This hose goes from cylinder #1 to the coolant tower on models with a coolant tower. 1986 - 1987 9thru chassis # 24-H-022956), as a rule, take 251121130A and 87-91 take 251121130B. Please look at pictures closely and try to read the part number from your old hose if possible. Available in silicone here.
Ref ID: 251121130A
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