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1977 Buick Riviera

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ACDelco 89057789 Auto Trans Vacuum Modulator
for 1977 Buick Riviera 5.7L V8 Gas OHV

ACDelco 89057789 Auto Trans Vacuum Modulator - 1977 Buick Riviera

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.

ACDelco 89057789 Auto Trans Vacuum Modulator compatibility with your 1977 Buick Riviera...

Last Updated: 02/25/2022

Years Vehicle Per Vehicle Fit NotesFitment Notes

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

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