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  1. Home
  2. GMC Trucks
  3. 2003
  4. Sierra 3500 4WD (New Style)
  5. Electrical

2003 GMC Trucks Sierra 3500 4WD (New Style) electrical parts catalog

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Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306210
  • Quantity in car: 1
  • Inline-to instrument panel harness (gray) (24-way female) (without leads) (with terminal retainers)
  • Usage: CK1, 2, 3 (UQ7) (EXC Y91)

$18.35—19.73

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306231
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (UQ7) (EXC Y91)

$11.78—13.26

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306371
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$62.19—72.25

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15317325
  • Quantity in car: 2
  • Usage: CK1, 2, 3

$4.73—5.93

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15317325
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$4.73—5.93

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15326829
  • Quantity in car: 1
  • Usage: CK2, 3 (LB7, L18, ML6, M74), CK3 (LB7, L18, LLY, ML6, M74)

$4.72—8.30

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15326833
  • Quantity in car: 1
  • Inline-to instrument panel harness (black) (6-way male) (without leads)
  • Usage: CK1, 2, 3 (03-43-53)

$3.18—3.56

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19151490
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$11.94—21.41

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88986252
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (YE9)

$146.25—258.15

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88986267
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$138.83—239.05

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88987501
  • Quantity in car: 1
  • Usage: K1, 2, 3, K2, 3 (NP1)

$3.14—3.53

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88987519
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (03-43-53) (L18, LU3, LBZ, LLY, LQ4, LQ9, LR4, L59, LM7, L33)

$3.28—3.69

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12085669
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (03-43-53)

$21.67—23.85

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12085492
  • Quantity in car: 1
  • Inline-to instrument panel harness (from transfer case) (black) (3-way female) (with leads)
  • Usage: K1, 2, 3 (NP1, NP8)

$24.96—51.05

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12101852
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (EXC YE9)

$37.79—40.65

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12101854
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (EXC YE9)

$37.39—80.96

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12124557
  • Quantity in car: 1
  • Inline-to instrument panel harness (4-way male)
  • Usage: CK1, 2, 3 (UQ3, UQ5)

$3.07—3.30

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12129135
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (UQ7) (EXC Y91)

$3.22—3.55

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306039
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (EXC HP2)

$13.26—67.45

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88987502
  • Quantity in car: 1
  • Inline-to instrument panel harness (from transfer case wiring)
  • Usage: CK1, 2, 3 (NP1, NP8)

$164.26—183.21

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88987998
  • Quantity in car: 2
  • Usage: CK1, 2, 3

$44.80—90.98

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88988944
  • Quantity in car: 1
  • Usage: CK2, 3 (LB7, L18, ML6, M74), CK3 (LB7, L18, LLY, ML6, M74)

$2.54—61.04

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19181245
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$2.37—2.62

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 22724258
  • Quantity in car: 1
  • Inline-to instrument panel harness (black) (12-way female) (without leads) (with tpa & cavity plugs)
  • Usage: CK1, 2, 3 (YE9)

$6.96—7.84

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19153767
  • Quantity in car: 1
  • Inline-to instrument panel harness (black) (24-way female) (without leads)
  • Usage: CK1, 2, 3 (03-43-53) (HP2)

$2.40—4.19

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 13578569
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (HP2)

$14.21—24.96

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88988307
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$15.47—18.97

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12065172
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$4.82—5.18

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12101763
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (03-43-53)

$14.58—15.68

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12117271
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$52.45—105.97

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12167120
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (5X7, 5Y0)

$22.54—46.11

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15326842
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (EXC JL4)

$3.18—3.42

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15326843
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$3.31—6.05

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88953290
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3 (03-43-53)

$166.61—330.08

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19167005
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (JL4)

$17.48—19.32

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306125
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$41.88—47.12

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12167120
  • Quantity in car: 1
  • Block-accessory wiring junction (metri-pack 150) (black) (2-way male) (with leads) (oval)
  • Usage: CK1, 2, 3, CK1, 2, 3 (03-43-53) (LB7, LM7, LQ4, LR4, L18, L59)

$22.54—46.11

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12193906
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$8.36—9.01

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12193907
  • Quantity in car: 1
  • Block-accessory wiring junction (instrument panel harness) (gray) (68-way female) (without leads)
  • Usage: CK1, 2, 3 (03-43-53), CK1, 2, 3 (03-43-53)

