Radiator & Components for 2021 Mazda 3
No.
Part # / Description / Price
Price
1
Radiator 
Mazda
Mazda Description: Mazda3. Without turbo. Japan built. Exc.Mexico Built.
MSRP $583.25
$402.36
MSRP $583.25
$402.36
2
Radiator Upper Bracket Mazda
Mazda Positions: Left
Description: Japan built without turbo.
MSRP $14.65
$11.03
MSRP $14.65
$11.03
4
Radiator Lower Mount Mazda
Mazda Positions: Right
Description: Mexico built. Japan built. 2.5L turbo. 2.5L hybrid radiator & mounting.
MSRP $1.04
$0.93
MSRP $1.04
$0.93
5
Side Seal Mazda
Mazda Positions: Right
Notes: PARTS: Part included with radiator.
Description: Japan built without turbo. Side without 2.5L turbo.
MSRP $5.72
$4.99
MSRP $5.72
$4.99
5
Side Seal Mazda
Mazda Positions: Left
Notes: PARTS: Part included with radiator.
Description: Japan built without turbo. Side without 2.5L turbo.
MSRP $5.80
$5.06
MSRP $5.80
$5.06
6
MSRP $8.27
$7.22
9
Upper Hose Mazda
Mazda Description: Mazda3. Japan built. Without turbo. Without cyl deactivation.
MSRP $109.06
$78.18
MSRP $109.06
$78.18
11
Reservoir Tank Mazda
Mazda Description: Mazda3. Mexico built. CX-30. Reservoir tank. Japan built.
MSRP $10.12
$7.62
MSRP $10.12
$7.62
12
MSRP $3.92
$3.53
13
Reservoir Tank Tube Mazda
Mazda Description: Mexico built. Without 2.5L turbo. Japan built. With 2.5L turbo, type 1.
MSRP $5.94
$5.18
MSRP $5.94
$5.18
14
Cap Mazda
Mazda Description: Mexico built. Expansion tank cap. Mazda3. Without turbo. CX-50. CX-30. 2.5L hybrid, radiator & mounting.
MSRP $12.54
$9.44
MSRP $12.54
$9.44
15
MSRP $8.47
$6.38
16
Engine Control Module (ECM) Bolt Mazda
Mazda Description: Mexico built. Japan built. 2.5L. Auto trans. 2.0L.
MSRP $1.15
$1.04
MSRP $1.15
$1.04
17
MSRP $2.20
$1.98
19
Vent Hose Clip Mazda
Mazda Notes: PARTS: Part included with vent hose.
Description: Japan built.
MSRP $1.89
$1.70
MSRP $1.89
$1.70
19
MSRP $3.45
$3.11
20
Overflow Hose Mazda
Mazda Description: Japan built without turbo. Overflow hose. Without 2.5L turbo. Connector hose.
MSRP $36.18
$26.37
MSRP $36.18
$26.37
21
Overflow Hose Clamp Mazda
Mazda Notes: PARTS: Part included with overflow hose.
Description: Japan built. 2.5L turbo, upper.
MSRP $5.12
$4.47
MSRP $5.12
$4.47
22
Filler Assembly Mazda
Mazda Description: Mexico built without turbo. 2.0L. Connector pipe. Without 2.5L turbo.
MSRP $52.31
$38.13
MSRP $52.31
$38.13
22
Engine Coolant Filler Neck Mazda
Mazda Description: Japan built. Water manifold. 2.5L turbo.
MSRP $131.32
$94.13
MSRP $131.32
$94.13
23
Engine Coolant Filler Neck Cap Mazda
Mazda Description: Mazda3. Mazda6. With turbo. CX-5. CX-30.
MSRP $34.27
$24.98
MSRP $34.27
$24.98
24
Radiator Coolant Hose Mazda
Mazda Description: Filler Neck to Thermostat Housing. Japan built. Without 2.5L turbo.
