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- Description
- Fitment
- Warranty and Refund
- Reviews
The Motorad 420-180 Engine Coolant Thermostat is built by an OE supplier to OEM specifications, giving you a reliable replacement for your vehicle's cooling system. Its copper case and wax compound formulation are designed to respond quickly to changing coolant temperatures, helping your engine maintain proper operating range. The offset design and included air relief valve support smooth installation, while OEM-style seals are included where applicable to help promote a secure fit. Constructed with steel and copper components, this thermostat is intended to hold up to demanding cooling system conditions. Covering 123 verified applications across Dodge, Jeep, Chrysler, Ram, and Mitsubishi vehicles from 1999 to 2013, including popular models like the Dakota, Durango, Ram 1500/2500, and Grand Cherokee, the 420-180 is a straightforward, OE-style solution for replacing a worn or failing thermostat.
Features
- Copper case and wax compound help deliver rapid, accurate response to coolant temperature changes
- Offset design with included air relief valve supports smoother, more complete installation
- OEM-style seals included where applicable help promote a proper, leak-resistant seal
- Steel and copper construction is built to handle demanding cooling system conditions
- Manufactured by an OE supplier to OEM specifications for a familiar, direct-style fit
Application Summary
1999-2006 Jeep Grand Cherokee 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS2000-2001, 2004-2005, 2007-2008 Dodge Durango 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS
2000-2003, 2005-2007 Dodge Dakota 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS
2001-2002 Dodge Ram 2500 5.9L -CC 360CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2003 Dodge Durango 5.9L -CC 360CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2004, 2006 Dodge Ram 1500 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS
2002-2005 Dodge Ram 1500 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2002-2013 Jeep Liberty 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2003-2005, 2007 Dodge Ram 2500 5.9L -CC 359CID L6 OHV 24 Valve Turbocharged DIESEL
2004-2006 Dodge Durango 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2004-2010, 2012 Dodge Dakota 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2005-2007 Dodge Ram 1500 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2005-2007, 2010 Jeep Grand Cherokee 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2006 Mitsubishi Raider 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS
2006, 2009 Dodge Ram 2500 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS
2006, 2009 Jeep Commander 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS
2006-2007 Jeep Commander 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2006-2009 Dodge Durango 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2006-2009 Mitsubishi Raider 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2007 Jeep Grand Cherokee 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2007, 2009 Chrysler Aspen 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2007, 2009 Jeep Commander 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2007, 2010 Dodge Nitro 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2008 Chrysler Aspen 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated GAS
2008, 2010 Jeep Commander 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS
2008-2009 Jeep Grand Cherokee 6.1L 6059CC 370CID V8 OHV 16 Valve Naturally Aspirated GAS
2008-2009, 2011 Dodge Nitro 4.0L 3952CC 241CID V6 SOHC 24 Valve Naturally Aspirated GAS
2008-2010 Dodge Ram 1500 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS
2009 Dodge Durango 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS
2009-2010 Dodge Dakota 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2010 Dodge Ram 2500 6.7L -CC 408CID L6 OHV 24 Valve Turbocharged DIESEL
2011 Ram Dakota 3.7L -CC 226CID V6 SOHC 12 Valve Naturally Aspirated GAS
2011 Ram Dakota 4.7L -CC 287CID V8 SOHC 16 Valve Naturally Aspirated FLEX
2011-2013 Ram 1500 5.7L -CC 345CID V8 OHV 16 Valve Naturally Aspirated GAS
Specifications
- Brand: Motorad
- Part Number: 420-180
- Part Type: Engine Coolant Thermostat
- UPC: 055644420806
- GTIN: 00055644420806
- Item Dimensions: 2.2500 x 2.2500 x 2.2500 IN
- Package Dimensions: 2.2500 x 2.2500 x 2.2500 IN
- Package Weight: 0.1500 PG
- Package Quantity: 1 EA
- Material: Steel
- Material: Copper
- Gasket or Seal Pre-Installed: Yes
- Sealing Flange Outside Diameter: 2.13
- Sealing Flange Outside Diameter: 54.10
- Height Between Flanges: 0.98
- Height Between Flanges: 24.89
- MAP Controlled: No
- Grade Type: OEM
Interchange
- CST: 42080
- Parts Master: 52080
- Motorad: 420-180
- FVP Caps & Thermostats: 420-180
- Murray Temperature Control: 42080
- Duralast: 42080BP
- Pronto: 420-180
- Federated: 420-180
- Mighty Distributing System: 42080
- Parts Plus: P42080
- Canadian Tire: 420-180
- Worldparts: 9420180
- Pep Boys: 420-180
- Stant: NI
- Balkamp: 180-024
- Carquest Premium Caps and Stats: 420-180
Warranty
- Warranty Duration: 12 Months
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









