Exhaust System fit your 1998 Cadillac Seville

My Vehicle Change Vehicle

1998 Cadillac Seville

4-Speed Automatic Transmission, 4T80E

My Vehicle Change Vehicle

1998 Cadillac Seville

4-Speed Automatic Transmission, 4T80E

Categories Close X

You have 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

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

Part No. &
Part Description

HANGER, Exhaust Muffler/Resonator
15284207
HANGER, EXHAUST MUFFLER REAR(3.706)
Require Quantity:
04
Package Quantity:
1
MSRP: $10.77
$7.20
1
Add To Cart
363455
HANGER, EXHAUST MUFFLER FRONT(3.616)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: --
$9.72
1
Add To Cart
25686748
HANGER, EXHAUST MUFFLER INTERMEDIATE
- Require Quantity:
  02
- Package Quantity:
  1

SEAL, Exhaust Pipe

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

21992620
GASKET, Exhaust Pipe, GASKET,EXHAUST MANIFOLD PIPE
MSRP: $23.88
$15.98
1
Add To Cart

SENSOR, Computer Control Sensors

19355308
SENSOR, HEATED OXYGEN(USED AT POSITION #3/POST CONVERTER, ALSO USED AT POSITION #2ENGINE OUT, WHEN USED W/THE 1ST DESIGN EXHAUST MANIFOLD REAR PIPE, WHICH HAS BOSS FOR OXYGEN SENSOR MOUNTING)
MSRP: $127.32
$61.32
1
Add To Cart
19355308
SENSOR, HEATED OXYGEN(USED AT POSITION #3/POST CONVERTER, ALSO USED AT POSITION #2/ENGINE OUT, WHEN USED W/THE 1ST DESIGN EXHAUST MANIFOLD REAR PIPE, WHICH HAS BOSS FOR OXYGEN SENSOR MOUNTING)
MSRP: $127.32
$61.32
1
Add To Cart
19355308
SENSOR, HEATED OXYGEN(POSITION #3/POST CONVERTER)
MSRP: $127.32
$61.32
1
Add To Cart
19178958
SENSOR, HEATED OXYGEN(POSITION #1/IN EXHAUST MANIFOLD)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $122.36
$58.92
1
Add To Cart

FLANGE, Exhaust Pipe
1647559
FLANGE, EXHAUST MANIFOLD PIPE
Fitting Vehicle Options:
KS,KY, KD
3545517
FLANGE, EXHAUST MANIFOLD PIPE
- Fitting Vehicle Options:
  KS,KY
3545517
FLANGE, EXHAUST MANIFOLD PIPE(PART OF 14)
- Fitting Vehicle Options:
  KD

11561601
STUD, Exhaust Pipe, STUD,EXHAUST MANIFOLD PIPE
MSRP: $7.41
$4.96
1
Add To Cart

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

PIPE, Exhaust Pipe
12564240
PIPE, EXHAUST MANIFOLD FRONT
Fitting Vehicle Options:
K
MSRP: $89.73
$60.02
1
Add To Cart
12564240
PIPE, EXHAUST MANIFOLD FRONT(INCLUDES 12)
- Fitting Vehicle Options:
  K
MSRP: $89.73
$60.02
1
Add To Cart
12557389
PIPE, EXHAUST MANIFOLD REAR(W/BOSS FOR OXYGEN SENSOR MOUNTING)(FOR 2ND DESIGN SEE 12561555)
- Fitting Vehicle Options:
  KS,KY(1ST DES)
12560500
PIPE, EXHAUST MANIFOLD REAR(W/O BOSS FOR OXYGEN SENSOR MOUNTING)(FOR 1ST DESIGN SEE 3544526)
- Fitting Vehicle Options:
  KD(2ND DES)
12561555
PIPE, EXHAUST MANIFOLD REAR(W/O BOSS FOR OXYGEN SENSOR MOUNTING)(FOR 1ST DESIGN SEE 12557389)
- Fitting Vehicle Options:
  KS,KY(2ND DES)
3544526
PIPE, EXHAUST MANIFOLD REAR(W/BOSS FOR OXYGEN SENSOR MOUNTING)(FOR 2ND DESIGN SEE 12560500)
- Fitting Vehicle Options:
  KD(1ST DES)

