Exhaust System fit your 2003 Cadillac Seville

Currently shopping for

2003 Cadillac Seville

Change Vehicle

Vehicle Options

4-Speed Automatic Transmission, 4T80E

Vehicle Options

4-Speed Automatic Transmission, 4T80E

Categories Close X

Currently selected

Fuel System, Exhaust, Emission System

Other Categories

Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers, Fascias

Front End Sheet Metal, Heater

Front Suspension, Steering

Interior Trim, Front Seat Trim, Seat Belts

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Glass, Seat Parts, Adjuster

Rear Seat Trim, Carpet

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SEAL, Exhaust Pipe

1647558
SEAL, EXHAUST MANIFOLD REAR PIPE
$28.80 $17.41
1
Add To Cart
1647558
SEAL, EXHAUST MANIFOLD FRONT PIPE
$28.80 $17.41
1
Add To Cart

21992620
GASKET, Exhaust Pipe, GASKET,EXHAUST MANIFOLD PIPE
$25.82 $15.60
1
Add To Cart

12573925
GASKET, Manifold to Cylinder Head, GASKET,EXHAUST MANIFOLD
- Require Quantity: 02
- Package Quantity: 1
$31.96 $20.28
1
Add To Cart

FLANGE, Exhaust Pipe

1647559
FLANGE, EXHAUST MANIFOLD PIPE
3545517
FLANGE, EXHAUST MANIFOLD PIPE

11561601
STUD, Exhaust Pipe, STUD,EXHAUST MANIFOLD PIPE
$7.61 $5.10
1
Add To Cart

SENSOR, Computer Control Sensors
12559850
SENSOR, HEATED OXYGEN(MAY NEED TO USE MATING CONNECT 15305960 4-WAY FEMALE W/LEADS)
Fitting Vehicle Options: KS,KY
Require Quantity: 02
Package Quantity: 1
$119.40 $37.12
1
Add To Cart
12559850
SENSOR, HEATED OXYGEN(POSITION 1)(IN EXHAUST MANIFOLD/CROSSOVER)(MAY NEED TO USE MATING CONNECT 15305960 4-WAY FEMALE W/LEADS)
- Fitting Vehicle Options: K(LD8,L37)
- Require Quantity: 02
- Package Quantity: 1
$119.40 $37.12
1
Add To Cart
12559849
SENSOR, HEATED OXYGEN
- Fitting Vehicle Options: KS,KY
$104.83 $58.44
12559849
SENSOR, HEATED OXYGEN(POSITION 3)(POST CONVERTER)
- Fitting Vehicle Options: K(LD8,L37)
$104.83 $58.44

3544534
GASKET, Catalytic Converter, GASKET,CATALYTIC CONVERTER
$12.32 $8.24
1
Add To Cart

MANIFOLD, Engine Exhaust Manifold
12564185
MANIFOLD, EXHAUST
Location: Driver Side
Fitting Vehicle Options: K(LD8,L37,NC1,NF7), K(LD8,L37,NT3)(EXPORT)
$421.39 $131.11
1
Add To Cart
12557767
MANIFOLD, EXHAUST(W/AIR)
- Location: Passenger Side
- Fitting Vehicle Options: K(L37,LD8)
12558512
MANIFOLD, EXHAUST
- Location: Passenger Side
- Fitting Vehicle Options: K(LD8,L37,NF2)

PIPE, Exhaust Pipe
19152014
PIPE, EXHAUST(PART OF 36)(INTERMEDIATE PIPE, RESONATOR NOT INCLUDED)
Fitting Vehicle Options: KD,KE,KF(NF2), KD,KE,KF(NC1,NF7)
$541.78 $395.07
1
Add To Cart
12564240
PIPE, EXHAUST MANIFOLD FRONT
- Fitting Vehicle Options: K
$92.15 $61.64
25724154
PIPE, EXHAUST MANIFOLD REAR
- Fitting Vehicle Options: K

25555386
BOLT, Exhaust Muffler/Resonator, BOLT,EXHAUST MUFFLER(M8X1.25X50,20.5 THREAD)(HEX FLANGED HEAD SHOULDER)
- Require Quantity: 02
- Package Quantity: 1
$37.54 $25.11
1
Add To Cart

