Thermostats

Thermostat

If the temperature in your engine is too high due to a failing thermostat, then replace it with an OEM Mazda thermostat.

  • OEM Mazda thermostats are manufactured to meet your engine’s need based on factory specifications for performance.
  • OEM thermostats are made to be exact fit parts that never need to be modified.
  • OEM thermostats are designed to last as long as the original part.

When it comes time to buy your OEM Mazda parts, we offer a large selection of parts at wholesale prices. We also have a no hassle return policy, so shop with confidence and order today.

Refine Results
Thermostat
Part Number: 8AF1-15-171-9U
Other Names: Thermostat Set More Names
Replaces: 8AF1-15-171, 8AF1-15-171-PT
Description: Rx7. More Info
Fits:
  • Mazda:
    • RX-7
$21.82
$16.10
$21.82
$16.10
Thermostat
Part Number: B3H8-15-171A
Other Names: Thermostat Set More Names
Description: B2000. GLC. More Info
Fits:
  • Mazda:
    • B2000,
    • GLC
$22.48
$16.58
$22.48
$16.58
Thermostat
Part Number: N053-61-J22A
Other Names: Sensor Valve More Names
Description: 2001-05. More Info
Notes: Included With Evaporator Assembly. More Notes
Fits:
  • Mazda:
    • Miata
$166.17
$118.62
$166.17
$118.62
Thermostat
Part Number: ZZL0-15-171B
Replaces: ZZL0-15-171A
Description: 4.0L, 1998-2000. Navajo. B4000. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
$31.52
$23.26
$31.52
$23.26
Thermostat
Part Number: ZZP3-15-171
Replaces: ZZM0-15-171, ZZM6-15-171, ZZP0-15-171, ZZP0-15-171A
Description: B2500. B2300. 2.5L. More Info
Fits:
  • Mazda:
    • B2300,
    • B2500
$14.37
$10.78
$14.37
$10.78
Thermostat
Part Number: ZZS1-15-171
Replaces: ZZM4-15-171, ZZP1-15-171
Description: B3000. 3.0L. More Info
Fits:
  • Mazda:
    • B3000
$12.40
$9.30
$12.40
$9.30
Thermostat
Part Number: 1F20-15-171
Description: B2300. 2.3L. More Info
Fits:
  • Mazda:
    • B2300
$208.74
$149.01
$208.74
$149.01
Thermostat
Part Number: 1F62-15-172
Replaces: 1F22-15-171
Description: 4.0L, 2001-09. B4000. More Info
Fits:
  • Mazda:
    • B4000
$26.28
$19.38
$26.28
$19.38
Thermostat
Part Number: 8BU1-15-171
Other Names: Thermostat Set More Names
Description: B2600. More Info
Fits:
  • Mazda:
    • B2600
$20.88
$15.40
$20.88
$15.40
Thermostat
Part Number: P502-15-171
Description: 2.5L turbo. Miata mx5. 2016-18. Mazda6. CX-9. CX-5. CX-3. Usa built. More Info
Fits:
  • Mazda:
    • 6,
    • CX-3,
    • CX-5,
    • CX-9,
    • MX-5 Miata
$23.70
$17.49
$23.70
$17.49
Thermostat
Part Number: ZZJ1-15-171A
Replaces: CA19-15-171, CA60-15-171, ZZJ1-15-171
Description: Mazda6. CX-9. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Mazda:
    • 6,
    • CX-9
$20.22
$14.92
$20.22
$14.92
Thermostat
Part Number: 8AH1-15-171B-9U
Other Names: Thermostat Set More Names
Replaces: 8AH1-15-171, 8AH1-15-171A, 8AH1-15-171B, 8AL1-15-171
Description: 3.0l. 929. MPV. More Info
Fits:
  • Mazda:
    • 929,
    • MPV
$29.93
$22.08
$29.93
$22.08
Thermostat
Part Number: GY01-15-171
Other Names: Thermostat No Gasket More Names
Replaces: AJ03-15-17X, AJ51-15-17X
Description: Tribute. 2002-06. 2000-01. 3.0L. MPV. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
