What steps are involved in replacing the differential seal and preventing oil leaks on Mazda MX-5 Miata?

Oil spillages can be caused by wearage of the extension housing oil seal or the speedometer drive gear O-ring, and replacing the seals is fairly simple, the transmission is not necessarily removed to replace them. The rear of the transmission has a housing that houses the oil seal that is attached to the driveshaft. To ensure that there is no leakage, raise the vehicle up on jackstands; in the case that the seal is leaking, the transmission lubricant will pool on the front side of the driveshaft and possibly drip out the back of the transmission. Start by taking off the driveshaft and then using a screwdriver or pry bar to carefully pop the oil seal out of the rear of the transmission making sure to not break the splines of the transmission output shaft. A special oil seal removal tool can be required in case the seal is hard to take away. To install, a large cross section of pipe or a deep socket is used to install the new oil seal, and it is important to make sure it is driven in firmly and to a complete fit. Apply lightweight grease to the splines of the transmission output shaft and around the outer portion of the driveshaft sleeve yoke and reinstall the driveshaft careful not to overstep the lip of the new seal. In models that are 1997 and below, the speedometer cable driven gear housing is at the end of the side of the extension housing; look around the cable housing to detect the presence of transmission oil. Unplug the speedometer cable and take out the driven gear housing, then put in a new O-ring in the driven gear housing then put the driven gear housing and the cable back on the extension housing.

How to check and fill the lubricant level in a Differential Seal and Transfer Case on Mazda MPV?

The transfer case has check and fill plugs on the sides that should be taken off to measure the level of lubricant. When lifting the vehicle to reach the plugs, make sure that it is well supported with jackstands, never at any time should it be supported solely by a jack. To test the level of lubricant, take out the level plug and feel in the inside of the housing with your little finger, the lubricant bottom of the plug hole should be at or very close to the bottom. When the level is low then take out the upper plug and pour in the suggested lubricant with the help of a syringe or squeeze bottle. Once lubricant is added then insert the plugs, screw them in, and inspect them before driving several miles.