MSRP $44.54
$32.46
MSRP $44.54
$32.46
25
Radiator Hose Clamp Mazda
Mazda Positions: Lower
Description: Mexico built. With 2.5L turbo. #2.
MSRP $10.45
$7.87
MSRP $10.45
$7.87
26
MSRP $28.25
$20.93
27
Drain Plug Mazda
Mazda Notes: PARTS: Part included with water pipe.
Description: Lower rear. Without 2.5L turbo. Japan built without turbo.
MSRP $1.98
$1.79
MSRP $1.98
$1.79
No.
Part # / Description / Price
Price
2
Radiator Mount Bracket Mazda
Mazda Positions: Right
Description: Japan built without turbo. Mexico built without turbo. Without 2.5L turbo.
MSRP $20.40
$15.12
MSRP $20.40
$15.12
2
Radiator Mount Bracket Mazda
Mazda Positions: Left
Description: Mexico built without turbo. Without 2.5L turbo.
MSRP $19.14
$14.18
MSRP $19.14
$14.18
2
Radiator Mount Bracket Mazda
Mazda Positions: Right
Description: Mexico built. With 2.5L turbo.
MSRP $26.02
$19.28
MSRP $26.02
$19.28
2
Radiator Mount Bracket Mazda
Mazda Positions: Left
Description: Mexico built. With 2.5L turbo.
MSRP $17.73
$13.14
MSRP $17.73
$13.14
3
Radiator Bolt Mazda
Mazda Positions: Left
Description: Mexico built. Japan built. 2.5L turbo. 2.5L hybrid radiator & mounting.
MSRP $2.20
$1.72
MSRP $2.20
$1.72
4
Radiator Lower Mount Mazda
Mazda Positions: Left
Description: Mexico built. Japan built. 2.5L turbo. 2.5L hybrid radiator & mounting.
MSRP $1.04
$0.93
MSRP $1.04
$0.93
6
Connector Hose Clamp Mazda
Mazda Notes: PARTS: Part included with upper hose.
Description: Japan built. Mexico built. Rear. 2019-21. 2.0L. Without 2.5L turbo, 2020-22. Type 2. 2.2L diesel.
MSRP $7.83
$6.84
MSRP $7.83
$6.84
9
Reservoir Assembly Mazda
Mazda Description: Reservoir assy. Mazda3. Mexico built. Without turbo.
MSRP $70.46
$51.36
MSRP $70.46
$51.36
10
Engine Coolant Reservoir Mazda
Mazda Description: Reservoir tank. Mazda3. Japan built. With turbo.
MSRP $169.35
$117.84
MSRP $169.35
$117.84
14
Mount Bracket Mazda
Mazda Notes: PARTS: Part included with reservoir assembly.
Description: Mexico built without turbo.
MSRP $8.38
$6.30
MSRP $8.38
$6.30
17
Vent Hose Mazda
Mazda Notes: PARTS: Part included with reservoir assembly.
Description: Mexico built. Japan built without turbo. Vent hose. Without 2.5L turbo. Reservoir hose.
MSRP $44.04
$32.10
MSRP $44.04
$32.10
19
Engine Coolant Reservoir Hose Mazda
Mazda Description: Overflow hose. Japan built. With 2.5L turbo, type 3.
MSRP $7.41
$6.47
MSRP $7.41
$6.47
19
Engine Coolant Reservoir Hose Mazda
Mazda Description: Vent hose. Mexico built. Japan built. Tube. With 2.5L turbo.
MSRP $36.34
$26.49
MSRP $36.34
$26.49
20
Overflow Hose Clamp Mazda
Mazda Notes: PARTS: Part included with overflow hose.
Description: Mexico built without turbo. 2.5L turbo. 2.5L hybrid reservoir & hoses.
MSRP $1.44
$1.29
MSRP $1.44
$1.29
21
Filler Assembly Mazda
Mazda Description: Mexico built without turbo. 2.0L. Connector pipe. Without 2.5L turbo.
