HomeBelts and Cooling > Thermostat and HousingMotorad 322-180 Engine Coolant Thermostat
Part #: 322-180

Motorad 322-180 Engine Coolant Thermostat

Standard
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$16.02Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Standard
🚗Fitment: Mazda, RX-7
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Coolant Thermostat for Mazda RX-7

The Motorad Standard 322-180 engine coolant thermostat is designed to maintain optimal engine temperature for your Mazda RX-7. Crafted with durable materials and precise specifications, this thermostat ensures efficient coolant flow and temperature regulation.

  • Compatible with Mazda RX-7 models
  • OEM design for direct replacement
  • Constructed with copper and steel for durability
  • Includes gasket and O-ring seal for secure installation
  • Thermostat opens at 180°F (82.22°C) for accurate temperature control
  • Features jiggle pin weep hole to prevent air lock

Product Features and Specifications

This Motorad Standard thermostat (part number 322-180) features a copper and steel construction that balances corrosion resistance and strength. The sealing flange outside diameter measures 2.04 inches (51.82 mm), with a flange thickness of 0.05 inches (1.27 mm), ensuring a precise fit within the cooling system. The height between flanges is 1.23 inches (31.24 mm), and the overall depth is 1.30 inches (33.02 mm). The thermostat is designed with an OEM-grade standard design and includes a gasket and O-ring seal made from durable caucho material to prevent leaks. The jiggle pin weep hole allows trapped air to escape, improving coolant circulation and engine performance.

About the Motorad Standard Product Line

The Motorad Standard line offers OEM-quality replacement parts designed to meet factory specifications. This product line focuses on delivering reliable performance and fitment for a wide range of vehicles, including the Mazda RX-7. The Standard line ensures that each component, such as this engine coolant thermostat, maintains the integrity of the original equipment without unnecessary modifications.

Common Applications and Problem Solving

  • Regulates engine temperature to prevent overheating
  • Prevents coolant leaks with included gasket and O-ring seal
  • Eliminates air pockets in the cooling system via jiggle pin weep hole
  • Ensures proper coolant flow for engine efficiency
  • Replaces faulty or worn thermostats in Mazda RX-7 cooling systems

Installation Notes and Tips

When installing the Motorad Standard 322-180 thermostat, ensure the gasket and O-ring seal are properly seated to avoid leaks. The thermostat should be installed in the correct orientation to allow the jiggle pin weep hole to function effectively. No special installation tools are included, so use appropriate hand tools and follow vehicle-specific service manual instructions for best results.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet OEM standards, ensuring reliable performance and durability. This part is designed to provide consistent operation within the specified temperature range of 180°F (82.22°C). While specific warranty details are not provided, Motorad products typically adhere to industry quality controls to support long-term use in Mazda RX-7 vehicles.

BrandMotorad
Part Number322-180
PositionStandard
MaterialCopper
MaterialSteel
10522No
Sealing Flange Outside Diameter2.04
Sealing Flange Outside Diameter51.82
Height Between Flanges1.23
Height Between Flanges31.24
MAP ControlledNo
DesignOem
ColorBrass
ColorSilver
Gasket Or Seal RequiredYes
Bolt Hole Quantity0
TypeEstándar
TypeStandard
Height2.04
Height51.82
Grade TypeOem
Gasket Or Seal IncludedYes
Gasket Quantity0
Jiggle Pin Weep HoleYes
Seal TypeO-ring
Start to Open Temperature180.0
Start to Open Temperature82.22
Installation Tool IncludedNo
Flange Thickness0.05
Flange Thickness1.27
Depth1.30
Depth33.02
Seal MaterialCaucho

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995MazdaRX-71.3LR2N/AStandard
1994MazdaRX-71.3LR2N/AStandard
1993MazdaRX-71.3LR2N/AStandard
1991MazdaRX-71.3LR2N/AStandard
1990MazdaRX-71.3LR2N/AStandard
1989MazdaRX-71.3LR2N/AStandard

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

12T112D180-223322-1808AF6151719U

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.