What procedure should be followed after removing the rod bearing along with the connecting rod and piston assemblies on Mazda B2000?

In case the connecting rod and piston assemblies have been already taken off out of the engine, follow the following process. The connecting rod bearings have a design that makes them slightly project the face of the rod and piston caps to have the positive contact and can be replaced without the removal of the rod and piston assemblies. Stamp the number of the cylinder on the machined parts of the connecting rod and cap with the bottommost journal connecting rod, then take the caps off. Check the journals against roughness and wear; the slight roughness can be smoothed using a fine grit polishing cloth soaked in engine oil, and burrs can be removed using a fine oil stone, and the stone should move around the circumference of the journal, and not back and forth. In case the journals are rated or stippled, then the crankshaft should be changed. Measure the journals of the connecting rod with a micrometer, and check out of roundness and proper size. All crankshaft rod journals will be of standard size but where undersized bearings are being utilized these will be 0.25mm undersized and marked by a stamp on the number 4 counterweight. Plastic gauging material is used by wiping the journal bearing cap, connecting rod and the outer and inner surface of the bearing inserts clean and making sure that the insert tang fits into the notch on the rod and cap. Introduce a strip of plastic gauging material in the center of the lower bearing shell, then clear the bearing cap, and measure the bearing clearances with the help of the width of the flattened plastic gauging material in its maximum width against the graduation on the container, which denotes the clearance, in thousandths of an inch or millimeters. In case the clearance is too much, change the bearing and re-inspect the clearance. There are undersized bearings in 0.25mm, 0.50mm, and 0.75mm. Before installing the bearing, lubricate the bearing with engine oil, and the same should be repeated with the rest of the connecting rod bearings to ensure that all the rods are hooked to their journals when turning the crankshaft without damaging the engine.

What can be learned from analyzing old rod bearings during engine overhaul, and what factors lead to bearing failure on Mazda Protege?

When the engine is being overhauled, although new main and connecting rod bearings are supposed to be fitted, the old bearings can be kept so that they can give information on how the engine was. Failure may occur due to ineffective lubrication, dirt or foreign objects, overloading of an engine, and corrosion, among others, which need to be taken care of and never re-occur in time of reassembly. When checking bearings, take them off their respective locations and place them in a clean place so as to match any problem with the crankshaft journal. The foreign particles may enter the engine during assembly, through filters, or machining operation and may be embedded in the material used to make the bearing and any larger particle can score. To avoid such failures, it is necessary to clean all parts of the parts properly and change the oil and filters regularly. Deficiency in lubrication may be attributed to too much heat, overloading, spillage of oil or blocked openings and extreme damage can occur. Driving patterns also influence bearing life; e.g. loading up the engine or taking short journeys may lead to oil shortage and rusting. Poor installation may also cause malfunctioning caused by inadequate space or stagnant debris. In case of worn original bearings or erroneous oil clearances, correct choice of new bearings is very important, particularly when the crankshaft has been regrounded, and then undersized bearings should be fitted. In case of standard size bearings use them as they are and in case of need, get a professional machine shop of engines to vary them. Finally, the most important aspect to be used in choosing the correct bearing sizes is the oil clearance, and a dealer or service department should be used to aid in making sure about uncertainties.

