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SKU: 328-170
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- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your cooling system operating at the right temperature with the Motorad 328-170 Engine Coolant Thermostat. Built by an OE supplier to OEM specifications and quality standards, this thermostat features a copper case and wax compound design engineered to respond quickly to changing coolant temperatures, helping your engine reach and maintain proper operating temperature. The offset design and integrated air relief valve support consistent flow, while OEM-style seals are included where applicable to help promote a reliable, leak-resistant install. Every unit is 100% tested and calibrated before it leaves the factory, giving you confidence in fit and function. Rated to open at 170 degrees, this thermostat is designed for a wide range of Honda and Acura applications spanning multiple model years. Whether you're replacing a worn original or restoring proper thermostat operation after a cooling system repair, the 328-170 is built to meet or exceed OEM standards.
Features
- Copper case and wax compound deliver rapid, accurate response to coolant temperature changes.
- Offset design with integrated air relief valve supports consistent coolant flow.
- OEM-style seals included where applicable for a dependable, leak-resistant installation.
- 100% tested and calibrated before shipping for confidence in performance.
- Manufactured to OEM specifications by an OE supplier for reliable fitment.
Application Summary
1992 Honda Civic 1.5L 1493CC -CID L4 SOHC 8 Valve Naturally Aspirated GAS1992, 1995-1996 Honda Prelude 2.2L 2156CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1993-1995 Honda Civic 1.5L 1493CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1993-1995 Honda Civic del Sol 1.5L 1493CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1994-1995 Honda Accord 2.2L 2156CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1995-1997 Honda Odyssey 2.2L 2156CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1996-1997 Honda Civic del Sol 1.6L 1588CC 98CID L4 SOHC 16 Valve Naturally Aspirated GAS
1996-2000 Honda Civic 1.6L 1588CC 98CID L4 SOHC 16 Valve Naturally Aspirated GAS
1997 Honda Prelude 2.2L 2156CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1997-1999 Honda CR-V 2.0L 1972CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1997-2000 Acura EL 1.6L 1590CC 97CID L4 U/K U/K Valve Naturally Aspirated GAS
1998 Honda Odyssey 2.3L 2234CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
1998-2001 Honda Accord 2.3L 2254CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2001 Honda Civic 1.7L 1668CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2001-2005 Acura EL 1.7L 1668CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2002-2004 Honda Civic 1.7L 1700CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2005 Honda Civic 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
2006-2012 Honda Fit 1.5L 1497CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2006-2015 Honda Civic 1.8L 1799CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2010-2014 Honda Insight 1.3L 1339CC -CID L4 SOHC 8 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2010-2017 Honda City 1.5L 1497CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
2011-2013, 2015-2016 Honda CR-Z 1.5L 1497CC -CID L4 SOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2013-2014 Acura ILX 2.4L 2354CC 144CID L4 DOHC 16 Valve Naturally Aspirated GAS
2013-2014 Honda Fit -L -CC -CID -- N/R N/R Valve - BATTERY EV (EV/BEV)
2013-2015 Acura ILX 2.0L 1997CC 122CID L4 SOHC 16 Valve Naturally Aspirated GAS
2015 Honda Fit 1.5L 1497CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2017-2022 Honda HR-V 1.8L 1799CC -CID L4 SOHC 16 Valve Naturally Aspirated GAS
Part Numbers: 328-170
Specifications
- Brand: Motorad
- Part Number: 328-170
- Part Type: Engine Coolant Thermostat
- UPC: 055644328706
- GTIN: 00055644328706
- 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: 2.05
- Sealing Flange Outside Diameter: 52.07
- Height Between Flanges: 1.35
- Height Between Flanges: 34.25
- MAP Controlled: No
- Grade Type: OEM
Interchange
- CST: 3187
- Omnicraft: QRT18
- Parts Master: 32870
- Motorad: 328-170
- FVP Caps & Thermostats: 328-170
- Murray Temperature Control: 3187
- Duralast: 15187BP
- Pronto: 328-170
- Acura: 19301PAA305
- Acura: 19300PH7014
- Acura: 19300PR3004
- Acura: 19301P08000
- Acura: 19301P08305
- Federated: 328-170
- Mighty Distributing System: 3187-TS
- Parts Plus: P3187
- Canadian Tire: 328-170
- ACDelco: 12T75C
- Renault: 328-170
- Worldparts: 9328170
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.