{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2018 GMC Sierra 3500 HD

2018 GMC Sierra 3500 HD Wiring Harness Connectors

Refine by:

Shop Catalog

Showing 1 - 8 of 8 results
Sort by:
Wiring Harness Connector
Part Number: ACPT3779
Guaranteed to Fit
$44.49
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Extended Cab Pickup, TRAILER BRAKE CONTROL SWITCH, SI ELEC CODE: S76
  • 2018 GMC Sierra 3500 HD SLE All Engines 2-Door, Standard Cab Pickup, TRAILER BRAKE CONTROL SWITCH, SI ELEC CODE: S76
  • 2018 GMC Sierra 3500 HD Base All Engines 4-Door, Extended Cab Pickup, TRAILER BRAKE CONTROL SWITCH, SI ELEC CODE: S76
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup, TRAILER BRAKE CONTROL SWITCH, SI ELEC CODE: S76
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Wiring Harness Connector
Part Number: ACPT2785
Guaranteed to Fit
$21.99
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Crew Cab Pickup, Cooling Fan Control Module; Si Elec Code: K22; Engine Harness To Camshaft Position Sensor Jumper Harness; Si Elec Code: X159
  • 2018 GMC Sierra 3500 HD Base All Engines 4-Door, Extended Cab Pickup, Cooling Fan Control Module; Si Elec Code: K22; Engine Harness To Camshaft Position Sensor Jumper Harness; Si Elec Code: X159
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup, Cooling Fan Control Module; Si Elec Code: K22; Engine Harness To Camshaft Position Sensor Jumper Harness; Si Elec Code: X159
  • 2018 GMC Sierra 3500 HD SLE All Engines 4-Door, Extended Cab Pickup, Cooling Fan Control Module; Si Elec Code: K22; Engine Harness To Camshaft Position Sensor Jumper Harness; Si Elec Code: X159
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Wiring Harness Connector
Part Number: ACPT2612
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Extended Cab Pickup, EVAPORATIVE EMISSION VENT SOLENOID VALVE, SI ELEC CODE: Q13, HORN, SI ELEC CODE: P12
  • 2018 GMC Sierra 3500 HD SLE All Engines 4-Door, Cab & Chassis, EVAPORATIVE EMISSION VENT SOLENOID VALVE, SI ELEC CODE: Q13, HORN, SI ELEC CODE: P12
  • 2018 GMC Sierra 3500 HD Base All Engines 4-Door, Extended Cab Pickup, EVAPORATIVE EMISSION VENT SOLENOID VALVE, SI ELEC CODE: Q13, HORN, SI ELEC CODE: P12
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup, EVAPORATIVE EMISSION VENT SOLENOID VALVE, SI ELEC CODE: Q13, HORN, SI ELEC CODE: P12
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Wiring Harness Connector
Part Number: AC23378668
Guaranteed to Fit
$16.49
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Extended Cab Pickup
  • 2018 GMC Sierra 3500 HD Base All Engines 4-Door, Cab & Chassis
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup
  • 2018 GMC Sierra 3500 HD SLE All Engines 4-Door, Crew Cab Pickup
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Wiring Harness Connector
Part Number: AC84677313
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD All Submodels All Engines Multifunction Intake Air Sensor; Si Elec Code: B75C
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Wiring Harness Connector
Part Number: ACPT2629
Guaranteed to Fit
$26.49
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Crew Cab Pickup, Terminating Resistor - High Speed Buslve, Si Elec Code: R6A, Terminating Resistor - High Speed Bus, Terminating Resistor - High Speed Extension Bus 1, Si Elec Code: R6E, Terminating Resistor - High Speed Extension Bus 2, Si Elec Code: R6F
