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  2. Auto Parts
  3. Trans Components - Automatic
  4. Automatic Transmission Components
  5. Auto Trans Vacuum Modulator
  6. ACDelco 89057789

ACDelco 89057789 Auto Trans Vacuum Modulator

ACDelco 89057789 Auto Trans Vacuum Modulator

ACDelco
Brand:ACDelco
Part Number: 89057789
UPC: 00021625996370
Weight: 4.34 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

MODULATOR ASM VAC (B)

ACDelco Professional Automatic Transmission Modulator Valve is a high quality aftermarket replacement component for one or more of the following vehicle systems: cooling, hvac, ignition, starting and charging, body-electrical and lighting, wiper and washer, and/or engine fuel management. This premium aftermarket valve is manufactured to meet or exceed your expectations for fit, form, and function. WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Through our GM Original Equipment and Professional, premium aftermarket product lines, we provide ignition system and switch products for all models of GM vehicles on the road today. With ACDelco Ignition System and Switch products you can rest assured that your vehicle is receiving high quality parts engineered for long lasting performance, durability, and dependability.

ACDelco offers a full line of Professional, premium aftermarket Ignition System and Switch products for all makes of GM vehicles on the road today. Professional distributor caps and rotors, ignition coils, ignition modules, sensors, relays, switches, and voltage regulators are all designed to replace your worn equipment while providing precise fit, form, and function for your vehicle. ACDelco Professional, premium aftermarket Ignition System and Switch products deliver the high quality you expect from ACDelco while providing the durability and dependability that your vehicle needs.

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:

Adjustable:
Yes
Attachment Type:
Bracket
Gasket Or Seal Included:
Yes
Hose Connector Quantity:
1
Hose Quantity:
1
Mounting Type:
Push-In
Stripe Color:
Gray

Manufacturer Warranty:

24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details.

Select a vehicle to narrow ACDelco 89057789 Auto Trans Vacuum Modulator fitment info!

Last Updated: 02/25/2022

Years Vehicle Per Vehicle Fit NotesFitment Notes

1975

 

1975

 
Buick Apollo

5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM350
 

Buick Apollo



5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM350

1 Per Vehicle

1977

 

1977

 
Buick Century

5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM400
 

Buick Century



5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Century

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400
 

Buick Century



5.7L V8 Gas OHV Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Century

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Buick Century



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1975

 

1975

 
Buick Century

5.7L V8 Gas OHV
1
 
Professional
Mfr Code: THM350
 

Buick Century



5.7L V8 Gas OHV Professional
Mfr Code: THM350

1 Per Vehicle

1980

 

1979

 

1978

 

1980

 

1979

 

1978

 
Buick Electra

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: X
3 Speed
Mfr Code: THM400
 

Buick Electra



5.7L V8 Gas OHV Professional
8th VIN Digit: X
3 Speed
Mfr Code: THM400

1 Per Vehicle

1980

 

1979

 

1978

 

1977

 

1980

 

1979

 

1978

 

1977

 
Buick Electra

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Buick Electra



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Electra

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: H
3 Speed
Mfr Code: THM400
 

Buick Electra



5.7L V8 Gas OHV Professional
8th VIN Digit: H
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Electra

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400
 

Buick Electra



5.7L V8 Gas OHV Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400

1 Per Vehicle

1978

 

1978

 
Buick LeSabre

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: X
3 Speed
Mfr Code: THM400
 

Buick LeSabre



5.7L V8 Gas OHV Professional
8th VIN Digit: X
3 Speed
Mfr Code: THM400

1 Per Vehicle

1978

 

1978

 
Buick LeSabre

6.6L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM400
 

Buick LeSabre



6.6L V8 Gas OHV Professional
3 Speed
Mfr Code: THM400

1 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Buick LeSabre

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Buick LeSabre



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick LeSabre

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400
 

Buick LeSabre



5.7L V8 Gas OHV Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400

1 Per Vehicle

1975

 

1975

 
Buick LeSabre

5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM350
 

Buick LeSabre



5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM350

1 Per Vehicle

1975

 

1975

 
Buick LeSabre

5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM375/M39
 

Buick LeSabre



5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM375/M39

1 Per Vehicle

1977

 

1977

 
Buick Regal

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: H
3 Speed
Mfr Code: THM400
 

Buick Regal



5.7L V8 Gas OHV Professional
8th VIN Digit: H
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Regal

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400
 

Buick Regal



5.7L V8 Gas OHV Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Regal

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Buick Regal



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1975

 

1975

 
Buick Regal

5.7L V8 Gas OHV
1
 
Professional
Mfr Code: THM350
 

Buick Regal



5.7L V8 Gas OHV Professional
Mfr Code: THM350

1 Per Vehicle

1980

 

