Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Clevite P-Series Main Bearings MS-1643P-20 MAIN BEARING SET

SKU: CLEMS-1643P-20

Main Bearings

Clevite P-Series Main Bearings MS-1643P-20 MAIN BEARING SET

SKU: CLEMS-1643P-20

Main Bearings
A$256.71
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Clevite P-Series main bearings are the oldest members of the Clevite 77 bearing family and are intended for high-revving engines. To compensate for the high-load factors and distortion in these engines, these bearings have higher eccentricity and a high crush factor. P-Series bearings are constructed of tri-metal cast copper lead. They have a steel back for support, a cast copper lead lining to withstand the loads of engine operation, and an electroplated babbit overlay on the running surface to provide searing surface qualities. In addition, the oil grooves on most applications extend all the way around both halves for better oiling.

Clevite P-Series main bearings are an ideal design, producing a degree of conformability, embedability, slipperiness, and fatigue resistance, not found in original equipment and competitive bimetal bearings.

Part Type

Main Bearings

Data: v4.2 - Upd: 2026-10-14 10:28:22

Specifications

Product Attributes - Brand
Clevite Engine Parts
Product Attributes - Manufacturer's Part Number
MS-1643P-20
Product Attributes - Part Type
Main Bearings
Product Attributes - Product Line
Clevite P-Series Main Bearings
Product Attributes - UPC
027067556936
Product Attributes - Bearing Usage
Direct replacement
Product Attributes - Engine Crankshaft Undersize (in.)
0.020 in.
Product Attributes - Engine Crankshaft Undersize (mm)
0.50mm
Product Attributes - Grooved Bearing
Yes
Product Attributes - Groove Location
Upper
Product Attributes - Groove Style
1/2
Product Attributes - Thrust Bearing Oversize
Stock
Product Attributes - Bearing Material
TM-77
Product Attributes - Quantity
Sold as a set of 5.

Reference Information

Brand Name/s Clevite
StreetFX SKU cleMS-1643P-20
SFX Item ID 4886685
Supplier Item Code 4886685
Manufacturer SKU MS-1643P-20
Manufacturer UPC 27067556936

Compatibility

Application Data
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1986
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesOE Replacement P Series (Tri-Metal) .020in Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1992
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesColumn1 OE Replacement Column2 P Series (Tri-Metal) Column3 .020in Undersize Column13 Domestic Column20 91-85 GMC 2.5L
    Engine VIN CodeR
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1992
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade: OE Replacement Series: P Series (Tri-Metal) Size: .020" Undersize
    Engine VIN CodeR
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1992
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeR
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1992
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeR
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeE
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade: OE Replacement Series: P Series (Tri-Metal) Size: .020" Undersize
    Engine VIN CodeE
  • MakePONTIAC
    ModelGRAND AM
    SubmodelVALUE LEADER
    Beginning Year1991
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeE
  • MakePONTIAC
    ModelGRAND AM
    SubmodelGT
    Beginning Year1988
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeE
  • MakePONTIAC
    ModelGRAND AM
    SubmodelGT
    Beginning Year1988
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020in Undersize
    Engine VIN CodeA
  • MakePONTIAC
    ModelGRAND AM
    SubmodelGT
    Beginning Year1988
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020in Undersize
    Engine VIN CodeA
  • MakePONTIAC
    ModelGRAND AM
    SubmodelGT
    Beginning Year1988
    Ending Year1988
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesOE Replacement P Series (Tri-Metal) .020in Undersize
    Engine VIN CodeA
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1987
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesColumn1 OE Replacement Column2 P Series (Tri-Metal) Column3 .020in Undersize Column13 Domestic Column20 91-85 GMC 2.5L
    Engine VIN CodeA
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1987
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade: OE Replacement Series: P Series (Tri-Metal) Size: .020" Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1987
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1985
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1985
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020in Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1985
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020in Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelLE
    Beginning Year1989
    Ending Year1985
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesOE Replacement P Series (Tri-Metal) .020in Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1989
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesColumn1 OE Replacement Column2 P Series (Tri-Metal) Column3 .020in Undersize Column13 Domestic Column20 91-85 GMC 2.5L
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1989
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade: OE Replacement Series: P Series (Tri-Metal) Size: .020" Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1989
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1989
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020" Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1989
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020in Undersize
    Engine VIN CodeU
  • MakePONTIAC
    ModelGRAND AM
    SubmodelSE
    Beginning Year1987
    Ending Year1991
    Engine TypeL4
    Liter2.5
    CID151
    CC2474
    Engine FamilyGM 4-cylinder
    Engine Size2.5L/151
    Application NotesMaterial Grade OE Replacement Series P Series (Tri-Metal) Size .020in Undersize
    Engine VIN CodeU

Loading compatibility information...

Keep shopping

More from Clevite