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: ZZP3-15-171
Replaces: ZZM0-15-171, ZZM6-15-171, ZZP0-15-171A
Description: 2.5L. B2500. B2300. More Info
Fits:
  • Mazda:
    • B2300,
    • B2500
$14.37
$14.37
Thermostat
Part Number: N3H1-15-171
Replaces: N3H1-15-171-PT
Description: RX-8. You will be required to provide a VIN in order to complete your order. More Info
Fits:
  • Mazda:
    • RX-8
$53.53
$53.53
Thermostat
Part Number: YF09-15-171
Description: Tribute. 2.0l. More Info
Fits:
  • Mazda:
    • Tribute
$8.89
$8.89
Thermostat
Part Number: ZZL0-15-171B
Replaces: ZZL0-15-171A
Description: B4000. Navajo. 4.0L, 1998-2000. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
$29.95
$29.95
Thermostat
Part Number: 1F20-15-171
Description: 2.3L. B2300. More Info
Fits:
  • Mazda:
    • B2300
$213.95
$213.95
Thermostat
Part Number: 1F62-15-172
Replaces: 1F22-15-171
Description: 4.0L, 2001-09. B4000. More Info
Fits:
  • Mazda:
    • B4000
$25.86
$25.86
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
Backordered
Backordered
Thermostat
Part Number: PY8V-15-171
Description: Mazda6. Mexico built. More Info
Fits:
  • Mazda:
    • 6
Backordered
Backordered
Thermostat
Part Number: B3H8-15-171A
Other Names: Thermostat Set More Names
Description: GLC. B2000. More Info
Fits:
  • Mazda:
    • B2000,
    • GLC
$28.40
$28.40
Engine Coolant Thermostat
Part Number: P502-15-171
Other Names: Thermostat More Names
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-3,
    • CX-5,
    • CX-9,
    • MX-5 Miata
  • 1 more
Backordered
Backordered
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
Notes: Included with thermostat unit. More Notes
Fits:
  • Mazda:
    • 6,
    • CX-9
Backordered
Backordered
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
Description: You will be required to provide a VIN in order to complete your order. More Info
Notes: Includes Thermostat Gasket. Included with Water pump assembly. More Notes
Fits:
  • Mazda:
    • 2,
    • 626,
    • CX-5,
    • Millenia,
    • MPV,
    • MX-3,
    • MX-6,
    • Protege,
    • Protege5
  • 4 more
$30.72
$30.72
Thermostat
Part Number: 8AF1-15-171-9U
Other Names: Thermostat Set More Names
Replaces: 8AF1-15-171, 8AF1-15-171-PT
Description: Rx7. You will be required to provide a VIN in order to complete your order. More Info
Fits:
  • Mazda:
    • RX-7
$24.05
$24.05
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: Includes Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • 3,
    • 5,
    • MX-5 Miata
$81.44
$81.44
Thermostat Housing
Part Number: N3A1-15-170A
Other Names: Thermostat Cover More Names
Description: Manual trans. More Info
Fits:
  • Mazda:
    • RX-7
$152.36
$152.36
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
Notes: Includes Water Outlet, Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • 6
Backordered
Backordered
Thermostat Housing
Part Number: BPE8-15-170A
Options: Lower
Other Names: Cover Thermo More Names
Description: Miata mx5. Lower. More Info
Fits:
  • Mazda:
    • Miata
Backordered
Backordered
Thermostat Unit
Part Number: L336-15-170
Other Names: Thermostat, Water Inlet, Thermostat Housing, 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: You will be required to provide a VIN in order to complete your order. More Info
Notes: Includes Thermostat Gasket And Water Inlet. More Notes
Fits:
  • Mazda:
    • 3,
    • 5,
    • 6,
    • CX-7,
    • MX-5 Miata,
    • Tribute
  • 1 more
$52.53
$52.53
Thermostat Housing
Part Number: CA60-15-170A
Other Names: Thermostat Unit, Cover Thermo More Names
Description: CX-9. From 6/12/08. More Info
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • CX-9
$339.32
$339.32
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
Notes: Includes Thermostat And Gasket. More Notes
Fits:
  • Mazda:
    • CX-9
$596.06
$596.06
Thermostat Cover
Part Number: FP47-15-172
Other Names: Water Outlet, Cover Thermostat More Names
