Walker 31866 Exhaust Flange

Name: Walker 31866 Exhaust Flange
Brand: Phillips
SKU: BDCN-31866
Price: 12.90 USD
Availability: OutOfStock

183 vehicles fit this part

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Overview of Walker Exhaust Flange 31866

The Walker Exhaust Flange 31866 is designed for reliable connection in exhaust systems of select GM vehicles. Constructed from durable steel with a natural finish, this 3-bolt flange provides a precise fit for various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models.

Material: Steel for strength and durability
Inside Diameter: 2.75 inches for proper exhaust flow
Bolt Hole Center to Center: 3.375 inches ensuring accurate mounting
Flange Length: 4.875 inches and Width: 5.25 inches for secure sealing
Flange Thickness: 0.2 inches for structural integrity
3-bolt flange type compatible with specific GM exhaust systems

Detailed Product Description

The Walker 31866 exhaust flange is engineered to meet the specifications required by a range of GM vehicles including Buick LeSabre, Cadillac Fleetwood, Chevrolet Caprice, Oldsmobile Cutlass, and Pontiac Grand Prix. Its steel construction offers resistance to corrosion and heat, essential for maintaining exhaust system integrity. The natural finish preserves the metal’s properties without additional coatings that could degrade under high temperatures. The 3-bolt design with a bolt hole center spacing of 3.375 inches ensures a secure and leak-free connection between exhaust components. With an inside diameter of 2.75 inches, this flange supports proper exhaust gas flow, helping maintain engine performance and emissions compliance.

Compatible Vehicles and Applications

Buick models including Century, LeSabre, and Regal
Cadillac models such as Brougham and Fleetwood
Chevrolet models including Caprice and Custom Cruiser
Oldsmobile models like Cutlass Supreme and Delta 88
Pontiac models including Bonneville and Grand Prix

Common Uses and Problem Solving

Replacement of worn or damaged exhaust flanges to prevent leaks
Restoration of exhaust system alignment and sealing
Repair of exhaust flange corrosion or cracking
Ensuring proper exhaust gas flow and reducing noise
Maintaining emissions system integrity on GM vehicles

Installation Notes and Tips

When installing the Walker 31866 exhaust flange, ensure the mating surfaces are clean and free of rust or debris. Use appropriate gaskets and torque bolts to manufacturer specifications to avoid leaks. The 3-bolt pattern requires precise alignment; verify bolt hole spacing matches the exhaust pipe and manifold. It is recommended to inspect surrounding exhaust components for wear during installation to ensure a complete and lasting repair.

Quality Assurance and Warranty

Walker exhaust components are manufactured to meet OEM standards for fit and function. The steel construction and natural finish provide durability under typical exhaust system conditions. While specific warranty details for part number 31866 may vary, Walker products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.

Brand	Phillips
Part Number	168B2
Amperage Rating	0.42
Bulb Base Type	W2,1x9,5d
Bulb Color	Clear
Bulb Finish	Clear
Bulb Material	Glass
Bulb Technology	Incandescent
Bulb Type	Standard Mini Bulb
DOT Approved	No
Diameter	0.43
Filament Quantity	1
Filament Type	C-2F
Length	1.06
Voltage	12
Wattage	4.9

This part fits 183 vehicles. Search below:

Year	Make	Model	Submodel	Body Type	Drive Type	Liters	Cylinders	Fuel Type	Position	Notes
1990	Buick	LeSabre	Estate Wagon			5.0L	V8		N/A
1990	Cadillac	Brougham			RWD	5.0L	V8		N/A
1990	Chevrolet	Caprice				5.0L	V8		N/A
1990	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1989	Buick	LeSabre	Estate Wagon			5.0L	V8		N/A
1989	Cadillac	Brougham			RWD	5.0L	V8		N/A
1989	Chevrolet	Caprice				5.0L	V8		N/A
1989	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1989	Pontiac	Safari		Wagon		5.0L	V8		N/A
1988	Buick	LeSabre	Estate Wagon			5.0L	V8		N/A
1988	Cadillac	Brougham			RWD	5.0L	V8		N/A
1988	Chevrolet	Caprice				5.0L	V8		N/A
1988	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1988	Pontiac	Safari		Wagon		5.0L	V8		N/A
1987	Buick	LeSabre	Estate Wagon			5.0L	V8		N/A
1987	Cadillac	Brougham			RWD	5.0L	V8		N/A
1987	Chevrolet	Caprice				5.0L	V8		N/A
1987	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1987	Pontiac	Safari		Wagon		5.0L	V8		N/A
1986	Buick	LeSabre	Estate Wagon			5.0L	V8		N/A
1986	Cadillac	Fleetwood	Brougham d'Elegance		RWD	5.0L	V8		N/A
1986	Cadillac	Fleetwood	Brougham		RWD	5.0L	V8		N/A
1986	Chevrolet	Caprice				5.0L	V8		N/A
1986	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1986	Pontiac	Parisienne				5.0L	V8		N/A
1985	Buick	LeSabre	Custom			5.0L	V8		N/A
1985	Buick	LeSabre	Estate Wagon			5.0L	V8		N/A
1985	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1985	Oldsmobile	Delta 88				5.0L	V8		N/A
1984	Buick	LeSabre				5.0L	V8		N/A
1984	Oldsmobile	98				5.0L	V8		N/A
1984	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1984	Oldsmobile	Delta 88				5.0L	V8		N/A
1983	Buick	LeSabre	Custom			5.0L	V8		N/A
1983	Buick	LeSabre	Limited			5.0L	V8		N/A
1983	Oldsmobile	98				5.0L	V8		N/A
1983	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1983	Oldsmobile	Delta 88				5.0L	V8		N/A
1982	Buick	LeSabre				5.0L	V8		N/A
1982	Oldsmobile	98				5.0L	V8		N/A
1982	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1982	Oldsmobile	Cutlass Calais			RWD	4.3L	V8		N/A
1982	Oldsmobile	Cutlass Cruiser			RWD	4.3L	V8		N/A
1982	Oldsmobile	Cutlass Supreme			RWD	4.3L	V8		N/A
1982	Oldsmobile	Delta 88				5.0L	V8		N/A
1982	Oldsmobile	Delta 88				4.3L	V8		N/A
1981	Buick	LeSabre				5.0L	V8		N/A
1981	Oldsmobile	98				5.0L	V8		N/A
1981	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1981	Oldsmobile	Cutlass				4.3L	V8	GAS	N/A
1981	Oldsmobile	Cutlass Calais				4.3L	V8	GAS	N/A
1981	Oldsmobile	Cutlass Cruiser				4.3L	V8	GAS	N/A
1981	Oldsmobile	Cutlass Supreme				4.3L	V8	GAS	N/A
1981	Oldsmobile	Delta 88				5.0L	V8		N/A
1981	Oldsmobile	Delta 88				4.3L	V8		N/A
1981	Pontiac	Bonneville		Wagon		5.0L	V8		N/A
1981	Pontiac	Bonneville		Coupe		5.0L	V8		N/A
1981	Pontiac	Bonneville		Sedan		5.0L	V8		N/A
1981	Pontiac	Catalina	Base			5.0L	V8		N/A
1981	Pontiac	Catalina	Safari	Wagon		5.0L	V8		N/A
1981	Pontiac	Laurentian	Base			5.0L	V8		N/A