$6.07

Available in 1 shop

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12193914
  • Quantity in car: 1
  • Block-accessory wiring junction (black) (32-way female) (without leads)
  • Usage: CK1, 2, 3

$5.64—6.07

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12193916
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$5.64—6.07

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12193929
  • Quantity in car: 1
  • Block-accessory wiring junction (green) (6-way female) (without leads)
  • Usage: CK1, 2, 3, CK1, 2, 3 (43-53) (CF5) (EXC UE1, U01, U2K)

$2.20—2.37

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15305886
  • Quantity in car: 1
  • Block-accessory wiring junction (1 1/8in wide, vertical) (gray) (2-way female) (with leads)
  • Usage: CK1, 2, 3

$19.95—22.17

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15305928
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (03-43-53) (LQ4, LB7, L18)

$25.30—27.74

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15305951
  • Quantity in car: 2
  • Usage: CK1, 2, 3 (03-43-53)

$17.20—20.50

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306105
  • Quantity in car: 1
  • Block-accessory wiring junction (cream) (6 way female) (leads)
  • Usage: CK1, 2, 3

$29.48—34.06

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306106
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (V92, Z82)

$30.72—33.06

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306107
  • Quantity in car: 1
  • Block-accessory wiring junction (black) (6-way female) (with leads)
  • Usage: CK1, 2, 3

$30.72—68.22

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306110
  • Quantity in car: 1
  • Block-accessory wiring junction (12-way female) (with leads)
  • Usage: CK1, 2, 3

$39.70—44.67

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15306133
  • Quantity in car: 1
  • Block-accessory wiring junction (metri-pack 480) (black) (2-way male) (with leads)
  • Usage: CK1, 2, 3

$19.69—21.19

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 15354732
  • Quantity in car: 1
  • Block-accessory wiring junction (48-way male) (without leads)
  • Usage: CK1, 2, 3 (03-53), CK1, 2, 3 (03-53)

$?

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19115428
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$8.36—9.01

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19167006
  • Quantity in car: 1
  • Block-accessory wiring junction (green) (32-way female) (unsealed) (without leads) (with tpas)
  • Usage: CK1, 2, 3, K2, 3 (03-43-53) (LQ4, L18, VYU) (EXC DF5, 5B5)

$10.02—10.78

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19167007
  • Quantity in car: 1
  • Usage: CK1, 2, 3, CK1, 2, 3

$10.02—17.51

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88986446
  • Quantity in car: 1
  • Block-accessory wiring junction (2-way female) (with leads)
  • Usage: CK1, 2, 3

$47.48—59.51

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 89046825
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$3.56—3.83

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 89046826
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$3.99—4.21

Available in 2 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88988945
  • Quantity in car: 1
  • Block-accessory wiring junction (light gray) (68-way female) (without leads)
  • Usage: CK1, 2, 3, CK1, 2, 3 (03-43-53)

$5.75—10.18

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 19167008
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$37.51—76.69

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12167120
  • Quantity in car: 1
  • Block-accessory wiring junction (black) (2-way male) (with leads) (oval)
  • Usage: CK1, 2, 3 (03-43-53)

$22.54—46.11

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12101855
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (03-43-53) (L18, LQ4, LQ9, LR4, LM7, L33)

$18.55—34.54

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 12116247
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$20.16—25.00

Available in 38 shops

Add to cart

Connector, wiring harness engine (l18/8.1g)

  • OEM part number: 88986255
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$0.39

Available in 1 shop

Add to cart

Harness, wiring harness engine (l31/5.7r)

  • OEM part number: 93441911
  • Quantity in car: 1
  • Engine wiring (used with exhaust gas recirculation valve)
  • Usage: C360 (03) (L31) (EXPORT)

$?

Add to cart

Harness, wiring harness engine (l31/5.7r)

  • OEM part number: 94665911
  • Quantity in car: 1
  • Engine wiring
  • Usage: C360 (03) (L31) (EXPORT)

$?

Add to cart

Nut, wiring harness engine (l31/5.7r)

  • OEM part number: 15735328
  • Quantity in car: 1
  • Engine wiring harness ground
  • Usage: C1, 3 (LU3, L31)

$3.39—5.27

Available in 38 shops

Add to cart

Harness, wiring harness engine (l31/5.7r)

  • OEM part number: 93442018
  • Quantity in car: 1
  • Usage: C360 (03) (L31, JVA, P96) (EXPORT)

$?