Genuine Mazda Differential Seal

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25 Differential Seals found

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Mazda Output Shaft Seal Part Number: P016-27-238
$10.96 MSRP: $14.63
You Save: $3.67 (26%)
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Product Specifications
- Other Name: Seal, Oil; Axle Seal
Fits the following Mazda Models:
- 929 | 1988-1991 | Base, S | 6 Cyl 3.0 L GAS
- RX-7 | 1989-1991 | Turbo | 2 Cyl 1.3 L GAS
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Mazda Pinion Seal Part Number: M005-27-165
$15.69 MSRP: $20.91
You Save: $5.22 (25%)
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Product Specifications
- Other Name: Oil Seal
Fits the following Mazda Models:
- B2000 | 1986-1987 | Base, LX, SE-5 | 4 Cyl 2.0 L GAS
- B2200 | 1987-1989 | Base, LX, SE-5 | 4 Cyl 2.2 L GAS
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Mazda Oil Seal Part Number: M0A7-27-238A
$16.64 MSRP: $22.19
You Save: $5.55 (26%)
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Product Specifications
- Other Name: Seal, Oil; Axle Seal, Oil Seal
- Replaces: M0A7-27-238
Fits the following Mazda Models:
- 6 | 2006-2007 | 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
- CX-9 | 2007-2015 | Grand Touring, Sport, Touring | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MPV | 1996-1998 | DX, ES, LX | 6 Cyl 3.0 L GAS
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Mazda Pinion Seal Part Number: R001-27-165
$21.01 MSRP: $28.02
You Save: $7.01 (26%)
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Product Specifications
- Other Name: Oil Seal; Front Seal
- Replaces: P017-27-165
Fits the following Mazda Models:
- 929 | 1988-1995 | Base, S | 6 Cyl 3.0 L GAS
- B2600 | 1990-1993, 1987-1988 | Base, LE-5, LX, SE-5 | 4 Cyl 2.6 L GAS
- MPV | 1989-1998 | Cargo, DX, ES, L, LX, LXE, Passenger | 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS
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Mazda Seal Part Number: 1F70-27-018
$12.50 MSRP: $16.67
You Save: $4.17 (26%)
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Product Specifications
- Other Name: Seal, Oil; Pinion Seal
- Replaces: 1F00-27-018A, 1F00-27-018
Fits the following Mazda Models:
- B2300 | 2001-2009 | Base, SE, SX | 4 Cyl 2.3 L GAS
- B2500 | 1998-2001 | SE, SX, Troy Lee | 4 Cyl 2.5 L GAS
- B3000 | 1998-2007 | Base, DS, SE, SX, Troy Lee | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- B4000 | 1998-2009 | Base, DS, SE, Troy Lee | 6 Cyl 4.0 L GAS
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Mazda Pinion Seal Part Number: 0604-27-018
$5.84 MSRP: $7.78
You Save: $1.94 (25%)
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Product Specifications
- Other Name: Oil Seal
Fits the following Mazda Models:
- B2000 | 1984 | Sundowner Base, Sundowner SE-5, Sundowner Sport | 4 Cyl 2.0 L GAS
- B2200 | 1984 | Sundowner Base | 4 Cyl 2.2 L DIESEL
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Mazda Pinion Seal Part Number: M0A3-27-165
$10.83 MSRP: $14.44
You Save: $3.61 (25%)
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Product Specifications
- Other Name: Oil Seal; Inner Seal, Pinion Seal, Rear Seal
Fits the following Mazda Models:
- B2600 | 1989 | Base, LX, SE-5 | 4 Cyl 2.6 L GAS
- MPV | 1989-1998 | Cargo, DX, ES, L, LX, LXE, Passenger | 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS
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Mazda Seal Part Number: M054-27-165
$15.58 MSRP: $20.77
You Save: $5.19 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Seal; Pinion Seal, Pinion Shaft Seal
Fits the following Mazda Models:
- 6 | 2006-2007 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
- B2200 | 1990-1993 | Base, LE-5, SE-5 | 4 Cyl 2.2 L GAS
- CX-7 | 2007-2012 | Grand Touring, Sport, SV, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 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 Pinion Seal Part Number: FZ03-27-238
$8.00 MSRP: $10.67
You Save: $2.67 (26%)
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Product Specifications
- Other Name: Seal, Oil; Pinion Seal
- Replaces: FZA3-27-238
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
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Mazda Pinion Seal Part Number: KA01-27-165
$8.08 MSRP: $10.77
You Save: $2.69 (25%)
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Product Specifications
- Other Name: Seal, Oil; Pinion Seal
Fits the following Mazda Models:
- CX-3 | 2016-2020 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2022 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition, Carbon Edition Turbo, Grand Select, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.0 L GAS, 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 Pinion Seal Part Number: CA01-27-165
$9.05 MSRP: $12.07
You Save: $3.02 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Oil; Pinion Seal, Pinion Shaft Seal
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
- 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
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Mazda Pinion Seal Part Number: FZ02-27-238
$9.65 MSRP: $12.86
You Save: $3.21 (25%)
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Product Specifications
- Other Name: Seal, Oil; Pinion Seal
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda Output Shaft Seal Part Number: R004-27-238
$11.45 MSRP: $15.26
You Save: $3.81 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Oil
Fits the following Mazda Models:
- 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
- RX-8 | 2004-2011 | 40th Anniversary Edition, Base, Grand Touring, R3, Shinka, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Pinion Seal Part Number: MA02-27-165A
$11.78 MSRP: $15.70
You Save: $3.92 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Oil
- Replaces: MA02-27-165
Fits the following Mazda Models:
- MX-5 Miata | 2016-2022 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, RF GT, Sport | 4 Cyl 2.0 L GAS
- Miata | 1999-2005, 1994-1997 | 10th Anniversary, Base, LS, M Edition, Mazdaspeed, SE, Shinsen, STO | 4 Cyl 1.8 L GAS
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Mazda Output Shaft Seal Part Number: P043-27-238A
$12.00 MSRP: $16.01
You Save: $4.01 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Oil; Axle Seal
- Replaces: P043-27-238
Fits the following Mazda Models:
- 929 | 1992-1995 | Base | 6 Cyl 3.0 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
- RX-7 | 1993-1995 | Base, R1, R2, Touring | 2 Cyl 1.3 L GAS
- RX-8 | 2004-2011 | 40th Anniversary Edition, Base, Grand Touring, R3, Shinka, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Pinion Seal Part Number: T020-27-165
$14.95 MSRP: $19.93
You Save: $4.98 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Seal
Fits the following Mazda Models:
- Miata | 1990-1993 | Base, LE, SE | 4 Cyl 1.6 L GAS
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Mazda Pinion Seal Part Number: GF7L-27-238
$16.25 MSRP: $21.68
You Save: $5.43 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Oil; Pinion Seal
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
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Mazda Pinion Seal Part Number: T005-27-165A
$2.67 MSRP: $24.19
You Save: $21.52 (89%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oil Seal
Fits the following Mazda Models:
- 323 | 1988-1991 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
- Protege | 1990-1991 | 4WD, DX, LX, SE | 4 Cyl 1.8 L GAS
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Mazda Pinion Seal Part Number: FZ01-27-238
$8.79 MSRP: $11.72
You Save: $2.93 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Oil; Pinion Seal
- Replaces: FZA1-27-238
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda Oil Seal Part Number: F401-17-131A
$12.11 MSRP: $16.15
You Save: $4.04 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Oil
- Replaces: F401-17-131
Fits the following Mazda Models:
- MPV | 1989-1998 | Cargo, DX, ES, L, LX, LXE, Passenger | 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS

