Hoses & Pipes/Heater fit your 1999 Pontiac Grand Prix

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1999 Pontiac Grand Prix

My Vehicle Change Vehicle

1999 Pontiac Grand Prix

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Front End Sheet Metal, Heater

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

Body Mounting, Air Conditioning, Audio/Entertainment

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Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers

Front Suspension, Steering

Fuel System, Exhaust, Emission System

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

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Recommended

Part No. & Part Description

Price

Part No. &
Part Description

PIPE, Engine Coolant By-Pass
24503423
PIPE, THERMOSTAT BYPASS UPPER(INCLUDES 9)(TO LOWER INTAKE MANIFOLD.)(8.846)
Fitting Vehicle Options:
W(L67), W(L36)
MSRP: $16.69
$10.60
1
Add To Cart
12565082
PIPE, THERMOSTAT BYPASS LOWER(INCLUDES 9,12)
- Fitting Vehicle Options:
  W(L36), W(L67)
MSRP: $6.16
$3.26
5
Add To Cart
12590279
PIPE, THERMOSTAT BYPASS(PART OF LOWER INTAKE)(USE SEALANT 19332211(USA) OR 10953488(CANADA)
- Fitting Vehicle Options:
  W(L82)
MSRP: $56.28
$35.77
1
Add To Cart
24504902
PIPE, THERMOSTAT BYPASS
- Fitting Vehicle Options:
  W(L82)

SEAL, Engine Coolant By-Pass
24502846
SEAL, THERMOSTAT BYPASS PIPE(O RING)(PART OF 11)(SEAL-0.799" INSIDE DIAMETER,0.1.03 X-SECTION DIAMETER)(1.060)
Fitting Vehicle Options:
W(L36,L67)
MSRP: $6.18
$3.28
5
Add To Cart
25537068
SEAL, THERMOSTAT BYPASS PIPE(O RING)(PART OF 10,11)(0.674" INSIDE DIAMETER)(TEFLON COATED)(9.260)
- Fitting Vehicle Options:
  W(L36,L67)
- Require Quantity:
  03
- Package Quantity:
  10
MSRP: $2.45
$1.30
10
Add To Cart
10189205
SEAL, THERMOSTAT BYPASS PIPE ADAPTER (O RING)(YELLOW)
- Fitting Vehicle Options:
  W(L82)
MSRP: $14.42
$7.64
1
Add To Cart

11570616
CLAMP, Heater, CLAMP,HEATER INLET HOSE(PART OF 18)(27 NOMINAL DIAMETER)(8.948)
MSRP: $7.19
$4.57
1
Add To Cart

TENSIONER, Engine Cooling
12590766
TENSIONER, DRIVE BELT(INCLUDES INLET/OUTLET PORTS)(INCLUDES PULLEY)
Fitting Vehicle Options:
W(L67), W(L36)
MSRP: $283.58
$162.95
1
Add To Cart
12564506
TENSIONER, DRIVE BELT(TO RH ENGINE MOUNTING BRACKET)(LESS INLET/OUTLET PORTS)(P/N STAMPED ON PULLEY)
- Fitting Vehicle Options:
  W(L67)
MSRP: $121.00
$105.98
1
Add To Cart

SEAL, Heater
24502375
SEAL, HEATER INLET & OUTLET PIPE (O-RING)(PART OF 6)(0.862"INSIDE DIAMETER,O.103"X-SEC)
Fitting Vehicle Options:
W(L36,L67)
Require Quantity:
02
Package Quantity:
1
MSRP: $8.20
$4.35
1
Add To Cart
24504709
SEAL, HEATER INLET PIPE ADAPTER (O RING)(PART OF 14)(OUTER DIAMETER 0.549" INNER DIAMETER 0.103" X-SECTION DIAMETER)(3.337)
- Fitting Vehicle Options:
  W(L82)
MSRP: $5.02
$2.80
10
Add To Cart

24506322
ADAPTER, Heater, ADAPTER,HEATER INLET & OUTLET PIPE(INCLUDES 8)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $33.31
$21.16
1
Add To Cart

10070107
VALVE, Engine Air Cooling Control, VALVE,ENGINE COOLANT AIR BLEED
MSRP: $18.78
$9.95
1
Add To Cart

10182356
HOSE, Engine Coolant By-Pass, HOSE,THERMOSTAT BYPASS
MSRP: $22.53
$15.07
1
Add To Cart

14103956
NUT, Heater, NUT,HEATER INLET & OUTLET HOSE CLIP BRACKET(5 X 1.6)(PAL NUT)(2.575)
MSRP: $2.88
$1.83
20
Add To Cart

24506266
PIPE, Heater, PIPE,HEATER INLET(INCLUDES 13)
MSRP: $78.82
$43.94
1
Add To Cart

10261790
BRACKET, Heater, BRACKET,HEATER INLET & OUTLET HOSE CLIP

HOSE, Heater
10427568
HOSE, HEATER INLET(INCLUDES 4)
Fitting Vehicle Options:
W(L36,L67)
10427571
HOSE, HEATER OUTLET(INCLUDES 3)
- Fitting Vehicle Options:
  W(L36,L67)
10427572
HOSE, HEATER OUTLET(INCLUDES 2)
- Fitting Vehicle Options:
  W(L82)

24507801
STUD, STUD,FUEL FEED & RETURN PIPE CLIP(M10X1.5X16MM)

11517996
NUT, HEX FLANGED HEAD,M10X1.5,11.2 THICK,21.5 OUTSIDE DIAMETER,10,7111M,ALL METAL PREVENT TORQUE(THERMOSTAT BYPASS PIPE CLIP)
MSRP: $7.19
$4.57
1
Add To Cart

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(THERMOSTAT BYPASS PIPE CLIP)(8.915)
MSRP: $7.01
$4.03
1
Add To Cart

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(8.915)
MSRP: $7.01
$4.03
1
Add To Cart

11561025
BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(THERMOSTAT BYPASS PIPE)
MSRP: $8.90
$5.65
1
Add To Cart

11561025
BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(HEATER INLET & OUTLET PIPE)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $8.90
$5.65
1
Add To Cart

11570616
CLAMP, SPRINGBAND, 27 NOMINAL DIAMETER, 15 THICK, STEEL, ROBO(PART OF 2)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $7.19
$4.57
1
Add To Cart

11570383
CLAMP, SPRINGBAND,24 NOMINAL DIAMETER, 15 THICK, STEEL, GMW14083(HEATER OUTLET PIPE)(PART OF 1)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $12.10
$8.55
1
Add To Cart

11570383
CLAMP, SPRINGBAND,24 NOMINAL DIAMETER, 15 THICK, STEEL, GMW14083(PART OF 18)
MSRP: $12.10
$8.55
1
Add To Cart

11570383
CLAMP, SPRINGBAND,24 NOMINAL DIAMETER, 15 THICK, STEEL, GMW14083(PART OF 1)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $12.10
$8.55
1
Add To Cart

1470030
CLAMP, WORM TYPE(11/16" TO 1 5/16")(THERMOSTAT BYPASS PIPE)
- Require Quantity:
  02
- Package Quantity:
  1
- Replaced By:
  11610236
MSRP: $7.19
$4.35
1
Add To Cart

11517518
BOLT, HEX FLANGED HEAD,M6X1X20,17.9 THREAD,14.2 O.D.,9.8,TIN ZINC(THERMOSTAT BYPASS PIPE)
MSRP: --
$12.60
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1999 Pontiac Grand Prix parts. Parts like Hoses & Pipes/Heater 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.