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  2. GMC Trucks
  3. 2004
  4. Sierra 2500 HD 4WD (New Style)
  5. Electrical

2004 GMC Trucks Sierra 2500 HD 4WD (New Style) electrical parts catalog

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Harness, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 52372164
  • Quantity in car: 1
  • Usage: CK259 (53) (KL6), K259 (03) (KL6), K259 (43) (KL6), C259 (03) (E63, HVY, KL6), CK259 (03-53) (E63, KL6), CK259 (03) (KL6, ZW9), K259 (43) (E63, KL6), K259 (43) (KL6, ZW9)

$518.60—583.55

Available in 2 shops

Add to cart

Bolt, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 12092282
  • Quantity in car: 1
  • Battery positive cable junction block (m6x1x20.4)
  • Usage: CK1, 2, 3

$2.75—2.90

Available in 2 shops

Add to cart

Strap, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 12337820
  • Quantity in car: 4
  • 15" tie strap (automatic transmission throttle valve cable)

$1.10—2.09

Available in 39 shops

Add to cart

Module, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 52372367
  • Quantity in car: 1
  • Usage: CK259 (03-53) (KL6), K259 (43) (KL6), CK259 (03-53) (KL6, KL8)

$738.09—771.06

Available in 2 shops

Add to cart

Cover, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 12193918
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$3.07—3.45

Available in 2 shops

Add to cart

Retainer, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 12077530
  • Quantity in car: 4
  • Usage: CK259 (03-53) (KL6), K259 (43) (KL6), CK259 (03-53) (KL6, E63), C259 (03) (KL6, ZW9)

$4.32—4.55

Available in 2 shops

Add to cart

Relay, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 13502676
  • Quantity in car: 10
  • Multiuse (5-way, micro, stamped 5125)
  • Usage: CK259 (03-53) (KL6, E63), CK259 (03) (KL6, ZW9), K259 (43) (KL6)

$5.45—11.21

Available in 38 shops

Add to cart

Bracket, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 52371725
  • Quantity in car: 1
  • Multiuse relay & fuse
  • Usage: CK259 (03-53) (KL6), K259 (43) (KL6)

$3.02—547.40

Available in 2 shops

Add to cart

Bolt, wiring harness engine compartment (bi-fuel natural gas kl6)

  • OEM part number: 11515755
  • Quantity in car: 4
  • Hexagon, m8x1.25x16, 15 thread, 18 outside diameter, 10.9, 7114m (front fender rear upper brace) (together with 12345493 replcs 25534835)

$2.86—4.27

Available in 38 shops

Add to cart

Harness, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 10368937
  • Quantity in car: 1
  • Usage: CK259 (03-43-53) (LQ4, MT1, HVY, KL6, KL8)

$973.17

Available in 1 shop

Add to cart

Harness, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 15124969
  • Quantity in car: 1
  • Usage: CK2, 3 (03-43-53) (LQ4, MT1, HVY) (EXC KL6, KL8)

$928.38—2356.04

Available in 37 shops

Add to cart

Harness, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 15124971
  • Quantity in car: 1
  • Usage: CK1, 2 (LQ4, MT1) (EXC HVY, KL6, KL8)

$518.97—619.59

Available in 38 shops

Add to cart

Harness, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 15124979
  • Quantity in car: 1
  • Usage: CK2, 3 (LQ4, MW3, M96, HVY)

$425.51

Available in 1 shop

Add to cart

Harness, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 15124980
  • Quantity in car: 1
  • Usage: CK2 (03-53) (LQ4, MW3) (EXC HVY)

$?

Add to cart

Nut, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

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

$0.35—0.41

Available in 38 shops

Add to cart

Bolt, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 11515755
  • Quantity in car: 2
  • Engine wiring harness ground (m8x1.25x16) (hexagon flange head)
  • Usage: CK1, 2, 3

$2.86—4.27

Available in 38 shops

Add to cart

Cover, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 12193918
  • Quantity in car: 1
  • Wiring harness connect
  • Usage: CK1, 2, 3

$3.07—3.45

Available in 2 shops

Add to cart

Bolt, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 11519862
  • Quantity in car: 1
  • Hexagon with flat washer, m8x1.25x25, 15.85 thread, 17 outside diameter, 9.8, 6280m, machine, mat-point (engine wiring harness clip bracket)

$0.26—0.29

Available in 38 shops

Add to cart

Nut, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • 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

Cap, wiring harness engine lh side front upper (lm7/5.3t, lr4/4.8v, lq4/6.0u)

  • OEM part number: 15909867
  • Quantity in car: 1
  • Engine wiring harness connect
  • Usage: CK1, 2, 3