MSRP $52.31
$38.13
MSRP $52.31
$38.13
23
MSRP $38.99
$28.42
23
Radiator Coolant Hose Mazda
Mazda Positions: Left
Description: Radiator To Pipe. Japan built.
MSRP $38.16
$27.81
MSRP $38.16
$27.81
25
Engine Coolant Pipe Mazda
Mazda Description: Mexico built without turbo. Without 2.5L turbo. Drain pipe.
MSRP $32.62
$24.17
MSRP $32.62
$24.17
26
Engine Coolant Pipe Drain Plug Mazda
Mazda Description: Mexico built. Japan built. 2.5L turbo.
MSRP $4.18
$3.77
MSRP $4.18
$3.77
27
Drain Pipe Gasket Mazda
Mazda Notes: PARTS: Part included with water pipe.
Description: Japan built. Lower rear. Without 2.5L turbo.
MSRP $1.00
$0.90
MSRP $1.00
$0.90
28
MSRP $14.99
$11.28
No.
Part # / Description / Price
Price
N/A
MSRP $1,035.74
$702.09
N/A
Radiator Assembly Drain Plug Mazda
Mazda Description: Mexico built. 2.5L turbo. Mazda3. With turbo. 2.5L hybrid radiator & mounting.
MSRP $6.43
$5.62
MSRP $6.43
$5.62
N/A
Engine Coolant Filler Neck Cap Mazda
Mazda Description: Mazda3. Mazda6. With turbo. CX-5. CX-30.
MSRP $34.27
$24.98
MSRP $34.27
$24.98
1
MSRP $503.43
$347.30
1
Radiator Assembly Mazda
Mazda Description: Mazda3. CX-30. Without 2.5L turbo. Mexico Built Vehicle.
MSRP $339.20
$236.04
MSRP $339.20
$236.04
2
Upper Hose Mazda
Mazda Description: Mazda3. Japan built. Without turbo. With cyl deactivation.
MSRP $50.64
$36.91
MSRP $50.64
$36.91
2
MSRP $30.07
$22.28
3
Lower Hose Mazda
Mazda Description: Adapter to Pipe. Mazda3. Without turbo. CX-30. Japan built. Mexico built.
MSRP $60.29
$43.95
MSRP $60.29
$43.95
4
Reservoir Tank Mazda
Mazda Description: Mazda3. Mexico built. CX-30. Reservoir tank. Japan built.
MSRP $10.12
$7.62
MSRP $10.12
$7.62
5
Cap Mazda
Mazda Description: Mexico built. Expansion tank cap. Mazda3. Without turbo. CX-50. CX-30. 2.5L hybrid, radiator & mounting.
MSRP $12.54
$9.44
MSRP $12.54
$9.44
6
Thermostat Housing Mazda
Mazda Description: Mazda3. Mexico built. CX-30. CX-50. Japan built. Manual trans. 2.5L.
MSRP $114.67
$82.20
MSRP $114.67
$82.20
6
Thermostat Housing Mazda
Mazda Description: Mexico built. Mazda3. Japan built. 2.5L non turbo 2018-25 without i-stop. Water inlet pipe. Without 2.5L turbo, 2020-22. CX-30. Auto trans. 2019-21.
MSRP $117.87
$84.50
MSRP $117.87
$84.50
6
Thermostat Housing Mazda
Mazda Description: Mazda3. Japan built. 2.5L non turbo, manual trans.
MSRP $92.29
$66.16
MSRP $92.29
$66.16
7
Water Valve Gasket Mazda
Mazda Description: Mexico built. 2.5L non turbo. 2019-21. Without 2.5L turbo, 2020-22. Mazda3.
MSRP $8.67
$6.53
MSRP $8.67
$6.53
8
Engine Coolant Control Valve Mazda
Mazda Description: Mazda3. 2.5L non turbo, manual trans. Japan built without turbo. manual trans.
