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  1. Home
  2. Buick
  3. 2003
  4. Century / Regal
  5. Engine V6

2003 Buick Century / Regal engine v6 parts catalog

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

Bolt, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 25527831
  • Quantity in car: 8
  • Cylinder head (inner) (7/16-14x3.24")
  • Usage: WB (L36), WB, WF, WS (L36)

$3.63—6.96

Available in 38 shops

Add to cart

Gasket, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 25532619
  • Quantity in car: 2
  • Usage: WB (L36), W (L36)

$14.77—24.25

Available in 38 shops

Add to cart

Grommet, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 25534749
  • Quantity in car: 12
  • Valve rocker armature cover bolt
  • Usage: WB (L36), W (L36)

$1.13—1.86

Available in 38 shops

Add to cart

Pinion, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 25536320
  • Quantity in car: 8
  • Cylinder head location (lower row) (dowel 1/4x9x9/16)
  • Usage: WB (L36), WB, WF, WS (L36)

$0.93—2.81

Available in 2 shops

Add to cart

Wire kit, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 88862396
  • Spark plug (all makes)
  • Usage: W (L36), W (L36, L67)

$29.55—41.14

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 88891770
  • Quantity in car: 8
  • Cylinder head (7/16-14x2.34") (outer)
  • Usage: WB (L36), WB, WF, WS (L36)

$4.38—5.34

Available in 38 shops

Add to cart

Seal, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 88891774
  • Quantity in car: 6
  • Intake valve stem oil (standard)
  • Usage: WB (L36), W (L36)

$5.03—6.36

Available in 38 shops

Add to cart

Seal, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 88891775
  • Quantity in car: 6
  • Exhaust valve stem oil (standard)
  • Usage: WB (L36), W (L36)

$5.34—9.24

Available in 38 shops

Add to cart

Cover, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 89017646
  • Quantity in car: 1
  • Spark plug wire
  • Usage: W (L36)

$3.06—3.41

Available in 38 shops

Add to cart

Gasket kit, engine assembly 3.8l v6 cylinder head and related parts (l36/3.8k)

  • OEM part number: 89017814
  • Quantity in car: 1
  • Cylinder head (2 location pins on int-to-block seal) (kit also includes gaskets for cylinder head, intake manifold, valve rocker, seal-intake manifold)
  • Usage: W (L36)

$172.04—328.88

Available in 38 shops

Add to cart

Seal, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 01647558
  • Quantity in car: 1
  • Exhaust crossover pipe
  • Usage: W69 (L36)

$?

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 03530297
  • Quantity in car: 1
  • Engine wiring harness shield (exhaust gas recirculation shield (bracket) to manifold) (m6x1-6h)
  • Usage: W (L36)

$?

Add to cart

Gasket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 05617102
  • Quantity in car: 1
  • Oxygen sensor
  • Usage: W

$?

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 09440227
  • Quantity in car: 10
  • Hex flanged head, 5-16-18x1.25, .66 o.d.hdr point, po intake manifold

$?

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11508476
  • Quantity in car: 1
  • M8x1.25x25 9.8 (exhaust gas recirculation valve adapter pipe)

$0.53—0.70

Available in 38 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11514516
  • Quantity in car: 4
  • Hex flanged head, m6x1, 6thk, 14.2 outside diameter, 9, pzor (fuel injector)

$0.08—3.51

Available in 38 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11514596
  • Quantity in car: 2
  • Hex flanged head, m8x1.25, 17.9 outside diameter, 738 thick, 13mm hexagon, 10, zf (exhaust gas recirculation valve)

$0.17—8.53

Available in 3 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11514596
  • Quantity in car: 2
  • Hex flanged head, m8x1.25, 17.9 outside diameter, 738 thick, 13mm hexagon, 10, zf (fuel injector sight shield bracket)

$0.17—8.53

Available in 3 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11515744
  • Quantity in car: 1
  • Hex flanged head, m12x1.75, 14thk, 25.6 outside diameter, 10, zinc coated (power brake booster heat shield)

$2.82—4.17

Available in 39 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11515767
  • Quantity in car: 2
  • Hex flanged head, m10x1.5x35, 32thd, 22.3 outside diameter, machine, 10.9, 7114m (engine mount strut bracket) (together with 12345493)

$0.55—0.75

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11515768
  • Quantity in car: 1
  • Hex flanged head, reduced body, m10x1.5x40, 30thd, 22.3 outside diameter, header point, 10.9, 7114m (engine mount strut bracket)

$0.54—1.54

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11515771
  • Quantity in car: 1
  • Hex flanged head, reduced body, m10x1.5x55, 30thd, 22.3 outside diameter, 10.9, 7114 (engine mount strut bracket)

$2.89—5.39

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11516327
  • Hex flanged head, m10x1.5x25, 22.30 outside diameter, header point, 10.9, 7112m (engine mount strut bracket)

