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Identify the engine. Keep the conditions.

3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) — 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

7 records

Full source application context

3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Catalogue section: GMC TRUCK · Engine block 37. 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-1454A

Crankshaft Main AL-5 Bearing Set

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Source-listed set members: MB2508A MB2509A(F) . 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 742 · reference ebad7d55. No installation torque or machining approval is implied.

Crankshaft main

MB2508A

Crankshaft main set member

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Member of set: MS-1454A. The member identifier is not automatically a complete set.

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 742 · reference 70437ca4. No installation torque or machining approval is implied.

Crankshaft main

MB2509A(F)

Crankshaft main set member

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Member of set: MS-1454A. The member identifier is not automatically a complete set.

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 742 · reference b1611fec. No installation torque or machining approval is implied.

Crankshaft main

MS-1454P

Crankshaft Main TM-77 Bearing Set

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Source-listed set members: MB2508P MB2509P(F) MB2981P(F) . 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 742 · reference d6f024a1. No installation torque or machining approval is implied.

Crankshaft main

MB2508P

Crankshaft main set member

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Member of set: MS-1454P. The member identifier is not automatically a complete set.

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 742 · reference b90442f5. No installation torque or machining approval is implied.

Crankshaft main

MB2509P(F)

Crankshaft main set member

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Member of set: MS-1454P. The member identifier is not automatically a complete set.

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 742 · reference 8ca24efb. No installation torque or machining approval is implied.

Crankshaft main

MB2981P(F)

Crankshaft main set member

Application: GMC TRUCK · block 37
3.8L 229 CID OHV 12V V6 General Motors VIN Code: '9' (1983-1984), 'K' (1980-1982) 4.3L 262 CID OHV 12V V6 General Motors LF6 VIN Code: 'X' (1996-1999) 4.3L 4294 CC OHV 12V V6 General Motors VIN Code: 'X' (2005)

Member of set: MS-1454P. The member identifier is not automatically a complete set.

Catalogue conditions / continuation notes

MB2981P1(F) 2.4478/2.4488

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 742 · reference bd29e420. 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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