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ACDelco 15-20666 Drive Belt Idler Pulley

ACDelco 15-20666 Drive Belt Idler Pulley Image 1
ACDelco 15-20666 Drive Belt Idler Pulley Image 2
ACDelco 15-20666 Drive Belt Idler Pulley Image 3
ACDelco 15-20666 Drive Belt Idler Pulley Image 4
ACDelco 15-20666 Drive Belt Idler Pulley

ACDelco
Brand:ACDelco
Part Number: 15-20666
UPC: 00707773460689
Weight: 0.5 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

PULLEY B (B)

ACDelco Professional Drive Belt Idler Pulley is a high quality aftermarket replacement component for one or more of the following vehicle systems: hvac. This premium aftermarket pulley is manufactured to meet or exceed your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Manufactured to meet expectations for fit, form, and function
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco

Specifications:

Belt Type:
V-belt
Color:
Grey
Groove Quantity:
1
Inside Diameter:
0.6875 mm
Inside Diameter:
0.69 in.
Material:
Steel
Mount Hole Quantity:
1
Outside Diameter:
3.125 in.
Outside Diameter:
3.125 mm
Width:
0.5 in.
Width:
12.7 mm
Country of Origin:
US

Select a vehicle to narrow ACDelco 15-20666 Drive Belt Idler Pulley fitment info!

Last Updated: 05/27/2023

Years Vehicle Per Vehicle Position Fit NotesFitment Notes
American Motors Ambassador

4.7L V8 Gas,
5.6L V8 Gas,
5.6L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Ambassador



4.7L V8 Gas,
5.6L V8 Gas,
5.6L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Ambassador

4.7L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Ambassador



4.7L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Ambassador

5.4L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Ambassador



5.4L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Ambassador

5.3L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Ambassador



5.3L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors American

4.7L V8 Gas OHV,
5.6L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors American



4.7L V8 Gas OHV,
5.6L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors AMX

5.9L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors AMX



5.9L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors AMX

6.4L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors AMX



6.4L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors AMX

4.7L V8 Gas OHV,
5.6L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors AMX



4.7L V8 Gas OHV,
5.6L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Gremlin

3.8L L6 Gas OHV,
4.2L L6 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Gremlin



3.8L L6 Gas OHV,
4.2L L6 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Javelin

4.2L L6 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Javelin



4.2L L6 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Javelin

3.8L L6 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Javelin



3.8L L6 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Javelin

6.6L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Javelin



6.6L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Javelin

5.0L V8 Gas OHV,
5.9L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Javelin



5.0L V8 Gas OHV,
5.9L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Javelin

6.4L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Javelin



6.4L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Javelin

4.7L V8 Gas OHV,
5.6L V8 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Javelin



4.7L V8 Gas OHV,
5.6L V8 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
American Motors Matador

3.8L L6 Gas OHV,
4.2L L6 Gas OHV
1
 
 
Professional
Intermediate Pulley (Grooved)
 

American Motors Matador



3.8L L6 Gas OHV,
4.2L L6 Gas OHV Professional
Intermediate Pulley (Grooved)