INSULATOR, Exhaust Muffler/Resonator
25687438
INSULATOR, EXHAUST MUFFLER HANGER BRACKET(PART OF 30,36)
Fitting Vehicle Options: K
$10.10 $8.06
1
Add To Cart
25609451
INSULATOR, EXHAUST MUFFLER HANGER BRACKET(PART OF 36)
- Fitting Vehicle Options: KD,KE,KF

25687438
INSULATOR, Exhaust Tail Pipe, INSULATOR,EXHAUST TAIL PIPE HANGER(PART OF 40)
$10.10 $8.06
1
Add To Cart

MUFFLER, Exhaust Tail Pipe
25693403
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 36)(INCLUDES 33)(3.701)
Location: Driver Side
$965.46 $639.97
1
Add To Cart
25693404
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 36)(INCLUDES 33)(3.701)
- Location: Passenger Side
$965.46 $639.97
1
Add To Cart

MUFFLER, Exhaust
25693403
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 36)(INCLUDES 33)
Location: Driver Side
Fitting Vehicle Options: KD,KE,KF
$965.46 $639.97
1
Add To Cart
25693404
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 36)(INCLUDES 33)
- Location: Passenger Side
- Fitting Vehicle Options: KD,KE,KF
$965.46 $639.97
1
Add To Cart
25695568
MUFFLER, EXHAUST (W/EXHAUST & TAIL PIPE & 3 WAY CATALYTIC CONVERTER)(INCLUDES 24,28,30,33,35)
- Fitting Vehicle Options: KD,KE,KF(NF2)
88959330
MUFFLER, EXHAUST (W/EXHAUST & TAIL PIPE & 3 WAY CATALYTIC CONVERTER)(INCLUDES 20,24,26,28-29,32-34,37,39)(TOGETHER WITH 88959311 & 88959312)
- Fitting Vehicle Options: KS,KY(NF2)
88959334
MUFFLER, EXHAUST (W/EXHAUST & TAIL PIPE & 3 WAY CATALYTIC CONVERTER)(INCLUDES 20,24,26,28-29,32-34,37,39)(TOGETHER WITH 88959311 & 88959312)
- Fitting Vehicle Options: KS,KY(LD8,L37,NC1,NF7,NT3)

25729651
SHIELD, Catalytic Converter, SHIELD,CATALYTIC CONVERTER & EXHAUST MUFFLER HEAT
$83.78
1
Add To Cart

3535128
BOLT, Exhaust Pipe, BOLT,EXHAUST MANIFOLD REAR PIPE
- Require Quantity: 02
- Package Quantity: 1
$11.96 $7.51
1
Add To Cart

EXTENSION KIT, Exhaust Tail Pipe
88959311
EXTENSION KIT, EXHAUST TAIL PIPE(TOGETHER WITH 88959334 & 88959312)
Location: Passenger Side
$292.39 $194.69
1
Add To Cart
88959312
EXTENSION KIT, EXHAUST TAIL PIPE(TOGETHER WITH 88959311 & 88959334)
- Location: Driver Side
$275.86 $219.25
1
Add To Cart

CLAMP, Exhaust System Attaching
10114745
CLAMP, EXHAUST MUFFLER(2.0")
Fitting Vehicle Options: KS,KY
Require Quantity: 02
Package Quantity: 1
15992529
CLAMP, EXHAUST MUFFLER(SADDLE TYPE)(FITS 69.85MM/2.75"PIPE)
- Fitting Vehicle Options: K(LD8,L37,NC1)(EXC NM8)
- Require Quantity: 02
- Package Quantity: 1

CONVERTER, Catalytic Converter
19152011
CONVERTER, CATALYTIC(W/INTEGRAL RESONATOR)(PART OF 36)
Fitting Vehicle Options: KD,KE,KF(NF2)
19152013
CONVERTER, CATALYTIC(W/INTEGRAL RESONATOR)(PART OF 40)(INCLUDES 26)
- Fitting Vehicle Options: K(NC1,NF7,NT3)(EXC NM8)
19152013
CONVERTER, CATALYTIC(W/INTEGRAL RESONATOR)(PART OF 36)
- Fitting Vehicle Options: K(NC1,NF7,NT3)(EXC NM8)

