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Identify the engine. Keep the conditions.

3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) — 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.

Find an engine or exact Clevite part

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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

9 records

Full source application context

3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Catalogue section: GMC · Engine block 70. 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.

Connecting-rod big end

CB-745A

Connecting Rod AL-5 Bearing Pair

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Standard shaft diameter
1.9990–2.0000 in
Vertical oil clearance
0.0010–0.0035 in
Maximum wall at crown
0.0621 in
Bearing OD or housing bore
2.1247–2.3252 in
Maximum axial length
0.8420 in

MAHLE/Clevite EB-20-26 · printed page 590 · reference 8798b3f6. No installation torque or machining approval is implied.

Connecting-rod big end

CB-745A(6)

Connecting Rod AL-5 Bearing Set

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Standard shaft diameter
1.9990–2.0000 in
Vertical oil clearance
0.0010–0.0035 in
Maximum wall at crown
0.0621 in
Bearing OD or housing bore
2.1247–2.3252 in
Maximum axial length
0.8420 in

MAHLE/Clevite EB-20-26 · printed page 590 · reference 106442f4. No installation torque or machining approval is implied.

Connecting-rod big end

CB-745P

Connecting Rod TM-77 Bearing Pair

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Standard shaft diameter
1.9990–2.0000 in
Vertical oil clearance
0.0010–0.0035 in
Maximum wall at crown
0.0621 in
Bearing OD or housing bore
2.1247–2.3252 in
Maximum axial length
0.8420 in

MAHLE/Clevite EB-20-26 · printed page 590 · reference eaa4b816. No installation torque or machining approval is implied.

Crankshaft main

MS-617A

Crankshaft Main AL-5 Bearing Set

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Source-listed set members: MB2588A(F) MB3135A . 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 590 · reference 4494f08d. No installation torque or machining approval is implied.

Crankshaft main

MB2588A(F)

Crankshaft main set member

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Member of set: MS-617A. The member identifier is not automatically a complete set.

Standard shaft diameter
2.2983–2.2993 in
Vertical oil clearance
0.0006–0.0036 in
Maximum wall at crown
0.0955 in
Bearing OD or housing bore
2.4906–2.4916 in
Maximum axial length
1.0090 in

MAHLE/Clevite EB-20-26 · printed page 590 · reference 1fe3ce7f. No installation torque or machining approval is implied.

Crankshaft main

MB3135A

Crankshaft main set member

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Member of set: MS-617A. 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 590 · reference a72ccb65. No installation torque or machining approval is implied.

Crankshaft main

MS-617P

Crankshaft Main TM-77 Bearing Set

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Source-listed set members: MB2588P(F) MB3135P . 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 590 · reference d93a10b8. No installation torque or machining approval is implied.

Crankshaft main

MB2588P(F)

Crankshaft main set member

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Member of set: MS-617P. 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 590 · reference 9be2d1fe. No installation torque or machining approval is implied.

Crankshaft main

MB3135P

Crankshaft main set member

Application: GMC · block 70
3.8L 230 CID L6 (1964-1969) 3.8L 230 CID OHV 12V L6 General Motors HF, OK (1963- 1970) 4.1L 250 CID OHV 12V L6 General Motors VIN Code: 'C' (1971-1972), 'D' (1972-1974), 'L' (1971-1972), 'N' (1970-1971), 'P' (1968-1969), 'Q' (1973-1974), 'S' (1970-1971) 4.1L 250 CID OHV 12V L6 General Motors CAA, CAB, CG, FT, FV, LA, LE, MA, ME, PS, RF, SA, SB, VB, VE, VF, ZB, ZG (1965-1975) 4.1L 250 CID SOHC 12V L6 General Motors XF, ZC, ZD, ZE, ZF, ZH, ZK, ZL, ZN, ZO (1968-1969)

Member of set: MS-617P. 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 590 · reference 942969e5. 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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