Fuel line used from fuel connector to fuel pump on Mark 25.  
Tech note:  the original had a spring installed inside to help prevent collapsing.  We recommend installing the old spring in the new hose. PICTURE OF HOSE IS NOT CORRECT , THREADED ON ONE END AND STAIGHT FITTING ON THE OTHER

Lower pump outlet to upper pump inlet fuel line (8") for Mark 75A, 78 and 78A

Carburetor fuel line assembly (6") for 1963 - 69 Merc 1000, 1966 - 1967 Merc 1100, 1963 - 1971 Merc 650 (4 cyl), 1963 -1964 Merc (6 cyl), 1965 Merc 900 (6 cly) and 1966 - 1967 Merc 950 (6 cyl)

Upper to lower filter fuel line (5 1/2") for Mark 30,30E, 30H, 55H, 35A, 55, 55E, 55AE, 55AM, 58AE, Merc 300 and Merc 350

Lower pump outlet to upper pump inlet fuel line for Merc 800 (6 cyl)

Fuel line from carb to carb on Mark 75 (Ser.#1106708 thru 1110599).

Filter cover to upper carburetor fuel line (5 7/8") for 1972 Merc 650

Long fuel line used on many 4 & 6 cylinder models 1955 thru 1962.

Fuel line used from fuel pump to carb on Mark 25 (not 25E), and from fuel pump to fuel pump on Mark 30 and Mark 75..

Adapter to fuel pump assembly for Merc 39 and Merc 40

Adapter part # 32454

Fuel pump to carburetor fuel line (7 1/8") 1963 - 1969 Merc 350

Fuel line from connector to fuel pump  used on most automatic transmission models:   Mark 10, 10A, 15A, 28, 28A, Merc 100, Merc 150, Merc 200 (60-61), & Merc 250.

Pump to carburetor fuel line for 1963 - 1965 Merc 110 and Merc 60


Reproduction of the original Mercury fuel line which is NLA.

Pump to carburetor fuel line (9 7/8") for Merc 800 (4cyl) ,850 (6 cyl), 900 (6cyl), 950 (6cyl), 1000, 1100, 1250


Reproduction of the original Mercury fuel line which is NLA.

Pump to Carburetor fuel line assembly for Merc 1150, 1400, 1500, 800 (4 cyl), 80 (4cyl) and 850 (4 cyl)

Fuel pump to carburetor fuel line (6 1/2) for 1968 - 1972 Merc 200

Fuel pump to adapter fuel line (5 1/2") for 1963 - 1965 Merc 60

Fuel pump to adaptor fuel line (8") for 1963 - 1965 Merc 60

Inlet-adapter to fuel pump fuel line for 1968 - 1972 Merc 200

Pump to pump fuel line assembly (12 3/8") for Merc 1000, 1100, 1250, 650 (4 cyl), 850 (6 cyl), 900 (6 cyl) and 950 (6 cyl)

Reproduction of the original Mercury fuel line which is NLA.

Fuel line, fuel adaptor to pump, used on Mark 6 models.

Fuel pump to carburetor fuel line (5 3/4") for 1972 - 1973 Merc 110 and Merc 75

Fuel pump to adapter fuel line for 1970 - 1977 Merc 400 and 402

Fuel pump to adaptor fuel line for 1966 - 1969 Merc 350

Pump to carburetor fuel line assembly (13 1/2") for Merc 1150, 1350, 1400, 1500, 650 (4 cyl)

Adapter to fuel pump fuel line for 1972 - 1973 Merc 110 and 75

Adaptor to lower fuel pump fuel line Merc 1000, 1100, 1250, 650 (4 cyl), 800 (4 cyl), 800 (6 cyl), 850 (6 cyl) 900 (6 cyl), 950 (6 cyl)

Fuel pump to adapter fuel line for 1966 - 1969 Merc 110 and 1969 - 1971 Merc 75 (ser# 2721150 and below)

Fuel line from connector to fuel pump used on many 4 & 6 cylinder models 1955 thru 1962