1981	Pontiac	Parisienne	Base			5.0L	V8		N/A
1980	Buick	LeSabre				5.7L	V8		N/A
1980	Oldsmobile	98				5.7L	V8	GAS	N/A
1980	Oldsmobile	98				5.0L	V8		N/A
1980	Oldsmobile	Custom Cruiser				5.7L	V8		N/A
1980	Oldsmobile	Custom Cruiser				5.0L	V8		N/A
1980	Oldsmobile	Cutlass				5.7L	V8	GAS	N/A
1980	Oldsmobile	Cutlass				4.3L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Calais				4.3L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Calais				5.7L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Cruiser				4.3L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Cruiser				5.7L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Salon				4.3L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Supreme				5.7L	V8	GAS	N/A
1980	Oldsmobile	Cutlass Supreme				4.3L	V8	GAS	N/A
1980	Oldsmobile	Delta 88				5.7L	V8		N/A
1980	Oldsmobile	Delta 88				5.0L	V8		N/A
1980	Oldsmobile	Delta 88				4.3L	V8		N/A
1980	Pontiac	Bonneville				5.7L	V8		N/A
1980	Pontiac	Catalina				5.7L	V8		N/A
1979	Buick	LeSabre				5.7L	V8		N/A
1979	Oldsmobile	98				5.7L	V8	GAS	N/A
1979	Oldsmobile	98				6.6L	V8		N/A
1979	Oldsmobile	Custom Cruiser				5.7L	V8	GAS	N/A
1979	Oldsmobile	Custom Cruiser				6.6L	V8		N/A
1979	Oldsmobile	Cutlass				5.7L	V8	GAS	N/A	with Dual Outlets
1979	Oldsmobile	Cutlass Calais				5.7L	V8	GAS	N/A	with Dual Outlets
1979	Oldsmobile	Cutlass Salon				5.7L	V8	GAS	N/A	with Dual Outlets
1979	Oldsmobile	Cutlass Supreme				5.7L	V8	GAS	N/A	with Dual Outlets
1979	Oldsmobile	Delta 88				5.7L	V8	GAS	N/A
1979	Oldsmobile	Delta 88				6.6L	V8		N/A
1979	Oldsmobile	Delta 88				4.3L	V8		N/A
1979	Pontiac	Bonneville				5.7L	V8		N/A
1979	Pontiac	Bonneville	Base			6.6L	V8		N/A
1979	Pontiac	Bonneville	Brougham			6.6L	V8		N/A
1979	Pontiac	Bonneville		Wagon		6.6L	V8		N/A
1979	Pontiac	Catalina	Base			3.8L	V6		N/A
1979	Pontiac	Catalina				5.7L	V8		N/A
1979	Pontiac	Catalina		Wagon		6.6L	V8		N/A
1978	Buick	LeSabre				5.7L	V8		N/A
1978	Buick	LeSabre				6.6L	V8		N/A
1978	Buick	LeSabre	Base			3.8L	V6		N/A
1978	Buick	LeSabre	Custom			3.8L	V6		N/A
1978	Buick	Riviera				5.7L	V8		N/A
1978	Buick	Riviera				6.6L	V8		N/A
1978	Oldsmobile	98				5.7L	V8	GAS	N/A
1978	Oldsmobile	98				6.6L	V8		N/A
1978	Oldsmobile	Custom Cruiser				5.7L	V8	GAS	N/A
1978	Oldsmobile	Custom Cruiser				6.6L	V8		N/A
1978	Oldsmobile	Delta 88				5.7L	V8	GAS	N/A
1978	Oldsmobile	Delta 88				6.6L	V8		N/A
1978	Oldsmobile	Delta 88				4.3L	V8		N/A
1978	Pontiac	Bonneville		Wagon		6.6L	V8		N/A
1978	Pontiac	Bonneville				6.6L	V8		N/A
1978	Pontiac	Bonneville				5.7L	V8		N/A
1978	Pontiac	Catalina	Safari	Wagon		6.6L	V8		N/A
1978	Pontiac	Catalina				5.7L	V8		N/A
1978	Pontiac	Catalina		Sedan		6.6L	V8		N/A
1978	Pontiac	Catalina		Coupe		6.6L	V8		N/A
1977	Buick	Century				5.7L	V8		N/A
1977	Buick	Century		Wagon		6.6L	V8		N/A
1977	Buick	LeSabre				5.7L	V8		N/A
1977	Buick	LeSabre				6.6L	V8		N/A
1977	Buick	Regal				5.7L	V8		N/A