1 Per Vehicle
Buick Century

2.5L L4 Gas OHV
1
 
 
Professional
Coupe
 

Buick Century



2.5L L4 Gas OHV Professional
Coupe

1 Per Vehicle
Buick Century

2.5L L4 Gas OHV
1
 
 
Professional
Sedan
 

Buick Century



2.5L L4 Gas OHV Professional
Sedan

1 Per Vehicle
Buick Century

2.5L L4 Gas OHV
1
 
 
Drive Belt Tensioner Pulley
Professional
Coupe
 

Buick Century



2.5L L4 Gas OHV Drive Belt Tensioner Pulley
Professional
Coupe

1 Per Vehicle
Buick Century

2.5L L4 Gas OHV
1
 
 
Drive Belt Tensioner Pulley
Professional
Sedan
 

Buick Century



2.5L L4 Gas OHV Drive Belt Tensioner Pulley
Professional
Sedan

1 Per Vehicle
Buick Skyhawk

1.8L L4 Gas SOHC Turbo
1
 
 
Professional
 

Buick Skyhawk



1.8L L4 Gas SOHC Turbo Professional

1 Per Vehicle
Buick Skyhawk

2.0L L4 Gas OHV
1
 
 
Professional
 

Buick Skyhawk



2.0L L4 Gas OHV Professional

1 Per Vehicle
Buick Skyhawk

1.8L L4 Gas SOHC
1
 
 
Professional
 

Buick Skyhawk



1.8L L4 Gas SOHC Professional

1 Per Vehicle
Buick Skyhawk

1.8L L4 Gas OHV
1
 
 
Professional
 

Buick Skyhawk



1.8L L4 Gas OHV Professional

1 Per Vehicle
Buick Somerset

2.5L L4 Gas OHV
1
 
 
Professional
 

Buick Somerset



2.5L L4 Gas OHV Professional

1 Per Vehicle
Cadillac Cimarron

2.0L L4 Gas OHV
1
 
 
Professional
 

Cadillac Cimarron



2.0L L4 Gas OHV Professional

1 Per Vehicle
Cadillac Cimarron

1.8L L4 Gas OHV
1
 
 
Professional
 

Cadillac Cimarron



1.8L L4 Gas OHV Professional

1 Per Vehicle
Chevrolet Astro

4.3L V6 Gas OHV
1
 
 
Professional
 

Chevrolet Astro



4.3L V6 Gas OHV Professional

1 Per Vehicle
Chevrolet Cavalier

2.0L L4 Gas OHV
1
 
 
Professional
 

Chevrolet Cavalier



2.0L L4 Gas OHV Professional

1 Per Vehicle
Chevrolet Cavalier

1.8L L4 Gas OHV
1
 
 
Professional
 

Chevrolet Cavalier



1.8L L4 Gas OHV Professional

1 Per Vehicle
Chevrolet G10

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
 
Professional
w/ AC
 

Chevrolet G10



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Professional
w/ AC

1 Per Vehicle
Chevrolet G20

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
 
Professional
w/ AC
 

Chevrolet G20



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV Professional
w/ AC

1 Per Vehicle
Chevrolet G30

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
 
Professional
w/ AC
 

Chevrolet G30



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV Professional
w/ AC

1 Per Vehicle
Dodge Colt

1.5L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Dodge Colt



1.5L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Dodge Colt

2.0L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Dodge Colt



2.0L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Eagle Summit

1.5L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Eagle Summit



1.5L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Ford F-100

5.0L V8 Gas OHV
1
 
Left (Driver)
 
Professional
w/ Factory Air
 

Ford F-100



5.0L V8 Gas OHV

Left (Driver) Professional
w/ Factory Air

1 Per Vehicle
Ford F-100

5.0L V8 Gas OHV
1
 
Left (Driver)
 
Professional
 

Ford F-100



5.0L V8 Gas OHV

Left (Driver) Professional

1 Per Vehicle
Ford F-250

5.0L V8 Gas OHV
1
 
Left (Driver)
 
Professional
w/ Factory Air
 

Ford F-250



5.0L V8 Gas OHV

Left (Driver) Professional
w/ Factory Air

1 Per Vehicle
Ford F-250

5.0L V8 Gas OHV
1
 
Left (Driver)
 
Professional
 

Ford F-250



5.0L V8 Gas OHV

Left (Driver) Professional

1 Per Vehicle
Ford F-350

5.0L V8 Gas OHV
1
 
Left (Driver)
 
Professional
w/ Factory Air
 

Ford F-350



5.0L V8 Gas OHV

Left (Driver) Professional
w/ Factory Air

1 Per Vehicle
Ford Fairlane

5.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Ford Fairlane



5.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Ford Fairlane

5.8L V8 Gas OHV
1
 
 
Professional
Fixed
 

Ford Fairlane



5.8L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Ford Fairlane

4.7L V8 Gas OHV,
6.4L V8 Gas OHV
1
 
Left (Driver)
 
Professional
 

Ford Fairlane



4.7L V8 Gas OHV,
6.4L V8 Gas OHV

Left (Driver) Professional

1 Per Vehicle
Ford Falcon

5.0L V8 Gas OHV
1
 
Left (Driver)
 
Professional
 

Ford Falcon



5.0L V8 Gas OHV

Left (Driver) Professional

1 Per Vehicle
Ford Falcon

4.7L V8 Gas OHV
1
 
Left (Driver)
 
Professional
 

Ford Falcon



4.7L V8 Gas OHV

Left (Driver) Professional

1 Per Vehicle
Ford Falcon

4.7L V8 Gas
1
 
Left (Driver)
 