Genuine Mazda Rod Bearing

Engine Connecting Rod Bearing

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50 Rod Bearings found

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Mazda Bearing Part Number: 1F22-11-225B
$14.14 MSRP: $18.85
You Save: $4.71 (25%)
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Product Specifications
- Other Name: Metal, Connecting Rod; Bearing
- Replaces: 1F22-11-225, 1F22-11-225A
Fits the following Mazda Models:
- B4000 | 2001-2009, 1994-1998 | Base, DS, LE, SE | 6 Cyl 4.0 L GAS
- Navajo | 1991-1994 | DX, LX | 6 Cyl 4.0 L GAS
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Mazda Connecting Rod Bearing Part Number: PEY1-11-SF0
$50.31 MSRP: $67.10
You Save: $16.79 (26%)
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Product Specifications
- Other Name: Metal Set, Connecting Rod; Connecting Rod Bearing
Fits the following Mazda Models:
- 3 | 2021-2022, 2012-2018 | 2.0, i, i Grand Touring, I Sport, i SV, I Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-3 | 2016-2020 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- 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
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Mazda Connecting Rod Bearing Part Number: PEY1-11-SFX
$50.31 MSRP: $67.10
You Save: $16.79 (26%)
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Product Specifications
- Other Name: Metal Set, Connecting Rod; Connecting Rod Bearing
Fits the following Mazda Models:
- 3 | 2021-2022, 2012-2018 | 2.0, i, i Grand Touring, I Sport, i SV, I Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-3 | 2016-2020 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- 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
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Mazda Bearing Set Part Number: L5Y1-11-SF0
$51.30 MSRP: $68.41
You Save: $17.11 (26%)
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- 5 | 2012-2015 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- 6 | 2009-2013 | i | 4 Cyl 2.5 L GAS
- CX-7 | 2010-2012 | Sport, SV, Touring | 4 Cyl 2.5 L GAS
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Mazda Bearing Set Part Number: L5Y1-11-SFX
$51.65 MSRP: $68.88
You Save: $17.23 (26%)
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- 5 | 2012-2015 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- 6 | 2009-2013 | i | 4 Cyl 2.5 L GAS
- CX-7 | 2010-2012 | Sport, SV, Touring | 4 Cyl 2.5 L GAS
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Mazda Bearing Set Part Number: L5Y1-11-SE0
$52.36 MSRP: $69.83
You Save: $17.47 (26%)
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- 3 | 2010-2013 | S | 4 Cyl 2.5 L GAS
- 5 | 2012-2015 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- 6 | 2009-2013 | i | 4 Cyl 2.5 L GAS
- CX-7 | 2010-2012 | Sport, SV, Touring | 4 Cyl 2.5 L GAS
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Mazda Connecting Rod Bearing Part Number: PEY1-11-SE0
$52.85 MSRP: $70.48
You Save: $17.63 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod; Connecting Rod Bearing
Fits the following Mazda Models:
- 3 | 2021-2022, 2012-2018 | 2.0, i, i Grand Touring, I Sport, i SV, I Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-3 | 2016-2020 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- 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
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Mazda Connecting Rod Bearing Part Number: PYY1-11-SFX
$60.88 MSRP: $81.18
You Save: $20.30 (26%)
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Product Specifications
- Other Name: Metal Set, Connecting Rod; Connecting Rod Bearing
Fits the following Mazda Models:
- 3 | 2014-2023 | 2.5 S, Base, Carbon Edition, Grand Touring, Preferred, Premium, s Grand Touring, s Touring, Select, Touring | 4 Cyl 2.5 L GAS
- 6 | 2014-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2014-2022 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Connecting Rod Bearing Part Number: PYY1-11-SE0
$61.73 MSRP: $82.31
You Save: $20.58 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod; Connecting Rod Bearing
