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  2. Pontiac
  3. 1999
  4. Grand Prix
  5. Fuel and exhaust

1999 Pontiac Grand Prix fuel and exhaust parts catalog

Add this car in your garage and make future searches easy.

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12144943
  • Quantity in car: 1
  • Engine wiring
  • Usage: W (L36)

$?

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12161306
  • Quantity in car: 1
  • Engine wiring
  • Usage: W (L67), W (L67)

$?

Add to cart

Retainer, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12176408
  • Quantity in car: 2
  • Engine control module wiring harness connect (blue) (retains 40-way connect)
  • Usage: W (L36), W

$3.47—3.79

Available in 2 shops

Add to cart

Retainer, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12176409
  • Quantity in car: 2
  • Engine control module wiring harness connect (clear) (retains 40-way connect)
  • Usage: W (L36, L82), W

$3.36—3.66

Available in 2 shops

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12189797
  • Quantity in car: 1
  • Engine wiring
  • Usage: W (L36), W (L36)

$?

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12189798
  • Quantity in car: 1
  • Engine wiring
  • Usage: W (L67), W (L67)

$6.00

Available in 1 shop

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12190300
  • Quantity in car: 1
  • Engine wiring (20 way inline connect) (with dark grain lead in cavity a)
  • Usage: W (L36), W (L36)

$?

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12190301
  • Quantity in car: 1
  • Engine wiring (20 way inline connect) (with dark grain lead in cavity a)
  • Usage: W (L67), W (L67)

$?

Add to cart

Sensor, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12569241
  • Quantity in car: 1
  • Manifold absolute pressure
  • Usage: W (L67), WR (L67), WR (L67)

$58.54—61.16

Available in 2 shops

Add to cart

Seal, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12577855
  • Quantity in car: 1
  • Vacuum source manifold (O-ring)
  • Usage: W (L36)

$3.65—6.56

Available in 38 shops

Add to cart

Sensor, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 12614973
  • Quantity in car: 1
  • Usage: W (L36)

$53.41—116.79

Available in 38 shops

Add to cart

Connector, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 15305801
  • Quantity in car: 1
  • Inline-to heated oxygen sensor (with leads) (black) (4-way male)
  • Usage: W

$30.68—64.58

Available in 38 shops

Add to cart

Connector, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 15305891
  • Quantity in car: 1
  • Sensor-manifold absolute pressure (black) (3-way m) (with leads)
  • Usage: W (L67)

$27.31—32.42

Available in 38 shops

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 15329293
  • Quantity in car: 1
  • Engine wiring
  • Usage: W (L36), W (L36)

$?

Add to cart

Harness, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 15329294
  • Quantity in car: 1
  • Engine wiring
  • Usage: W (L67), W (L67)

$?

Add to cart

Sensor, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 19178958
  • Quantity in car: 1
  • Heated oxygen (position 1)
  • Usage: W

$42.63—49.05

Available in 38 shops

Add to cart

Manifold, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 24503488
  • Quantity in car: 1
  • Vacuum source
  • Usage: W (L67)

$5.57—6.87

Available in 38 shops

Add to cart

Seal, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 24503492
  • Quantity in car: 1
  • Vacuum source manifold (O-ring) (o-ring seal-0.864")
  • Usage: W (L67), W (L67)

$3.53—3.97

Available in 2 shops

Add to cart

Manifold, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 24506013
  • Quantity in car: 1
  • Vacuum source (includes seal)
  • Usage: W (L36)

$5.23—5.85

Available in 38 shops

Add to cart

Connector, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 88987997
  • Quantity in car: 1
  • Sensor-manifold absolute pressure (gray) (3-way female) (with leads)
  • Usage: W (L36)

$25.99—53.18

Available in 38 shops

Add to cart

Connector, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 88988598
  • Quantity in car: 1
  • Inline-to heated oxygen sensor (black) (4-way female) (with leads) (square)
  • Usage: W

$37.83—77.35

Available in 38 shops

Add to cart

Sensor, map and oxygen sensors (l36/3.8k, l67/3.8-1)

  • OEM part number: 89052738
  • Quantity in car: 1
  • Manifold absolute pressure (all makes)
  • Usage: WP (L36), WJ69 (L36), WP37 (L36), WP69 (L36)

$44.02

Available in 1 shop

Add to cart

Seal, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 01647558
  • Quantity in car: 1
  • Exhaust crossover pipe
  • Usage: W (L36), W (L67)

$?