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1-20 of 25 Results

Mazda Differential Seal

The Mazda Differential Seal seals precious gear oil within the axle, enabling torque to split smoothly as well as shielding inner gears from dirt. Mazda cars are known for their responsive handling, Skyactiv engines that sip gas and the signature Kodo styling that makes every curve appear alive. Drivers also enjoy i-Activsense safety features, advanced all-wheel drive testing that tackles rough tracks, and emerging electric options that prove Mazda keeps thinking ahead. By combining efficiency with a grin-inducing sense of drive, Mazda creates vehicles that are light on their wheels and sturdy for long journeys, giving their owners confidence mile after mile. Alongside those brand strengths, the Differential Seal quietly holds the entire lineup. Made from resilient synthetic rubber and supported by a spring lip, a Mazda Differential Seal clings to the spinning flange to keep oil pressure, heat and splash contained. It fits any open or limited slip differential found in the company's cars or SUVs, leaving lubrication where it belongs and keeping out grit that could grind the gears. Since it is subject to constant rotation, in addition to temperature fluctuations, this small part maintains smooth cornering and silent acceleration throughout the drivetrain. When checked with routine service, a healthy Differential Seal allows every Mazda to continue delivering the balanced performance and reliability fans expect.

You'll get great performance and real durability when you pick genuine OEM Differential Seal. 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 Differential Seal Parts and Q&A

Output Shaft Seal
P043-27-238A
Q: What steps are involved in replacing the differential seal and preventing oil leaks on Mazda MX-5 Miata?
A:
Oil spillages can be caused by wearage of the extension housing oil seal or the speedometer drive gear O-ring, and replacing the seals is fairly simple, the transmission is not necessarily removed to replace them. The rear of the transmission has a housing that houses the oil seal that is attached to the driveshaft. To ensure that there is no leakage, raise the vehicle up on jackstands; in the case that the seal is leaking, the transmission lubricant will pool on the front side of the driveshaft and possibly drip out the back of the transmission. Start by taking off the driveshaft and then using a screwdriver or pry bar to carefully pop the oil seal out of the rear of the transmission making sure to not break the splines of the transmission output shaft. A special oil seal removal tool can be required in case the seal is hard to take away. To install, a large cross section of pipe or a deep socket is used to install the new oil seal, and it is important to make sure it is driven in firmly and to a complete fit. Apply lightweight grease to the splines of the transmission output shaft and around the outer portion of the driveshaft sleeve yoke and reinstall the driveshaft careful not to overstep the lip of the new seal. In models that are 1997 and below, the speedometer cable driven gear housing is at the end of the side of the extension housing; look around the cable housing to detect the presence of transmission oil. Unplug the speedometer cable and take out the driven gear housing, then put in a new O-ring in the driven gear housing then put the driven gear housing and the cable back on the extension housing.
Pinion Seal
M0A3-27-165
Q: How to check and fill the lubricant level in a Differential Seal and Transfer Case on Mazda MPV?
A:
The transfer case has check and fill plugs on the sides that should be taken off to measure the level of lubricant. When lifting the vehicle to reach the plugs, make sure that it is well supported with jackstands, never at any time should it be supported solely by a jack. To test the level of lubricant, take out the level plug and feel in the inside of the housing with your little finger, the lubricant bottom of the plug hole should be at or very close to the bottom. When the level is low then take out the upper plug and pour in the suggested lubricant with the help of a syringe or squeeze bottle. Once lubricant is added then insert the plugs, screw them in, and inspect them before driving several miles.