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  1. Home
  2. Chevrolet Trucks
  3. 2003
  4. Avalanche 1500 4WD
  5. Electrical

2003 Chevrolet Trucks Avalanche 1500 4WD electrical parts catalog

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

Connector, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 88988598
  • Quantity in car: 2
  • Sensor-oxygen (black) (4-way female) (with leads) (square)
  • Usage: CK1, 2 (LM7, LQ4, LR4)

$37.83—77.35

Available in 38 shops

Add to cart

Connector, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 13582063
  • Quantity in car: 2
  • Sensor-oxygen (rectangle) (black) (4-way female) (with leads)
  • Usage: CK1, 2 (LM7, LR4)

$21.45—24.14

Available in 2 shops

Add to cart

Connector, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 13582063
  • Quantity in car: 1
  • Inline-to oxygen sensor (rectangle) (black) (4-way female) (with leads)
  • Usage: CK1, 2

$21.45—24.14

Available in 2 shops

Add to cart

Connector, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 13582063
  • Quantity in car: 1
  • Sensor-oxygen (rectangle, pre engine harness) (black) (4-way female) (with leads)
  • Usage: CK1

$21.45—24.14

Available in 2 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 12562943
  • Quantity in car: 2
  • Heated oxygen (position 3) (post converter)
  • Usage: CK1, 2 (LM7, LR4, OSG), CK1 (LM7, LR4, OSG), CK1 (LR4, ARL, FWI, GMC, JAN, NC1, NF4)

$54.93—58.32

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 12587785
  • Quantity in car: 2
  • Heated oxygen (position 3) (post converter)
  • Usage: CK1 (LM7, L59)

$46.51—49.75

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 19178116
  • Quantity in car: 2
  • Heated oxygen (position 3) (post converter)
  • Usage: CK1 (03-06-36-53) (LM7, ARL, FWI, GMC, JAN, MSL), CK1 (03-06-36-53) (LR4, ARL, FWI, GMC, JAN, NF2), CK1, 2 (LM7, LR4, FWI, GMC, JAN, MSL), CK1, 2 (LM7, LR4, L35)

$42.63—52.24

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 19209808
  • Quantity in car: 2
  • Heated oxygen (position 3) (post converter)
  • Usage: CK1 (03-06-36-53) (LQ4, LQ9, LU3, LR4)

$49.71—55.71

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 12562943
  • Quantity in car: 2
  • Heated oxygen (position 2) (pre converter)
  • Usage: CK1, 2 (LM7, LR4, OSG), CK1 (LM7, LR4, OSG), CK1 (LR4, ARL, FWI, GMC, JAN, NC1, NF4)

$54.93—58.32

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 12587785
  • Quantity in car: 2
  • Heated oxygen (position 2) (pre converter)
  • Usage: CK1 (LM7, L59)

$46.51—49.75

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 25333812
  • Quantity in car: 2
  • Heated oxygen (position 2) (pre converter) (original equipment manufacturer sensor)
  • Usage: CK1, 3 (LR4)

$75.73—79.01

Available in 2 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lm7/5.3t, lr4/4.8v)

  • OEM part number: 19178961
  • Quantity in car: 2
  • Heated oxygen (position 2) (pre converter)
  • Usage: CK1 (LM7, ARL, FWI, GMC, JAN, MSL, NC8, NF2, NF4, NT3), CK1 (LR4, ARL, FWI, GMC, JAN, NF2), CK1 (LM7, LR4, ARL, FWI, GMC, JAN, MSL), CK1, 2 (LM7, LR4, FWI, GMC, JAN, MSL), CK1, 2 (LM7, LR4, L35)

$37.72—99.68

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 12565397
  • Quantity in car: 2
  • Heated oxygen (position 2) (pre converter)
  • Usage: CK1, 2, 3 (LQ4, L18), CK1, 2, 3 (LQ4, LQ9, L18)

