How to remove and install a radiator hose on Mazda 929?

The procedure to remove and install hoses will require that you first remove the radiator cap and empty the radiator of its coolant either by opening the petcock or removing the lower radiator hose. Draining ethylene glycol antifreeze into a container with a cap is essential in order to avoid the risk of injuring pets since the compound is toxic. When changing bottom hose, empty all the coolant; when changing top hose, empty just enough to reduce the amount of fluid. Slide and loosen hose clamps towards the middle of the hose then disconnect, in case needed, in a twisting motion. The clamps should be placed approximately 2 inches on both ends and tight when installing a new hose so that it does not crush the metal on the radiator connections. Once the petcock is closed, add coolant, and briefly run the engine to verify the presence of leaks. In the RX-7 models, the coolant flows just like in normal engines and the upper hose must be partially drained whereas the lower hose must be fully drained. Never drain the engine when it is hot, and never upset the radiator cap. When removable the tower hose is undergoing removal, the splash panel should be removed first. Install the RX-7 the same way, but make sure the clamps are not tightened too tightly so as to break. Following any refitting of the panels, start the engine and make sure that there is no leakage and fill up the radiator accordingly. In a car, old hoses can be kept in a plastic bag to be accessed in time of need.

How to replace a radiator hose in a cooling system on Mazda B2000?

To remove the hose, initially empty the current antifreeze and the engine coolant by opening the radiator and the radiator drain petcock or disconnect the bottom radiator hose at the radiator drain so that pets cannot drink the coolant of the fresh toxic ethylene glycol. Penetrating lubricant should be applied to the radiator petcock then opened. The second step is to loosen the clamps on both ends of the hose to be removed and pull away the hose off the connections. Clamp the ends of the new hose and insert the hose on the connections and screw the clamps, and make sure that they are pushed over any beads on the connections. Lastly, replenish the cooling system coolant, start the engine and inspect the hose fittings of any leakages.

