{
    "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
}
Guaranteed to Fit1999 Pontiac Bonneville Change Vehicle

Gates®
1999 Pontiac Bonneville - Gates OE Replacement Thermostat

Tap image and pinch to zoom.
$11.49
$34.15Save: $22.66(66%)
Manufacturer #33428S
Guaranteed to Fit1999 Pontiac Bonneville Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
1999 Pontiac Bonneville
SSEi
6 Cyl 3.8L
GAS, 180 Degree
1999 Pontiac Bonneville
SE
6 Cyl 3.8L
GAS, 180 Degree
1999 Pontiac Bonneville
SSE
6 Cyl 3.8L
GAS, 180 Degree

Highlights

Brand:
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 Essentials
Opening Temperature Rating:
180 Degrees
Recommended Use:
OE Replacement
Series:
Gates OE Replacement
Fitnotes:
GAS, 180 Degree

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1980 Chevrolet Monte Carlo
Sport
6 Cyl 3.8L
GAS, 180 Degree
1980-1981 Chevrolet Monte Carlo
Landau
6 Cyl 3.8L
GAS, 180 Degree
1981 Chevrolet Monte Carlo
Base
6 Cyl 3.8L
GAS, 180 Degree
1985 Buick Somerset Regal
Base
6 Cyl 3.0L
GAS, 180 Degree
1985 Buick Somerset Regal
Limited
6 Cyl 3.0L
GAS, 180 Degree
Page 1 of 76 | Showing 1 - 5 of 379 results

Product Information

GATES OE REPLACEMENT THERMOSTATS

Backed by a manufacturer globally recognized for their meticulously crafted critical components and service solutions, Gates' OE replacement thermostats are guaranteed to deliver a perfect fit as well as reliable, enduring performance. Established in 1911, Gates is a leading automotive aftermarket manufacturer that specializes in belt drive, timing, fuel and cooling systems.

  • Made by prestigious manufacturer of critical power transmission and related components
  • Simple to install
  • Meticulously formed for perfect fitment and functionality
  • Durably crafted for enduring performance
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

0
What comes with the part?A shopperAug 12, 2020
Best Answer:Hi, This is the Thermostat only as shown on the photo.
Aldrin P.STAFFAug 12, 2020
0
Does it have a gasket?A shopperAug 12, 2020
Best Answer:Hi, This Thermostat does not include the gasket. Thank You.
Aldrin P.STAFFAug 12, 2020
0
i don't see a 2003 monte carlo ss high sport in the fitment list ,  is this part going to fit a 2003 3.8 monte carlo ss ?Big DaddyJul 11, 2020
Best Answer:Hi, Yes it fits, here's also the list of options for your vehicle: <a href="https://www.carparts.com/search?q=Thermostat&vehicle[cylinders]=6&vehicle[liter]=3%2E8&vehicle[submodel]=SS&vehicle[model]=Monte%20Carlo&vehicle[make]=Chevrolet&vehicle[year]=2003" target="_blank">https://www.carparts.com/search?q=Thermostat&vehicle[cylinders]=6&vehicle[liter]=3%2E8&vehicle[submodel]=SS&vehicle[model]=Monte%20Carlo&vehicle[make]=Chevrolet&vehicle[year]=2003</a>
Aldrin P.STAFFJul 11, 2020

Customer Reviews

Quick delivery, perfect fit, great price.
Cara B.
VERIFIED PURCHASER
Purchased on May 26, 2022