{
    "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 Peterbilt 378 Change Vehicle

Motorad®
1999 Peterbilt 378 - HD Series Thermostat

Tap image and pinch to zoom.
$17.99
Manufacturer #4048-90
Guaranteed to Fit1999 Peterbilt 378 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
1999 Peterbilt 378
Base
6 Cyl 7.2L
Temperature 190F; Oe Specified Temperature

Highlights

Brand:
Quantity Sold:
Sold individually
Warranty:
12-month Motorad limited warranty
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.

Material:
Copper/Stainless Steel
Opening Temperature Rating:
190 Degrees
Recommended Use:
OE Replacement
Series:
HD Series
Fitnotes:
Temperature 190F; Oe Specified Temperature

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1980-1990 Chevrolet C70
C7D042
8 Cyl 10.4L
Temperature 190F
1980-1990 GMC C7000
C7D042
8 Cyl 10.4L
Temperature 190F
1981-1984 GMC C6000
C6D042
8 Cyl 10.4L
Temperature 190F
1981-1985 Chevrolet C60
C6D042
8 Cyl 10.4L
Temperature 190F
1981-1990 Chevrolet C70
C7D064
8 Cyl 10.4L
Temperature 190F
Page 1 of 25 | Showing 1 - 5 of 123 results

Product Information

MOTORAD HD THERMOSTAT

The Motorad thermostat is manufactured from high quality components for long-term reliability. It is designed to stand up to even the most demanding automotive cooling systems.

  • Designed to OEM specifications
  • Engineered to ensure exceptional reliability for every application
  • Utilizes the finest OEM approved materials
  • Manufactured in ISO TS16949 facilities and meets the toughest industry standards
  • Copper case and wax compound assures rapid response to temperature changes in the coolant

Since 1958, MotoRad continues to be a leading manufacturer and supplier of advanced engine and thermal management solutions for automotive OEM and Aftermarket industries.

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

Customer Reviews