MotoRad® - High-Flow Series™ Engine Coolant Thermostat

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Replaces Original (OE) Part #:19114387
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Product Details

High-Flow Series™ Engine Coolant Thermostat by MotoRad®. Temperature: 180 Degrees. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their vehicle. MotoRad offers the only true good, better, best in the industry with standard flow, High Flow / Performance, and the patented Failsafe thermostats.


  • Made of stainless steel
  • Provide increased flow
  • Triple-bridge design

MotoRad High Flow thermostats are made of stainless steel and have enlarged openings to provide increased flow. MotoRad is the only thermostat manufacturer that produces true "High Flow" thermostats for today's higher performance engines. These parts also feature a triple-bridge design that increases strength, stability and reliability. High-flow thermostats also have a bypass valve that allows a small amount of coolant to circulate before fully opening.

A standard thermostat flows about 37 gallons of coolant per minute. With MotoRad’s High-Flow thermostat, that number jumps to 56 gallons per minute. That’s almost a 50 percent increase in coolant flow. This additional flow of coolant is important for today’s high powered engines, high performance vehicles, towing, extreme heat and cold temperatures, extreme terrains and stop-and-go traffic. And what does increase coolant flow mean for your engine? The increased coolant flow will reduce the delay in engine warm-up times, allows trapped air in the cooling system to escape and stabilizes the pressure of the cooling system overall. Only MotoRad offers a true high-flow thermostat with improved performance for the toughest driving conditions.

MotoRad®, established in 1958, is the leader in manufacturing top of the line thermostats, radiator caps and fuel caps offered to the North American automotive aftermarket. The company is also a trusted OE supplier and is a privately-owned subsidiary of Fishman Thermo Technologies. MotoRad proudly makes its sophisticated and advanced line of thermostats which is one of the finest in the automotive industry. MotoRad offers the most comprehensive coverage of thermostats for almost any vehicle and engine on the market. MotoRad is known by millions of customers worldwide as the company that offers everything for your thermostat and closure cap needs.

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MotoRad of America warrants that all of its thermostats and caps are manufactured to be free from defects in material and workmanship. If any products sold by MotoRad of America are proven to be defective when sold, then MotoRad of America will replace such products or credit the distributor for the purchase price. Replacement/credit privileges apply only to products proven to be defective within the warranty period. The duration of the warranty period for MotoRad of America’s thermostats and caps is one year from the date of purchase.

The replacement/credit privileges does not apply to (i) accidents, alterations, negligence, misuse, wrong application or incorrect application which results in or contributes to product failure (ii) products installed on racing, off-road, marine or industrial motor vehicles. Except as specifically set forth above, no other warranty, express or implied, is applicable to the products. If warranty is requested, it must be requested within 30 days after the discovery of the damage and MotoRad of America’s Warranty Claim Form must accompany the request. The MotoRad of America produced part, with the original invoice from the retailer or installer from whom the product was purchased, must also accompany the Warranty Claim Form. MotoRad of America’s technical services department reserves the right to examine the engine or equipment to determine the amount of damage and/or weather the damage was the result of a defective MotoRad of America product.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Chevy Tracker
2002 Chevy Tracker
  • 1.6L
2001 Chevy Tracker
  • 1.6L
2000 Chevy Tracker
  • 1.6L
1999 Chevy Tracker
  • 1.6L
1998 Chevy Tracker
1989 Chevy Tracker
  • With Alternate Thermostat Temperature
Ford Aerostar
1997 Ford Aerostar
  • 4.0L
1996 Ford Aerostar
  • 4.0L
1995 Ford Aerostar
  • 4.0L
1994 Ford Aerostar
  • 4.0L
1993 Ford Aerostar
  • 4.0L
1992 Ford Aerostar
  • 4.0L
1991 Ford Aerostar
  • 4.0L
1990 Ford Aerostar
  • 4.0L
Ford Bronco
1990 Ford Bronco II
Ford Courier
1982 Ford Courier
  • 2.0L
1981 Ford Courier
  • 2.0L
1980 Ford Courier
  • 1 Engine VIN Character
1979 Ford Courier
  • 1.8L / 2.0L
Ford Ranger
2000 Ford Ranger
  • 4.0L Gas
1999 Ford Ranger
  • 4.0L Gas
1998 Ford Ranger
  • 4.0L Gas
1992 Ford Ranger
  • 2.9L
1991 Ford Ranger
  • 2.9L
1990 Ford Ranger
  • 2.9L
GEO Tracker
1997 GEO Tracker
1996 GEO Tracker
1995 GEO Tracker
1994 GEO Tracker
1993 GEO Tracker
1992 GEO Tracker
1991 GEO Tracker
1990 GEO Tracker
1989 GEO Tracker
International M Series Van
1964 International M Series Van
  • 3.6L
1963 International M Series Van
  • 3.6L
International M1100
1968 International M1100
  • 3.6L
International M1200
1968 International M1200
  • 3.6L
International M800
1968 International M800
  • 3.6L
International MA1200
1968 International MA1200
  • 3.6L
International Scout
1970 International Scout
  • 4.3L / 5.0L
Renault Alliance
1987 Renault Alliance
  • 2.0L
Suzuki Samurai
1995 Suzuki Samurai
1993 Suzuki Samurai
1992 Suzuki Samurai
1991 Suzuki Samurai
1990 Suzuki Samurai
Suzuki Sidekick
1998 Suzuki Sidekick
  • 1.6L
1997 Suzuki Sidekick
  • 1.6L
1996 Suzuki Sidekick
  • 1.6L
1995 Suzuki Sidekick
1994 Suzuki Sidekick
1993 Suzuki Sidekick
1992 Suzuki Sidekick
1991 Suzuki Sidekick
1990 Suzuki Sidekick
Suzuki X-90
1998 Suzuki X-90
1997 Suzuki X-90
1996 Suzuki X-90
Toyota Celica
1971 Toyota Celica
Toyota Crown
1971 Toyota Crown
  • 2.3L With Alternate Thermostat Temperature
Toyota Mark II
1972 Toyota Mark II
  • 2.3L
Low Prices Price match guarantee
Guaranteed Fitment Always the correct part
In-House Experts We know our products
Easy Returns Quick & Hassle Free

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