Professional
 

Ford Falcon



4.7L V8 Gas

Left (Driver) Professional

1 Per Vehicle
Ford Festiva

1.3L L4 Gas SOHC
1
 
 
Professional
Dealer Air
 

Ford Festiva



1.3L L4 Gas SOHC Professional
Dealer Air

1 Per Vehicle
Ford Maverick

5.0L V8 Gas OHV
1
 
 
Professional
 

Ford Maverick



5.0L V8 Gas OHV Professional

1 Per Vehicle
Ford Mustang

5.0L V8 Gas OHV,
5.8L V8 Gas OHV
1
 
 
Professional
Fixed
 

Ford Mustang



5.0L V8 Gas OHV,
5.8L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Ford Mustang

7.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Ford Mustang



7.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Ford Mustang

4.7L V8 Gas OHV,
5.0L V8 Gas OHV
1
 
 
Professional
From 3/1/68
Fixed
 

Ford Mustang



4.7L V8 Gas OHV,
5.0L V8 Gas OHV Professional
From 3/1/68
Fixed

1 Per Vehicle
Ford Thunderbird

6.6L V8 Gas OHV,
7.0L V8 Gas OHV,
7.5L V8 Gas OHV
1
 
 
Professional
From 10/4/71
 

Ford Thunderbird



6.6L V8 Gas OHV,
7.0L V8 Gas OHV,
7.5L V8 Gas OHV Professional
From 10/4/71

1 Per Vehicle
Ford Thunderbird

7.0L V8 Gas OHV
1
 
 
Professional
4BBL
 

Ford Thunderbird



7.0L V8 Gas OHV Professional
4BBL

1 Per Vehicle
Ford Thunderbird

7.0L V8 Gas OHV
1
 
 
Professional
 

Ford Thunderbird



7.0L V8 Gas OHV Professional

1 Per Vehicle
Ford Torino

5.0L V8 Gas OHV,
5.8L V8 Gas OHV
1
 
 
Professional
Fixed
 

Ford Torino



5.0L V8 Gas OHV,
5.8L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Ford Torino

5.0L V8 Gas OHV
1
 
 
Professional
From 3/1/68
Fixed
 

Ford Torino



5.0L V8 Gas OHV Professional
From 3/1/68
Fixed

1 Per Vehicle
Ford Torino

6.4L V8 Gas OHV
1
 
 
Professional
Fixed
 

Ford Torino



6.4L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Ford Torino

7.0L V8 Gas OHV
1
 
 
Professional
Fixed
Cobra Jet
 

Ford Torino



7.0L V8 Gas OHV Professional
Fixed
Cobra Jet

1 Per Vehicle
GMC G1500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV
1
 
 
Professional
w/ AC
 

GMC G1500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV Professional
w/ AC