Add to cart

Hanger, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10056770
  • Quantity in car: 2
  • Usage: W

$7.66—20.41

Available in 38 shops

Add to cart

Insulator, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10231659
  • Quantity in car: 1
  • Usage: W, W

$3.72—9.75

Available in 38 shops

Add to cart

Insulator RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10231659
  • Quantity in car: 4
  • Exhaust muffler rear hanger
  • Usage: W (NC5), WP, WP, WR

$3.72—9.75

Available in 38 shops

Add to cart

Insulator RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10231659
  • Quantity in car: 2
  • Exhaust muffler rear hanger
  • Usage: WJ

$3.72—9.75

Available in 38 shops

Add to cart

Pipe LH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10243867
  • Quantity in car: 1
  • Exhaust tail (polished finish)
  • Usage: W (NC5), WP, WP, WR

$?

Add to cart

Pipe RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10243868
  • Quantity in car: 1
  • Exhaust tail (polished finish)
  • Usage: W (NC5), WP, WP, WR

$?

Add to cart

Bracket LH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10301946
  • Quantity in car: 1
  • Exhaust muffler rear hanger (reduction)
  • Usage: W (NC5), W, WP, WR

$3.67—13.71

Available in 2 shops

Add to cart

Bracket RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10301947
  • Quantity in car: 1
  • Exhaust muffler rear hanger (green)
  • Usage: W

$0.82

Available in 1 shop

Add to cart

Bracket, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10301948
  • Quantity in car: 1
  • Usage: W

$4.82—6.26

Available in 38 shops

Add to cart

Gasket, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10328740
  • Quantity in car: 1
  • Catalytic converter (between converter & i-pipe) (rear, larger gasket)
  • Usage: W

$4.51—16.01

Available in 38 shops

Add to cart

Rivet, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10403362
  • Quantity in car: 4
  • Pop, 0.188" x 0.625", 0.625 outside diameter, 0.020-0.125"grip range, aluminum (catalytic converter heat shield)
  • Usage: W

$?

Add to cart

Bracket, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10408323
  • Quantity in car: 1
  • Exhaust muffler front hanger bracket
  • Usage: W

$3.85

Available in 1 shop

Add to cart

Insulator, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 10415755
  • Quantity in car: 2
  • Usage: WJ

$?

Add to cart

Bolt, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 11516327
  • Quantity in car: 2
  • Hex flanged head, m10x1.5x25, 22.30 outside diameter, header point, 10.9, 7112m (catalytic converter)
  • Usage: W

$1.46—2.24

Available in 38 shops

Add to cart

Nut, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 11517996
  • Quantity in car: 2
  • Hex flanged head, m10x1.5, 11.2thk, 21.5 outside diameter, 7111m (exhaust manifold pipe)
  • Usage: W

$2.89—3.81

Available in 38 shops

Add to cart

Bolt, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 11570082
  • Quantity in car: 1
  • Hex flanged head, m8x1.25x22, 19 thread, 18 outside diameter, 10.9, gmw3359 (exhaust pipe rear hanger)
  • Usage: W

$0.77—1.20

Available in 38 shops

Add to cart

Bolt, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 11570082
  • Quantity in car: 4
  • Hex flanged head, m8x1.25x22, 19 thread, 18 outside diameter, 10.9, gmw3359 (exhaust muffler rear hanger bracket)
  • Usage: W

$0.77—1.20

Available in 38 shops

Add to cart

Stud, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 11589156
  • Quantity in car: 2
  • Exhaust crossover pipe
  • Usage: W (L67), W (L36)

$3.05—5.62

Available in 38 shops

Add to cart

Muffler RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12455037
  • Quantity in car: 1
  • Usage: WP (L36), W (L36, NC5)

$?

Add to cart

Muffler LH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12455038
  • Quantity in car: 1
  • Exhaust
  • Usage: WP (L36), W (L36, NC5)

$?

