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  1. Home
  2. Chevrolet Trucks
  3. 1991
  4. S10 Blazer 4WD
  5. Electrical

1991 Chevrolet Trucks S10 Blazer 4WD electrical parts catalog

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

Connector, wiring harness engine (ln8/2.5e, l38/2.5a)

  • OEM part number: 19257375
  • Quantity in car: 1
  • Distributor (with 1.0mm wire) (with leads)
  • Usage: S1 (L38, LB4)

$22.81

Available in 1 shop

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Screw, wiring harness engine (lb4/4.3z, l35/4.3w)

$2.37—2.64

Available in 38 shops

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Relay, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 10034222
  • Quantity in car: 1
  • Air conditioning compressor (4-way, 3 in-a-row & 1 off-set, code 4222)
  • Usage: ST1 (16-06), ST1

$9.94—20.77

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12102619
  • Metri-packing mixed 4-way (with leads) (air conditioning compressor relay)

$21.59—26.00

Available in 38 shops

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Bracket, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 10029398
  • Quantity in car: 1
  • Multiuse relay
  • Usage: ST1 (06-16)

$2.64

Available in 1 shop

Add to cart

Bracket, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 10029398
  • Quantity in car: 1
  • Multiuse relay (product 12561517)
  • Usage: ST1

$2.64

Available in 1 shop

Add to cart

Bracket, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12160380
  • Quantity in car: 1
  • Fuel pump relay (with 1-mounting hole with hexagon chrome) (use together with 12177238)
  • Usage: T1 (16) (Z79)

$3.67—3.92

Available in 2 shops

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Relay, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 10034222
  • Quantity in car: 1
  • Fuel pump (4-way, 3 in-a-row & 1 off-set, code 4222)
  • Usage: ST1 (16-06), ST1, ST1, ST1, ST1, ST1

$9.94—20.77

Available in 38 shops

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Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

$21.59—26.00

Available in 38 shops

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Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12102664
  • Quantity in car: 1
  • Motor-windshield washer pump (black) (2-way female) (with leads) (metri-pack 280 with orange seal) (round)
  • Usage: ST1 (06-16) (M30, MY2, C25, K34, UD4)

$15.35—16.51

Available in 2 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12102747
  • Quantity in car: 1
  • Usage: ST1, ST1 (06-16) (M30, MY2, C42, C60)

$0.36—19.03

Available in 2 shops

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Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132068
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (L35, M30, C60, C42), ST1 (L35, M30, C60)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12072077
  • Quantity in car: 1
  • Engine wiring (20amp mini)
  • Usage: ST1 (LB4, MD8, C42) (EXC CTF, NM8)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12072078
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MD8, C60) (EXC CTF, NM8)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12072082
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MY2, C42)

$53.38

Available in 1 shop

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12072083
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MY2, C60) (EXC CTF)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099389
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (L35, MD8, C60, C42)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099877
  • Quantity in car: 1
  • Engine wiring (also may require 12085488 connect & water temp sensor if connect is block and unsealed)
  • Usage: ST1 (LB4, MD8, CTF, C60) (EXC NM8, ZR9)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099878
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MY2, CTF, C42)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099879
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MY2, CTF, C60)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099880
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MD8, CTF, C60, NM8)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099980
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MD8, C60, C42) (EXC NM8, ZR9, Z79)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099981
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MY2, C42, C60)

$53.38

Available in 1 shop

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12099984
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MD8, C60, NM8)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12121447
  • Quantity in car: 1
  • Engine wiring
  • Usage: T1 (16) (Z79)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12125096
  • Quantity in car: 1
  • Engine wiring
  • Usage: T1 (16) (Z79)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132014
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (06-16) (LB4, M30, C60) (EXC NM8), ST1 (06-16) (LB4, M30, C42)

$43.34

Available in 1 shop

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132019
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (06-16) (LB4, MY2, C42), ST1 (06-16) (LB4, MY2, C60)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132065
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, M30, C60) (EXC NM8), ST1 (LB4, M30, C60, C42) (EXC NM8)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132067
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (06-16) (LB4, MY2, C60) (EXC 9B1)

$53.38

Available in 1 shop

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12142547
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, M30, C42)

$53.38

Available in 1 shop

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12142549
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (L35, M30, C42)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12156505
  • Quantity in car: 1
  • Engine wiring (has fuel pump relay connect without seal)
  • Usage: ST1 (06-16) (L35, M30, C60) (1ST DES)

$43.34

Available in 1 shop

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12156530
  • Quantity in car: 1
  • Engine wiring (has fuel pump relay connect with seal)
  • Usage: ST1 (06-16) (L35, M30, CTF, C60) (WHEN USED ON VEH REQ 3-WAY CONN & OXY SEN, USE CONN 12126012. TAPE BACK EXTRA LEAD FROM CAVITY A. SPLICE CAVITY B TO C, C TO B AND D TO A.) (2ND DES)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12080277
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, MD8, C60, NM8) (EXC CTF) (EXPORT)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132017
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (06-16) (LB4, M30, C60, NM8) (EXPORT)

$?

Add to cart

Harness, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12132066
  • Quantity in car: 1
  • Engine wiring
  • Usage: ST1 (LB4, M30, C60, NM8) (EXPORT), ST1 (06-16) (LB4, M30, C60, NM8) (EXPORT)

$?