Description: 2.0L. 1.8L. You will be required to provide a VIN in order to complete your order. More Info
Fits:
  • Mazda:
    • Protege,
    • Protege5
Not For Sale
Not For Sale
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
$184.43
$184.43
Thermostat Housing
Part Number: ZZL0-15-172A
Other Names: Cover Thermo More Names
Replaces: ZZL0-15-172
Description: B4000. Navajo. More Info
Fits:
  • Mazda:
    • B4000,
    • Navajo
$114.45
$114.45
Thermostat Housing
Part Number: ZZM3-15-172A
Other Names: Cover Thermo More Names
Description: B2300. More Info
Fits:
  • Mazda:
    • B2300
$72.62
$72.62
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
$29.91
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
$6.15
$6.15
Thermostat Gasket
Part Number: 9XB0-68-07S
Other Names: Engine Coolant Thermostat Gasket, Gasket, Thermostat O-Ring, O Ring Thermostat More Names
Description: CX-9. O-Ring. MPV. 2000-01. Mazda6. More Info
Notes: Included with thermostat unit. More Notes
Fits:
  • Mazda:
    • 6,
    • CX-9,
    • MPV,
    • Tribute
$3.03
$3.03
Thermostat Seal
Part Number: 9XG0-03-19X0
Other Names: Ring O More Names
Description: 2.0L. More Info
Fits:
  • Mazda:
    • Tribute
$5.58
$5.58
Thermostat Housing
Part Number: G601-15-172A
Other Names: Thermostat Cover, Cover Thermo More Names
Replaces: G601-15-172
Description: B2600. 4 cylinder. More Info
Fits:
  • Mazda:
    • B2600,
    • MPV
Backordered
Backordered
Thermostat Housing
Part Number: JE96-15-172B
Options: Lower
Other Names: Thermostat Cover, Cover Thermo More Names
Description: MPV. Lower. More Info
Fits:
  • Mazda:
    • MPV
$32.50
$32.50
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
$124.93
$124.93
Thermostat Housing
Part Number: PE01-15-17Z
Other Names: Outlet Water More Names
Description: Mazda6. 2.0L, with manual trans. CX-5. More Info
Fits:
  • Mazda:
    • 6,
    • CX-5
$114.12
$114.12
Thermostat Housing
Part Number: PE02-15-17Z
Other Names: Outlet Water More Names
Description: Mazda6. 2.0L, with auto trans. CX-5. More Info
Fits:
  • Mazda:
    • 6,
    • CX-5
$97.60
$97.60
Thermostat Housing
Part Number: SH01-15-172
Other Names: Thermostat Outlet, Cover Thermo More Names
Description: CX-5. 2.2L diesel. More Info
Notes: Included with Water pump assembly. More Notes
Fits:
  • Mazda:
    • CX-5
$52.90
$52.90
Thermostat Housing
Part Number: ZJ01-15-172A
Other Names: Water Inlet, Cover Thermostat More Names
Replaces: ZJ01-15-172
Description: Auto trans. Mazda2. More Info
Fits:
  • Mazda:
    • 2
$25.47
$25.47
Thermostat Cover
Part Number: ZZC4-15-172
Other Names: Cover, Cover Thermostat More Names
Description: Thermostat cover. Tribute. 3.0L. More Info
Notes: Included with Water pump assembly. More Notes
Fits:
  • Mazda:
    • Tribute
Backordered
Backordered
Thermostat Housing
Part Number: N326-15-172B
Other Names: Cover Thermo Nla More Names
Description: Rx7. With fuel injection. Manual trans. More Info
Fits:
  • Mazda:
    • RX-7
$89.56
$89.56
Thermostat Housing
Part Number: N3A2-15-170A
Other Names: Thermostat Cover More Names
Description: Auto trans. More Info
Fits:
  • Mazda:
    • RX-7
$104.48
$104.48
Thermostat Cover
Part Number: N3H1-15-170C
Other Names: Water Outlet, Cover Thermostat More Names
Replaces: N3H1-15-170A, N3H1-15-170B
Description: RX-8. More Info
Fits:
  • Mazda:
    • RX-8
$81.03
$81.03
Thermostat Cover
Part Number: P51B-15-172A
Other Names: Cover, Cover Thermostat More Names
Description: Miata mx5. More Info
Fits:
  • Mazda:
    • MX-5 Miata
$50.07
$50.07
Thermostat Outlet
Part Number: PY8W-15-172
Other Names: Water Outlet, Engine Coolant Thermostat Housing, Thermostat Housing, Cover Thermostat More Names
Description: CX-9. Thermostat cover. 2.5L turbo. Thermostat outlt. Mazda3. Auto trans. With turbo. More Info
Fits:
  • Mazda:
    • 3,
    • 6,
    • CX-5,
    • CX-9
Backordered
Backordered
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
$107.02
$107.02
Thermostat Housing
Part Number: AJ03-15-176A