$2.98—5.07

Available in 38 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 25776094
  • Quantity in car: 1
  • Engine wiring (engine harness to engine)
  • Usage: CK2, 3 (LLY, MW7, KG3, K68) (EXC PTO, YF2), CK2, 3 (LBZ, MW7, KG3, K68) (EXC PTO, YF2)

$595.34—1470.36

Available in 38 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 21997708
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, ML6, KG3, K68, PTO), CK2, 3 (LLY, ML6, KG3, K68) (EXC PTO), CK2, 3 (LLY, ML6, 8X5) (EXC PTO)

$436.55—917.21

Available in 38 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 10368697
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, ML6, KG3, K68) (EXC PTO)

$404.89—752.04

Available in 37 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 10368698
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, M74, KG3, K68) (EXC PTO, YF2)

$595.30—1157.14

Available in 37 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 10368699
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, M74, K65, YF2), CK2, 3 (LLY, M74, 8X5) (EXC PTO)

$506.39—959.40

Available in 37 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 10368700
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, ML6, 8X5) (EXC PTO)

$361.67

Available in 1 shop

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 10368702
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, ML6, PTO, 8X5)

$400.32

Available in 1 shop

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 15795973
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2 (LLY, ML6, 8X5) (EXC PTO)

$446.70

Available in 1 shop

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 21997706
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LLY, M74, KG3, K68) (EXC PTO, YF2), CK2, 3 (LLY, M74, K65, YF2), CK2, 3 (LLY, M74, 8X5) (EXC PTO)

$909.11

Available in 1 shop

Add to cart

Harness LH, wiring harness engine (lly/6.6-2)

  • OEM part number: 97233066
  • Quantity in car: 1
  • Engine wiring (to oil present send unit)
  • Usage: CK2, 3 (LLY, MW7, NC8, NF4, NT9)

$469.87—532.65

Available in 37 shops

Add to cart

Harness LH, wiring harness engine (lly/6.6-2)

  • OEM part number: 97388992
  • Quantity in car: 1
  • Usage: CK2, 3 (LLY, ML6, NC8, NF4, NT9), CK2, 3 (LBZ, MW7)

$86.65—154.85

Available in 38 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 25776092
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2, 3 (LBZ, LLY, MW7, 8X5) (EXC PTO), CK2, 3 (LBZ, LLY, MW7, K65, YF2), CK2, 3 (LBZ, MW7, K65, YF2), CK2, 3 (LBZ, MW7, 8X5) (EXC PTO)

$662.09—1402.62

Available in 38 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 97779379
  • Quantity in car: 1
  • Engine wiring (includes glow plug connect)
  • Usage: CK2, 3 (LBZ, MW7), CK2, 3 (LLY, ML6, NC8, NF4, NT9)

$568.87—974.66

Available in 37 shops

Add to cart

Harness, wiring harness engine (lly/6.6-2)

  • OEM part number: 15881294
  • Quantity in car: 1
  • Engine wiring
  • Usage: CK2 (LLY, ML6, KG3, K68) (EXC PTO)

$560.45

Available in 1 shop

Add to cart

Nut, wiring harness engine (lly/6.6-2)

  • OEM part number: 21021808
  • Quantity in car: 1
  • Engine wiring harness diesel glowplug relay lead (m8x1.25x6, brass)
  • Usage: CK2, 3 (LB7, LLY), CK2, 3 (LLY)

$0.48—1.21

Available in 39 shops

Add to cart

Retainer, wiring harness engine (lly/6.6-2)

  • OEM part number: 15599095
  • Quantity in car: 1
  • Engine wiring harness clip (push on) (m6x1)
  • Usage: CK2, 3 (LB7, LLY), CK2, 3 (LLY), CK2, 3 (LBZ)

$3.70—4.79

Available in 38 shops

Add to cart

Nut, wiring harness engine (lly/6.6-2)

  • OEM part number: 11509226
  • Quantity in car: 1
  • Hexagon with conical washer, m8x1.25, 7.5thk, 19 outside diameter, 9, zinc (engine wiring harness diesel glowplug cont lead)

$2.76—3.46

Available in 38 shops

Add to cart

Bolt, wiring harness engine (lly/6.6-2)

  • OEM part number: 11515755
  • Quantity in car: 2
  • Hexagon, m8x1.25x16, 15 thread, 18 outside diameter, 10.9, 7114m (engine wiring harness ground) (together with 12345493 replcs 25534835)

$2.86—4.27

Available in 38 shops

Add to cart

Cover, wiring harness engine (lly/6.6-2)