1977	Buick	Riviera				5.7L	V8		N/A
1977	Buick	Riviera				6.6L	V8		N/A
1977	Oldsmobile	98				5.7L	V8		N/A
1977	Oldsmobile	98				6.6L	V8		N/A
1977	Oldsmobile	Custom Cruiser				6.6L	V8		N/A
1977	Oldsmobile	Cutlass				5.7L	V8		N/A
1977	Oldsmobile	Cutlass				6.6L	V8		N/A
1977	Oldsmobile	Cutlass Salon				5.7L	V8		N/A
1977	Oldsmobile	Cutlass Salon				6.6L	V8		N/A
1977	Oldsmobile	Cutlass Supreme				5.7L	V8		N/A
1977	Oldsmobile	Cutlass Supreme				6.6L	V8		N/A
1977	Oldsmobile	Delta 88				5.7L	V8		N/A
1977	Oldsmobile	Delta 88				4.3L	V8		N/A
1977	Oldsmobile	Delta 88				6.6L	V8		N/A
1977	Pontiac	Bonneville		Coupe		6.6L	V8		N/A
1977	Pontiac	Bonneville		Sedan		6.6L	V8		N/A
1977	Pontiac	Bonneville		Wagon		6.6L	V8		N/A
1977	Pontiac	Bonneville		Coupe		5.7L	V8		N/A
1977	Pontiac	Bonneville		Sedan		5.7L	V8		N/A
1977	Pontiac	Bonneville		Wagon		5.7L	V8		N/A
1977	Pontiac	Catalina	Base	Sedan		5.7L	V8		N/A
1977	Pontiac	Catalina	Base	Coupe		5.7L	V8		N/A
1977	Pontiac	Catalina	Safari	Wagon		5.7L	V8		N/A
1977	Pontiac	Catalina		Wagon		6.6L	V8		N/A
1977	Pontiac	Catalina		Sedan		6.6L	V8		N/A
1977	Pontiac	Catalina		Coupe		6.6L	V8		N/A
1977	Pontiac	Grand LeMans	Safari	Wagon		5.7L	V8		N/A
1977	Pontiac	Grand LeMans		Coupe		6.6L	V8		N/A
1977	Pontiac	Grand LeMans		Sedan		5.7L	V8		N/A
1977	Pontiac	Grand LeMans		Coupe		5.7L	V8		N/A
1977	Pontiac	Grand LeMans		Sedan		6.6L	V8		N/A
1977	Pontiac	Grand Prix				5.7L	V8		N/A
1977	Pontiac	Grand Prix				6.6L	V8		N/A
1977	Pontiac	Grand Prix				4.9L	V8		N/A
1977	Pontiac	LeMans		Sedan		5.7L	V8		N/A
1977	Pontiac	LeMans		Coupe		5.7L	V8		N/A
1977	Pontiac	LeMans		Wagon		5.7L	V8		N/A
1977	Pontiac	LeMans		Sedan		6.6L	V8		N/A
1977	Pontiac	LeMans		Coupe		6.6L	V8		N/A
1976	Oldsmobile	98	Regency			7.5L	V8		N/A
1976	Oldsmobile	Custom Cruiser				7.5L	V8		N/A
1976	Oldsmobile	Cutlass				5.7L	V8		N/A
1976	Oldsmobile	Cutlass	S			7.5L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Cutlass	Colonnade S			7.5L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Cutlass Salon				7.5L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Cutlass Salon				5.7L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Cutlass Supreme				7.5L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Cutlass Supreme				5.7L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Delta 88				5.7L	V8		N/A	Except Late Models with 2 (in) Tail Pipe
1976	Oldsmobile	Delta 88				5.7L	V8		N/A	Except Early Models with 2-1/4 (in) Tail Pipe
1976	Oldsmobile	Delta 88				7.5L	V8		N/A
1976	Pontiac	Grand Prix				6.6L	V8		N/A
1975	Oldsmobile	98	Regency			7.5L	V8		N/A
1975	Oldsmobile	Custom Cruiser				7.5L	V8		N/A
1975	Oldsmobile	Custom Cruiser				6.6L	V8		N/A
1975	Oldsmobile	Delta 88				5.7L	V8		N/A
1975	Oldsmobile	Delta 88				7.5L	V8		N/A
1975	Pontiac	Grand Prix				6.6L	V8		N/A

* 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:

2583578386

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