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Clevite MB2563A(F) — engine applications & dimensions

Look up source-listed Clevite engine bearing parts, their engine/year conditions, set relationships and available shop dimensions. Preserve the engine version and catalogue notes before comparing a candidate.

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Selections apply immediately; the button also works without JavaScript. Use a full engine code or part number. Displacement alone can match several different engine families.

2026 manufacturer catalogue, not a universal fitment promise

Source: MAHLE/Clevite EB-20-26 engine-bearing catalogue. Entries retain the catalogue make section, application conditions and printed page. A make heading groups source applications; it is not proof that every engine listed was manufactured by that vehicle brand.

Numbers are Clevite references, not SKF/NTN cross-references. A set, a member shell and a separate thrust washer are different items. Unresolved or conflicting dimensions remain unavailable instead of being guessed.

Source-listed bearing records

8 records

Shop dimensions are inches, including rows for metric engines. These are standard-size source dimensions, not permission to use a listed oil clearance in a different engine.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC · block 180
6.6L 400 CID OHV 16V V8 General Motors VIN Code: 'M' (1975), 'N' (1976), 'R' (1972-1977), 'S' (1975-1976), 'U' (1973- 1976), 'Z' (1976-1979) 6.6L 400 CID OHV 16V V8 General Motors VIN Code: 'P' (1972-1974), 'R' (1972-1974), 'S' (1972-1974), 'T' (1972-1974)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 638 · reference b6ed75fb. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC · block 183
6.6L 400 CID OHV 16V V8 General Motors (1970-1971)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 639 · reference 8599b486. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC · block 189
6.6L 400 CID V8 VIN Code: 'R' (1972-1974)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 642 · reference 8c48052e. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC · block 190
6.6L 400 CID V8 (1967-1971)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Catalogue conditions / continuation notes

For Years: 1970-1971

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 643 · reference fc1c6f89. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC · block 192
6.6L 402 CID OHV 16V V8 General Motors VIN Code: 'U' (1972)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 645 · reference bcc909ef. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC · block 193
6.6L 402 CID OHV 16V V8 General Motors (1970-1971)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 645 · reference b609ebc4. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC TRUCK · block 96
6.6L 400 CID OHV 16V V8 General Motors VIN Code: 'M' (1975), 'R' (1972-1974), 'R' (1977-1980), 'U' (1973-1976), 'X' (1980)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 774 · reference b82d0922. No installation torque or machining approval is implied.

Crankshaft main

MB2563A(F)

Crankshaft main set member

Application: GMC TRUCK · block 97
6.6L 400 CID V8 VIN Code: 'R' (1974)

Member of set: MS-1038A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.6429–2.6438 in
Vertical oil clearance
0.0011–0.0039 in
Maximum wall at crown
0.1005 in
Bearing OD or housing bore
2.8406–2.8415 in
Maximum axial length
1.7180 in

MAHLE/Clevite EB-20-26 · printed page 774 · reference af99b318. No installation torque or machining approval is implied.

Use the reference correctly

Identify before comparing

Keep engine code, production year, VIN qualifiers, bearing position and the existing shell markings. A 350, 1.8 or 4.6 label is not a unique engine identification.

Measure the actual assembly

Standard journal dimensions do not describe a worn or reground shaft. Verify the installed housing, required repair size and oil clearance with the engine-specific procedure.

Keep unresolved values unresolved

Empty dimensional fields can reflect set-only entries, incomplete source rows or conflicts. They do not mean zero clearance, and another entry's values are not a substitute.

Read the oil-clearance, material and installation reference →Check replacement evidence →Separate wheel, hub and seal vehicle reference →

Reference basis and limitations

This independent lookup reorganises factual entries from the 2026 MAHLE/Clevite engine-bearing catalogue. The original source fingerprint, extraction record and application block are retained privately. The catalogue source is not a guarantee of current stock, current vehicle approval or complete coverage of every engine. BearingScope does not sell these parts or provide a rebuild service.

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