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435 Radiator Hoses found

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Mazda Upper Hose Part Number: LFG1-15-18XC
$107.45 MSRP: $143.29
You Save: $35.84 (26%)
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Product Specifications
- Other Name: Hose, Water
- Position: Upper
- Replaces: LFG1-15-18XA
Fits the following Mazda Models:
- MX-5 Miata | 2006-2015 | 25th Anniversary Edition, Base, Club, Club Spec, Grand Touring, SV, Special Edition, Sport, Touring | 4 Cyl 2.0 L GAS
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Mazda Lower Hose Part Number: PE08-15-18XA
$48.10 MSRP: $64.14
You Save: $16.04 (26%)
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Product Specifications
- Other Name: Hose, Water; Upper Hose
- Position: Lower
Fits the following Mazda Models:
- 3 | 2012-2013 | Mazdaspeed, S, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda Lower Hose Part Number: LFG2-15-18Y
$97.90 MSRP: $130.57
You Save: $32.67 (26%)
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Product Specifications
- Other Name: Hose, Water
- Position: Lower
Fits the following Mazda Models:
- MX-5 Miata | 2006 | Base, Club Spec, Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
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Mazda By-Pass Hose Part Number: BP6D-15-261
$24.43 MSRP: $32.57
You Save: $8.14 (25%)
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Product Specifications
- Other Name: Hose, Bypass
Fits the following Mazda Models:
- Miata | 2001-2005 | Base, LS, Mazdaspeed, SE, Shinsen | 4 Cyl 1.8 L GAS
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Mazda Water Hose Part Number: CY01-15-537B
$26.08 MSRP: $34.78
You Save: $8.70 (26%)
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Product Specifications
- Other Name: Hose, Water
- Replaces: CY01-15-537A
Fits the following Mazda Models:
- CX-9 | 2007-2015 | Grand Touring, Sport, Touring | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
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Mazda By-Pass Hose Part Number: B61P-15-261A
$11.53 MSRP: $15.37
You Save: $3.84 (25%)
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Product Specifications
- Other Name: Hose, Water
Fits the following Mazda Models:
- Miata | 1999-2000 | 10th Anniversary, Base, LS, SE | 4 Cyl 1.8 L GAS
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Mazda Water Valve Part Number: PYFA-15-16ZB
$388.78 MSRP: $522.65
You Save: $133.87 (26%)
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Product Specifications
- Other Name: Valve, Water Control; Control Valve, Water Outlet
- Replaces: PYFA-15-16ZA
Fits the following Mazda Models:
- 3 | 2019-2025 | 2.0, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2018-2020 | Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Upper Hose Part Number: PYFB-15-18X
$26.93 MSRP: $35.91
You Save: $8.98 (26%)
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Product Specifications
- Other Name: Hose, Upper Water
- Position: Upper
Fits the following Mazda Models:
- CX-5 | 2018-2025 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Coolant Hose Part Number: LF94-15-260A
$34.36 MSRP: $45.83
You Save: $11.47 (26%)
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Product Specifications
- Other Name: Hose, Bypass; Inlet Tube
Fits the following Mazda Models:
- 3 | 2007-2013 | i | 4 Cyl 2.0 L GAS
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Mazda Water Valve Part Number: PYFD-15-16ZA
$372.48 MSRP: $496.73
You Save: $124.25 (26%)
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Product Specifications
- Other Name: Valve, Water Control; Control Valve, Water Inlet, Water Outlet
- Replaces: PYFD-15-16Z
Fits the following Mazda Models:
- 3 | 2019-2025 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2018-2021 | Sport, Touring | 4 Cyl 2.5 L GAS
- CX-3 | 2019-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-30 | 2020-2022 | 2.5 S, 2.5 S Carbon Edition, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2018-2025 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Outlet Hose Part Number: LFG1-15-380
$34.13 MSRP: $45.51
You Save: $11.38 (26%)
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Product Specifications
- Other Name: Hose, Water Sub Tank
Fits the following Mazda Models:
- MX-5 Miata | 2006-2015 | 25th Anniversary Edition, Base, Club, Club Spec, Grand Touring, SV, Special Edition, Sport, Touring | 4 Cyl 2.0 L GAS
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Mazda Upper Hose Part Number: B61P-15-186
$12.86 MSRP: $17.15
You Save: $4.29 (26%)
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Product Specifications
- Other Name: Hose, Upper Water
- Position: Upper
Fits the following Mazda Models:
- Miata | 1990-1993 | Base, LE, SE | 4 Cyl 1.6 L GAS
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Mazda Lower Hose Part Number: B61P-15-185
$12.51 MSRP: $16.69
You Save: $4.18 (26%)
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Product Specifications
- Other Name: Hose, Lower Water
- Position: Lower
- Replaces: BPE8-15-185
Fits the following Mazda Models:
- Miata | 1990-1997 | Base, LE, M Edition, SE, STO | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS
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Mazda Upper Hose Part Number: BPE8-15-186
$16.66 MSRP: $22.22
You Save: $5.56 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Water
- Position: Upper
Fits the following Mazda Models:
- Miata | 1994-1997 | Base, M Edition, STO | 4 Cyl 1.8 L GAS
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Mazda Radiator Hose Part Number: BP4W-15-185B
$35.06 MSRP: $46.77
You Save: $11.71 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Water; Lower Hose
- Replaces: BP4W-15-185A
Fits the following Mazda Models:
- Miata | 1999-2005 | 10th Anniversary, Base, LS, Mazdaspeed, SE, Shinsen | 4 Cyl 1.8 L GAS
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Mazda Inlet Hose Part Number: PE08-15-18YA
$91.60 MSRP: $122.16
You Save: $30.56 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Water; Lower Hose
- Replaces: PE08-15-185A
Fits the following Mazda Models:
- 3 | 2012-2013 | Mazdaspeed, S, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda Upper Hose Part Number: FP47-15-186C
$19.30 MSRP: $25.73
You Save: $6.43 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Water
- Position: Upper
- Replaces: FP47-15-186B, FP47-15-186A
Fits the following Mazda Models:
- Protege | 1999-2003 | DX, ES, LX, MP3, Mazdaspeed | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Protege5 | 2002-2003 | Base | 4 Cyl 2.0 L GAS
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Mazda By-Pass Pipe Part Number: ZL01-15-280A
$58.35 MSRP: $77.81
You Save: $19.46 (26%)
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Product Specifications
- Other Name: Pipe, By-Pass
Fits the following Mazda Models:
- Protege | 1999-2001 | DX, LX | 4 Cyl 1.6 L GAS
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Mazda Upper Hose Part Number: L555-15-18X
$44.65 MSRP: $59.54
You Save: $14.89 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Water
- Position: Upper
Fits the following Mazda Models:
- CX-7 | 2010-2012 | SV, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Lower Hose Part Number: L37K-15-20ZE
$35.89 MSRP: $47.85
You Save: $11.96 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Water
- Position: Lower
- Replaces: L37K-15-20ZB, L33L-15-20Z, L37K-15-20ZC, L37K-15-20ZA
Fits the following Mazda Models:
- CX-7 | 2007-2012 | Grand Touring, SV, Sport, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS

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1-20 of 435 Results

Mazda Radiator Hose

Mazda Radiator Hose is designed to keep engine temperatures consistent with every drive smooth and carefree. Mazda started building vehicles in 1931 and was famous for the rotary engine in the 1960s, eventually rolling out fuel-saving Skyactiv motors that are part power and part thrift. Today Mazda combines the Kodo Soul of Motion styling with i-Activsense safety tech such as radar cruise, and the company is looking at electric drives and mild hybrids while testing i-Activ AWD grip on rough roads to retain the lively handling drivers love. This combination of sharp looks, smart features, and fun-to-drive spirit places Mazda in a unique spot where efficiency meets excitement. While the cars do their bit on the road, this hose works silently under the hood. A Mazda Radiator Hose is a flexible tube that transports coolant between the engine block and the radiator in a loop that carries heat away before it damages vital parts. Every model has an upper hose that deals with hotter flow and a lower hose that is exposed to the pump suction, each one being reinforced but flexible enough to bend with the movement of the engine without cracking. Quick inspection of the Radiator Hose helps prevent leaks that can lead to overheating, which in turn keeps the cabin warm in winter and performs on steep summer climbs across the entire Mazda lineup.

You'll get great performance and real durability when you pick genuine OEM Radiator Hose. Mazda builds these using high-quality materials and official factory methods to ensure they hold up mile after mile. You deserve that Mazda reliability without the headache of cheap knockoffs. It is easy to find exactly what you need in our huge inventory of genuine parts. Plus, every OEM part carries a real manufacturer's warranty for your peace of mind. You will love our low prices too. Order today and we will ship your brand-new parts fast. They often reach your door in just a few days.

Mazda Radiator Hose Parts and Q&A

By-Pass Hose
JF01-15-189
Q:
How to remove and install a radiator hose on Mazda 929?
A:
The procedure to remove and install hoses will require that you first remove the radiator cap and empty the radiator of its coolant either by opening the petcock or removing the lower radiator hose. Draining ethylene glycol antifreeze into a container with a cap is essential in order to avoid the risk of injuring pets since the compound is toxic. When changing bottom hose, empty all the coolant; when changing top hose, empty just enough to reduce the amount of fluid. Slide and loosen hose clamps towards the middle of the hose then disconnect, in case needed, in a twisting motion. The clamps should be placed approximately 2 inches on both ends and tight when installing a new hose so that it does not crush the metal on the radiator connections. Once the petcock is closed, add coolant, and briefly run the engine to verify the presence of leaks. In the RX-7 models, the coolant flows just like in normal engines and the upper hose must be partially drained whereas the lower hose must be fully drained. Never drain the engine when it is hot, and never upset the radiator cap. When removable the tower hose is undergoing removal, the splash panel should be removed first. Install the RX-7 the same way, but make sure the clamps are not tightened too tightly so as to break. Following any refitting of the panels, start the engine and make sure that there is no leakage and fill up the radiator accordingly. In a car, old hoses can be kept in a plastic bag to be accessed in time of need.
Upper Hose
HE01-15-186
Q:
How to replace a radiator hose in a cooling system on Mazda B2000?
A:
To remove the hose, initially empty the current antifreeze and the engine coolant by opening the radiator and the radiator drain petcock or disconnect the bottom radiator hose at the radiator drain so that pets cannot drink the coolant of the fresh toxic ethylene glycol. Penetrating lubricant should be applied to the radiator petcock then opened. The second step is to loosen the clamps on both ends of the hose to be removed and pull away the hose off the connections. Clamp the ends of the new hose and insert the hose on the connections and screw the clamps, and make sure that they are pushed over any beads on the connections. Lastly, replenish the cooling system coolant, start the engine and inspect the hose fittings of any leakages.