MSRP $521.09
$359.48
MSRP $521.09
$359.48
8
Engine Coolant Control Valve Mazda
Mazda Description: Mazda3. CX-30. Mazda6. 2019-21. Auto trans. CX-3. Without 2.5L turbo 2020-22. Incl.Gasket,Housing and Thermostat.
MSRP $495.25
$344.62
MSRP $495.25
$344.62
9
Water Pump Mazda
Mazda Notes: Includes: Gasket.
Description: Mazda3. Without turbo. CX-30. CX-50. 2.5L. Mexico Built Vehicle. Incl.Gasket.
MSRP $101.08
$72.46
MSRP $101.08
$72.46
9
Water Pump Mazda
Mazda Notes: Includes: Gasket.
Description: Mazda3. CX-5. Mazda6. Japan built. 2019-21. 2.5L non turbo, without i-stop, 2018-25. CX-3.
MSRP $241.12
$167.78
MSRP $241.12
$167.78
11
MSRP $72.30
$52.69
12
MSRP $62.72
$45.72
13
MSRP $134.51
$96.42
14
Fan Motor Mazda
Mazda Description: Mazda3. Without turbo. Japan built. Exc.Mexico Built.
MSRP $325.78
$226.70
MSRP $325.78
$226.70
15
Fan & Motor Mazda
Mazda Notes: Includes: Fan Blade, Motor & Shroud.
Description: Mazda3. Without turbo. Without cyl deactivation. Japan built. Exc.Mexico Built. Incl.Fan Blade & Motor.
MSRP $841.12
$570.16
MSRP $841.12
$570.16
15
Fan & Motor Mazda
Mazda Notes: Includes: Fan Blade, Motor & Shroud.
Description: Mazda3. Mexico built. With cyl deactivation. Without 2.5L turbo. CX-30.
MSRP $865.03
$586.38
MSRP $865.03
$586.38
No.
Part # / Description / Price
Price
N/A
MSRP $1,035.74
$702.09
N/A
Engine Coolant Filler Neck Cap Mazda
Mazda Description: Mazda3. Mazda6. With turbo. CX-5. CX-30.
MSRP $34.27
$24.98
MSRP $34.27
$24.98
1
Radiator Assembly Mazda
Mazda Description: Mazda3. CX-30. Without 2.5L turbo. Mexico Built Vehicle.
MSRP $339.20
$236.04
MSRP $339.20
$236.04
8
Engine Coolant Control Valve Mazda
Mazda Description: Mazda3. CX-30. Mazda6. 2019-21. Auto trans. CX-3. Without 2.5L turbo 2020-22. Incl.Gasket,Housing and Thermostat.
MSRP $495.25
$344.62
MSRP $495.25
$344.62
9
Water Pump Mazda
Mazda Notes: Includes: Gasket.
Description: Mazda3. Without turbo. CX-30. CX-50. 2.5L. Mexico Built Vehicle. Incl.Gasket.
MSRP $101.08
$72.46
MSRP $101.08
$72.46
No.
Part # / Description / Price
Price
2
MSRP $15.84
$11.92
4
Water Pump Mount Bolt Mazda
Mazda Description: Mexico built. Water pump,mount bolt. Without 2.5L turbo 2020-22.
MSRP $0.78
$0.71
MSRP $0.78
$0.71
7
MSRP $127.76
$91.58
7
Engine Coolant Pipe Mazda
Mazda Description: Japan built. Water pipe. With 2.5L turbo.
MSRP $137.59
$98.62
MSRP $137.59
$98.62
7
Engine Coolant Pipe Mazda
Mazda Description: Mexico built. With 2.5L turbo. Water pipe.
MSRP $73.26
$53.40
MSRP $73.26
$53.40
7
Engine Coolant Pipe Mazda
Mazda Description: Water pipe. Mexico built. Without 2.5L turbo, 2023-25. 2.5L non turbo, with i-stop, 2024-25.