25609451
INSULATOR, Exhaust Pipe, INSULATOR,EXHAUST PIPE HANGER(PART OF 40)(FRONT-INTERMEDIATE)

25711980
BRACKET, Exhaust Muffler/Resonator, BRACKET,EXHAUST MUFFLER REAR HANGER
- Require Quantity: 02
- Package Quantity: 1

25910637
SHIELD, Chassis/Engine Wiring Harness, SHIELD,OXYGEN SENSOR WIRING HARNESS

11517996
NUT, HEX FLANGED HEAD,M10X1.5,11.2 THICK,21.5 OUTSIDE DIAMETER,10,7111M,ALL METAL PREVENT TORQUE(EXHAUST MUFFLER HANGER)
- Require Quantity: 02
- Package Quantity: 1
$7.38 $4.46
1
Add To Cart

11514597
NUT, HEX FLANGED HEAD,10X1.5 THREAD, 9.8 THICK, 21.8 OUTSIDE DIAMETER, 510M (10) PHOSPHATE ZINC ORGANIC - FLAKE 7111M(EXHAUST MUFFLER HANGER)(2.383)
- Require Quantity: 02
- Package Quantity: 1
$8.42 $4.69
1
Add To Cart

11515767
BOLT, HEX FLANGED HEAD,M10X1.5X35,32THD,22.3 O.D.,MACHINE,10.9,7114M(EXHAUST MUFFLER REAR HANGER BRACKET)(TOGETHER WITH 12345493)
- Require Quantity: 02
- Package Quantity: 10
$1.22 $0.79
10
Add To Cart

11515767
BOLT, HEX FLANGED HEAD,M10X1.5X35,32THD,22.3 O.D.,MACHINE,10.9,7114M(EXHAUST MUFFLER REAR HANGER UPPER BRACKET)(TOGETHER WITH 12345493)
- Require Quantity: 02
- Package Quantity: 10
$1.22 $0.79
10
Add To Cart

11515767
BOLT, HEX FLANGED HEAD,M10X1.5X35,32THD,22.3 O.D.,MACHINE,10.9,7114M(EXHAUST MANIFOLD REAR PIPE)(TOGETHER WITH 12345493)
- Require Quantity: 02
- Package Quantity: 10
$1.22 $0.79
10
Add To Cart

11515758
BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(EXHAUST MANIFOLD)
- Require Quantity: 08
- Package Quantity: 10
$1.86 $1.18
10
Add To Cart

11609746
NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(CATALYTIC CONVERTER)
- Require Quantity: 04
- Package Quantity: 12
$4.42 $2.81
12
Add To Cart

11609746
NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(EXHAUST MANIFOLD)
- Require Quantity: 08
- Package Quantity: 12
$4.42 $2.81
12
Add To Cart

11515793
BOLT, HEX FLANGED HEAD(EXHAUST MANIFOLD REAR PIPE)
- Fitting Vehicle Options: KS,KY, KD,KE,KF
- Require Quantity: 02
- Package Quantity: 1
$6.38 $4.05
1
Add To Cart

11515793
BOLT, HEX FLANGED HEAD(EXHAUST MANIFOLD FRONT PIPE)
- Require Quantity: 02
- Package Quantity: 1
$6.38 $4.05
1
Add To Cart

11515793
BOLT, HEX FLANGED HEAD(EXHAUST MANIFOLD FRONT PIPE BRACKET)
$6.38 $4.05
1
Add To Cart

11561734
RIVET, POP,.187"SHANK DIAMETER,.51"LONG,.625"OUTSIDE DIAMETER,.062-.25GRIP,ALUMINUM,PURPLE,DOME HEAD.(OXYGEN SENSOR WIRING HARNESS SHIELD)
- Require Quantity: 04
- Package Quantity: 1
$7.39 $4.69
1
Add To Cart

11561734
RIVET, POP,.187"SHANK DIAMETER,.51"LONG,.625"OUTSIDE DIAMETER,.062-.25GRIP,ALUMINUM,PURPLE,DOME HEAD.(CATALYTIC CONVERTER HEAT SHIELD)
- Require Quantity: 08
- Package Quantity: 1
$7.39 $4.69
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Cadillac Seville parts. Parts like Exhaust System are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 4.6L. Model Code: DEVILLE, HIGH LUXURY, SEVILLE, STS, TOURING 4 DOOR.