FAST DELIVERY
100% ORIGINAL AND QUALITY
EASY RETURN
- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your cooling system operating the way it was designed with the Motorad 281-170 engine coolant thermostat. Built by an OE supplier to OEM specifications, this thermostat features a copper case and wax compound that responds quickly and precisely to changing coolant temperatures, helping maintain stable engine operating conditions. The offset design and integrated air relief valve support proper installation and system bleeding, while OEM-style seals are included where applicable to help promote a secure fit. Every unit is tested and calibrated before shipping, giving installers confidence in consistent performance. Fitting a wide range of Toyota, Dodge, Eagle, Mitsubishi, Chevrolet, Pontiac, Ford, and Lexus applications from 1988-2019, the 281-170 is a practical replacement choice for shops and DIYers looking to restore reliable thermostat function without guesswork.
Features
- Copper case and wax compound deliver rapid, accurate response to coolant temperature changes
- Offset design and air relief valve help ensure proper installation and system bleeding
- OEM-style seals included where applicable for a dependable, leak-resistant fit
- Manufactured to OEM specifications and processes by an OE supplier for consistent quality
- 100% tested and calibrated before shipping for reliable out-of-box performance
Application Summary
1988 Toyota Camry 2.5L 2508CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS1989-1991 Toyota Camry 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
1990-1991 Lexus ES250 2.5L 2508CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1990-1992 Toyota Celica 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
1990-1997 Lexus LS400 4.0L 3969CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
1991-1995 Toyota MR2 2.2L 2164CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1992 Dodge Colt 1.5L 1468CC 90CID L4 SOHC 12 Valve Naturally Aspirated GAS
1992-1993 Lexus ES300 3.0L 2959CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1992-1993 Toyota Camry 3.0L 2959CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1992-1997 Lexus SC400 4.0L 3969CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
1993 Mitsubishi Galant 2.0L 1997CC 122CID L4 SOHC 16 Valve Naturally Aspirated GAS
1993 Toyota Celica 2.2L 2164CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1993-1994 Mitsubishi Expo LRV 2.4L 2351CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1993-1995 Mitsubishi Expo 2.4L 2351CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1993-1996 Eagle Summit 2.4L 2351CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1994 Mitsubishi Mighty Max 2.4L 2351CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS
1994-1996, 1999-2001 Toyota Camry 2.2L 2164CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1994-1998 Mitsubishi Galant 2.4L 2351CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1994-2003 Lexus ES300 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1995, 1998 Toyota T100 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1995-1998 Eagle Talon 2.0L 1996CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
1995-1999 Mitsubishi Eclipse 2.0L 1996CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
1995-2004 Toyota Avalon 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1995-2004 Toyota Tacoma 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1996-1997 Toyota T100 2.7L 2694CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1996-1999 Ford Taurus 3.0L 2986CC 182CID V6 OHV 12 Valve Naturally Aspirated GAS
1996-2002 Toyota 4Runner 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1997-1998, 2002-2005 Toyota Camry 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1998-2002 Chevrolet Prizm 1.8L 1794CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1998-2003 Toyota Sienna 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1998-2004, 2006-2008 Toyota Corolla 1.8L 1794CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1999-2003 Lexus RX300 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
1999-2003 Toyota Solara 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2000-2004 Toyota Tundra 3.4L 3378CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2000-2005 Toyota Celica 1.8L 1794CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2000-2005 Toyota MR2 Spyder 1.8L 1794CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2001-2003 Toyota Highlander 3.0L 2995CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2001-2003 Toyota RAV4 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
2001-2005, 2007 Toyota Highlander 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2002-2007, 2009 Toyota Camry 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2003-2004, 2006-2008 Toyota Matrix 1.8L 1794CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2003-2008 Pontiac Vibe 1.8L 1794CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2004 Mitsubishi Lancer 2.0L 2000CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2004 Mitsubishi Outlander 2.4L 2351CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2004 Toyota Highlander 3.3L 3300CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2004 Toyota Solara 3.3L 3300CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2004, 2008-2009 Mitsubishi Galant 3.8L 3828CC 230CID V6 SOHC 24 Valve Naturally Aspirated GAS
