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  1. Home
  2. GMC Trucks
  3. 2007
  4. Sierra 3500 HD 4WD (New Style)
  5. Electrical

2007 GMC Trucks Sierra 3500 HD 4WD (New Style) electrical parts catalog

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Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877317
  • Quantity in car: 1
  • Engine wiring (.50 wire gauge)
  • Usage: C310, 314 (LMM, MW7, K76) (EXC PTO), C2, 309 (LMM, MW7, K76)

$359.91—405.00

Available in 2 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877318
  • Quantity in car: 1
  • Engine wiring (body side engine harness to be used in conjuction with 12629647)
  • Usage: K2, 309 (LMM, MW7, KG7, NQF), K310, 314 (LMM, MW7, KG7, NQF) (EXC PTO)

$648.97—919.46

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877320
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, KG7, NQG), K310, 314 (LMM, MW7, KG7, NQG) (EXC PTO)

$788.96—1025.44

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877321
  • Quantity in car: 1
  • Engine wiring (.50 @ circuit #204)
  • Usage: C310, 314 (LMM, MW7, K76, PTO)

$467.37

Available in 1 shop

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877323
  • Quantity in car: 1
  • Engine wiring (.50 @ circuit #204)
  • Usage: K310, 314 (LMM, MW7, K76, NQG, PTO)

$495.56

Available in 1 shop

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877324
  • Quantity in car: 1
  • Engine wiring (.50 @ circuit #204)
  • Usage: K310, 314 (LMM, MW7, K76, NQG) (EXC PTO), K2, 309 (LMM, MW7, K76, NQG)

$409.98—487.59

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877322
  • Quantity in car: 1
  • Engine wiring (.50 @ circuit #204)
  • Usage: K310, 314 (LMM, MW7, K76, NQF, PTO)

$1.00

Available in 1 shop

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877313
  • Quantity in car: 1
  • Engine wiring (.50 wire gauge)
  • Usage: C310, 314 (LMM, MW7, KG7, PTO)

$880.74—1086.03

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 97388992
  • Quantity in car: 1
  • Usage: CK2, 3 (LMM)

$86.65—154.85

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 98020675
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LMM)

$1334.03—1384.96

Available in 36 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25877319
  • Quantity in car: 1
  • Engine wiring (.50 wire gauge)
  • Usage: K2, 309 (LMM, MW7, K76, NQF), K310, 314 (LMM, MW7, K76, NQF) (EXC PTO), K3 (LMM, MW7, YF2)

$853.92

Available in 1 shop

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858372
  • Quantity in car: 1
  • Engine wiring (body side of engine harness)
  • Usage: K2, 309 (LMM, MW7, KG7, NQF), K310, 314 (LMM, MW7, KG7, NQF) (EXC PTO)

$229.92—439.98

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858370
  • Quantity in car: 1
  • Engine wiring
  • Usage: C2, 309 (LMM, MW7, CMD, KG7), C310, 314 (LMM, MW7, CMD, KG7) (EXC PTO), C2, 309 (LMM, MW7, FWI, GMC, KG7), C310, 314 (LMM, MW7, GMC, KG7) (EXC PTO)

$228.23—432.39

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858371
  • Quantity in car: 1
  • Engine wiring
  • Usage: C310, 314 (LMM, MW7, K76) (EXC PTO), C2, 309 (LMM, MW7, K76)

$263.13—485.09

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858373
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, K76, NQF), K310, 314 (LMM, MW7, K76, NQF) (EXC PTO)

$215.23—407.74

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858375
  • Quantity in car: 1
  • Engine wiring
  • Usage: C310, 314 (LMM, MW7, KG7, PTO)

$255.65—275.08

Available in 2 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858376
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, KG7, NQF, PTO)

$248.23—261.86

Available in 2 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858456
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, KG7, NQG, PTO)

$275.89—326.44

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858457
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, K76, NQG), K310, 314 (LMM, MW7, K76, NQG) (EXC PTO)

