What are the differences between oil pressure senders and oil pressure switches, and how are they tested and installed on Mazda B2200?

Oil pressure senders are utilized for oil pressure gauges, while oil pressure switches are designated for vehicles equipped solely with a low oil pressure warning lamp. The locations of these components vary by engine type: for the 2.2L engine, they are found on the left side rear of the engine in the cylinder head; for the 2.6L engine, on the right-hand side of the engine block above the oil filler; for the 3.0L engine (MPV), on the left-hand lower side of the engine at the oil filter adapter; and for the 4.0L engine, on the left side front of the engine below the cylinder head in the engine block. To test the oil pressure switch, open the hood and locate the switch, then disconnect the wire and attach one end of a jumper wire to the terminal on the end of the wire, touching the other end to a good engine ground while an assistant observes the instrument gauge cluster for the illumination of the low oil warning lamp. If the lamp does not illuminate, try a different grounding area; if it still does not illuminate, touch the jumper wire to the negative battery post to determine if the engine is properly grounded. If the lamp illuminates, the grounding is the issue; if not, connect the original wire to the oil pressure switch, turn the ignition switch to the ON position without starting the engine, and check the other lights on the instrument cluster to assess the condition of the oil pressure switch and power supply. For removal and installation, first disconnect the negative battery cable, then disconnect the wiring at the sender/switch and remove the oil pressure sender/switch from the engine. For installation, coat the threads with electrically conductive sealer, thread the unit into place, tighten it to 10-13 ft. lbs (13-17Nm), reattach the wiring, and connect the negative battery cable.

How to test the oil pressure switch and How to remove and install on Mazda Millenia?

To verify the oil pressure switch, connect an ohmmeter between the oil pressure switch and ground to determine continuity with the engine off and on. Start by removing the single wire harness connector of the switch. Switch on the ignition switch; the lamp indicating the presence of oil pressure must be off, and it is not, then look at the wire harness and see whether it has shorted to ground. Attach the ohmmeter to the pressure switch and ground, when the engine is off the ohmmeter must show continuity, and when the engine is running, must show no continuity. In case the readings are not indicated as planned, carry out an engine oil pressure check, and in case the oil pressure is normal, change the switch. Removal and installation To be removed and installed, place oil pressure switch or filter close to the oil filter. Disassemble the connector with the wire harness by unscrewing it counterclockwise, and wipe off the switch by wiping the connector. Installation This is a 3 thread installation where the thread three up, and the head of the switch sealed with sealant of the third thread then tightened to 8.7-13 ft. lbs. (12-17Nm).

Genuine Mazda Oil Pressure Switch

Oil Pressure Sender Switch

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22 Oil Pressure Switches found