1980

 
Buick Riviera

5.0L V8 Gas OHV,
5.7L V8 Diesel OHV,
5.7L V8 Gas OHV
1
 
Professional
w/ Brown Dot
Screw Type Cap
 

Buick Riviera



5.0L V8 Gas OHV,
5.7L V8 Diesel OHV,
5.7L V8 Gas OHV Professional
w/ Brown Dot
Screw Type Cap

1 Per Vehicle

1978

 

1978

 
Buick Riviera

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: X
3 Speed
Mfr Code: THM400
 

Buick Riviera



5.7L V8 Gas OHV Professional
8th VIN Digit: X
3 Speed
Mfr Code: THM400

1 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Buick Riviera

5.7L V8 Gas OHV
1
 
Professional
w/ Federal Emissions
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Buick Riviera



5.7L V8 Gas OHV Professional
w/ Federal Emissions
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Buick Riviera

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400
 

Buick Riviera



5.7L V8 Gas OHV Professional
8th VIN Digit: J
3 Speed
Mfr Code: THM400

1 Per Vehicle

1975

 

1975

 
Buick Skylark

3.8L V6 Gas OHV,
5.7L V8 Gas OHV
1
 
Professional
 

Buick Skylark



3.8L V6 Gas OHV,
5.7L V8 Gas OHV Professional

1 Per Vehicle

1976

 

1976

 
Cadillac Calais

8.2L V8 Gas OHV
1
 
Professional
Fuel Sys: FI
3 Speed
Mfr Code: THM400
 

Cadillac Calais



8.2L V8 Gas OHV Professional
Fuel Sys: FI
3 Speed
Mfr Code: THM400

1 Per Vehicle

1980

 

1980

 
Cadillac Commercial Chassis

6.0L V8 Gas OHV
1
 
Professional
w/ Calif. Emissions
From VIN 188506
3 Speed
Mfr Code: THM400
 

Cadillac Commercial Chassis



6.0L V8 Gas OHV Professional
w/ Calif. Emissions
From VIN 188506
3 Speed
Mfr Code: THM400

1 Per Vehicle

1980

 

1980

 
Cadillac DeVille

6.0L V8 Gas OHV
1
 
Professional
w/ 2.56 or 2.73 Axle Ratio
3 Speed
Mfr Code: THM400
 

Cadillac DeVille



6.0L V8 Gas OHV Professional
w/ 2.56 or 2.73 Axle Ratio
3 Speed
Mfr Code: THM400

1 Per Vehicle

1979

 

1979

 
Cadillac DeVille

7.0L V8 Gas OHV
1
 
Professional
w/ 2.28, 2.73 or 3.08 Axle Ratio
3 Speed
Mfr Code: THM400
 

Cadillac DeVille



7.0L V8 Gas OHV Professional
w/ 2.28, 2.73 or 3.08 Axle Ratio
3 Speed
Mfr Code: THM400

1 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Cadillac DeVille

7.0L V8 Gas OHV
1
 
Professional
 

Cadillac DeVille



7.0L V8 Gas OHV Professional

1 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Cadillac Eldorado

7.0L V8 Gas OHV
1
 
Professional
OE Style
3 Speed
Mfr Code: THM425
 

Cadillac Eldorado



7.0L V8 Gas OHV Professional
OE Style
3 Speed
Mfr Code: THM425

1 Per Vehicle

1983

 

1982

 

1981

 

1983

 

1982

 

1981

 
Cadillac Fleetwood

6.0L V8 Gas OHV
1
 
Professional
Limousine
3 Speed
Mfr Code: THM400
 

Cadillac Fleetwood



6.0L V8 Gas OHV Professional
Limousine
3 Speed
Mfr Code: THM400

1 Per Vehicle

1980

 

1980

 
Cadillac Fleetwood

6.0L V8 Gas OHV
1
 
Professional
w/ 2.56 or 2.73 Axle Ratio
3 Speed
Mfr Code: THM400
 

Cadillac Fleetwood



6.0L V8 Gas OHV Professional
w/ 2.56 or 2.73 Axle Ratio
3 Speed
Mfr Code: THM400

1 Per Vehicle

1979

 

1979

 
Cadillac Fleetwood

7.0L V8 Gas OHV
1
 
Professional
w/ 2.28, 2.73 or 3.08 Axle Ratio
3 Speed
Mfr Code: THM400
 

Cadillac Fleetwood



7.0L V8 Gas OHV Professional
w/ 2.28, 2.73 or 3.08 Axle Ratio
3 Speed
Mfr Code: THM400

1 Per Vehicle

1978

 

1977

 

1978

 

1977

 
Cadillac Fleetwood

7.0L V8 Gas OHV
1
 
Professional
 

Cadillac Fleetwood



7.0L V8 Gas OHV Professional

1 Per Vehicle

1976

 

1976

 
Cadillac Fleetwood

8.2L V8 Gas OHV
1
 
Professional
Fuel Sys: CARB
3 Speed
Mfr Code: THM400
 

Cadillac Fleetwood



8.2L V8 Gas OHV Professional
Fuel Sys: CARB
3 Speed
Mfr Code: THM400

1 Per Vehicle

1976

 