Add to cart

Pipe, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12455057
  • Quantity in car: 1
  • Exhaust (4" diameter resonator with intregal heat shield)
  • Usage: WP (L36)

$265.99—271.92

Available in 2 shops

Add to cart

Pipe, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12455057
  • Quantity in car: 1
  • Exhaust (4" diameter resonator with integral heat shield) (when replace a 5" pipe assembly must also order right-hand 12455037 & left-hand 12455038 mufflers)
  • Usage: W (L36, NC5)

$265.99—271.92

Available in 2 shops

Add to cart

Pipe, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12455058
  • Quantity in car: 1
  • Usage: WP (L67), WR (L67), W (L67, NC5)

$?

Add to cart

Muffler RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12456171
  • Quantity in car: 1
  • Usage: WP (L36)

$191.74

Available in 1 shop

Add to cart

Muffler LH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12456172
  • Quantity in car: 1
  • Usage: WP (L36)

$192.31

Available in 1 shop

Add to cart

Muffler RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12456173
  • Quantity in car: 1
  • Usage: WR (L67)

$161.33

Available in 1 shop

Add to cart

Muffler LH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12456174
  • Quantity in car: 1
  • Usage: WR (L67)

$168.74

Available in 1 shop

Add to cart

Muffler RH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12529520
  • Quantity in car: 1
  • Exhaust
  • Usage: W (L67, NC5), WP (L67)

$?

Add to cart

Muffler LH, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 12529521
  • Quantity in car: 1
  • Exhaust
  • Usage: W (L67, NC5), WP (L67)

$?

Add to cart

Gasket, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 15286606
  • Quantity in car: 1
  • Usage: W (L36)
  • A Service Bulletin Applies To This Part Number. Per Gm Service Policies And Procedures, Failure To Follow Bulletin Information May Result In The Rejection Of A Warranty Claim.

$12.84—19.28

Available in 38 shops

Add to cart

Gasket, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 15286606
  • Quantity in car: 1
  • Usage: W (L67)

$12.84—19.28

Available in 38 shops

Add to cart

Clamp, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 15973623
  • Quantity in car: 2
  • Exhaust muffler inlet pipe (saddle type) (fits 50.80mm/2" pipe)
  • Usage: W (L36, L67), WP (L36), WR (L67)

$12.67—14.84

Available in 38 shops

Add to cart

Sensor, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 19178924
  • Quantity in car: 1
  • Heated oxygen
  • Usage: W

$47.12—52.68

Available in 38 shops

Add to cart

Shield, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 21994154
  • Quantity in car: 1
  • Usage: W

$34.33—60.60

Available in 38 shops

Add to cart

Bolt, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24501847
  • Quantity in car: 2
  • Exhaust crossover pipe flange (to left exhaust manifold) (m8x1.25x44)
  • Usage: W (L36, L67)

$3.05—4.93

Available in 38 shops

Add to cart

Bolt, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24501847
  • Quantity in car: 2
  • Exhaust crossover pipe flange (m8x1.25x44)
  • Usage: W (L36)

$3.05—4.93

Available in 38 shops

Add to cart

Bolt, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24501847
  • Quantity in car: 2
  • Exhaust crossover pipe flange (spcgr to lower) (m8x1.25x44)
  • Usage: W (L36)

$3.05—4.93

Available in 38 shops

Add to cart

Pipe, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24503125
  • Quantity in car: 1
  • Exhaust crossover (with heat shield) (complete assembly)
  • Usage: W (L36), W (L67)

$211.39—363.99

Available in 38 shops

Add to cart

Converter, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24507340
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: W (L67, NB7, NC1)

$?

Add to cart

Converter, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24508097
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: W (L36, NF2)

$746.94—825.34

Available in 2 shops

Add to cart

Converter, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24508098
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: W (L36, NB7, NC1)

$1.57

Available in 1 shop

Add to cart

Converter, exhaust system (l36/3.8k, l67/3.8-1, nc5)

  • OEM part number: 24508101
  • Quantity in car: 1
  • Three way catalytic (with exhaust manifold pipe)
  • Usage: W (L67)

$?

Add to cart

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