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Identify the engine. Keep the conditions.

4.9L 300 CID OHV 16V V8 General Motors KL, LL, LP, ML, NL (1964-1967) — bearing reference

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

4 records

Full source application context

4.9L 300 CID OHV 16V V8 General Motors KL, LL, LP, ML, NL (1964-1967)

Catalogue section: GMC · Engine block 112. Match the code, year/VIN limits and each part's additional notes.

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

MS-961P

Crankshaft Main TM-77 Bearing Set

Application: GMC · block 112
4.9L 300 CID OHV 16V V8 General Motors KL, LL, LP, ML, NL (1964-1967)

Source-listed set members: MB2433P MB2434P(F) MB2491P . Open each member's dimensions and position notes; these are identifiers, not inferred quantities.

Numerical dimensions not resolved for this entry. A complete consistent five-column row is not available here. Do not borrow values from a neighbouring part or package.

MAHLE/Clevite EB-20-26 · printed page 608 · reference 7ab55b90. No installation torque or machining approval is implied.

Crankshaft main

MB2433P

Crankshaft main set member

Application: GMC · block 112
4.9L 300 CID OHV 16V V8 General Motors KL, LL, LP, ML, NL (1964-1967)

Member of set: MS-961P. The member identifier is not automatically a complete set.

Standard shaft diameter
0.0935–0.0935 in
Vertical oil clearance
0.0005–0.0034 in
Maximum wall at crown
0.0935 in
Bearing OD or housing bore
2.6870–2.6880 in
Maximum axial length
0.8690 in

MAHLE/Clevite EB-20-26 · printed page 608 · reference ae65f8cd. No installation torque or machining approval is implied.

Crankshaft main

MB2434P(F)

Crankshaft main set member

Application: GMC · block 112
4.9L 300 CID OHV 16V V8 General Motors KL, LL, LP, ML, NL (1964-1967)

Member of set: MS-961P. The member identifier is not automatically a complete set.

Standard shaft diameter
0.0935–0.0935 in
Vertical oil clearance
0.0005–0.0034 in
Maximum wall at crown
0.0935 in
Bearing OD or housing bore
2.6870–2.6880 in
Maximum axial length
1.0580 in

MAHLE/Clevite EB-20-26 · printed page 608 · reference 517f6750. No installation torque or machining approval is implied.

Crankshaft main

MB2491P

Crankshaft main set member

Application: GMC · block 112
4.9L 300 CID OHV 16V V8 General Motors KL, LL, LP, ML, NL (1964-1967)

Member of set: MS-961P. The member identifier is not automatically a complete set.

Standard shaft diameter
0.0935–0.0935 in
Vertical oil clearance
0.0005–0.0034 in
Maximum wall at crown
0.0935 in
Bearing OD or housing bore
2.6870–2.6880 in
Maximum axial length
0.8690 in

MAHLE/Clevite EB-20-26 · printed page 608 · reference 15884a64. 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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