1976

 
Cadillac Seville

5.7L V8 Gas OHV
1
 
Professional
 

Cadillac Seville



5.7L V8 Gas OHV Professional

1 Per Vehicle

1973

 

1973

 
Chevrolet Monte Carlo

5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM350
 

Chevrolet Monte Carlo



5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM350

1 Per Vehicle

1981

 

1981

 
Oldsmobile 98

5.0L V8 Gas OHV
1
 
Professional
8th VIN Digit: Y
Mfr Code: THM250C/M31
 

Oldsmobile 98



5.0L V8 Gas OHV Professional
8th VIN Digit: Y
Mfr Code: THM250C/M31

1 Per Vehicle

1981

 

1981

 
Oldsmobile 98

5.0L V8 Gas OHV
1
 
Professional
8th VIN Digit: Y
Mfr Code: THM350C
 

Oldsmobile 98



5.0L V8 Gas OHV Professional
8th VIN Digit: Y
Mfr Code: THM350C

1 Per Vehicle

1980

 

1980

 
Oldsmobile 98

5.0L V8 Gas OHV
1
 
Professional
8th VIN Digit: Y
 

Oldsmobile 98



5.0L V8 Gas OHV Professional
8th VIN Digit: Y

1 Per Vehicle

1980

 

1980

 
Oldsmobile 98

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Oldsmobile 98



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1979

 

1978

 

1979

 

1978

 
Oldsmobile 98

5.7L V8 Diesel OHV,
5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM400
 

Oldsmobile 98



5.7L V8 Diesel OHV,
5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Oldsmobile 98

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Oldsmobile 98



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Oldsmobile Custom Cruiser

5.7L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM400
 

Oldsmobile Custom Cruiser



5.7L V8 Gas OHV Professional
3 Speed
Mfr Code: THM400

1 Per Vehicle

1975

 

1975

 
Oldsmobile Cutlass

4.3L V8 Gas OHV
1
 
Professional
Mfr Code: THM350
 

Oldsmobile Cutlass



4.3L V8 Gas OHV Professional
Mfr Code: THM350

1 Per Vehicle

1975

 

1975

 
Oldsmobile Cutlass Supreme

4.3L V8 Gas OHV
1
 
Professional
Mfr Code: THM350
 

Oldsmobile Cutlass Supreme



4.3L V8 Gas OHV Professional
Mfr Code: THM350

1 Per Vehicle

1975

 

1975

 
Oldsmobile Omega

4.3L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM350
 

Oldsmobile Omega



4.3L V8 Gas OHV Professional
3 Speed
Mfr Code: THM350

1 Per Vehicle

1980

 

1980

 
Oldsmobile Toronado

5.0L V8 Gas OHV
1
 
Professional
w/ Brown Dot
 

Oldsmobile Toronado



5.0L V8 Gas OHV Professional
w/ Brown Dot

1 Per Vehicle

1980

 

1979

 

1980

 

1979

 
Oldsmobile Toronado

5.7L V8 Diesel OHV,
5.7L V8 Gas OHV
1
 
Professional
w/ Brown Dot
 

Oldsmobile Toronado



5.7L V8 Diesel OHV,
5.7L V8 Gas OHV Professional
w/ Brown Dot

1 Per Vehicle

1976

 

1976

 
Oldsmobile Toronado

7.5L V8 Gas OHV
1
 
Professional
 

Oldsmobile Toronado



7.5L V8 Gas OHV Professional

1 Per Vehicle

1980

 

1980

 
Pontiac Firebird

4.9L V8 Gas OHV,
4.9L V8 Gas OHV Turbo
1
 
Professional
3 Speed
Mfr Code: THM250C/M31
 

Pontiac Firebird



4.9L V8 Gas OHV,
4.9L V8 Gas OHV Turbo Professional
3 Speed
Mfr Code: THM250C/M31

1 Per Vehicle

1977

 

1977

 
Pontiac Firebird

6.6L V8 Gas OHV
1
 
Professional
Mfr Code: THM350
 

Pontiac Firebird



6.6L V8 Gas OHV Professional
Mfr Code: THM350

1 Per Vehicle

1977

 

1977

 
Pontiac Grand LeMans

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Pontiac Grand LeMans



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Pontiac Grand Prix

6.6L V8 Gas OHV
1
 
Professional
3 Speed
Mfr Code: THM400
 

Pontiac Grand Prix



6.6L V8 Gas OHV Professional
3 Speed
Mfr Code: THM400

1 Per Vehicle

1977

 

1977

 
Pontiac LeMans

5.7L V8 Gas OHV
1
 
Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400
 

Pontiac LeMans



5.7L V8 Gas OHV Professional
8th VIN Digit: R
3 Speed
Mfr Code: THM400

1 Per Vehicle


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