  • OEM part number: 89046781
  • Quantity in car: 1
  • Usage: CK2, 3 (LLY, ML6, M74)

$3.26—3.50

Available in 2 shops

Add to cart

Cover, wiring harness engine (lly/6.6-2)

  • OEM part number: 12193918
  • Quantity in car: 1
  • Usage: CK1, 2, 3

$3.07—3.45

Available in 2 shops

Add to cart

Nut, wiring harness engine (lly/6.6-2)

  • 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

Harness, wiring harness engine cable (lly/6.6-2)

  • OEM part number: 98024427
  • Quantity in car: 1
  • Engine cable (includes glow plug controller connector)
  • Usage: CK2, 3 (LLY, ML6, NC8, NF4, NT9), CK2, 3 (LLY, M74, NC8, NF4, NT9)

$482.00—825.81

Available in 37 shops

Add to cart

Bolt, wiring harness engine cable (lly/6.6-2)

  • OEM part number: 94010238
  • Quantity in car: 1
  • Glow plug controller wiring harness clip
  • Usage: CK2, 3 (LLY)

$0.23—0.26

Available in 2 shops

Add to cart

Controller, wiring harness engine cable (lly/6.6-2)

  • OEM part number: 97379635
  • Quantity in car: 1
  • Glow plug
  • Usage: CK2, 3 (LLY)

$98.21—110.51

Available in 38 shops

Add to cart

Bracket, wiring harness engine cable (lly/6.6-2)

  • OEM part number: 97312371
  • Quantity in car: 1
  • Glow plug relay (l-shaped with 90 degree bend)
  • Usage: CK2, 3 (LLY)

$12.21—349.43

Available in 38 shops

Add to cart

Glow plug, wiring harness engine cable (lly/6.6-2)

  • OEM part number: 97326305
  • Quantity in car: 8
  • (glow plug)
  • Usage: CK2, 3 (LLY, M74, ML6)

$20.67—25.08

Available in 37 shops

Add to cart

Nut, wiring harness engine cable (lly/6.6-2)

  • OEM part number: 97368853
  • Quantity in car: 8
  • Glow plug conductor
  • Usage: CK2, 3 (LLY)

$2.24—2.41

Available in 2 shops

Add to cart

Harness, wiring harness engine compartment (dedicated natural gas kl8)

  • OEM part number: 52372458
  • Quantity in car: 1
  • Usage: CK259 (03-53) (E63, KL6, KL8), CK259 (03) (KL6, KL8, ZW9), CK259 (03) (KL6, KL8)

$0.88—340.97

Available in 2 shops

Add to cart

Bolt, wiring harness engine compartment (dedicated natural gas kl8)

  • OEM part number: 12092282
  • Quantity in car: 1
  • Battery positive cable junction block (m6x1x20.4)
  • Usage: CK1, 2, 3

$2.75—2.90

Available in 2 shops

Add to cart

Strap, wiring harness engine compartment (dedicated natural gas kl8)

  • OEM part number: 12337820
  • Quantity in car: 4
  • 15" tie strap (automatic transmission throttle valve cable)
  • 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.

$1.10—2.09

Available in 39 shops

Add to cart

Harness, wiring harness engine compartment (dedicated natural gas kl8)

  • OEM part number: 52372593
  • Quantity in car: 1
  • Usage: CK259 (03-53) (E63, KL8), C259 (03) (ZW9, KL8)

$198.79—217.18

Available in 2 shops

Add to cart

Module, wiring harness engine compartment (dedicated natural gas kl8)

  • OEM part number: 52372367
  • Quantity in car: 1
  • Usage: CK259 (03-53) (KL6, KL8)

$738.09—771.06

Available in 2 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

Spark plug, spark plug wiring (lr4/4.8v, lm7/5.3t, lq4/6.0u, l59/5.3z, lq9/6.0n)

  • OEM part number: 12621258
  • Quantity in car: 8
  • (gap 0.040) (do not change spark plug gap from .040) (iridium)
  • Usage: CK1, 2, 3 (LQ4), CK1, 2, 3 (LQ4), CK1, 2 (LM7), CK1, 2 (LM7), CK2 (LQ4), CK1, 2 (LM7, LR4)

$5.60—5.90

Available in 2 shops

Add to cart

Shield, spark plug wiring (lr4/4.8v, lm7/5.3t, lq4/6.0u, l59/5.3z, lq9/6.0n)

  • OEM part number: 15336959
  • Quantity in car: 8
  • Spark plug wire
  • Usage: CK1, 2 (LR4)

$4.48—5.04

Available in 2 shops

Add to cart

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