20713262
NUT, Computer Control Sensors, NUT,OXYGEN SENSOR SHIELD(CENTER)(12.183)
- Require Quantity:
  03
- Package Quantity:
  1
MSRP: $6.43
$4.30
1
Add To Cart

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

MUFFLER, Exhaust
25670397
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 40)(SINGLE OULET WITH DUAL STAINLESS STEEL TIPS)
Location:
Driver Side
Fitting Vehicle Options:
KS
MSRP: $539.68
$355.12
1
Add To Cart
25640096
MUFFLER, EXHAUST(W/TAIL PIPE)(ALSO PART OF 1)(#3 REQUIRED)(W/O RESONATOR & EXHAUST PIPE)
- Location:
  Passenger Side
- Fitting Vehicle Options:
  KD
25670396
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 40)
- Location:
  Passenger Side
- Fitting Vehicle Options:
  KS
25670398
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 40)(SINGLE OULET WITH DUAL STAINLESS STEEL TIPS)
- Location:
  Passenger Side
- Fitting Vehicle Options:
  KY
25683074
MUFFLER, EXHAUST(W/TAIL PIPE)(#3 REQUIRED)
- Location:
  Driver Side
- Fitting Vehicle Options:
  KD
25683077
MUFFLER, EXHAUST(W/RESONATOR,EXHAUST & TAIL PIPE)(INCLUDES 5)
- Location:
  Passenger Side
- Fitting Vehicle Options:
  KD(LD8,L37)
88959317
MUFFLER, EXHAUST(W/CLTC CONVERTER,EXHAUST & TAIL PIPE)(INCLUDES 20,26,28-30,32-34,37,39,42)(TOGETHER WITH 88959311 & 88959312)
- Fitting Vehicle Options:
  KS,KY(EXC NM8)
88959317
MUFFLER, EXHAUST(W/CLTC CONVERTER,EXHAUST & TAIL PIPE)(INCLUDES 20,26,28-30,32-34,37,39,41-43)(TOGETHER WITH 88959311 & 88959312)
- Fitting Vehicle Options:
  KS,KY(EXC NM8)
88959319
MUFFLER, EXHAUST(W/CLTC CONVERTER,EXHAUST & TAIL PIPE)(INCLUDES 20,26,28-30,32-34,37,39,42)(TOGETHER WITH 88959305 & 88959306)
- Fitting Vehicle Options:
  KY(NM8)(EXPORT)
88959319
MUFFLER, EXHAUST(W/CLTC CONVERTER,EXHAUST & TAIL PIPE)(INCLUDES 20,26,28-30,32-34,37,39,41-43)(TOGETHER WITH 88959305 & 88959306)
- Fitting Vehicle Options:
  KY(NM8)(EXPORT)
88959327
MUFFLER, EXHAUST(W/CLTC CONVERTER,EXHAUST & TAIL PIPE)(INCLUDES 20,26,28-30,32-34,37,39,42)(TOGETHER WITH 88959311 & 88959312)
- Fitting Vehicle Options:
  KS
88959327
MUFFLER, EXHAUST(W/CLTC CONVERTER,EXHAUST & TAIL PIPE)(INCLUDES 20,26,28-30,32-34,37,39,41-43)(TOGETHER WITH 88959311 & 88959312)
- Fitting Vehicle Options:
  KS