$1.46—2.24

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11516328
  • Quantity in car: 1
  • Hex flanged head, m10x1.5x30, 22 outside diameter, header point, 10.9, 7114m (exhaust gas recirculation valve adapter)

$1.02—2.18

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11516424
  • Quantity in car: 2

$2.66—4.29

Available in 38 shops

Add to cart

Stud, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11519257
  • Quantity in car: 3
  • Throttle body
  • Usage: W (L36), W (L36)

$2.76—3.09

Available in 38 shops

Add to cart

Stud, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11519257
  • Quantity in car: 3
  • Usage: W (L36)

$2.76—3.09

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11561025
  • Quantity in car: 2
  • Hex flanged head, m6x1x16, 13.5 thread, 14.2 outside diameter, gmw25 steel, gmw3200, machine, header-point (accelerator control cable bracket)

$0.45—0.50

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11561025
  • Quantity in car: 2
  • Hex flanged head, m6x1x16, 13.5 thread, 14.2 outside diameter, gmw25 steel, gmw3200, machine, header-point (throttle body)

$0.45—0.50

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11588364
  • Quantity in car: 1
  • Hex flanged head, m8x1.25x34, 25 thread, 18 outside diameter, 9.8, gmw3359 (exhaust gas recirculation valve adapter pipe)

$2.63—2.77

Available in 2 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11588711
  • Quantity in car: 1
  • Hex flanged head, m6x1x16, 10 thread, 14.2 outside diameter, 8.8 steel, gmw3359 (engine wiring harness bracket)

$0.63—4.63

Available in 39 shops

Add to cart

Stud, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

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

$3.05—5.62

Available in 38 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11609411
  • Quantity in car: 3
  • Hexagon with conical washer, m6x1, 5.7 thick, 16 outside diameter, 9, gmw3200 (throttle body)

$0.35—0.41

Available in 38 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11609746
  • Quantity in car: 2
  • Hex flanged head, m8x1.25, 8.9thk, 17.6 outside diameter, 10 steel, gmw3200, prevent torque (engine mount strut bracket)

$0.94—1.31

Available in 38 shops

Add to cart

Nut, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 11609746
  • Quantity in car: 2
  • Hex flanged head, m8x1.25, 8.9thk, 17.6 outside diameter, 10 steel, gmw3200, prevent torque (exhaust manifold heat shield)

$0.94—1.31

Available in 38 shops

Add to cart

Bracket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12565569
  • Quantity in car: 1
  • Fuel injector sight shield
  • Usage: WB (L36)

$5.85

Available in 1 shop

Add to cart

Gasket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12567275
  • Quantity in car: 1
  • Exhaust gas recirculation valve (between exhaust gas recirculation valve & exhaust gas recirculation bracket)
  • Usage: WB (L36), W (L36, L67)

$2.86—3.54

Available in 38 shops

Add to cart

Adapter, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12567867
  • Quantity in car: 1
  • Usage: WB (L36), W (L36, L67)

$30.26—148.54

Available in 38 shops

Add to cart

Cap, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12573337
  • Quantity in car: 1
  • Usage: WB (L36), W (L36)

$7.70—16.80

Available in 38 shops

Add to cart

Cap, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12573338
  • Quantity in car: 1
  • Usage: WB (L36)

$6.49—13.77

Available in 38 shops

Add to cart

Sensor, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12574218
  • Quantity in car: 1
  • Heated oxygen (position 1)
  • Usage: W (L36, L67)

$51.80

Available in 1 shop

Add to cart

Manifold RH, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12576864
  • Quantity in car: 1
  • Exhaust (stainless)
  • Usage: WB, WF, WS (L36)

$119.70—240.95

Available in 38 shops

Add to cart

Valve, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12576918
  • Quantity in car: 1
  • Exhaust gas recirculation (without gasket) (product 17200271) (gasket 12567275 required)
  • Usage: WB (L36)

$152.05—308.11

Available in 38 shops

Add to cart

Valve, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12576918
  • Quantity in car: 1
  • Exhaust gas recirculation (without gasket) (gasket 12567275 required)
  • Usage: W (L36, L67)

$152.05—308.11

Available in 38 shops

Add to cart

Seal, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

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

$3.65—6.56

Available in 38 shops

Add to cart

Shield, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12578292
  • Quantity in car: 1
  • Usage: WB (L36), W (L36)

$34.95—37.40

Available in 2 shops

Add to cart

Gasket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12580919
  • Quantity in car: 1
  • Throttle body
  • Usage: WB (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.

