Sedan	2.4L	L4	N/A	Requires 36153; If welded assembly, replace all required parts; SoundFX Direct Fit
1996	Chevrolet	Cavalier		2.2L	L4	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit
1996	Chevrolet	Cavalier	Convertible	2.4L	L4	N/A	Requires 36153; If welded assembly, replace all required parts; SoundFX Direct Fit
1996	Chevrolet	Cavalier	Sedan	2.4L	L4	N/A	Requires 36153; If welded assembly, replace all required parts; SoundFX Direct Fit
1995	Chevrolet	Cavalier		2.2L	L4	N/A	If welded assembly, replace all required parts; SoundFX Direct Fit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

14711700185

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.