MSRP $229.70
$159.84
MSRP $229.70
$159.84
9
Water Pipe O-Ring Mazda
Mazda Notes: PARTS: Part included with water pipe.
Description: Mexico built, to thermostat hsng. 2.5L non turbo, without i-stop, 2018-25, # 2. Pipe to Lower Outlet Flange. To connector pipe.
MSRP $4.29
$3.86
MSRP $4.29
$3.86
10
Water Pipe Bolt Mazda
Mazda Description: Mexico built. 2.5L non turbo 2018-25 without i-stop. Japan built. 2.5L, engine compartment. 2.0L, engine compartment. 2.5L non turbo, 2017. Engine compartment, without cyl deactivation, # 1. Without 2.5L turbo 2020-22 without cyl deactivation. # 1.
MSRP $2.29
$2.06
MSRP $2.29
$2.06
16
Engine Coolant Outlet O-Ring Mazda
Mazda Notes: PARTS: Part included with water outlet.
Description: Japan built. 2.5L non turbo. 2019-21. Without 2.5L turbo, 2020-22. Lower Outlet to Upper Outlet.
MSRP $6.04
$5.27
MSRP $6.04
$5.27
18
Engine Coolant Control Valve Mazda
Mazda Description: Mazda3. CX-30. Mazda6. 2019-21. Auto trans. CX-3. Without 2.5L turbo 2020-22. Incl.Gasket,Housing and Thermostat.
MSRP $495.25
$344.62
MSRP $495.25
$344.62
19
Water Valve Gasket Mazda
Mazda Notes: PARTS: Part included with water valve.
Description: Mexico built. 2.5L non turbo. 2019-21. Without 2.5L turbo, 2020-22. Mazda3.
MSRP $8.67
$6.53
MSRP $8.67
$6.53
No.
Part # / Description / Price
Price
N/A
MSRP $1,035.74
$702.09
No.
Part # / Description / Price
Price
4
Engine Coolant Filler Neck Cap Mazda
Mazda Description: Mazda3. Mazda6. With turbo. CX-5. CX-30.
MSRP $34.27
$24.98
MSRP $34.27
$24.98
No.
Part # / Description / Price
Price
4
Engine Coolant Filler Neck Cap Mazda
Mazda Description: Mazda3. Mazda6. With turbo. CX-5. CX-30.
MSRP $34.27
$24.98
MSRP $34.27
$24.98
10
Engine Coolant Control Valve Mazda
Mazda Description: Mazda3. CX-30. Mazda6. 2019-21. Auto trans. CX-3. Without 2.5L turbo 2020-22. Incl.Gasket,Housing and Thermostat.
MSRP $495.25
$344.62
MSRP $495.25
$344.62
No.
Part # / Description / Price
Price
8
Filler Assembly Mazda
Mazda Description: Mexico built without turbo. 2.0L. Connector pipe. Without 2.5L turbo.
MSRP $52.31
$38.13
MSRP $52.31
$38.13
Related Parts
Part # / Description / Price
Price
Engine Coolant Temperature Sensor O-Ring Mazda
Mazda Description: Location-Water Pump. Location-Engine Block. Drive motor & components.
MSRP $2.27
$2.04
MSRP $2.27
$2.04
MSRP $10.18
$7.66
Radiator Air Seal Mazda
Mazda Description: Lower seal. Mexico built. Lower with 2.5L turbo.
MSRP $47.15
$34.37
MSRP $47.15
$34.37
MSRP $10.18
$7.66
Radiator Air Seal Mazda
Mazda Positions: Right
Description: Japan built, to 02/06/2023. Japan built, fm 02/06/2023.
MSRP $5.74
$5.01
MSRP $5.74
$5.01
MSRP $5.92
$5.17
MSRP $5.11
$4.45