Oil Pumps, Filters and Coolers
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LabelPart NamePart No.
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1Filter head, pre 1992 1/4” NPT threadTAM2097
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1Filter head, pre 1992 1/4” NPT thread - Upgraded12A2032RACE
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1Filter head, 1991 on with 12A engine numbers 11/16” threadLPX10026RACE
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3Bolt 3/8” UNC 1” long, oil filter head to blockLYG10008
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3Stud 3/8” UNC 15/8” long, oil filter head to blockCHS2613
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4Gasket, filter head to block12A2035
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4Gasket, filter head to block, genuineGUG705553GM
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6Bolt, pipe to block pre 19922A715
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7Washer with internal sealLYF10017
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11Seal o ring for oil pipe 12A engines only from 1991 onLZB10017
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12Union for filter to block MPI only 1996 onCAM5331
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13Oil filter short, 55mm deep (for use when oil cooler fitted)GFE210
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15Oil pump, slot drive 998cc onlyGLP139
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15Oil pump, slot drive 1275cc onlyGLP138
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15Oil pump, slot drive 1275cc turboGLP110MS
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15Oil pump, Evolution slot drive, 998cc onlyC-AEG413
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15Oil pump, Evolution slot drive, 1275cc onlyC-AEG412
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16Gasket for oil pump12G730B
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16Gasket for oil filter genuineGUG705560GM
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17Bolt 1/4” UNF 11/2” long, oil pump to block except GLP110MSGFK5170
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17Bolt 1/4” UNF 15/8” long, oil pump to block for GLP110MABH604131
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19Plunger for oil release valve12H865
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19Ball bearing for oil release valve, alternative to [LINK]12H865[/LINK]BLS916
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20Spring for plunger valve, [LINK]AEA536[/LINK] alternative for 1275cc6K853
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20Spring for plunger valve, alternative for 1275ccAEA536
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20Oil pressure release valve & spring6K853KIT
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21Washer for oil release valve cap6K431
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22Cap nut for oil release valve spring12A1851
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23Oil cooler 13 row, original union fitmentC-ARH221
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23Oil cooler 10 row, original union fitment, except MPIMOC10ROW
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25Pipe kit for [LINK]MOC10ROW[/LINK] and [LINK]C-ARH221[/LINK] oil coolers, except MPIMOC1015
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25Pipe kit for [LINK]MOC10ROW[/LINK] and [LINK]C-ARH221[/LINK] oil coolers, except MPIMOC1014
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26Oil cooler kit 10 row, 18mm union fitment - Complete kit MPIMOC2000
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26MOC2001
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27Seating for valve fixed in block2A797

Note: From 1991 SPI - first injection models reverted to 11⁄16” UNF block and filter housing sizes.
Previously the engine block was 5/8” UNF and the filter head 1⁄4 NPT which carried on until engine numbers 12A used.