$22.25
$16.42
$22.25
$16.42
Engine Coolant Thermostat
Part Number: 8AB8-15-171-9U
Other Names: Thermostat More Names
Replaces: 8AB8-15-171, BP05-15-171
Description: From 02/01/1991. Miata mx5. Protege. MX-3. 1.6l. Incl.Gasket. More Info
Fits:
  • Mazda:
    • Miata,
    • MX-3,
    • Protege
$27.94
$20.61
$27.94
$20.61
Engine Coolant Thermostat
Part Number: KL01-15-171A-9U
Other Names: Thermostat, Thermostat ( W Gasket ) More Names
Replaces: 8AGX-15-171, 8AK2-15-171, FS05-15-171, KL01-15-171, KL01-15-171A
Description: 6 cylinder. 1.8l, 2.0l. 626, MX-6. Millenia. Protege. Mazda2. 2.5L. 2.3L. MX-3. MPV. 4 cylinder. Auto trans. Incl.Gasket. More Info
Fits:
  • Mazda:
    • 2,
    • 626,
    • CX-5,
    • Millenia,
    • MPV,
    • MX-3,
    • MX-6,
    • Protege,
    • Protege5
  • 4 more
$25.09
$18.51
$25.09
$18.51
Engine Coolant Thermostat
Part Number: 8ABB-15-171-9U
Other Names: Thermostat, Thermostat Set More Names
Replaces: 8ABB-15-171
Description: 626 & MX-6. B2200. B2000. Gas. More Info
Fits:
  • Mazda:
    • 626,
    • B2000,
    • B2200,
    • MX-6
$21.93
$16.17
$21.93
$16.17
Thermostat
Part Number: PY8V-15-171
Description: Mazda6. Mexico built. More Info
Fits:
  • Mazda:
    • 6
$24.42
$18.02
$24.42
$18.02
Thermostat
Part Number: YF09-15-171
Description: Tribute. 2.0L. More Info
Fits:
  • Mazda:
    • Tribute
$11.06
$8.30
$11.06
$8.30
Thermostat
Part Number: N3H1-15-171
Replaces: N3H1-15-171-PT
Description: RX-8. More Info
Fits:
  • Mazda:
    • RX-8
$43.80
$32.32
$43.80
$32.32
Thermostat Unit
Part Number: L336-15-170
Other Names: Thermostat, Thermostat Housing, Water Inlet, Cover, Thermostat Cover More Names
Replaces: L327-15-170, L327-15-170A, L327-15-171, L328-15-170A, L328-15-170B, LFE2-15-170, ZZCA-15-172, ZZCA-15-172A
Description: From 3/8/06 to 9/1/06. 2.5L, 2009-2010. 2.5L, 2011-13. Tribute hev. Mazdaspeed3. Miata mx5. Mazda6. Mazda5. Mazda3. 2.3L. CX-7. With... More Info
Notes: Includes Thermostat Gasket And Water Inlet. More Notes
Fits:
  • Mazda:
    • 3,
    • 5,
    • 6,
    • CX-7,
    • MX-5 Miata,
    • Tribute
  • 1 more
$43.28
$31.93
$43.28
$31.93
Thermostat Housing
Part Number: CA60-15-170A
Other Names: Thermostat Unit, Cover Thermo More Names
Replaces: CA20-15-170, CA20-15-170A, CA68-15-170
Description: From 6/12/08. CX-9. More Info
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • CX-9
$289.72
$206.82
$289.72
$206.82
Thermostat Unit
Part Number: CY01-15-170A
Other Names: Thermostat Housing, Cover Thermostat More Names
Replaces: CY01-15-170, ZZJ1-15-17X, ZZJ1-15-17XA
Description: To 6/12/08. CX-9. More Info
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • CX-9
$596.06
$411.19
$596.06
$411.19
Thermostat Housing
Part Number: LF70-15-170
Other Names: Thermostat Unit, Cover W Thermostat More Names
Replaces: LF50-15-170, LF50-15-170A, LF50-15-170B, LF50-15-170C, LF50-15-171, LF53-15-170, LF53-15-170A, LF53-15-170B, LFE5-15-170
Description: 2.0L without skyactiv. From 9/1/06. Miata mx5. To 3/8/06. Mazda3. Mazda5. Without mazdaspeed. Without skyactiv-g engine. More Info
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • 3,
