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2021 Peterbilt 520

2021 Peterbilt 520 Thermostats

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HD Series Thermostat
Part Number: MRD4061-60
Guaranteed to Fit
$19.99
Vehicle Fitment
  • 2021 Peterbilt 520 Base 6 Cyl 11.9L Temperature 160F; For Engine Coolant System; 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 : 160 degreesSeries : HD SeriesRecommended Use : OE Replacement
HD Series Thermostat
Part Number: MRD4071-80
Guaranteed to Fit
$27.49
Vehicle Fitment
  • 2021 Peterbilt 520 Base 6 Cyl 8.9L Temperature 180F; 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 : 180 degrees FSeries : HD SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
HD Series Thermostat
Part Number: MRD4066-85
Guaranteed to Fit
$30.99
Vehicle Fitment
  • 2021 Peterbilt 520 Base 6 Cyl 10.8L Temperature 185F; 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 : 185 degrees FSeries : HD SeriesRecommended Use : OE Replacement
HD Series Thermostat
Part Number: MRD4061-80
Guaranteed to Fit
$45.49
Vehicle Fitment
  • 2021 Peterbilt 520 Base 6 Cyl 11.9L For Engine Coolant System; Oe Specified Temperature 180 Degrees
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 degrees FSeries : HD SeriesMaterial : Steel and copperRecommended Use : OE Replacement
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