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Mazda Oil Pressure Sending Unit Part Number: LF01-18-501A
$2.56 MSRP: $3.42
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Product Specifications
- Other Name: Switch, Oil Pressure; Oil Pressure Sending Unit
- Replaces: L3H5-18-501, LF01-18-501
Fits the following Mazda Models:
- 3 | 2004-2013 | i, Mazdaspeed, S, SP23 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 5 | 2012-2015, 2006-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2003-2008 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
- CX-7 | 2007-2012 | Grand Touring, Sport, SV, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- MX-5 Miata | 2006-2015 | 25th Anniversary Edition, Base, Club, Club Spec, Grand Touring, Special Edition, Sport, SV, Touring | 4 Cyl 2.0 L GAS
- Tribute | 2005-2006 | i | 4 Cyl 2.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: E5D3-18-501
$20.44 MSRP: $27.26
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Product Specifications
- Other Name: Switch Oil
Fits the following Mazda Models:
- B2000 | 1986, 1984 | Base, LX, SE-5, Sundowner Base, Sundowner SE-5, Sundowner Sport | 4 Cyl 2.0 L GAS
- B2200 | 1987-1989 | Base, LX, SE-5 | 4 Cyl 2.2 L GAS
- B2600 | 1990-1993 | Base, LE-5, SE-5 | 4 Cyl 2.6 L GAS
- MPV | 1989-1994 | Cargo, Passenger | 4 Cyl 2.6 L GAS
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Mazda Oil Pressure Sending Unit Part Number: 1F20-18-501C
$21.69 MSRP: $28.91
You Save: $7.22 (25%)
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Product Specifications
- Other Name: Switch, Oil Pressure; Oil Pressure Sending Unit
- Replaces: 1F20-18-501, 1F20-18-501A, 1F20-18-501B, 1F00-18-501, CY01-18-501A, CY01-18-501
Fits the following Mazda Models:
- 6 | 2009-2013 | S | 6 Cyl 3.7 L GAS
- B2300 | 2001-2007 | Base, SE, SX | 4 Cyl 2.3 L GAS
- B2500 | 2001 | SE, SX | 4 Cyl 2.5 L GAS
- B3000 | 2001-2007 | Base, DS, SE | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- B4000 | 2000-2009 | Base, DS, SE, Troy Lee | 6 Cyl 4.0 L GAS
- 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 Oil Pressure Sending Unit Part Number: B366-18-501
$23.25 MSRP: $31.01
You Save: $7.76 (26%)
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Product Specifications
- Other Name: Switch Oil
Fits the following Mazda Models:
- 626 | 1990-1992 | DX, GT, LE, LX | 4 Cyl 2.2 L GAS
- B2200 | 1990-1993 | Base, LE-5, SE-5 | 4 Cyl 2.2 L GAS
- MX-6 | 1990-1992 | DX, GT, GT 4WS, LE, LX | 4 Cyl 2.2 L GAS
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Mazda Oil Pressure Sending Unit Part Number: B367-18-501B
$24.51 MSRP: $32.69
You Save: $8.18 (26%)
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Product Specifications
- Other Name: Switch Oil
- Replaces: B367-18-501, FS11-18-50X, B367-18-501A
Fits the following Mazda Models:
- 2 | 2011-2014 | Sport, Touring | 4 Cyl 1.5 L GAS
- 323 | 1990-1994 | Base, SE | 4 Cyl 1.6 L GAS
- 626 | 1993-2002 | DX, ES, LX | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
- MX-3 | 1992-1995 | Base, GS | 4 Cyl 1.6 L GAS, 6 Cyl 1.8 L GAS
- MX-6 | 1993-1997 | Base, LS, M Edition | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
- Miata | 1999-2005, 1995-1997 | 10th Anniversary, Base, LS, M Edition, Mazdaspeed, SE, Shinsen, STO | 4 Cyl 1.8 L GAS
- Millenia | 1995-2002 | Base, L, Millennium Edition, S | 6 Cyl 2.3 L GAS, 6 Cyl 2.5 L GAS
- Protege | 1990-2003 | DX, ES, LX, Mazdaspeed, MP3, SE | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 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 Oil Pressure Sending Unit Part Number: R207-18-501
$24.93 MSRP: $33.24
You Save: $8.31 (25%)
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Product Specifications
- Other Name: Switch Oil
Fits the following Mazda Models:
- 626 | 1984-1989 | DX, GT, LX, Turbo, Turbo 4WS | 4 Cyl 2.0 L GAS, 4 Cyl 2.2 L GAS
- B2200 | 1984 | Sundowner Base | 4 Cyl 2.2 L DIESEL
- MX-6 | 1988-1989 | DX, GT, GT 4WS, LX | 4 Cyl 2.2 L GAS
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Mazda Oil Pressure Sending Unit Part Number: 1F21-18-501C
$26.53 MSRP: $35.37
You Save: $8.84 (25%)
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Product Specifications
- Other Name: Switch, Oil Pressure; Oil Pressure Sending Unit
- Replaces: 1F21-18-501A, 1F21-18-501B, 1F21-18-501, L3N1-18-501A, L3N1-18-501B
Fits the following Mazda Models:
- 6 | 2011-2013 | i | 4 Cyl 2.5 L GAS
- B2300 | 2005-2009 | Base | 4 Cyl 2.3 L GAS
- B3000 | 2005-2007 | Base, DS | 6 Cyl 3.0 L GAS
- Tribute | 2008-2011 | Hybrid, i | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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Mazda Oil Pressure Sending Unit Part Number: PE01-18-501B
$32.06 MSRP: $42.75
You Save: $10.69 (26%)
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Product Specifications
- Other Name: Switch, Oil Pressure
- Replaces: PE01-18-501A, PE01-18-501
Fits the following Mazda Models:
- 3 | 2012-2018 | Grand Touring, i, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2014-2017 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-3 | 2016-2018 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2018 | Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- MX-5 Miata | 2016-2022 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, Sport | 4 Cyl 2.0 L GAS
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Mazda Oil Pressure Sending Unit Part Number: FNE2-21-2J1A
$82.10 MSRP: $109.49
You Save: $27.39 (26%)
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Product Specifications
- Other Name: Switch, Oil Pressure
- Replaces: FSS0-21-2J1A
Fits the following Mazda Models:
- 6 | 2009-2010 | i | 4 Cyl 2.5 L GAS
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Mazda Oil Pressure Sending Unit Part Number: BU01-21-291A
$14.31 MSRP: $107.35
You Save: $93.04 (87%)
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Product Specifications
- Other Name: Switch, Oil Pressure
Fits the following Mazda Models:
- RX-7 | 1984-1985 | GS, GSL, GSL-SE, S | 2 Cyl 1.1 L GAS, 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: PY8V-18-541B
$112.74 MSRP: $150.34
You Save: $37.60 (26%)
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Product Specifications
- Other Name: Sensor, Oil Pressure; Oil Pressure Sending Unit
- Replaced by: PX9R-18-541
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.0, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2018-2021 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-3 | 2019-2020 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2019-2022 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition, Carbon Edition Turbo, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS
- CX-9 | 2016-2021 | Carbon Edition, Grand Touring, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Oil Pressure Sending Unit Part Number: N3R1-18-541
$113.48 MSRP: $151.32
You Save: $37.84 (26%)
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Product Specifications
- Other Name: Sensor, Oil Pressure
Fits the following Mazda Models:
- RX-8 | 2009-2011 | Grand Touring, R3, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: N201-14-820
$124.90 MSRP: $166.57
You Save: $41.67 (26%)
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Product Specifications
- Other Name: Gauge Unit, Oil Pressure
Fits the following Mazda Models:
- RX-7 | 1990-1991 | Base, Convertible, GTU, GTUs, GXL, GXL 2+2, Turbo | 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: N3A1-14-820
$163.20 MSRP: $217.64
You Save: $54.44 (26%)
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Product Specifications
- Other Name: Gauge Unit, Oil Pressure
Fits the following Mazda Models:
- RX-7 | 1993-1995 | Base, R1, R2, Touring | 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: N3A1-10-470A
$164.76 MSRP: $219.73
You Save: $54.97 (26%)
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Product Specifications
- Other Name: Sensor
- Replaces: N3A1-10-470
Fits the following Mazda Models:
- RX-7 | 1993-1995 | Base, R1, R2, Touring | 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: N201-10-730
$183.84 MSRP: $245.17
You Save: $61.33 (26%)
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Product Specifications
- Other Name: Sensor, Oil Level
Fits the following Mazda Models:
- RX-7 | 1984-1985 | GS, GSL, GSL-SE, S | 2 Cyl 1.1 L GAS, 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: B61P-18-501
$234.78 MSRP: $313.09
You Save: $78.31 (26%)
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Product Specifications
- Other Name: Switch Oil
Fits the following Mazda Models:
- Miata | 1990-1994 | Base, LE, M Edition, SE | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS
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Mazda Oil Pressure Sending Unit Part Number: N3H1-18-501
$22.38 MSRP: $29.84
You Save: $7.46 (25%)
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Product Specifications
- Other Name: Switch, Oil Pressure
Fits the following Mazda Models:
- RX-8 | 2004-2008 | 40th Anniversary Edition, Base, Grand Touring, Shinka, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Oil Pressure Sending Unit Part Number: JF01-18-501A
$7.82 MSRP: $10.27
You Save: $2.45 (24%)
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Product Specifications
- Other Name: Switch Oil
Fits the following Mazda Models:
- 929 | 1988-1991 | Base, S | 6 Cyl 3.0 L GAS
- MPV | 1989-1998 | Cargo, DX, ES, L, LX, LXE, Passenger | 6 Cyl 3.0 L GAS
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Mazda Oil Pressure Sending Unit Part Number: ZZC0-18-501A
$118.75 MSRP: $158.37
You Save: $39.62 (26%)
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Product Specifications
- Other Name: Switch, Oil Black Connector
- Replaces: AJC1-18-501, ZZC0-18-501, ZZTT-18-501, GY01-18-501, GY01-18-501A
Fits the following Mazda Models:
- 6 | 2003-2008 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
- MPV | 2000-2006 | DX, ES, LX, LX-SV | 6 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- Tribute | 2008-2011, 2001-2006 | DX, ES, LX, S | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mazda Oil Pressure Switch