    • 5,
    • MX-5 Miata
$65.68
$47.67
$65.68
$47.67
Thermostat Housing
Part Number: N3A1-15-170A
Other Names: Thermostat Cover More Names
Description: Manual trans. More Info
Fits:
  • Mazda:
    • RX-7
$114.04
$81.41
$114.04
$81.41
Engine Coolant Thermostat Housing
Part Number: PEDD-15-17Z
Positions: Lower
Other Names: Thermostat Housing, Water Outlet, Outlet Water More Names
Replaces: P501-15-17ZA
Description: 2.0L, manual trans. 2.5L, manual trans. From 02/01/2014. Mazda3. More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-5
$80.63
$58.53
$80.63
$58.53
Thermostat Unit
Part Number: ZZJ1-15-172
Other Names: Thermostat Housing, Cover Thermo More Names
Replaces: CA01-15-170A, CA69-15-170
Description: 3.7L, 2009-2010. 3.7L, 2011-13. Mazda6. More Info
Notes: Includes Water Outlet, Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • 6
$285.18
$203.57
$285.18
$203.57
Thermostat Housing
Part Number: 0290-15-172B
Other Names: Cover Thermo More Names
Description: B2000, B2200. California. More Info
Fits:
  • Mazda:
    • B2000,
    • B2200
$29.91
$22.07
$29.91
$22.07
Thermostat Gasket
Part Number: 9XB0-68-07S
Other Names: Engine Coolant Thermostat Gasket, Gasket, Thermostat O-Ring, O-Ring Thermostat More Names
Description: 2000-01. Mazda6. CX-9. 3.0l. MPV. O-Ring. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Mazda:
    • 6,
    • CX-9,
    • MPV,
    • Tribute
$6.85
$5.14
$6.85
$5.14
Thermostat Seal
Part Number: 9XG0-03-19X0
Other Names: Ring O More Names
Description: 2.0L. More Info
Fits:
  • Mazda:
    • Tribute
$8.88
$6.66
$8.88
$6.66
Thermostat Housing
Part Number: AJ51-15-176B
Other Names: Case Thermo More Names
Replaces: AJ51-15-176, AJ51-15-176A
Description: 2002-06. Tribute. Mazda6. 3.0l. MPV. Case. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
$87.35
$63.40
$87.35
$63.40
Thermostat Housing
Part Number: AM01-15-172
Other Names: Cover Thermo More Names
Description: B2600. More Info
Fits:
  • Mazda:
    • B2600
$19.09
$14.31
$19.09
$14.31
Thermostat Housing
Part Number: BPE8-15-170A
Positions: Lower
Other Names: Cover Thermo More Names
Description: Miata mx5. Lower. More Info
Fits:
  • Mazda:
    • Miata
$76.24
$55.33
$76.24
$55.33
Thermostat Housing
Part Number: F201-15-172B
Other Names: Engine Coolant Thermostat Housing, Cover Thermo More Names
Description: 626, MX-6. Manual trans. Without turbo. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6
$25.96
$19.15
$25.96
$19.15
Thermostat Housing
Part Number: FS05-15-176A
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Case, Case Thermo More Names
Replaces: FS05-15-176
Description: 1.8l, 2.0l. Protege. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6,
    • Protege,
    • Protege5
$59.65
$43.29
$59.65
$43.29
Thermostat Housing
Part Number: KJ01-15-170
Other Names: Case Thermostat More Names
Description: 2.3L. More Info
Fits:
  • Mazda:
    • Millenia
$140.97
$100.63
$140.97
$100.63
Thermostat Housing
Part Number: KLG4-15-170A
Other Names: Cover Thermo More Names
Replaces: KLG4-15-170
Description: 2.5L. More Info
Fits:
  • Mazda:
    • 626
$101.37
$72.36
$101.37
$72.36
Thermostat Housing
Part Number: N3H1-15-1H0D