MUFFLER, Exhaust Tail Pipe
25670397
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 40)(SINGLE OULET WITH DUAL STAINLESS STEEL TIPS)(3.701)
Location:
Driver Side
Fitting Vehicle Options:
KS
MSRP: $539.68
$355.12
1
Add To Cart
25670396
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 40)(3.701)
- Location:
  Passenger Side
- Fitting Vehicle Options:
  KS
25670398
MUFFLER, EXHAUST(W/TAIL PIPE)(PART OF 40)(SINGLE OULET WITH DUAL STAINLESS STEEL TIPS)(3.701)
- Location:
  Passenger Side
- Fitting Vehicle Options:
  KY

25687438
INSULATOR, Exhaust Tail Pipe, INSULATOR,EXHAUST TAIL PIPE HANGER(PART OF 40)
MSRP: $10.10
$9.36
1
Add To Cart

BOLT, Exhaust Pipe
3535128
BOLT, EXHAUST MANIFOLD REAR PIPE
Fitting Vehicle Options:
KS,KY
Require Quantity:
02
Package Quantity:
1
MSRP: $11.96
$8.71
1
Add To Cart
3535128
BOLT, EXHAUST MANIFOLD REAR PIPE
- Fitting Vehicle Options:
  KD
MSRP: $11.96
$8.71
1
Add To Cart

3549184
SHIELD, Exhaust Pipe, SHIELD,EXHAUST PIPE HEAT
MSRP: $73.04
$23.41
1
Add To Cart

EXTENSION KIT, Exhaust Tail Pipe
88959311
EXTENSION KIT, EXHAUST TAIL PIPE(TOGETHER WITH 88959327 & 88959312)
Location:
Passenger Side
MSRP: $339.17
$225.84
1
Add To Cart
88959312
EXTENSION KIT, EXHAUST TAIL PIPE(TOGETHER WITH 88959327 & 88959311)
- Location:
  Driver Side
MSRP: $275.86
$248.22
1
Add To Cart

10062892
CLAMP, Exhaust System Attaching, CLAMP,EXHAUST MUFFLER(REQUIRED W/4 & 5)(2.0")
- Require Quantity:
  02
- Package Quantity:
  1

12556488
MANIFOLD, Engine Exhaust Manifold, MANIFOLD,EXHAUST
- Location:
  Driver Side

CONVERTER, Catalytic Converter
25314806
CONVERTER, WARM UP 3WAY CATALYTIC
Fitting Vehicle Options:
KD(EXC NM8)
25314808
CONVERTER, CATALYTIC (NON-FUNCTIONAL)
- Fitting Vehicle Options:
  KD(LD8,L37,NM8)(EXPORT)

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

RIVET
25634464
RIVET, CATALYTIC CONVERTER HEAT SHIELD(POP,OPEN END,15.88 OUTSIDE DIAMETER HEAD,4.75 OUTSIDE DIAMETER X 11.05 LG SHANK,1.19-6.4)
Require Quantity:
08
Package Quantity:
1
25634464
RIVET, OXYGEN SENSOR WIRING HARNESS SHIELD(POP,OPEN END,15.88 OUTSIDE DIAMETER HEAD,4.75 OUTSIDE DIAMETER X 11.05 LG SHANK,1.19-6.4)
- Require Quantity:
  04
- Package Quantity:
  1

BRACKET, Exhaust Muffler/Resonator
25640545
BRACKET, EXHAUST MUFFLER REAR HANGER UPPER
Require Quantity:
02
Package Quantity:
1
25711980
BRACKET, EXHAUST MUFFLER REAR HANGER
- Require Quantity:
  02
- Package Quantity:
  1

SHIELD, Catalytic Converter
25657568
SHIELD, CATALYTIC CONVERTER & EXHAUST MUFFLER HEAT
Fitting Vehicle Options:
KS,KY
3549165
SHIELD, CATALYTIC CONVERTER HEAT(CONVERTER FRONT)
- Fitting Vehicle Options:
  KD
3549183
SHIELD, CATALYTIC CONVERTER HEAT(REAR)
- Fitting Vehicle Options:
  KD