$51.03—64.58

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 12572705
  • Quantity in car: 2
  • Heated oxygen (position 2) (in exhaust manifold/crossover)
  • Usage: CK1, 2, 3 (LQ4, LQ9, L18)

$77.29—146.27

Available in 38 shops

Add to cart

Retainer, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 11561878
  • Quantity in car: 2
  • Secondary oxygen sensor wiring harness (fits 8.0-8.25 diameter hole in 3-7mm thick panel)
  • Usage: CK1, 2 (LM7, LQ4, LR4, L35, NA7, NB6, NC1, NF2), CK1, 2 (LM7, LQ4, LR4, L35, NA7, NB6, NC1, NF2), CK1, 2, 3 (LM7, LQ4, LR4, L35, NA7, NB6, NC1, NC8, NF2, NF4)

$0.73—1.51

Available in 38 shops

Add to cart

Connector, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 88988598
  • Quantity in car: 1
  • Sensor-oxygen (black) (4-way female) (with leads) (square)
  • Usage: CK1, 2 (LM7, LQ4, LR4)

$37.83—77.35

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 19178116
  • Quantity in car: 2
  • Heated oxygen (position 3) (post converter)
  • Usage: CK1 (03-06-36-53) (LQ4, LQ9)

$42.63—52.24

Available in 38 shops

Add to cart

Sensor, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 19209808
  • Quantity in car: 2
  • Heated oxygen (position 3) (post converter)
  • Usage: CK1 (03-06-36-53) (LQ4, LQ9, LU3, LR4)

$49.71—55.71

Available in 38 shops

Add to cart

Connector, wiring harness engine rear (at exh pipe, lq4/6.0u)

  • OEM part number: 15305801
  • Quantity in car: 2
  • Sensor-oxygen (black) (4-way male) (with leads)
  • Usage: CK1, 2 (LM7, LR4, LQ4)

$30.68—64.58

Available in 38 shops

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 10368723
  • Quantity in car: 1
  • Usage: CK1 (L59)

$454.23—1192.51

Available in 37 shops

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15090610
  • Quantity in car: 1
  • Usage: K1 (L59) (EXC 8B0)

$?

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15092103
  • Quantity in car: 1
  • Usage: C1 (L59) (EXC NW7, 8B0)

$0.38

Available in 1 shop

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15093582
  • Quantity in car: 1
  • Usage: C1 (L59, 8B0)

$?

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15093583
  • Quantity in car: 1
  • Usage: K1 (L59, 8B0)

$?

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15124981
  • Quantity in car: 1
  • Usage: C1 (L59)

$459.99

Available in 1 shop

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15192310
  • Quantity in car: 1
  • Usage: CK1 (L59)

$707.50—1067.03

Available in 38 shops

Add to cart

Harness, wiring harness engine (l59/5.3z)

  • OEM part number: 15836408
  • Quantity in car: 1
  • Usage: CK1 (L59)

$359.26—680.66

Available in 38 shops

Add to cart

Nut, wiring harness engine (l59/5.3z)

  • 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 (l59/5.3z)

  • 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 (l59/5.3z)

  • 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

Nut, wiring harness engine (l59/5.3z)

  • 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 (l59/5.3z)

  • OEM part number: 15909867
  • Engine & fwd lamp wiring harness connect
  • Usage: CK1, 2, 3

$2.98—5.07

Available in 38 shops

Add to cart

Cap, wiring harness engine (l59/5.3z)

  • 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 (lq9/6.0n)

  • OEM part number: 10368725
  • Quantity in car: 1
  • Usage: K1 (06-36-43-53) (LQ4, LQ9, M32)

$530.72

Available in 1 shop

Add to cart

Harness, wiring harness engine (lq9/6.0n)

  • OEM part number: 15067466
  • Quantity in car: 1
  • Usage: K1 (06-36) (LQ4, LQ9, M32)

$1.00—1569.44

Available in 2 shops

Add to cart

Harness, wiring harness engine (lq9/6.0n)