Other Names: Case Thermostat More Names
Replaces: N3H1-15-1H0C
Description: From 12/1/04. RX-8. More Info
Fits:
  • Mazda:
    • RX-8
$147.68
$105.42
$147.68
$105.42
Thermostat Housing
Part Number: YF09-15-176B
Other Names: Case Thermostat More Names
Replaces: YF09-15-176, YF09-15-176A
Description: Tribute. 2.0L. More Info
Fits:
  • Mazda:
    • Tribute
$29.92
$22.08
$29.92
$22.08
Thermostat Housing
Part Number: ZZM3-15-172A
Other Names: Cover Thermo More Names
Replaces: ZZM3-15-172
Description: B2300. More Info
Fits:
  • Mazda:
    • B2300
$72.62
$52.71
$72.62
$52.71
Thermostat Housing
Part Number: ZZM2-15-172
Other Names: Engine Coolant Thermostat Housing, Cover Thermostat More Names
Description: 4.0L, 1998-2000. B4000. More Info
Fits:
  • Mazda:
    • B4000
$238.02
$169.91
$238.02
$169.91
Thermostat Housing
Part Number: ZZP3-15-172D
Other Names: Cover Thermo More Names
Replaces: ZZP3-15-172C
Description: B2500. 3.0L. 2.5L. More Info
Fits:
  • Mazda:
    • B2500,
    • B3000
$95.84
$69.56
$95.84
$69.56
Thermostat Housing
Part Number: N350-15-172
Other Names: Cover Thermo More Names
Description: Rx7. Auto trans. Manual trans. With fuel injection. More Info
Fits:
  • Mazda:
    • RX-7
$92.24
$66.95
$92.24
$66.95
Thermostat Housing
Part Number: N3A2-15-170A
Other Names: Thermostat Cover More Names
Replaces: N3A2-15-170
Description: Auto trans. More Info
Fits:
  • Mazda:
    • RX-7
$99.50
$72.22
$99.50
$72.22
Thermostat Housing
Part Number: P502-15-17ZA
Positions: Lower
Other Names: Water Outlet, Engine Coolant Thermostat Housing, Outlet Water More Names
Replaces: PEAR-15-17Z
Description: 2.0L, auto trans. 2.5L, auto trans. From 02/01/2014. 2016-18. Mazda3. CX-5. CX-3. Without turbo. More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-3,
    • CX-5
$80.63
$58.53
$80.63
$58.53
Thermostat Cover
Part Number: P51B-15-172A
Other Names: Cover, Cover Thermostat More Names
Description: Miata mx5. More Info
Fits:
  • Mazda:
    • MX-5 Miata
$39.63
$29.24
$39.63
$29.24
Thermostat Housing
Part Number: PE01-15-17Z
Other Names: Outlet Water More Names
Description: 2.0L, with manual trans. Mazda6. CX-5. More Info
Fits:
  • Mazda:
    • 6,
    • CX-5
$90.98
$66.04
$90.98
$66.04
Thermostat Outlet
Part Number: PY8W-15-172
Positions: Upper
Other Names: Water Outlet, Engine Coolant Thermostat Housing, Cover Thermostat More Names
Description: 2.5L turbo. Mazda6. More Info
Fits:
  • Mazda:
    • 6,
    • CX-5,
    • CX-9
$27.91
$20.59
$27.91
$20.59
Thermostat Housing
Part Number: ZZL0-15-172A
Other Names: Cover Thermo More Names
Replaces: ZZL0-15-172
Description: Navajo. B4000. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
$114.45
$81.69
$114.45
$81.69
Thermostat Housing
Part Number: 1F20-15-172
Other Names: Cover Thermo More Names
Description: B2300. More Info
Fits:
  • Mazda:
    • B2300
$83.53
$60.63
$83.53
$60.63
Thermostat Gasket
Part Number: 1F22-15-173
Other Names: Gasket Flat O-Ring More Names
Description: 4.0L, 2001-09. More Info
Fits:
  • Mazda:
    • B4000
$6.88
$5.16
$6.88
$5.16

No results found for "thermostats". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!