Exhaust System fit your 2003 Pontiac Grand Prix

Currently shopping for

2003 Pontiac Grand Prix

Change Vehicle

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

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

24505057
GASKET, Exhaust Pipe, GASKET,EXHAUST MANIFOLD PIPE(SEAL CATALYTIC CONVERTER (O-RING TYPE.))
$18.77 $11.93
1
Add To Cart

STUD, Exhaust Pipe
10182334
STUD, EXHAUST CROSSOVER PIPE(M8X1.25)
Fitting Vehicle Options: W(LG8)
Require Quantity: 06
Package Quantity: 5
$17.68 $11.89
5
Add To Cart
24576687
STUD, EXHAUST MANIFOLD PIPE(M10X1.5X24 TO M10X1.5X33)
- Fitting Vehicle Options: W
- Require Quantity: 02
- Package Quantity: 10
$22.77 $14.49
10
Add To Cart

10328740
GASKET, Catalytic Converter, GASKET,CATALYTIC CONVERTER(BETWEEN CONVERTER & I-PIPE)(REAR, LARGER GASKET)
$33.02 $22.09
1
Add To Cart

10056770
HANGER, Catalytic Converter, HANGER,CATALYTIC CONVERTER(3.616)
- Require Quantity: 02
- Package Quantity: 1
$28.66 $19.18
1
Add To Cart

10304424
INSULATOR, Exhaust Pipe, INSULATOR,EXHAUST PIPE HANGER BRACKET
$22.11 $14.07
1
Add To Cart

10304424
INSULATOR, Exhaust Muffler/Resonator, INSULATOR,EXHAUST MUFFLER REAR HANGER(3.616)
$22.11 $14.07
1
Add To Cart

19178747
SENSOR, Computer Control Sensors, SENSOR,OXYGEN(POSITION 3)(POST CONVERTER)
- Replaced By: 19355307
$151.86 $80.49
1
Add To Cart

24507946
PIPE, Exhaust Pipe, PIPE,EXHAUST CROSSOVER
$138.79 $102.54
1
Add To Cart

10236641
SHIELD, Exhaust Pipe, SHIELD,EXHAUST CROSSOVER PIPE HEAT

10328743
BRACKET, Exhaust Muffler/Resonator, BRACKET,EXHAUST MUFFLER REAR HANGER(GREEN)
- Location: Passenger Side

10332555
SHIELD, Catalytic Converter, SHIELD,CATALYTIC CONVERTER HEAT

10343185
CONVERTER, Exhaust Pipe, CONVERTER,3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)(3.685)

10343185
CONVERTER, Catalytic Converter, CONVERTER,3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)

25525493
WASHER, Exhaust Pipe, WASHER,EXHAUST CROSSOVER PIPE HEAT SHIELD(SPRING,CUP,5.2X27.0X0.254,4.5 TALL,STAINLESS STEEL,PLAIN)(3.613)
- Require Quantity: 02
- Package Quantity: 1
$6.70 $4.48

11570082
BOLT, HEX FLANGED HEAD,M8X1.25X22,19 THREAD,18 OUTSIDE DIAMETER,10.9,GMW3359(EXHAUST MUFFLER REAR HANGER BRACKET)
- Require Quantity: 02
- Package Quantity: 10
$8.00 $5.08
10
Add To Cart

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

11609746
NUT, HEX FLANGED HEAD,M8X1.25,8.9THK,17.6 O.D.,10 STEEL,GMW3200, PREVENT TORQUE(EXHAUST CROSSOVER PIPE)
- Require Quantity: 06
- Package Quantity: 12
$4.42 $2.67
12
Add To Cart

11516327
BOLT, HEX FLANGED HEAD,M10X1.5X25,22.30 O.D.,HEADER POINT,10.9,7112M(CATALYTIC CONVERTER)
- Require Quantity: 02
- Package Quantity: 10
$4.42 $2.81
10
Add To Cart

11519840
BOLT, HEX FLANGED HEAD,M6X1X12.3,6.3 THREAD,14.2 OUTSIDE DIAMETER,10.9,GMW3359,MACHINE,MAT-POINT(EXHAUST CROSSOVER PIPE HEAT SHIELD)
- Require Quantity: 04
- Package Quantity: 5
$7.10 $4.28
5
Add To Cart

10403362
RIVET, POP,0.188" X 0.625",0.625 O.D.,0.020-0.125"GRIP RANGE,ALUMINUM(CATALYTIC CONVERTER HEAT SHIELD)
- Require Quantity: 04
- Package Quantity: 1

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2003 Pontiac Grand Prix 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: 6 Cyl 3.1L, 6 Cyl 3.8L. Model Code: GT 4 DOOR, GTP 4 DOOR, SE 4 DOOR.