$15.10—35.12

Available in 38 shops

Add to cart

Gasket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12580920
  • Quantity in car: 1
  • Upper intake manifold (carrier)
  • Usage: W (L36)

$16.50—17.67

Available in 2 shops

Add to cart

Tube, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12584043
  • Quantity in car: 1
  • Usage: W (L36)

$9.17—11.43

Available in 38 shops

Add to cart

Bracket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12587967
  • Quantity in car: 1
  • Fuel injector sight shield
  • Usage: W (L36)

$15.43

Available in 1 shop

Add to cart

Shield RH, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12588277
  • Quantity in car: 1
  • Exhaust manifold heat
  • Usage: W (L36, L67)

$12.33—13.27

Available in 2 shops

Add to cart

Bracket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12593195
  • Quantity in car: 1
  • gen. brace
  • Usage: W (L36), WB (L36)

$4.51—298.32

Available in 38 shops

Add to cart

Bracket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 12610738
  • Quantity in car: 1
  • Engine wiring harness shield
  • Usage: W

$2.83—3.18

Available in 2 shops

Add to cart

Sensor, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

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

$53.41—116.79

Available in 38 shops

Add to cart

Sensor, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 15326386
  • Quantity in car: 1
  • Engine coolant temp (2-way male)
  • Usage: W (L36), WB (L36)

$0.40—58.62

Available in 39 shops

Add to cart

Sensor, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 19178958
  • Quantity in car: 1
  • Usage: W (L36)

$42.63—49.05

Available in 38 shops

Add to cart

Seal, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24100002
  • Quantity in car: 1
  • Usage: W

$0.43

Available in 1 shop

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

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

$3.05—4.93

Available in 38 shops

Add to cart

Stud, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24502332
  • Quantity in car: 1
  • Exhaust manifold (5/16-18x#8 machine thread x 50mm long)
  • Usage: W (L36), W (L36)

$1.77—1.91

Available in 38 shops

Add to cart

Stud, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24502453
  • Quantity in car: 1
  • Intake manifold (stud.6x1x86.8 - 6x1x15)
  • Usage: (L36)

$3.27—3.52

Available in 2 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24503068
  • Quantity in car: 1
  • gen. brace bracket (m10 x 1.5 x 18.7) (cylinder head plug lifter gallery)
  • Usage: W (L36)

$0.51—0.53

Available in 2 shops

Add to cart

Manifold, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24503123
  • Quantity in car: 1
  • Usage: W (L36)

$4.26—4.79

Available in 38 shops

Add to cart

Pipe, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

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

$211.39—363.99

Available in 38 shops

Add to cart

Bracket LH, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24503458
  • Quantity in car: 1
  • Engine mount strut
  • Usage: W (L36), W (L36)

$84.65—103.36

Available in 38 shops

Add to cart

Manifold RH, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24503918
  • Quantity in car: 1
  • Usage: W (L36), WB (L36)

$196.75—213.51

Available in 38 shops

Add to cart

Manifold LH, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24504379
  • Quantity in car: 1
  • Usage: WB (L36), W (L36, L67)

$176.83—219.25

Available in 38 shops

Add to cart

Support, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24504697
  • Quantity in car: 1
  • Throttle body
  • Usage: WB (L36), W (L36)

$0.56—3.49

Available in 2 shops

Add to cart

Shield, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24504857
  • Quantity in car: 1
  • Power brake booster heat (power brake booster heat shield)
  • Usage: W (L36, L67)

$6.13—6.82

Available in 2 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24504922
  • Quantity in car: 1
  • Hex flanged head, torx, with adh, 10x1.5x37.5, 35thd, 17.5 outside diameter, 10.9, 7114m (use with sealer (12345493))

$0.73—1.35

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24504922
  • Quantity in car: 1
  • Hex flanged head, torx, with adh, 10x1.5x37.5, 35thd, 17.5 outside diameter, 10.9, 7114m (evaporative emission canister purge solenoid valve bracket)

$0.73—1.35

Available in 38 shops

Add to cart

Gasket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24505049
  • Quantity in car: 1
  • Engine coolant manifold
  • Usage: WB (L36), W (L36)

$5.37—8.63

Available in 38 shops

Add to cart

Bolt, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24505205
  • Quantity in car: 1
  • Intake manifold (upper to lower hole-intake manifold) (m6x1x86.8 with adhesive)
  • Usage: W (L36)

$4.26—4.57

Available in 2 shops

Add to cart

Stud, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24505733
  • Quantity in car: 4
  • Usage: WB (L36), W (L36, L67)

$2.61—2.75

Available in 2 shops

Add to cart

Manifold, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • 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

Gasket, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24506057
  • Quantity in car: 2
  • Exhaust manifold
  • Usage: WB (L36), W (L36, L67)

$6.80—8.48

Available in 38 shops

Add to cart

Bracket RH, engine assembly 3.8l v6 manifolds and fuel related parts (l36/3.8k)

  • OEM part number: 24506488
  • Quantity in car: 1
  • Engine mount strut (to cylinder head)
  • Usage: WB (L36)

$49.62—73.08

Available in 38 shops

Add to cart

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