  • 2018 GMC Sierra 3500 HD Base All Engines 4-Door, Extended Cab Pickup, Terminating Resistor - High Speed Buslve, Si Elec Code: R6A, Terminating Resistor - High Speed Bus, Terminating Resistor - High Speed Extension Bus 1, Si Elec Code: R6E, Terminating Resistor - High Speed Extension Bus 2, Si Elec Code: R6F
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup, Terminating Resistor - High Speed Buslve, Si Elec Code: R6A, Terminating Resistor - High Speed Bus, Terminating Resistor - High Speed Extension Bus 1, Si Elec Code: R6E, Terminating Resistor - High Speed Extension Bus 2, Si Elec Code: R6F
  • 2018 GMC Sierra 3500 HD SLE All Engines 2-Door, Cab & Chassis, Terminating Resistor - High Speed Buslve, Si Elec Code: R6A, Terminating Resistor - High Speed Bus, Terminating Resistor - High Speed Extension Bus 1, Si Elec Code: R6E, Terminating Resistor - High Speed Extension Bus 2, Si Elec Code: R6F
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Wiring Harness Connector
Part Number: ACPT2923
Guaranteed to Fit
$31.99
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Extended Cab Pickup, HEATED OXYGEN SENSOR - BANK 1 SENSOR 1, SI ELEC CODE: B52C BLACK, HEATED OXYGEN SENSOR - BANK 2 SENSOR 1, SI ELEC CODE: B52E BLACK, INTAKE MANIFOLD PRESSURE AND AIR TEMPERATURE SENSOR, SI ELEC CODE: B65 BLACK
  • 2018 GMC Sierra 3500 HD SLE All Engines 4-Door, Crew Cab Pickup, HEATED OXYGEN SENSOR - BANK 1 SENSOR 1, SI ELEC CODE: B52C BLACK, HEATED OXYGEN SENSOR - BANK 2 SENSOR 1, SI ELEC CODE: B52E BLACK, INTAKE MANIFOLD PRESSURE AND AIR TEMPERATURE SENSOR, SI ELEC CODE: B65 BLACK
  • 2018 GMC Sierra 3500 HD Base All Engines 2-Door, Cab & Chassis, HEATED OXYGEN SENSOR - BANK 1 SENSOR 1, SI ELEC CODE: B52C BLACK, HEATED OXYGEN SENSOR - BANK 2 SENSOR 1, SI ELEC CODE: B52E BLACK, INTAKE MANIFOLD PRESSURE AND AIR TEMPERATURE SENSOR, SI ELEC CODE: B65 BLACK
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup, HEATED OXYGEN SENSOR - BANK 1 SENSOR 1, SI ELEC CODE: B52C BLACK, HEATED OXYGEN SENSOR - BANK 2 SENSOR 1, SI ELEC CODE: B52E BLACK, INTAKE MANIFOLD PRESSURE AND AIR TEMPERATURE SENSOR, SI ELEC CODE: B65 BLACK
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile AC Delco limited warrantyRecommended Use : OE ReplacementProduct Fit : Direct Fit
Wiring Harness Connector
Part Number: ACPT2979
Guaranteed to Fit
$46.49
Vehicle Fitment
  • 2018 GMC Sierra 3500 HD SLT All Engines 4-Door, Extended Cab Pickup, Heated Oxygen Sensor - Bank 1 Sensor 1, Si Elec Code: B52C, 4-Way Female Gray
  • 2018 GMC Sierra 3500 HD SLE All Engines 4-Door, Extended Cab Pickup, Heated Oxygen Sensor - Bank 1 Sensor 1, Si Elec Code: B52C, 4-Way Female Gray
  • 2018 GMC Sierra 3500 HD Base All Engines 4-Door, Extended Cab Pickup, Heated Oxygen Sensor - Bank 1 Sensor 1, Si Elec Code: B52C, 4-Way Female Gray
  • 2018 GMC Sierra 3500 HD Denali All Engines 4-Door, Crew Cab Pickup, Heated Oxygen Sensor - Bank 1 Sensor 1, Si Elec Code: B52C, 4-Way Female Gray
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Quantity Sold : Sold individuallyWarranty : 1-year or 12,000-mile AC Delco limited warrantyRecommended Use : OE ReplacementProduct Fit : Direct Fit
Page 1 of 1 | Showing 1 - 8 of 8 results

Popular Products

Product Questions & Answers

Q:Is this an own replace Ent for the tailgate locking harness?
Jeremy S.
A:BEST ANSWERHi Jeremy, thank you for reaching out. We are unable to answer your question accurately due to a lack of information. Kindly call our parts team at 1-866-529-0412 and tell us more about your vehicle. Have a nice day. Show less
Aldrin P.
 
2 Questions, 1 AnswerView all Q&As >