Add to cart

Harness, wiring harness engine (l31/5.7r)

  • OEM part number: 94666076
  • Quantity in car: 1
  • Usage: C360 (03) (L31, JVA, P96) (EXPORT)

$?

Add to cart

Bolt, wiring harness engine (l31/5.7r)

  • OEM part number: 11514623
  • Quantity in car: 1
  • Hexagon with conical washer, m6x1x20 (engine wiring harness clip)

$0.83—1.33

Available in 38 shops

Add to cart

Nut, wiring harness engine (l31/5.7r)

  • OEM part number: 11502848
  • Quantity in car: 1
  • Hexagon style m5x.8x4.45 (engine wiring harness start mtr. lead)

$0.70—0.94

Available in 38 shops

Add to cart

Bolt, wiring harness engine (l31/5.7r)

  • OEM part number: 11561048
  • Quantity in car: 1
  • Hexagon with flat washer-3/8-16x.625, .82 outside diameter, gm275 steel, gmw3200 finish (engine wiring harness ground)

$2.38—2.93

Available in 38 shops

Add to cart

Nut, wiring harness engine (l31/5.7r)

  • OEM part number: 03530297
  • Quantity in car: 1
  • Hex flanged head, m6x1, 5.85thk, 14.2 outside diameter, 10, zor (engine wiring harness bracket)

$?

Add to cart

Bracket, wiring harness engine (l31/5.7r)

  • OEM part number: 93430164
  • Quantity in car: 1
  • Engine wiring harness
  • Usage: C360 (03) (L31, M96) (EXPORT)

$?

Add to cart

Bracket, wiring harness engine (l31/5.7r)

  • OEM part number: 93430165
  • Quantity in car: 1
  • Engine wiring harness (rear)
  • Usage: C3 (L31) (EXPORT)

$?

Add to cart

Stud, wiring harness engine (l31/5.7r)

  • OEM part number: 11610394
  • Quantity in car: 1
  • Engine wiring harness bracket
  • Usage: C1, 3 (LU3, L31)

$2.61—3.77

Available in 38 shops

Add to cart

Wire, spark plug wiring (l18/8.1g)

  • OEM part number: 12192436
  • Quantity in car: 8
  • Spark plug (style 12hhh, 7mm diameter, 12in)
  • Usage: CK2, 3 (L18)

$18.89

Available in 1 shop

Add to cart

Wire, spark plug wiring (l18/8.1g)

  • OEM part number: 88984270
  • Quantity in car: 8
  • Spark plug (style 12hhh, 7mm diameter, 12in long)
  • Usage: CK2, 3 (L18)

$12.89—14.51

Available in 2 shops

Add to cart

Clip, spark plug wiring (l18/8.1g)

  • OEM part number: 88891792
  • Quantity in car: 2
  • Spark plug wire (use on cylinder #1&3/5&7) (4 lead spark plug retainer)
  • Usage: CK2, 3 (L18)

$1.03—1.12

Available in 2 shops

Add to cart

Clip, spark plug wiring (l18/8.1g)

  • OEM part number: 88891792
  • Quantity in car: 2
  • Spark plug wire (4 lead spark plug retainer)
  • Usage: CK2, 3 (03-43-53) (L18)

$1.03—1.12

Available in 2 shops

Add to cart

Shield, spark plug wiring (l18/8.1g)

  • OEM part number: 15336959
  • Quantity in car: 8
  • Spark plug wire
  • Usage: CK2, 3 (L18)

$4.48—5.04

Available in 2 shops

Add to cart

Spark plug, spark plug wiring (l18/8.1g)

  • OEM part number: 12578277
  • Quantity in car: 8
  • (platinum plug)
  • Usage: CK2, 3 (L18)

$5.53—5.60

Available in 2 shops

Add to cart

Wire kit, spark plug wiring (l18/8.1g)

  • OEM part number: 88892832
  • Quantity in car: 1
  • Spark plug (contains 8 spark plug wires, style 12hhh, 7mm diameter, 12in long)
  • Usage: CK2, 3 (L18)

$120.52—125.72

Available in 2 shops

Add to cart

Wire kit, spark plug wiring (l18/8.1g)

  • OEM part number: 88984269
  • Quantity in car: 1
  • Usage: CK2, 3 (L18)

$71.56—74.64

Available in 2 shops

Add to cart

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