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  2. Auto Parts
  3. Lighting and Electrical
  4. Electrical Connectors
  5. Engine Wiring Harness Connector
  6. ACDelco PT3951

ACDelco PT3951 Engine Wiring Harness Connector

ACDelco PT3951 Engine Wiring Harness Connector Image 1
ACDelco PT3951 Engine Wiring Harness Connector Image 2
ACDelco PT3951 Engine Wiring Harness Connector

ACDelco
Brand:ACDelco
Part Number: PT3951
UPC: 00808709921554
Weight: 0.33 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the ACDelco PT3951 Engine Wiring Harness Connector for your vehicle. Buy now and secure your purchase online!

ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle's original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Manufactured to GM OE specification for fit, form, and function
  • Offering the quality, reliability, and durability of GM OE
  • Protective outer coverings help provide long-lasting durability

Specifications:

Connector Quantity:
1
Gender:
Female
Programming Required:
No
Retainers Included:
Yes
Terminal Gender:
Male
Terminal Quantity:
4
Universal Or Specific Fit:
Specific
Wire Quantity:
4
Country of Origin:
US

Select a vehicle to narrow ACDelco PT3951 Engine Wiring Harness Connector fitment info!

Last Updated: 02/11/2024

Years Vehicle Per Vehicle Position Fit NotesFitment Notes

2021

 

2021

 
Cadillac Escalade

3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR
 

Cadillac Escalade



3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV

Left (Driver) SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
Cadillac Escalade

3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR
 

Cadillac Escalade



3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV

Right (Passenger) SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

Cadillac Escalade



6.2L V8 Flex OHV,
6.2L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2018

 

2018

 
Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

Cadillac Escalade



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

Cadillac Escalade



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
Cadillac Escalade ESV

3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR
 

Cadillac Escalade ESV



3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV

Left (Driver) SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
Cadillac Escalade ESV

3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR
 

Cadillac Escalade ESV



3.0L L6 Diesel DOHC Turbo,
6.2L V8 Gas OHV

Right (Passenger) SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

Cadillac Escalade ESV



6.2L V8 Flex OHV,
6.2L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2018

 

2018

 
Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

Cadillac Escalade ESV



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

Cadillac Escalade ESV



6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
Chevrolet Silverado 1500 LD

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

Chevrolet Silverado 1500 LD



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2021

 

2021

 
Chevrolet Suburban

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR
 

Chevrolet Suburban



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Left (Driver) SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
Chevrolet Suburban

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR
 

Chevrolet Suburban



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Right (Passenger) SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
Chevrolet Suburban

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

Chevrolet Suburban



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2018

 

2018

 
Chevrolet Suburban

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

Chevrolet Suburban



5.3L V8 Flex OHV,
5.3L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
Chevrolet Suburban

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

Chevrolet Suburban



5.3L V8 Flex OHV,
5.3L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

Chevrolet Suburban 3500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
Chevrolet Suburban 3500 HD

6.0L V8 Flex OHV,
6.0L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

Chevrolet Suburban 3500 HD



6.0L V8 Flex OHV,
6.0L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
Chevrolet Tahoe

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR
 

Chevrolet Tahoe



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Left (Driver) SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
Chevrolet Tahoe

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR
 

Chevrolet Tahoe



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Right (Passenger) SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
Chevrolet Tahoe

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

Chevrolet Tahoe



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2018

 

2018

 
Chevrolet Tahoe

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

Chevrolet Tahoe



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
Chevrolet Tahoe

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

Chevrolet Tahoe



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
GMC Sierra 1500 Limited

5.3L V8 Flex OHV,
5.3L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

GMC Sierra 1500 Limited



5.3L V8 Flex OHV,
5.3L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2021

 

2021

 
GMC Yukon

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR
 

GMC Yukon



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Left (Driver) SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
GMC Yukon

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR
 

GMC Yukon



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Right (Passenger) SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
GMC Yukon

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

GMC Yukon



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2018

 

2018

 
GMC Yukon

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

GMC Yukon



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
GMC Yukon

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

GMC Yukon



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
GMC Yukon XL

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR
 

GMC Yukon XL



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Left (Driver) SI ELEC CODE: G10L
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2021

 

2021

 
GMC Yukon XL

3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR
 

GMC Yukon XL



3.0L L6 Diesel DOHC Turbo,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

Right (Passenger) SI ELEC CODE: G10R
ENGINE COOLING FAN MOTOR

1 Per Vehicle

2019

 

2019

 
GMC Yukon XL

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 		 
Multi Purpose Wire Connector
 

GMC Yukon XL



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV Multi Purpose Wire Connector

1 Per Vehicle

2018

 

2018

 
GMC Yukon XL

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Left (Driver)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR
 

GMC Yukon XL



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Left (Driver) Forward Lamp Harness Connector
SI ELEC CODE: G10L
COOLING FAN MOTOR

1 Per Vehicle

2018

 

2018

 
GMC Yukon XL

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV
1
 
Right (Passenger)
 
Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR
 

GMC Yukon XL



5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Flex OHV,
6.2L V8 Gas OHV

Right (Passenger) Forward Lamp Harness Connector
SI ELEC CODE: G10R
COOLING FAN MOTOR

1 Per Vehicle