TISCO Valve Guide for John Deere, R28654

Guide, intake & exhaust valve. 8 used in 254 CID 4 cylinder diesel engine (block #'s R26160, R40910, R46350, R46430 only), 270 CID 4 cylinder diesel engine (block #'s R32020, R40850 only, to s/n 280000); 12 used in 381 CID 6 cylinder diesel engine; 12 used in 404 CID 6 cylinder diesel engine (to s/n 214999, block #'s R33180, R34340, R40890, R40900, R40930 only).
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