$304.62—360.26

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858458
  • Quantity in car: 1
  • Engine wiring
  • Usage: C310, 314 (LMM, MW7, CMD, K76, PTO)

$272.77—320.20

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858459
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, K76, NQF, PTO)

$260.17—279.95

Available in 2 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858460
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, K76, NQG, PTO)

$291.52—340.80

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838179
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, K76, NQG, PTO)

$288.20—358.08

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838180
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, K76, NQF, PTO)

$248.52—306.76

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838181
  • Quantity in car: 1
  • Engine wiring
  • Usage: C310, 314 (LMM, MW7, K76, PTO)

$269.87—332.61

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838182
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, K76, NQG), K310, 314 (LMM, MW7, K76, NQG) (EXC PTO)

$300.49—370.29

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838183
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, KG7, NQG, PTO)

$268.45—330.82

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838184
  • Quantity in car: 1
  • Engine wiring
  • Usage: K310, 314 (LMM, MW7, KG7, NQF, PTO)

$232.28—261.37

Available in 2 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838185
  • Quantity in car: 1
  • Engine wiring
  • Usage: C310, 314 (LMM, MW7, KG7, PTO)

$246.48—308.67

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838186
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, KG7, NQG), K310, 314 (LMM, MW7, KG7, NQG) (EXC PTO)

$264.64—330.17

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838187
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, K76, NQF), K310, 314 (LMM, MW7, K76, NQF) (EXC PTO)

$214.06—270.91

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838188
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, KG7, NQF), K310, 314 (LMM, MW7, KG7, NQF) (EXC PTO)

$37.85—247.32

Available in 38 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838189
  • Quantity in car: 1
  • Engine wiring
  • Usage: C2, 309 (LMM, MW7, K76), C310, 314 (LMM, MW7, K76) (EXC PTO)

$252.14

Available in 1 shop

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20838190
  • Quantity in car: 1
  • Engine wiring
  • Usage: C2, 309 (LMM, MW7, KG7), C310, 314 (LMM, MW7, KG7) (EXC PTO)

$221.43

Available in 1 shop

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 20858374
  • Quantity in car: 1
  • Engine wiring
  • Usage: K2, 309 (LMM, MW7, KG7, NQG), K310, 314 (LMM, MW7, KG7, NQG) (EXC PTO)

$293.02—555.14

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 12629647
  • Quantity in car: 1
  • Engine wiring (engine side harness)
  • Usage: CK2, 3 (LMM, MW7)

$561.23—825.98

Available in 37 shops

Add to cart

Harness, wiring harness engine (lmm/6.6-6)

  • OEM part number: 12629647
  • Quantity in car: 1
  • Engine wiring (engine side harness) (to be used in conjuction with 25877318)
  • Usage: K2, 309 (LMM, MW7, KG7, NQF), K310, 314 (LMM, MW7, KG7, NQF)

$561.23—825.98

Available in 37 shops

Add to cart

Screw, wiring harness engine (lmm/6.6-6)

  • OEM part number: 11516885
  • Quantity in car: 1
  • Hex flanged head with flat washer, tappet, m8x1.25x20, 7thd, 17 outside diameter, tr point, 6202m, pzor (engine wiring harness bracket)

$3.00—3.14

Available in 2 shops

Add to cart

Bracket, wiring harness engine (lmm/6.6-6)

  • OEM part number: 15053937
  • Quantity in car: 1
  • Engine wiring harness (right-hand frame rail-engine wiring #1 temp)
  • Usage: CK2, 3 (LMM)

$3.20—3.60

Available in 2 shops

Add to cart

Bolt, wiring harness engine (lmm/6.6-6)

  • OEM part number: 11609619
  • Quantity in car: 2
  • Hexagon with flat washer-m10x1.5x16, 20 outside diameter, 10.9 steel, gmw3200 finish (battery negative cable ground)

$2.42—2.90

Available in 38 shops

Add to cart

Nut, wiring harness engine (lmm/6.6-6)