1 Per Vehicle
GMC G2500

5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
 
Professional
w/ AC
 

GMC G2500



5.0L V8 Gas OHV,
5.7L V8 Gas OHV,
6.2L V8 Diesel OHV Professional
w/ AC

1 Per Vehicle
GMC G3500

5.7L V8 Gas OHV,
6.2L V8 Diesel OHV
1
 
 
Professional
w/ AC
 

GMC G3500



5.7L V8 Gas OHV,
6.2L V8 Diesel OHV Professional
w/ AC

1 Per Vehicle
GMC Safari

4.3L V6 Gas OHV
1
 
 
Professional
 

GMC Safari



4.3L V6 Gas OHV Professional

1 Per Vehicle
Honda Passport

2.6L L4 Gas SOHC
1
 
 
Professional
 

Honda Passport



2.6L L4 Gas SOHC Professional

1 Per Vehicle
Isuzu Amigo

2.6L L4 Gas SOHC
1
 
 
Professional
 

Isuzu Amigo



2.6L L4 Gas SOHC Professional

1 Per Vehicle
Isuzu Amigo

2.3L L4 Gas SOHC
1
 
 
Professional
 

Isuzu Amigo



2.3L L4 Gas SOHC Professional

1 Per Vehicle
Isuzu Pickup

2.3L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Isuzu Pickup



2.3L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Isuzu Pickup

2.6L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Isuzu Pickup



2.6L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Isuzu Pickup

2.3L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Isuzu Pickup



2.3L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Isuzu Rodeo

2.6L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Isuzu Rodeo



2.6L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Isuzu Trooper

2.6L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Isuzu Trooper



2.6L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Isuzu Trooper

2.3L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Isuzu Trooper



2.3L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Lincoln Continental

7.5L V8 Gas OHV
1
 
 
Professional
To 4/10/72
 

Lincoln Continental



7.5L V8 Gas OHV Professional
To 4/10/72

1 Per Vehicle
Lincoln Continental

7.5L V8 Gas OHV
1
 
 
Professional
 

Lincoln Continental



7.5L V8 Gas OHV Professional

1 Per Vehicle
Lincoln Mark III

7.5L V8 Gas OHV
1
 
 
Professional
 

Lincoln Mark III



7.5L V8 Gas OHV Professional

1 Per Vehicle
Lincoln Mark III

7.6L V8 Gas OHV
1
 
 
Professional
 

Lincoln Mark III



7.6L V8 Gas OHV Professional

1 Per Vehicle
Lincoln Mark IV

7.5L V8 Gas OHV
1
 
 
Professional
From 10/4/71
 

Lincoln Mark IV



7.5L V8 Gas OHV Professional
From 10/4/71

1 Per Vehicle
Mazda B2600

2.6L L4 Gas SOHC
1
 
 
Professional
 

Mazda B2600



2.6L L4 Gas SOHC Professional

1 Per Vehicle
Mazda MPV

2.6L L4 Gas SOHC,
3.0L V6 Gas SOHC
1
 
 
Professional
 

Mazda MPV



2.6L L4 Gas SOHC,
3.0L V6 Gas SOHC Professional

1 Per Vehicle
Mercury Capri

2.0L L4 Gas SOHC,
2.8L V6 Gas,
2.8L V6 Gas OHV
1
 
 
Professional
w/ Factory Air
 

Mercury Capri



2.0L L4 Gas SOHC,
2.8L V6 Gas,
2.8L V6 Gas OHV Professional
w/ Factory Air

1 Per Vehicle
Mercury Comet

5.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Comet



5.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Comet

5.8L V8 Gas OHV,
6.4L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Comet



5.8L V8 Gas OHV,
6.4L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Comet

5.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Comet



5.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Comet

4.7L V8 Gas OHV
1
 
 
Professional
From 3/1/67
 

Mercury Comet



4.7L V8 Gas OHV Professional
From 3/1/67

1 Per Vehicle
Mercury Cougar

5.8L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Cougar



5.8L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Cougar

7.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Cougar



7.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Cougar

6.4L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Cougar



6.4L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Cougar

5.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Cougar



5.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Marquis

5.8L V8 Gas OHV,
6.6L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Marquis



5.8L V8 Gas OHV,
6.6L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Marquis

6.4L V8 Gas OHV,
7.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Marquis



6.4L V8 Gas OHV,
7.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Marquis

7.0L V8 Gas
1
 
 
Professional
Fixed
 

Mercury Marquis



7.0L V8 Gas Professional
Fixed

1 Per Vehicle
Mercury Montego

5.0L V8 Gas OHV,
5.8L V8 Gas OHV
1
 
 
Professional
To 11/2/70
 

Mercury Montego



5.0L V8 Gas OHV,
5.8L V8 Gas OHV Professional
To 11/2/70

1 Per Vehicle
Mercury Montego

5.8L V8 Gas OHV,
6.4L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Montego



5.8L V8 Gas OHV,
6.4L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mercury Montego

7.0L V8 Gas OHV
1
 
 
Professional
Fixed
Cobra Jet
 

Mercury Montego



7.0L V8 Gas OHV Professional
Fixed
Cobra Jet

1 Per Vehicle
Mercury Montego

5.0L V8 Gas OHV
1
 
 
Professional
Fixed
 

Mercury Montego



5.0L V8 Gas OHV Professional
Fixed

1 Per Vehicle
Mitsubishi Mighty Max

2.6L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Mitsubishi Mighty Max



2.6L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Mitsubishi Mirage

1.5L L4 Gas SOHC
1
 
Air Conditioning
 
Professional
 

Mitsubishi Mirage



1.5L L4 Gas SOHC

Air Conditioning Professional

1 Per Vehicle
Nissan D21

3.0L V6 Gas SOHC
1
 
Air Conditioning
 
Drive Belt Tensioner Pulley
Professional
 

Nissan D21



3.0L V6 Gas SOHC

Air Conditioning Drive Belt Tensioner Pulley
Professional

1 Per Vehicle
Nissan Pathfinder

3.0L V6 Gas SOHC
1
 
Air Conditioning
 
Drive Belt Tensioner Pulley
Professional
 

Nissan Pathfinder



3.0L V6 Gas SOHC

Air Conditioning Drive Belt Tensioner Pulley
Professional

1 Per Vehicle
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