OEM Mazda Thermostats

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Thermostat

If the temperature in your engine is too high due to a failing thermostat (like we talk in this blog post about the RX-8), 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.

Thermostat
Part Number: ZZS1-15-171
Replaces: ZZM4-15-171, ZZP1-15-171
Description: B3000. 3.0L. More Info
Fits:
  • Mazda:
    • B3000
MSRP $12.70
$9.14
MSRP $12.70
$9.14
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
MSRP $22.91
$16.49
MSRP $22.91
$16.49
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: 929. 3.0l. MPV. More Info
Fits:
  • Mazda:
    • 929,
    • MPV
MSRP $31.42
$22.62
MSRP $31.42
$22.62
Thermostat
Part Number: GY01-15-171
Other Names: Thermostat No Gasket More Names
Replaces: AJ03-15-17X, AJ51-15-17X
Description: MPV. Tribute. 3.0l. 2002-06. 2000-01. More Info
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
MSRP $22.25
$5.02
MSRP $22.25
$5.02
Thermostat
Part Number: KL01-15-171A-9U
Other Names: Thermostat ( W Gasket ) More Names
Replaces: 8AGX-15-171, 8AK2-15-171, FS05-15-171, KL01-15-171, KL01-15-171A
Fits:
  • Mazda:
    • 2,
    • 626,
    • CX-5,
    • Millenia,
    • MPV,
    • MX-3,
    • MX-6,
    • Protege,
    • Protege5
  • 4 more
MSRP $26.34
$18.96
MSRP $26.34
$18.96
Thermostat
Part Number: ZZL0-15-171B
Replaces: ZZL0-15-171A
Description: B4000. Navajo. 4.0L, 1998-2000. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
MSRP $31.52
$21.55
MSRP $31.52
$21.55
Thermostat
Part Number: 1F20-15-171
Description: 2.3L. B2300. More Info
Fits:
  • Mazda:
    • B2300
MSRP $213.95
$147.60
MSRP $213.95
$147.60
Thermostat
Part Number: 1F62-15-172
Replaces: 1F22-15-171
Description: 4.0L, 2001-09. B4000. More Info
Fits:
  • Mazda:
    • B4000
MSRP $27.58
$19.86
MSRP $27.58
$19.86
Thermostat
Part Number: N053-61-J22A
Other Names: Sensor Valve More Names
Description: 2001-05. More Info
Fits:
  • Mazda:
    • Miata
MSRP $178.13
$122.89
MSRP $178.13
$122.89
Thermostat
Part Number: PY8V-15-171
Description: Mazda6. Mexico built. More Info
Fits:
  • Mazda:
    • 6
MSRP $26.31
$18.94
MSRP $26.31
$18.94
Thermostat
Part Number: YF09-15-171
Description: Tribute. 2.0l. More Info
Fits:
  • Mazda:
    • Tribute
MSRP $11.06
$7.97
MSRP $11.06
$7.97
Thermostat
Part Number: N3H1-15-171
Replaces: N3H1-15-171-PT
Description: RX-8. More Info
Fits:
  • Mazda:
    • RX-8
MSRP $46.58
$33.53
MSRP $46.58
$33.53
Thermostat
Part Number: B3H8-15-171A
Other Names: Thermostat Set More Names
Description: GLC. B2000. More Info
Fits:
  • Mazda:
    • B2000,
    • GLC
MSRP $24.17
$17.40
MSRP $24.17
$17.40
Thermostat
Part Number: P502-15-171
Description: Miata mx5. CX-9. CX-5. Mazda6. Usa built. 2.5L turbo. 2016-18. CX-3. 2.5L, 2017. More Info
Fits:
  • Mazda:
    • 6,
    • CX-3,
    • CX-5,
    • CX-9,
    • MX-5 Miata
MSRP $25.26
$18.18
MSRP $25.26
$18.18
Thermostat
Part Number: ZZJ1-15-171B
Replaces: CA19-15-171, CA60-15-171, ZZJ1-15-171, ZZJ1-15-171A
Description: CX-9. Mazda6. More Info
MSRP $20.31
$14.62
MSRP $20.31
$14.62
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
Notes: 21. More Notes
Fits:
  • Mazda:
    • 3,
    • 5,
    • 6,
    • CX-7,
    • MX-5 Miata,
    • Tribute
  • 1 more
MSRP $46.65
$33.58
MSRP $46.65
$33.58
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: CX-9. From 6/12/08. More Info
Notes: 18. More Notes
Fits:
  • Mazda:
    • CX-9
MSRP $336.22
$225.89
MSRP $336.22
$225.89
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: CX-9. To 6/12/08. More Info
Fits:
  • Mazda:
    • CX-9
MSRP $596.06
$400.47
MSRP $596.06
$400.47
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: Miata mx5. From 9/1/06. Mazda5. Without mazdaspeed. To 3/8/06. 2.0L without skyactiv. Mazda3. 2.0l. Without skyactiv-g engine. More Info
Notes: 14. More Notes
Fits:
  • Mazda:
    • 3,
    • 5,
    • MX-5 Miata
MSRP $70.17
$50.51
MSRP $70.17
$50.51
Thermostat Housing
Part Number: N3A1-15-170A
Other Names: Thermostat Cover More Names
Description: Manual trans. More Info
Fits:
  • Mazda:
    • RX-7
MSRP $131.10
$90.45
MSRP $131.10
$90.45
Thermostat Housing
Part Number: ZZJ1-15-172
Other Names: Thermostat Unit, Cover Thermo More Names
Replaces: CA01-15-170A, CA69-15-170
Description: Mazda6. 3.7L, 2011-13. 3.7L, 2009-2010. More Info
Fits:
  • Mazda:
    • 6
MSRP $328.00
$220.37
MSRP $328.00