  • OEM part number: 11609467
  • Quantity in car: 1
  • Hexagon, m5x0.8, 4.55 thick, 5 steel, gmw3200 (engine wiring harness start mtr. lead)

$2.42—2.67

Available in 2 shops

Add to cart

Wire, wiring harness engine (lmm/6.6-6)

  • OEM part number: 25784702
  • Quantity in car: 1
  • Engine wiring harness
  • Usage: CK2, 3 (LMM)

$10.74—20.35

Available in 38 shops

Add to cart

Nut, wiring harness engine (lmm/6.6-6)

  • OEM part number: 11609411
  • Quantity in car: 1
  • Hexagon with conical washer, m6x1, 5.7 thick, 16 outside diameter, 9, gmw3200 (engine wiring harness air int heater lead)

$0.35—0.41

Available in 38 shops

Add to cart

Nut, wiring harness engine (lmm/6.6-6)

  • OEM part number: 21021808
  • Quantity in car: 1
  • Engine wiring harness air int heater lead (m8x1.25x6, brass)
  • Usage: CK2, 3 (LMM)

$0.48—1.21

Available in 39 shops

Add to cart

Nut, wiring harness engine (lmm/6.6-6)

  • OEM part number: 11609411
  • Quantity in car: 1
  • Hexagon with conical washer, m6x1, 5.7 thick, 16 outside diameter, 9, gmw3200 (battery positive cable)

$0.35—0.41

Available in 38 shops

Add to cart

Spark plug, spark plug wiring (ly6/6.0k, l76/6.0y, l92/6.2-8)

  • OEM part number: 12621258
  • Quantity in car: 8
  • (gap 0.040) (do not change spark plug gap from .040) (iridium)
  • Usage: CK2, 3 (LY6)

$5.60—5.90

Available in 2 shops

Add to cart

Shield, spark plug wiring (ly6/6.0k, l76/6.0y, l92/6.2-8)

  • OEM part number: 15336959
  • Quantity in car: 8
  • Spark plug wire
  • Usage: CK2, 3 (LY6)

$4.48—5.04

Available in 2 shops

Add to cart

Wire, spark plug wiring (ly6/6.0k, l76/6.0y, l92/6.2-8)

  • OEM part number: 89018057
  • Quantity in car: 8
  • Spark plug
  • Usage: CK2, 3 (LY6)

$13.87—15.61

Available in 2 shops

Add to cart

Wire, spark plug wiring (ly6/6.0k, l76/6.0y, l92/6.2-8)

  • OEM part number: 19206446
  • Quantity in car: 8
  • Spark plug
  • Usage: CK2, 3 (LY6)

$17.28—19.45

Available in 2 shops

Add to cart

Wire kit, spark plug wiring (ly6/6.0k, l76/6.0y, l92/6.2-8)

  • OEM part number: 89018058
  • Quantity in car: 1
  • Usage: CK2, 3 (LY6)

$81.42—84.94

Available in 2 shops

Add to cart

Wire kit, spark plug wiring (ly6/6.0k, l76/6.0y, l92/6.2-8)

  • OEM part number: 19206447
  • Quantity in car: 1
  • Usage: CK2, 3 (LY6)

$70.56—73.61

Available in 2 shops

Add to cart

Cover, block engine harness junction

  • OEM part number: 25815385
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$14.54—25.72

Available in 38 shops

Add to cart

Cover, block engine harness junction

  • OEM part number: 25781337
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$8.02—14.55

Available in 38 shops

Add to cart

Cover, block engine harness junction

  • OEM part number: 25941374
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$7.29—9.30

Available in 38 shops

Add to cart

Relay, block engine harness junction

  • OEM part number: 12177236
  • Quantity in car: 2
  • Usage: CK1, 2, 3

$4.95—5.12

Available in 2 shops

Add to cart

Relay, block engine harness junction

  • OEM part number: 15016745
  • Quantity in car: 1
  • Fan cont (5 terminal) (solid state)
  • Usage: CK107, 310 (03) (E29), CK1, 2, 3 (LGH, LML)

