Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.

2003 - 2010 Mazda B2300 Engine Coolant Thermostat (Calorstat) NEW

$ 56 .26
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

Integral Thermostat (Gasket Included) Opening Temp: 90 C / 194 F From 08/04/2003 With OE No. 1F7015171

Brand: Calorstat
Condition: New
Wrenchy the Robot
Not sure? Ask WrenchyYour Parts Assistant.

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info


Attribute Value
By Pass Valve Diameter 23.0
Bypass Flange Diameter 0.9
California Proposition 65 Image Calorstat Prop 65 Warning.jpg
California Proposition 65 Required Y
Engine Coolant Thermostat Quantity 1
Height Between Flanges 1.53
Height, By Pass Side 39.0
Includes Jiggle Pin Check Valve Yes
Jiggle Pin Weep Hole Yes
Seal Material Rubber
Seal Quantity 1
Seal Type Gasket
Start To Open Temperature 194.0

Vehicle Fitment Guide

This part fits the following vehicles:

Mazda 1 model (tapclick to expand)(tapclick to hide)
B2300 2003-2010 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Standard Cab Pickup 2003 - 2009 L4 2.3L RWD Automatic & Manual
SE Extended Cab Pickup 2003 - 2004 L4 2.3L RWD Automatic & Manual
SX Extended Cab Pickup 2010 L4 2.3L RWD Automatic & Manual
SX Standard Cab Pickup 2010 L4 2.3L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Interchange Parts

Brand Part Number
Gates 34043
Gates TH45190G1
Hella 8MT 354 777-231
MAHLE TI 200 90
Mazda 1F70-15-171B
Mazda 1F7015171
Mazda 1F7015171A
Mazda 1F7015171B
Mazda L336-15-170
Mazda L33615170
Mazda L356-15-170A
Mazda L356-15-170C
Mazda L35615170A
Mazda L35615170C
Mazda L357-15-170A
Mazda L357-15-170B
Mazda L35715170A
Mazda L35715170B
Mazda LFE2-15-170
Mazda LFE215170
Mazda ZZC1-15-172
Mazda ZZC115172
Mazda ZZC115172A
Motorad 512-195
Stant 48689
Volvo 31251246

Fits Years: 2003 2004 2005 2006 2007 2008 2009 2010

Fits Models: B2300

Expert Guides

Engine Coolant Thermostat Guide for the 2004-2010 Mazda B2300

Is your truck's temperature gauge acting strange or is the heater not working? Your thermostat might be the problem.

Read Full Guide →

Related Trouble Codes (OBD-II)

3 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%
Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

×

Search by Vehicle

1
2
3
Added to cart · Part