$220.37
Thermostat Housing
Part Number: BPE8-15-170A
Positions: Lower
Other Names: Cover Thermo More Names
Description: Miata mx5. Lower. More Info
Fits:
  • Mazda:
    • Miata
MSRP $81.32
$56.10
MSRP $81.32
$56.10
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
MSRP $238.02
$164.20
MSRP $238.02
$164.20
Thermostat Housing
Part Number: 1F20-15-172
Other Names: Cover Thermo More Names
Description: B2300. More Info
Fits:
  • Mazda:
    • B2300
MSRP $119.36
$82.34
MSRP $119.36
$82.34
Thermostat Housing
Part Number: 1F82-15-172
Other Names: Thermostat Cover, Cover Thermostat More Names
Replaces: 1F25-15-172, 1F72-15-172
Description: 4.0L, 2001-09. B4000. More Info
Fits:
  • Mazda:
    • B4000
MSRP $21.34
$15.36
MSRP $21.34
$15.36
Thermostat Housing
Part Number: 8872-15-170A
Other Names: Cover Thermo More Names
Description: Rx7. Without fuel injection. More Info
Fits:
  • Mazda:
    • RX-7
MSRP $33.87
$24.38
MSRP $33.87
$24.38
Thermostat Cover
Part Number: AJ03-15-172C
Other Names: Thermostat Housing, Water Outlet, Cover, Cover Thermostat More Names
Replaces: AJ03-15-172, AJ03-15-172A, AJ03-15-172B
Description: Mazda6. 3.0l. 2002-06. MPV. Thermostat cover. Tribute. More Info
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
MSRP $31.79
$22.88
MSRP $31.79
$22.88
Thermostat Housing
Part Number: AJ51-15-176B
Other Names: Case Thermo More Names
Replaces: AJ51-15-176, AJ51-15-176A
Description: Case. MPV. 2002-06. 3.0L. Tribute. More Info
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
MSRP $123.36
$85.10
MSRP $123.36
$85.10
Thermostat Housing
Part Number: B366-15-172
Other Names: Cover Thermo More Names
Description: 323 & Protege. MX-3. 1.6l. More Info
Fits:
  • Mazda:
    • 323,
    • MX-3,
    • Protege
MSRP $28.67
$20.64
MSRP $28.67
$20.64
Thermostatic Switch
Part Number: BJ6B-61-J25
Other Names: Thermostat, Amplifier Thermo More Names
Replaces: GE4T-61-J25
Description: Protege. More Info
Fits:
  • Mazda:
    • Protege,
    • Protege5
MSRP $64.59
$46.50
MSRP $64.59
$46.50
Thermostat Housing
Part Number: BP6D-15-170A
Positions: Lower
Other Names: Cover Thermostat More Names
Description: Miata mx5. Lower. More Info
Fits:
  • Mazda:
    • Miata
MSRP $81.32
$56.10
MSRP $81.32
$56.10
Thermostat Housing
Part Number: F202-15-172B
Other Names: Engine Coolant Thermostat Housing, Cover Thermo More Names
Description: Auto trans. 626 & MX-6. With turbo. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6
MSRP $27.25
$19.62
MSRP $27.25
$19.62
Thermostatic Switch
Part Number: FE03-61-J22
Other Names: Sensor, Sensor Valve More Names
Description: RX-8. More Info
Fits:
  • Mazda:
    • RX-8
MSRP $53.21
$38.30
MSRP $53.21
$38.30
Thermostat Housing
Part Number: FE1H-15-172A
Other Names: Cover Thermo More Names
Replaces: FE1H-15-172
Description: B2000, B2200. All. More Info
Fits:
  • Mazda:
    • B2000,
    • B2200
MSRP $29.23
$21.05
MSRP $29.23
$21.05
Thermostat Cover
Part Number: GY01-15-172
Other Names: Water Outlet, Cover Thermo More Names
Description: 2000-01. MPV. More Info
Fits:
  • Mazda:
    • MPV
MSRP $108.99
$75.19
MSRP $108.99
$75.19
Thermostat Housing
Part Number: N350-15-172
Other Names: Cover Thermo More Names
Description: Rx7. With fuel injection. Manual trans. More Info
Fits:
  • Mazda:
    • RX-7
MSRP $98.56
$68.00
MSRP $98.56
$68.00
Thermostat Housing
Part Number: N3H1-15-1H0D
Other Names: Case Thermostat More Names
Replaces: N3H1-15-1H0C
Description: RX-8. From 12/1/04. More Info
Fits:
  • Mazda:
    • RX-8
MSRP $157.97
$108.97
MSRP $157.97
$108.97
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
MSRP $53.65
$38.62
MSRP $53.65
$38.62
Thermostat Cover
Part Number: ZZC0-15-172
Other Names: Water Outlet, Cover Thermo More Names
Replaces: YF09-15-172, YF09-15-172A
Description: Tribute. 2.0l. More Info
Fits:
  • Mazda:
    • Tribute
MSRP $24.13
$17.36
MSRP $24.13
$17.36
Thermostat Housing
Part Number: ZZP3-15-172D
Other Names: Cover Thermo More Names
Replaces: ZZP3-15-172C
Description: 3.0L. 2.5L. B2500. More Info
Fits:
  • Mazda:
    • B2500,
    • B3000
MSRP $107.02
$73.83
MSRP $107.02
$73.83
Thermostat Housing
Part Number: AJ03-15-176A
Other Names: Case Thermo More Names
Replaces: AJ03-15-176
Description: Tribute. 3.0l. More Info
Fits:
  • Mazda:
    • Tribute
MSRP $118.08
$33.53
MSRP $118.08
$33.53

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