Exhaust Valve for John Deere 4020, 3020, 4230, 6602, 600+ | R43788 Ariens 554300 579 — 2013-2022 — L6

579 — 2013-2022 — L6 14

359 Series — 1979-1990 — Cummins NTC Engines

OK5486-50/25

T800 Series (1993-1995 — Cummins L-10)

5L 10455cc 638cid CaterpiLLar 3306

Exhaust Valve for John Deere 4020, 3020, 4230, 6602, 600+ | R43788 Ariens 554300 579 — 2013-2022 — L6Exhaust Valve for John Deere (. 015"oversize stem diameter, 45 degree): heavy duty replacement for OEM R43788. Built for reliable field replacement performance. Fits These Models John Deere Combines 6602, 105, 7700, 6600, 6620 John Deere Tractors 4020, 3020, 4230, 600, 4000, 4040, 4320, 4520, 7020, 4620, 4050, 4240 John Deere Power Units 6404, 6466DF John Deere Compactors 646 John Deere Wheel Loaders 644A, 644 John Deere Excavators 690A, 690 John