2004-2006 Lexus ES330 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated GAS
2004-2006 Lexus RX330 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated GAS
2004-2006 Toyota Sienna 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated GAS
2004-2008 Toyota RAV4 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2004-2008 Toyota Solara 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005 Mitsubishi Lancer 2.0L 1997CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2005 Toyota Corolla 1.8L 1795CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005 Toyota Matrix 1.8L 1795CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005, 2007 Toyota Highlander 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated GAS
2005-2006 Mitsubishi Outlander 2.4L 2378CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2005-2007, 2010-2011 Mitsubishi Galant 2.4L 2378CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2005-2008 Toyota Solara 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated GAS
2005-2010 Scion tC 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005-2016 Toyota Avalon 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2006 Toyota Highlander 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2006, 2008 Mitsubishi Eclipse 3.8L 3828CC 230CID V6 SOHC 24 Valve Naturally Aspirated GAS
2006-2008 Lexus RX400h 3.3L 3300CC 202CID V6 DOHC 24 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2006-2012 Toyota RAV4 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2007, 2009-2011 Mitsubishi Eclipse 2.4L 2378CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2007-2015 Lexus RX350 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2007-2016, 2020 Toyota Sienna 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2007-2018 Lexus ES350 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2008, 2011 Toyota Camry 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2008-2013 Scion xD 1.8L 1798CC 110CID L4 DOHC 16 Valve Naturally Aspirated GAS
2008-2015 Scion xB 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2008-2015 Toyota Highlander 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009 Pontiac Vibe 1.8L 1798CC 110CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2010 Pontiac Vibe 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2011, 2014 Toyota Matrix 1.8L 1798CC 110CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2012, 2014-2016 Toyota RAV4 2.5L 2494CC 152CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2014 Toyota Venza 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009-2014, 2017-2019 Toyota Highlander 2.7L 2672CC 163CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2016 Toyota Venza 2.7L 2672CC 163CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2019 Toyota Corolla 1.8L 1798CC 110CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010 Toyota Camry 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2010, 2012-2013, 2016-2017 Toyota Camry 2.5L 2494CC 152CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010-2012 Lexus HS250h 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2010-2015 Lexus RX450h 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2011-2013 Dodge H100 Van 2.5L 2476CC 151CID L4 SOHC 12 Valve Turbocharged DIESEL
2011-2016 Scion tC 2.5L 2494CC 152CID L4 DOHC 16 Valve Naturally Aspirated GAS
2012 Toyota Sienna 2.7L 2672CC 163CID L4 DOHC 16 Valve Naturally Aspirated GAS
2012-2013 Toyota Matrix 2.4L 2362CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2013 Toyota RAV4 -L -CC -CID -- N/R N/R Valve - BATTERY EV (EV/BEV)
2014-2015 Toyota Camry 2.5L 2494CC 152CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2015 Toyota Hiace 3.0L -CC -CID L4 U/K U/K Valve Turbocharged DIESEL
2016 Toyota Highlander 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2017-2018 Toyota Avalon 2.5L 2494CC 152CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2017-2018 Toyota RAV4 2.5L 2494CC 152CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
Specifications
- Brand: Motorad
- Part Number: 281-170
- Part Type: Engine Coolant Thermostat
- UPC: 055644281704
- GTIN: 00055644281704
- Item Dimensions: 2.2500 x 2.2500 x 2.2500 IN
- Package Dimensions: 2.2500 x 2.2500 x 2.2500 IN
- Package Weight: 0.1600 PG
- Package Quantity: 1 EA
- Material: Stainless Steel
- Material: Copper
- Gasket or Seal Pre-Installed: No
- Sealing Flange Outside Diameter: 2.20
- Sealing Flange Outside Diameter: 55.88
- Height Between Flanges: 1.73
- Height Between Flanges: 44.00
- MAP Controlled: No
- Grade Type: OEM
Interchange
- General Motors: 94856782
- CST: 4077
- Parts Master: 28170
- Motorad: 281-170
- FVP Caps & Thermostats: 281-170
- Toyota: 9091603107
- Murray Temperature Control: 4077
- Duralast: 4077BP
- Pronto: 281-170
- Federated: 281-170
- Mighty Distributing System: 4077
- Parts Plus: P4077
- Canadian Tire: 281-170
- ACDelco: 12T35C
- Renault: 281-170
- Worldparts: 9281170
- Autopart International: 1601-290214
- Gates: 33867
- Stant: 14077
- Stant: 48327
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.









