{
    "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
}
1986 Buick Riviera
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
1986 Buick Riviera

1986 Buick Riviera Thermostats

Refine by:

Shop Catalog

Showing 1 - 14 of 14 results
Sort by:
High Flow Series Thermostat
Motorad®
High Flow Series Thermostat
Part Number: MRD2003-180
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 180 DegreesSeries : High Flow SeriesRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD203-180
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
High Flow Series Thermostat
Motorad®
High Flow Series Thermostat
Part Number: MRD2003-195
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 192 degreesSeries : High Flow SeriesRecommended Use : OE Replacement
Professional Series Thermostat
AC Delco®
Professional Series Thermostat
Part Number: AC12T4E
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L
Product Details
Notes : OEM recommended temperature; StandardQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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.

Opening Temperature Rating : 91 degrees CSeries : Professional SeriesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
UltraStat Series Thermostat
Motorad®
UltraStat Series Thermostat
Part Number: MRD5203-195
Guaranteed to Fit
$10.99
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 195 degreesSeries : UltraStat SeriesRecommended Use : OE Replacement
UltraStat Series Thermostat
Motorad®
UltraStat Series Thermostat
Part Number: MRD5203-180
Guaranteed to Fit
$9.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 180 DegreesSeries : UltraStat SeriesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Motorad®
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7203-195
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 195 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Motorad®
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7203-180
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 180F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 180 DegreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Motorad®
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7203-160
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 160F; Alternate Temperature Option
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 160F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 160 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD203-195
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 195F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 192 degreesRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD203-160
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L Temperature 160F; Alternate Temperature Option
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L Temperature 160F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 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.

Opening Temperature Rating : 160 degreesRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33428
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L GAS, 180 Degree
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L GAS, 180 Degree
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.

Promotions : Cooling EssentialsOpening Temperature Rating : 180 DegreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33429S
Guaranteed to Fit
$10.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L GAS, 195 Degree
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L GAS, 195 Degree
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.

Promotions : Cooling EssentialsOpening Temperature Rating : 195 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33428S
Guaranteed to Fit
$11.49
Vehicle Fitment
  • 1986 Buick Riviera Luxury 6 Cyl 3.8L GAS, 180 Degree
  • 1986 Buick Riviera T-Type 6 Cyl 3.8L GAS, 180 Degree
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.

Promotions : Cooling EssentialsOpening Temperature Rating : 180 DegreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 14 of 14 results

Popular Products

Product Questions & Answers

Gates Gates OE Replacement Thermostat
$10.49
Q:does gasket come with thermostat ?
jerry e.
A:BEST ANSWERHi Jerry, I'm pleased to assist you. No, the gasket is not included. It is sold separately. Let me provide you with the 2 links to complete your order. Click on the links below to see and order at discounted prices while supplies last. I hope this is helpful. Enjoy shopping at Carparts.com! Thermostat - https://www.carparts.com/thermostat/gates/gat33429s?can=CPGG4850 Gasket - https://www.carparts.com/search?q=thermostat_gasket&vehicle[year]=1980&vehicle[make]=Chevrolet&vehicle[model]=Monte_Carlo&vehicle[submodel]=Sport&vehicle[cylinders]=6&vehicle[liter]=3%2E8&can=CPGG4850 Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >
Gates Gates OE Replacement Thermostat
$6.99
Q:Can I use a 190 degree thermostats?
Larry G.
A:BEST ANSWERHello! You could, however, this is a 180 degree thermostat. I would use whatever thermostat was originally specified by your engine manufacturer. Show less
Mitchell D.
 
1 Question, 1 AnswerView all Q&As >
Gates Gates OE Replacement Thermostat
$11.49
Q:What comes with the part?
A shopper
A:BEST ANSWERHi, This is the Thermostat only as shown on the photo.
Aldrin P.
 
3 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

P0597 Code: Thermostat Heater Control Circuit / Open
P0597 Code: Thermostat Heater Control Circuit / OpenDiagnostic trouble code (DTC) P0597 code stands for “Thermostat Heater Control Circuit/Open.”
What Does It Mean When the Engine Is Hot While the AC Is Off?
What Does It Mean When the Engine Is Hot While the AC Is Off?If you’re wondering how your engine gets so hot even if the air conditioning is off, then there are many explanations as to why. Usually, it’s due to a lack of coolant. In other cases, the culprit for an overheating engine is broken parts. Here are some of the potential
What Does Check Gauges Mean?
What Does Check Gauges Mean?The check gauge light is usually triggered once the PCM detects something reading that’s outside normal parameters. These readings include: Coolant TemperatureEngine RPMFuel LevelOil PressureTransmission temperatureTire PressureWheel SpeedVoltmeter Common Triggers of the Check Gauges Light
What Causes a Car to Overheat When Idling?
What Causes a Car to Overheat When Idling?Leaving your AC running may contribute to this problem because the car’s AC forces the engine to work harder. These factors combined can make the engine overheat very quickly. A simple solution would be to turn off the AC in hopes of lowering the temperature of the engine, but if
Why Is My Car Heater Not Blowing Hot Air?
Why Is My Car Heater Not Blowing Hot Air?The heater core distributes heat, blowing it into the air with a blower fan. In many ways, you could compare the heater core to a radiator because they are both heat exchangers. Damaged heater cores often go hand in hand with coolant problems.
Where Is the Thermostat Located?
Where Is the Thermostat Located?Have you driven your vehicle recently? Because if the answer’s yes, you’ll want to turn off the engine and let it cool down before trying to access the thermostat. This is because you’ll have to unclamp your radiator hose and drain your coolant before you can get to your thermostat.