$29.51—34.70

Available in 38 shops

Add to cart

Relay, block engine harness junction

  • OEM part number: 12193602
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (EXC E29)

$0.38

Available in 1 shop

Add to cart

Fuse, block engine harness junction

  • OEM part number: 12191645
  • Quantity in car: 1

$0.46—1.04

Available in 39 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 88909753
  • Quantity in car: 19

$1.73

Available in 1 shop

Add to cart

Fuse, block engine harness junction

  • OEM part number: 88909754
  • Quantity in car: 21

$1.64—6.53

Available in 39 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 88909756
  • Quantity in car: 2

$2.75—8.36

Available in 39 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 12092075
  • Quantity in car: 6

$0.30—1.73

Available in 40 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 88861352
  • Quantity in car: 7

$1.68—6.53

Available in 39 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 15209748
  • Quantity in car: 6

$2.84—4.63

Available in 3 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 15822417
  • Quantity in car: 3

$2.84—4.66

Available in 39 shops

Add to cart

Fuse, block engine harness junction

  • OEM part number: 19115640
  • Quantity in car: 4

$1.08—1.31

Available in 3 shops

Add to cart

Nut, block engine harness junction

  • OEM part number: 11509226
  • Hexagon with conical washer, m8x1.25, 7.5thk, 19 outside diameter, 9, zinc (chassis rear wiring harness junction block lead)

$2.76—3.46

Available in 38 shops

Add to cart

Block, block engine harness junction

  • OEM part number: 15910897
  • Quantity in car: 1
  • Engine wiring harness junction (with 40-ampere j case compressor fuse feature)
  • Usage: CK1, 2, 3 (03-43-53) (LC9, LH6, LMG, LU3, LY2, LY5, LY6, L76, L92)

$0.36—210.49

Available in 2 shops

Add to cart

Block, block engine harness junction

  • OEM part number: 19210439
  • Quantity in car: 1
  • Usage: CK2, 3 (LMM)

$161.08—173.33

Available in 2 shops

Add to cart

Block, block engine harness junction

  • OEM part number: 94671474
  • Quantity in car: 1
  • Usage: C107, 310 (03) (E29), C310 (03) (LY6, M96)

$143.44

Available in 1 shop

Add to cart

Block, block engine harness junction

  • OEM part number: 19210438
  • Quantity in car: 1
  • Engine wiring harness junction (underhood bussed electrical center) (when servicing vehicle with tp2, remove the 40a j-case fuse called stud-1 on the ubec cover/label)
  • Usage: CK1, 2, 3 (03-43-53) (LC9, LH6, LMG, LU3, LY2, LY5, LY6, L76, L9H), CK1, 2, 3 (03-43-53) (LU3, LY6) (EXC E29), CK1, 2, 3 (03-43-53) (LC9, LH6, LMG, LU3, LY2, LY5, LY6, L76, L92)

$166.62—199.52

Available in 38 shops

Add to cart

Block, block engine harness junction

  • OEM part number: 20904415
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (03-43-53) (LU3, LY6, L96, TP2) (EXC E29)

$139.11

Available in 1 shop

Add to cart

Block, block engine harness junction

  • OEM part number: 20904415
  • Quantity in car: 1
  • Engine wiring harness junction (labeled 20904415)
  • Usage: CK1, 2, 3 (03-43-53) (LU3, L96, TP2) (EXC E29)

$139.11

Available in 1 shop

Add to cart

Block, block engine harness junction

  • OEM part number: 25941367
  • Quantity in car: 1
  • Engine wiring harness junction (labeled 25941367)
  • Usage: CK1, 2, 3 (LGH, LML)

$0.36

Available in 1 shop

Add to cart

Block, block engine harness junction

  • OEM part number: 25941367
  • Quantity in car: 1
  • Usage: CK1, 2, 3 (LMM)

$0.36

Available in 1 shop

Add to cart

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