Part No. & Part Description
Price & Qty.
Part No. &
Part Description
24505057GASKET, EXHAUST MANIFOLD PIPE(SEAL CATALYTIC CONVERTER (O-RING TYPE.))
- Fitting Vehicle Options: W(L82)
15286606GASKET, EXHAUST MANIFOLD PIPE
- Fitting Vehicle Options: W(L67), W(L36)
SENSOR, Computer Control Sensors
19178747SENSOR, OXYGEN(POSITION 3)(POST CONVERTER)
- Fitting Vehicle Options: W(L67,L82), W(L36)
- Replaced By: 19355307
24501847BOLT, Exhaust Pipe, BOLT,EXHAUST CROSSOVER PIPE FLANGE(TO LEFT EXHAUST MANIFOLD)(M8X1.25X44)(3.275)
- Require Quantity: 02
- Package Quantity: 1
10182334STUD, EXHAUST CROSSOVER PIPE(M8X1.25)
- Fitting Vehicle Options: W(L82)
- Require Quantity: 06
- Package Quantity: 5
24576687STUD, EXHAUST MANIFOLD PIPE(M10X1.5X24 TO M10X1.5X33)
- Fitting Vehicle Options: W
- Require Quantity: 02
- Package Quantity: 10
11589156STUD, EXHAUST CROSSOVER PIPE
- Fitting Vehicle Options: W(L67), W(L36)
- Require Quantity: 02
- Package Quantity: 1
12456173MUFFLER, EXHAUST
- Location: Passenger Side
- Fitting Vehicle Options: WR(L67)
12456174MUFFLER, EXHAUST
- Location: Driver Side
- Fitting Vehicle Options: WR(L67)
10414980MUFFLER, EXHAUST(W/EXHAUST PIPE & TAIL PIPE)
- Fitting Vehicle Options: W(L82)
10437906MUFFLER, EXHAUST(W/EXHAUST PIPE & TAIL PIPE)
- Fitting Vehicle Options: WJ(L36)
12456171MUFFLER, EXHAUST
- Location: Passenger Side
- Fitting Vehicle Options: WP(L36)
12456172MUFFLER, EXHAUST
- Location: Driver Side
- Fitting Vehicle Options: WP(L36)
INSULATOR, Exhaust Muffler/Resonator
10231659INSULATOR, EXHAUST MUFFLER REAR HANGER(3.616)
- Location: Passenger Side
- Fitting Vehicle Options: WJ
- Require Quantity: 02
- Package Quantity: 1
10231659INSULATOR, EXHAUST MUFFLER REAR HANGER(3.616)
- Location: Passenger Side
- Fitting Vehicle Options: WP,WR
- Require Quantity: 04
- Package Quantity: 1
10415755INSULATOR, EXHAUST MUFFLER REAR HANGER
- Fitting Vehicle Options: WJ
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 10231659
24503125PIPE, EXHAUST CROSSOVER(W/HEAT SHIELD)(COMPLETE ASM)(STAINLESS STEEL)
- Fitting Vehicle Options: W(L36), W(L67)
24503125PIPE, EXHAUST CROSSOVER(W/HEAT SHIELD)(STAINLESS STEEL)
- Fitting Vehicle Options: W(L36)
24507946PIPE, EXHAUST CROSSOVER
- Fitting Vehicle Options: W(L82)
12455057PIPE, EXHAUST(4" DIAMETER RESONATOR W/INTREGAL HEAT SHIELD)
- Fitting Vehicle Options: WP(L36)
BRACKET, Exhaust Muffler/Resonator
10408323BRACKET, EXHAUST MUFFLER FRONT HANGER BRACKET
- Fitting Vehicle Options: W
10301946BRACKET, EXHAUST MUFFLER REAR HANGER(RED)
- Location: Driver Side
- Fitting Vehicle Options: WP,WR
10301947BRACKET, EXHAUST MUFFLER REAR HANGER(GREEN)
- Location: Passenger Side
- Fitting Vehicle Options: W
10403362RIVET, Catalytic Converter, 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
CONVERTER, Catalytic Converter
12563201CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L82,NB7)
24508097CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L36,NF2)
24508098CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L36,NB7,NC1)
24508101CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L67,NF2)
24508102CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L82,NF2)
24508097CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L36,NF2)
24508098CONVERTER, 3WAY CATALYTIC(W/EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W(L36,NB7,NC1)
Standard Parts
11570082BOLT, HEX FLANGED HEAD,M8X1.25X22,19 THREAD,18 OUTSIDE DIAMETER,10.9,GMW3359(EXHAUST MUFFLER REAR HANGER BRACKET)
- Fitting Vehicle Options: W
- Require Quantity: 04
- Package Quantity: 10
11570082BOLT, HEX FLANGED HEAD,M8X1.25X22,19 THREAD,18 OUTSIDE DIAMETER,10.9,GMW3359(EXHAUST PIPE REAR HANGER)
- Fitting Vehicle Options: W,
11570082BOLT, HEX FLANGED HEAD,M8X1.25X22,19 THREAD,18 OUTSIDE DIAMETER,10.9,GMW3359(EXHAUST MUFFLER REAR HANGER BRACKET)
- Require Quantity: 02
- Package Quantity: 10
11517996NUT, HEX FLANGED HEAD,M10X1.5,11.2 THICK,21.5 OUTSIDE DIAMETER,10,7111M,ALL METAL PREVENT TORQUE(EXHAUST MANIFOLD PIPE)
- Fitting Vehicle Options: W,
- Require Quantity: 02
- Package Quantity: 1
11609746NUT, 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
11516327BOLT, HEX FLANGED HEAD,M10X1.5X25,22.30 O.D.,HEADER POINT,10.9,7112M(CATALYTIC CONVERTER)
- Fitting Vehicle Options: W,
- Require Quantity: 02
- Package Quantity: 10
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1999
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 2 DOOR, GT 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, SE 4 DOOR.