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 88987962
  • Quantity in car: 1
  • gen. (4-way female) (with lead) (with wires in cavities f, l, p & s)
  • Usage: ST1

$40.28—82.40

Available in 38 shops

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Nut, wiring harness engine (lb4/4.3z, l35/4.3w)

$0.84—1.05

Available in 38 shops

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Cover, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 00497628
  • Quantity in car: 1
  • Battery positive cable terminal (black)
  • Usage: ST1

$?

Add to cart

Nut, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 09414034
  • Hexagon .375-16x21/64 301m zinc coated

$?

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

$29.05—35.70

Available in 38 shops

Add to cart

Strap, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12337820
  • 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

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12102620
  • Pigtail, female metri-packing, pull to seat, manifold air temp sensor (gray) 2 terminal (manifold air temp sens)

$15.82—17.02

Available in 2 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 88988301
  • Quantity in car: 1
  • Sensor-throttle position (black) (3-way female) (with leads)
  • Usage: ST1

$34.95—71.82

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12101937
  • Quantity in car: 1
  • Coil-air conditioning clutch (gray) (2-way female) (with leads)
  • Usage: ST1

$16.13—18.24

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 15306009
  • Quantity in car: 1
  • Electronic vacuum regulator valve wiring (black) (4-way female m/p150) (with leads) (oval)
  • Usage: ST1 (LB4)

$25.06—30.04

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12085502
  • Quantity in car: 1
  • Sensor-manifold absolute pressure (green) (3-way male) (with leads)
  • Usage: ST1

$23.09—45.72

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12102747
  • Quantity in car: 1
  • Sensor-engine coolant temp (black) (accepts 1.5mm terms) (2-way female) (m/p150) (with leads)
  • Usage: ST1 (06-16) (EXC Z49), T1 (06) (WX7) (EXPORT)

$0.36—19.03

Available in 2 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12126458
  • Quantity in car: 1
  • Sensor-engine coolant temp (blue) (1-way f) (with leads)
  • Usage: ST1 (06-16) (L35, M30, C42, C60)

$21.91—43.07

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 88987993
  • Quantity in car: 1
  • Sensor-engine coolant temp (black) (2-way female) (with leads)
  • Usage: ST1 (06-16), ST1 (06-16)

$29.05—35.70

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 88862226
  • Sensor-engine coolant temp (2-way female) (1all makes)
  • Usage: S105 (06) (L35), T105 (06) (L35), S105 (06) (L35), T105 (06) (L35), S105 (06) (L35), T105 (06) (L35)

$26.16—53.03

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 88862305
  • Sensor-engine coolant temp (with gauge) (all makes)
  • Usage: S105 (06) (L35), S105 (06) (LB4), S105 (16) (L35), S105 (16) (LB4), T105 (06) (L35), T105 (06) (LB4), T105 (16) (L35), T105 (16) (LB4)

$18.35—43.92

Available in 38 shops

Add to cart

Nut, wiring harness engine (lb4/4.3z, l35/4.3w)

$0.70—0.94

Available in 38 shops

Add to cart

Washer, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 11503663
  • 6.3mm inside diameter, 12.5mm outside diameter, .60mm thick

$2.72—4.69

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12085488
  • Quantity in car: 1
  • Switch-engine coolant temp indicator (black) (2-way female) (with leads)
  • Usage: ST1

$18.48—37.83

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12126458
  • Quantity in car: 1
  • Usage: ST1 (06-16) (LB4, M30, MY2, C42, C60), ST1, ST1 (06-16) (LB4, MY2, C42)

$21.91—43.07

Available in 38 shops

Add to cart

Nut, wiring harness engine (lb4/4.3z, l35/4.3w)

$0.35—0.41

Available in 38 shops

Add to cart

Shield, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 15627418
  • Quantity in car: 1
  • Engine control module wiring harness grommet
  • Usage: ST1 (LB4, L35), ST1 (06-16) (LB4, L35)

$?

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12117385
  • Quantity in car: 1
  • Sensor-oxygen (black) (1-way f) (with leads)
  • Usage: ST1

$8.50—11.88

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 19257375
  • Quantity in car: 1
  • Module-distributor ignition cont (with 1.0mm wire) (with leads)
  • Usage: ST1

$22.81

Available in 1 shop

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12126449
  • Quantity in car: 1
  • Inline-to air conditioning harness (black) (4-way f) (with leads)
  • Usage: ST1 (06-16) (C60)

$71.20—175.81

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 12162343
  • Quantity in car: 1
  • Inline-to air conditioning harness (gray) (2-way male) (without leads)
  • Usage: ST1 (06-16) (C60), ST1 (C60)

$3.07—3.76

Available in 38 shops

Add to cart

Connector, wiring harness engine (lb4/4.3z, l35/4.3w)

  • OEM part number: 88862250
  • Inline-to air conditioning harness (inline) (2-way male) (all makes)
  • Usage: S105 (06) (L35), S105 (06) (LB4), S105 (16) (L35), S105 (16) (LB4), T105 (06) (L35), T105 (06) (LB4), T105 (16) (L35)

$19.36—44.16

Available in 38 shops

Add to cart

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