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King main bearing set (MB612AM) for the Ford Focus 2.5 ST and Volvo S60, S80, V70 and XC90. This bearing set is supplied in three crankshaft sizes: Standard, 0.25 mm undersize and 0.50 mm undersize. Select the size that matches your reground crankshaft. Confirm compatibility by matching the listed fitment details and any OEM reference numbers supplied. Verify VIN/engine.
| Specification | Detail |
|---|---|
| Material | Bimetal (aluminium base) |
| Available Crankshaft Sizes | Standard, 0.25 mm undersize, 0.50 mm undersize |
OEM cross-reference numbers are size-specific. Match your removed bearing number to the correct size below before ordering.
| Size | Volvo OEM References |
|---|---|
| Standard (MB612AM/0-0) | 9135841, 9135842, 9135843, 9135851, 9135852, 9135853, 9146171, 9146172, 9146173, 9146181, 9146182, 9146183 |
| 0.25 mm Undersize (MB612AM/0-25) | 9135844, 9135845, 9135846, 9135854, 9135855, 9135856, 9146174, 9146175, 9146176, 9146184, 9146185, 9146186 |
| 0.50 mm Undersize (MB612AM/0-50) | Not supplied. Confirm by VIN, engine code and original part comparison before ordering. |
Includes 13 supplied applications covering the Ford Focus II 2.5 ST and Ford Kuga I 2.5T AWD, and a broad range of Volvo applications including the 850, C30, C70, S40 II, S60, S70, S80 I & II, V50, V70, XC70 and XC90. Use the full table below to confirm model, year range and engine before ordering.
View Full Vehicle Fitment (13 applications)| Make | Model | Engine | Years |
|---|---|---|---|
| Ford | Focus II 2.5 ST | HYDA | 2006-2012 |
| Ford | Kuga I 2.5T AWD | HYDB | 2011-2014 |
| Volvo | 850 2.3 Turbo / 2.5 GLT | B5234FT / B5254S | 1994-1997 |
| Volvo | C30 1.6 / 2.5 T5 | B4164S3 / B5254T3 | 2007-2013 |
| Volvo | C70 2.3 T5 / 2.5 T5 | B5234T3 / B5254T3 | 2000-2013 |
| Volvo | S40 II 2.4 / 2.5 T5 | B5244S / B5254T3 | 2004-2007 |
| Volvo | S60 2.0T / 2.3 T5 / 2.4 / 2.4T / 2.5T | B5204T5 / B5234T / B5244S / B5244T / B5254T2 | 2000-2009 |
| Volvo | S70 2.4 | B5254S | 1998-2001 |
| Volvo | S80 I & II 2.4T / 2.5T | B5244T3 / B5254T2 / B5254T6 | 1998-2009 |
| Volvo | V50 2.4 / 2.5 T5 | B5244S / B5254T3 | 2003-2009 |
| Volvo | V70 2.4 / 2.5T | B5254S / B5244S / B5254T2 | 1998-2007 |
| Volvo | XC70 2.4T AWD / 2.5T AWD | B5244T3 / B5254T2 | 2000-2007 |
| Volvo | XC90 2.5T AWD | B5254T2 | 2003-2007 |
Important: Engine components such as bearings, pistons, rings, valves, gaskets, and related parts must be installed only by a qualified, VAT-registered workshop using proper measuring and torque equipment. Ensure crankshaft journals are measured and polished, oil clearances verified, and assembly lube applied. Failures due to oil starvation, contamination, incorrect sizing, or improper torque are not manufacturing defects and are not covered under warranty. Always replace engine oil, filters, and gaskets during installation.
Returns Policy Notice: Engine internal components (including bearings, pistons, rings, gaskets, valves, etc.) are non-returnable once the sealed packaging has been opened. Returns are only accepted if the incorrect part was supplied and the item remains sealed, unused, and in original condition. Opened, fitted, dirty, or marked parts cannot be resold and are not eligible for refund or exchange. Please verify engine code, bore/size, and bearing grade before opening any packaging.
Will this King main bearing set fit my Ford Focus 2.5 ST?
This part (MB612AM) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.
Which size do I order: Standard, 0.25 mm or 0.50 mm undersize?
Order Standard (MB612AM/0-0) for an unmachined crankshaft. Order 0.25 mm undersize (MB612AM/0-25) or 0.50 mm undersize (MB612AM/0-50) to match a crankshaft that has been reground to that undersize. Confirm the reground size of your crankshaft before ordering.
What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the OEM Reference Numbers section above and are size-specific. Match at least one to your original part before ordering.
What brand is this part?
This listing is for King main bearing set...