  • OEM part number: 15124973
  • Quantity in car: 1
  • Usage: K1 (06-36) (LQ4, LQ9, M32)

$506.63—605.45

Available in 38 shops

Add to cart

Harness, wiring harness engine (lq9/6.0n)

  • OEM part number: 15192313
  • Quantity in car: 1
  • Usage: K1 (06-36) (LQ4, LQ9, M32)

$913.17—1155.33

Available in 37 shops

Add to cart

Harness, wiring harness engine (lq9/6.0n)

  • OEM part number: 15871896
  • Quantity in car: 1
  • Usage: C1 (LQ9, M32, M70)

$430.00—710.72

Available in 2 shops

Add to cart

Harness, wiring harness engine (lq9/6.0n)

  • OEM part number: 15871897
  • Quantity in car: 1
  • Usage: K1 (06-36-43-53) (LQ4, LQ9, M32)

$503.69—1352.50

Available in 38 shops

Add to cart

Nut, wiring harness engine (lq9/6.0n)

  • 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 (lq9/6.0n)

  • 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 (lq9/6.0n)

  • 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

Nut, wiring harness engine (lq9/6.0n)

  • 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 (lq9/6.0n)

  • OEM part number: 15909867
  • Engine & fwd lamp wiring harness connect
  • Usage: CK1, 2, 3

$2.98—5.07

Available in 38 shops

Add to cart

Cap, wiring harness engine (lq9/6.0n)

  • 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

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 (LR4), CK1, 2, 3 (LQ4), CK1 (LR4), CK1, 2, 3 (LQ4), CK1 (L59), CK1 (L59), CK1 (LM7), CK1 (LQ9), CK1 (LM7), CK1 (LQ9), CK1 (L33), CK1 (L33), CK1, 2 (LM7), CK1, 2 (LM7), K1 (LQ9), K1 (LQ9), 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), CK1, 2 (LM7), C1, 2 (LM7), K1 (LM7), K1 (LQ9), CK1 (LM7), CK1 (L33), CK1 (LQ9), CK1 (L59), CK1, 2 (LM7), CK1, 2, 3 (LQ4), CK1 (L59, M30)

$4.48—5.04

Available in 2 shops

Add to cart

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

  • OEM part number: 12192133
  • Quantity in car: 8
  • Spark plug (7mm diameter, 10.5"long) (without heat shield) (ignition cable) (used with coil stamp 12558693, for second design see 12192195)
  • Usage: CK1, 2 (LM7) (1ST DES), CK1 (LR4) (1ST DES)

$8.57—10.67

Available in 38 shops

Add to cart

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

  • OEM part number: 12192133
  • Quantity in car: 8
  • Spark plug (used with coil stamped 12558693, 10.5in) (7mm diameter, 10.5"long) (without heat shield) (ignition cable)
  • Usage: CK1, 2 (LM7)

$8.57—10.67

Available in 38 shops

Add to cart

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

  • OEM part number: 12192133
  • Quantity in car: 8
  • Spark plug (10.5in) (7mm diameter, 10.5"long) (without heat shield) (ignition cable) (used with coil stamped 12558693)
  • Usage: CK1 (L59), CK1, 2, 3 (LQ4), CK1 (LR4)

$8.57—10.67

Available in 38 shops

Add to cart

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

  • OEM part number: 12192133
  • Quantity in car: 8
  • Spark plug (10.5in) (7mm diameter, 10.5"long) (without heat shield) (ignition cable)
  • Usage: K1 (LQ9), CK1 (LM7), CK1 (LQ9), CK1 (L33)

$8.57—10.67

Available in 38 shops

Add to cart

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

  • OEM part number: 12192195
  • Quantity in car: 8
  • Spark plug (7mm diameter, 9.2"long) (without heat shield) (ignition cable) (used with coil stamped 19005218, for first design see 12192133)
  • Usage: CK1, 2 (LM7) (2ND DES), CK1 (LR4) (2ND DES)

$9.31—10.47

Available in 2 shops

Add to cart

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