SHIELD, Chassis/Engine Wiring Harness

25660380
SHIELD, OXYGEN SENSOR WIRING HARNESS
25678811
SHIELD, OXYGEN SENSOR WIRING HARNESS(CENTER)

3532946
BRACKET, Exhaust Tail Pipe, BRACKET,EXHAUST MUFFLER REAR HEAT SHIELD(3.704)

3549187
SHIELD, Exhaust Tail Pipe, SHIELD,EXHAUST MUFFLER HEAT(COMPARTMENT PANEL)

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
MSRP: $7.19
$4.57
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
MSRP: $1.14
$0.74
10
Add To Cart

11515758
BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(REAR BUMPER ENERGY ABS)
MSRP: $1.81
$1.15
10
Add To Cart

11570097
NUT, U-TYPE,M6X1, 21.4X15, 11.7 C/E, SAE 1050 STEEL,GMW3359.(EXHAUST MUFFLER HEAT SHIELD)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $9.16
$5.82
1
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
MSRP: $4.30
$2.73
12
Add To Cart

10272735
WASHER, M8,20.4 O.D.,2.5THK,STEEL,CADMIUM/ZINC COATED (DIPPED OR PLATED)(CATALYTIC CONVERTER HEAT SHIELD)(8.929)
- Require Quantity:
  06
- Package Quantity:
  1
MSRP: $6.28
$3.98
1
Add To Cart

10272735
WASHER, M8,20.4 O.D.,2.5THK,STEEL,CADMIUM/ZINC COATED (DIPPED OR PLATED)(EXHAUST PIPE HEAT SHIELD)(8.929)
- Require Quantity:
  04
- Package Quantity:
  1
MSRP: $6.28
$3.98
1
Add To Cart

15714277
SCREW, W/WASHER AND SLR,M4.2X1.41X13,5.4THD,12.5 O.D.,SELF TAP,ZINC COATED(OXYGEN SENSOR WIRING HARNESS HEAT SHIELD)
- Require Quantity:
  03
- Package Quantity:
  1
MSRP: $6.91
$4.38
1
Add To Cart

11503957
NUT, U,M6X1,MULTI THREAD,.8-4.0 PANEL THICK,PH(EXHAUST PIPE HEAT SHIELD)
- Require Quantity:
  04
- Package Quantity:
  10
MSRP: $3.87
$2.46
10
Add To Cart

11516477
BOLT, HEX WASHER HEAD,M6X1X13,13.2 OUTSIDE DIAMETER,6202M,7114M,TAP,TRIM-POINT(EXHAUST PIPE HEAT SHIELD)
- Require Quantity:
  04
- Package Quantity:
  1
MSRP: $14.95
$13.05
1
Add To Cart

11516477
BOLT, HEX WASHER HEAD,M6X1X13,13.2 OUTSIDE DIAMETER,6202M,7114M,TAP,TRIM-POINT(CATALYTIC CONVERTER H/SHIELD)
- Require Quantity:
  06
- Package Quantity:
  1
MSRP: $14.95
$13.05
1
Add To Cart

11515793
BOLT, HEX FLANGED HEAD(EXHAUST MANIFOLD FRONT PIPE BRACKET)
MSRP: $6.20
$3.94
1
Add To Cart

11515793
BOLT, HEX FLANGED HEAD(EXHAUST MANIFOLD REAR PIPE)
- Fitting Vehicle Options:
  KS,KY, KD
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $6.20
$3.94
1
Add To Cart

11515793
BOLT, HEX FLANGED HEAD(EXHAUST MANIFOLD FRONT PIPE)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $6.20
$3.94
1
Add To Cart

11518593
BOLT, TORX,PAN HEAD,W/ADH,M10X1.5X95,10.9,6047M(CATALYTIC CONVERTER SUPPORT)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $6.73
$4.27

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1998 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: 4 DOOR, SLS, STS.