Fits the following Mazda Models:
- 3 | 2014-2023 | 2.5 S, Base, Carbon Edition, Grand Touring, Preferred, Premium, s Grand Touring, s Touring, Select, Touring | 4 Cyl 2.5 L GAS
- 6 | 2014-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2014-2022 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Connecting Rod Bearing Part Number: PYY1-11-SF0
$61.73 MSRP: $82.31
You Save: $20.58 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Metal Set, Connecting Rod; Connecting Rod Bearing
Fits the following Mazda Models:
- 3 | 2014-2023 | 2.5 S, Base, Carbon Edition, Grand Touring, Preferred, Premium, s Grand Touring, s Touring, Select, Touring | 4 Cyl 2.5 L GAS
- 6 | 2014-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-5 | 2014-2022 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Bearing Set Part Number: LFY4-11-SF0
$70.38 MSRP: $93.85
You Save: $23.47 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- MX-5 Miata | 2012-2015 | 25th Anniversary Edition, Club, Grand Touring, Special Edition, Sport, Touring | 4 Cyl 2.0 L GAS
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Mazda Bearing Set Part Number: LFY4-11-SFX
$70.38 MSRP: $93.85
You Save: $23.47 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- MX-5 Miata | 2012-2015 | 25th Anniversary Edition, Club, Grand Touring, Special Edition, Sport, Touring | 4 Cyl 2.0 L GAS
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Mazda Bearing Set Part Number: LFY1-11-SE0A
$80.69 MSRP: $107.60
You Save: $26.91 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
- Replaces: LFY1-11-SE0
Fits the following Mazda Models:
- 3 | 2004-2013 | i | 4 Cyl 2.0 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
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Mazda Bearing Set Part Number: L3Y4-11-SFX
$80.50 MSRP: $107.35
You Save: $26.85 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- CX-7 | 2012 | Grand Touring, Touring | 4 Cyl 2.3 L GAS
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Mazda Bearing Set Part Number: B6Y3-11-SE0
$87.91 MSRP: $117.23
You Save: $29.32 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
- Replaces: B6Y2-11-SE0A, B6Y2-11-SE0
Fits the following Mazda Models:
- Miata | 1999-2005, 1994-1997 | 10th Anniversary, Base, LS, M Edition, Mazdaspeed, SE, Shinsen, STO | 4 Cyl 1.8 L GAS
- Protege | 1992-2001 | Base, DX, ES, LX | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS
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Mazda Bearing Set Part Number: L3Y4-11-SF0
$85.95 MSRP: $114.62
You Save: $28.67 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
Fits the following Mazda Models:
- CX-7 | 2011-2012 | Grand Touring, Touring | 4 Cyl 2.3 L GAS
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Mazda Bearing Set Part Number: B6Y0-11-SE0
$92.69 MSRP: $123.61
You Save: $30.92 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connection
- Replaces: B6Y1-11-SE0
Fits the following Mazda Models:
- 323 | 1986-1990 | Base, DX, GT, GTX, LX, SE | 4 Cyl 1.6 L GAS
- Miata | 1990-1993 | Base, LE, SE | 4 Cyl 1.6 L GAS
- Protege | 1990 | 4WD, LX, SE | 4 Cyl 1.8 L GAS
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Mazda Bearing Set Part Number: LFY1-11-SFXA
$89.01 MSRP: $118.71
You Save: $29.70 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Metal Set, Connecting Rod
- Replaces: LFY1-11-SFX
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
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Mazda Bearing Set Part Number: LFY3-11-SF0A
$90.49 MSRP: $120.67
You Save: $30.18 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Metal Set, Connecting Rod
- Replaces: LFY3-11-SF0
Fits the following Mazda Models:
- MX-5 Miata | 2009-2012 | Grand Touring, Special Edition, Sport, SV, Touring | 4 Cyl 2.0 L GAS
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Mazda Bearing Set Part Number: LFY1-11-SF0A
$94.93 MSRP: $126.59
You Save: $31.66 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Metal Set, Connecting Rod
- Replaces: LFY1-11-SF0
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

