Heating and Cooling› Thermostats, Housings and Fillers

Stant

Superstat 180°F Thermostat

$16.09

SKU: 45358

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Stant 45358 is a Superstat premium engine coolant thermostat. It features a high venturi design for maximum cooling capacity during high temperature, high load operations. This thermostat has a 25% larger piston diameter, delivering 1.5 times the power of standard thermostats. The stainless steel flange is burnished for stress relief and corrosion resistance.
Show original supplier description
The Stant 45358 Superstat Premium Thermostat is designed to provide optimal engine cooling under demanding conditions. Its premium construction utilizes a high venturi design to ensure maximum cooling capacity during high temperature and high load operations. The thermostat features a piston that is 25% larger in diameter than standard thermostats, delivering 1.5 times the power for more effective temperature regulation. Constructed with a stainless steel flange that is burnished to a bright finish, this thermostat offers enhanced stress relief and added corrosion resistance. The flange is also thicker for improved durability. With a precise 180-degree Fahrenheit operating temperature, it is engineered to maintain engine efficiency. Specific fitment details are available in the buyer's guide. Notably, it fits select 1993-2004 Jeep Grand Cherokee models and 1994-2003 Dodge Ram 1500 models.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandStant
Part Number45358
CategoryHeating and Cooling
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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