Other Names: Case Thermo More Names
Replaces: AJ03-15-176
Description: 3.0L. More Info
Fits:
  • Mazda:
    • Tribute
$73.35
$73.35
Thermostat Housing
Part Number: B6BF-15-172
Other Names: Water Outlet, Cover Thermostat More Names
Description: Protege. 1.6l. More Info
Fits:
  • Mazda:
    • Protege
$34.53
$34.53
Thermostat Housing
Part Number: F201-15-172B
Other Names: Engine Coolant Thermostat Housing, Cover Thermo More Names
Description: Without turbo. Manual trans. 626 & MX-6. More Info
Fits:
  • Mazda:
    • 626,
    • MX-6
$31.79
$31.79
Thermostatic Switch
Part Number: FD01-61-J20
Other Names: Thermostat, Thermostat Nla More Names
Description: Dealer installed. R12. RX-7. Mana. Rx7. More Info
Fits:
  • Mazda:
    • RX-7
$111.25
$111.25
Thermostat Housing
Part Number: G601-15-170
Options: Lower
Other Names: Engine Coolant Thermostat Housing, Outlet Water More Names
Description: 2.6l. More Info
Fits:
  • Mazda:
    • B2600,
    • MPV
$102.42
$102.42
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
Notes: Included with thermostat unit. More Notes
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
Backordered
Backordered
Thermostat Housing
Part Number: JE26-15-176
Options: Upper
Other Names: Case Thermo More Names
Description: 929. Dohc. Upper. More Info
Fits:
  • Mazda:
    • 929
$48.68
$48.68
Thermostat Gasket
Part Number: JE96-15-173A
Other Names: Gasket, Gasket Thermo More Names
Description: Millenia. 2.3l. MPV. More Info
Fits:
  • Mazda:
    • Millenia,
    • MPV
$7.81
$7.81
Thermostat Housing
Part Number: JF01-15-176
Options: Upper
Other Names: Case Thermo More Names
Description: 3.0l. Upper. 929. Sohc. MPV. More Info
Fits:
  • Mazda:
    • 929,
    • MPV
Backordered
Backordered
Thermostat Housing
Part Number: KJ01-15-172A
Other Names: Thermostat Cover, Cover Thermo More Names
Description: Millenia. 2.3l. More Info
Fits:
  • Mazda:
    • Millenia
$32.38
$32.38
Thermostat Housing
Part Number: KL01-15-172
Options: Front
Other Names: Thermostat Cover, Cover Thermo More Names
Description: 2.5L. 626, MX-6. Without turbo. All. 6 cyl. MX-3. 1.8l. More Info
Fits:
  • Mazda:
    • 626,
    • Millenia,
    • MX-3,
    • MX-6
$34.05
$34.05
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
$36.30
$36.30
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
Backordered
Backordered
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
Backordered
Backordered
Thermostat Gasket
Part Number: ZZM0-15-173
Other Names: Gasket Thermo Qty 1 5PCS More Names
Description: B2300. More Info
Fits:
  • Mazda:
    • B2300
$5.72
$5.72
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
$238.02
Thermostat Housing
Part Number: 1F20-15-172
Other Names: Cover Thermo More Names
Description: B2300. More Info
Fits:
  • Mazda:
    • B2300
Backordered
Backordered
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
Backordered
Backordered
Thermostat Housing
Part Number: 8872-15-170A
Other Names: Cover Thermo More Names
Description: Rx7. Without fuel injection. More Info
Fits:
  • Mazda:
    • RX-7
Backordered
Backordered
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
Notes: Included with thermostat unit. More Notes
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
$31.79
$31.79
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
Notes: Included with thermostat unit. More Notes
Fits:
  • Mazda:
    • 6,
    • MPV,
    • Tribute
$113.02
$113.02
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
$33.37
$33.37
Thermostatic Switch
Part Number: BJ6B-61-J25
Other Names: Thermostat, Amplifier Thermo More Names
Replaces: GE4T-61-J25
Description: Protege. More Info
Notes: Included with evaporator assembly. More Notes
Fits:
  • Mazda:
    • Protege,
    • Protege5
$75.49
$75.49
Thermostat Housing
Part Number: BP6D-15-170A
Options: Lower
Other Names: Cover Thermostat More Names
Description: Miata mx5. Lower. More Info
Fits:
  • Mazda:
    • Miata
$94.07
$94.07

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