Every part of the car is important. Your vehicle's performance will be compromised if something goes wrong with the Mazda Oil Pressure Switch. Therefore, for your smooth driving and safety, you need regular checks and timely replacements. Whenever you need replacements, opt for genuine Mazda Oil Pressure Switches. Because they meet the manufacturer's criteria, it guarantees that replacements fit perfectly. Thus, these make better choices for people who care about driving. Why should you shop at MazdaPartsNow.com? We sell genuine Mazda Oil Pressure Switches. In our online catalog, there is a wide range of different parts. These are delivered directly from authorized Mazda dealers only so that customers can be sure of their security throughout any transaction while using our website. Furthermore, you can also quickly search for OEM parts you want because of our user-friendly site navigation. Choose us for a genuine Mazda Oil Pressure Switch that keeps your car running like new.

Mazda Oil Pressure Switch Parts and Q&A

Oil Pressure Sending Unit
B366-18-501
Q: What are the differences between oil pressure senders and oil pressure switches, and how are they tested and installed on Mazda B2200?
A:
Oil pressure senders are utilized for oil pressure gauges, while oil pressure switches are designated for vehicles equipped solely with a low oil pressure warning lamp. The locations of these components vary by engine type: for the 2.2L engine, they are found on the left side rear of the engine in the cylinder head; for the 2.6L engine, on the right-hand side of the engine block above the oil filler; for the 3.0L engine (MPV), on the left-hand lower side of the engine at the oil filter adapter; and for the 4.0L engine, on the left side front of the engine below the cylinder head in the engine block. To test the oil pressure switch, open the hood and locate the switch, then disconnect the wire and attach one end of a jumper wire to the terminal on the end of the wire, touching the other end to a good engine ground while an assistant observes the instrument gauge cluster for the illumination of the low oil warning lamp. If the lamp does not illuminate, try a different grounding area; if it still does not illuminate, touch the jumper wire to the negative battery post to determine if the engine is properly grounded. If the lamp illuminates, the grounding is the issue; if not, connect the original wire to the oil pressure switch, turn the ignition switch to the ON position without starting the engine, and check the other lights on the instrument cluster to assess the condition of the oil pressure switch and power supply. For removal and installation, first disconnect the negative battery cable, then disconnect the wiring at the sender/switch and remove the oil pressure sender/switch from the engine. For installation, coat the threads with electrically conductive sealer, thread the unit into place, tighten it to 10-13 ft. lbs (13-17Nm), reattach the wiring, and connect the negative battery cable.
Oil Pressure Sending Unit
B367-18-501B
Q: How to test the oil pressure switch and How to remove and install on Mazda Millenia?
A:
To verify the oil pressure switch, connect an ohmmeter between the oil pressure switch and ground to determine continuity with the engine off and on. Start by removing the single wire harness connector of the switch. Switch on the ignition switch; the lamp indicating the presence of oil pressure must be off, and it is not, then look at the wire harness and see whether it has shorted to ground. Attach the ohmmeter to the pressure switch and ground, when the engine is off the ohmmeter must show continuity, and when the engine is running, must show no continuity. In case the readings are not indicated as planned, carry out an engine oil pressure check, and in case the oil pressure is normal, change the switch. Removal and installation To be removed and installed, place oil pressure switch or filter close to the oil filter. Disassemble the connector with the wire harness by unscrewing it counterclockwise, and wipe off the switch by wiping the connector. Installation This is a 3 thread installation where the thread three up, and the head of the switch sealed with sealant of the third thread then tightened to 8.7-13 ft. lbs. (12-17Nm).