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1-20 of 50 Results

Mazda Rod Bearing

The Mazda Rod Bearing supports the crankshaft with a thin oil film cutting friction and keeping engine temperatures stable, providing every driver with smoother revs and longer engine life. Mazda built its reputation on the back of fun, lively rotary motors, innovative Skyactiv technology and the elegant Kodo design language, all focused on combining efficiency and a fun driving spirit. From compact hatchbacks to spirited SUVs, Mazda vehicles share a commitment to light weight, responsive handling and i-Activsense safety features that help build confidence on any road. Continuous research into electric drive and honed all wheel drive systems demonstrate the way Mazda balances being forward thinking tech with the simple enjoyment of driving. Matching that philosophy, the Rod Bearing plays a quiet but critical role throughout the lineup. Built in split halves that snap tightly into the connecting rod and cap, each Rod Bearing contains bi metal or tri metal layers to resist wear, trap debris and endure high rpm loads without scuffing the crank journal. Precise oil hole alignment and tight clearances allow high pressure lubricant to float the crank so that metal never comes in contact with metal and the vibrations remain low. Because the design is applicable to the full range of Mazda engines, owners enjoy confident acceleration, reduced maintenance costs and dependable performance mile after mile.

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

Bearing
3975-23-105A
Q: What procedure should be followed after removing the rod bearing along with the connecting rod and piston assemblies on Mazda B2000?
A:
In case the connecting rod and piston assemblies have been already taken off out of the engine, follow the following process. The connecting rod bearings have a design that makes them slightly project the face of the rod and piston caps to have the positive contact and can be replaced without the removal of the rod and piston assemblies. Stamp the number of the cylinder on the machined parts of the connecting rod and cap with the bottommost journal connecting rod, then take the caps off. Check the journals against roughness and wear; the slight roughness can be smoothed using a fine grit polishing cloth soaked in engine oil, and burrs can be removed using a fine oil stone, and the stone should move around the circumference of the journal, and not back and forth. In case the journals are rated or stippled, then the crankshaft should be changed. Measure the journals of the connecting rod with a micrometer, and check out of roundness and proper size. All crankshaft rod journals will be of standard size but where undersized bearings are being utilized these will be 0.25mm undersized and marked by a stamp on the number 4 counterweight. Plastic gauging material is used by wiping the journal bearing cap, connecting rod and the outer and inner surface of the bearing inserts clean and making sure that the insert tang fits into the notch on the rod and cap. Introduce a strip of plastic gauging material in the center of the lower bearing shell, then clear the bearing cap, and measure the bearing clearances with the help of the width of the flattened plastic gauging material in its maximum width against the graduation on the container, which denotes the clearance, in thousandths of an inch or millimeters. In case the clearance is too much, change the bearing and re-inspect the clearance. There are undersized bearings in 0.25mm, 0.50mm, and 0.75mm. Before installing the bearing, lubricate the bearing with engine oil, and the same should be repeated with the rest of the connecting rod bearings to ensure that all the rods are hooked to their journals when turning the crankshaft without damaging the engine.
Bearing Set
B6Y3-11-SE0
Q: What can be learned from analyzing old rod bearings during engine overhaul, and what factors lead to bearing failure on Mazda Protege?
A:
When the engine is being overhauled, although new main and connecting rod bearings are supposed to be fitted, the old bearings can be kept so that they can give information on how the engine was. Failure may occur due to ineffective lubrication, dirt or foreign objects, overloading of an engine, and corrosion, among others, which need to be taken care of and never re-occur in time of reassembly. When checking bearings, take them off their respective locations and place them in a clean place so as to match any problem with the crankshaft journal. The foreign particles may enter the engine during assembly, through filters, or machining operation and may be embedded in the material used to make the bearing and any larger particle can score. To avoid such failures, it is necessary to clean all parts of the parts properly and change the oil and filters regularly. Deficiency in lubrication may be attributed to too much heat, overloading, spillage of oil or blocked openings and extreme damage can occur. Driving patterns also influence bearing life; e.g. loading up the engine or taking short journeys may lead to oil shortage and rusting. Poor installation may also cause malfunctioning caused by inadequate space or stagnant debris. In case of worn original bearings or erroneous oil clearances, correct choice of new bearings is very important, particularly when the crankshaft has been regrounded, and then undersized bearings should be fitted. In case of standard size bearings use them as they are and in case of need, get a professional machine shop of engines to vary them. Finally, the most important aspect to be used in choosing the correct bearing sizes is the oil clearance, and a dealer or service department should be used to aid in making sure about uncertainties.