Out of stock
SKU: OMI17740.03
UPC: 804314035464
MPN: 17740.03
This OMIX-ADA fuel filler hose (part 17740.03) is the rubber connection between the tank and filler neck on first-generation Jeep CJ models running the 15 gallon fuel tank. It fits 78-83 CJ5, 78-86 CJ7, and 81-86 CJ8 platforms and replaces OE part 5357970. Owners restoring a CJ or chasing a fuel smell at the tank typically find the original hose has gone hard, cracked, or split at the clamp points after decades of ethanol exposure. This piece restores a sealed path from the filler cap to the tank and keeps factory routing intact.
The hose is molded from neoprene in black, matching the durometer and shape of the factory unit so it seats against the filler neck and tank inlet without forcing or trimming. Neoprene resists fuel swell and ozone cracking better than generic rubber hose cut to length, which is why a molded replacement holds up where a straight section will not. The fit is specific to the 15 gallon tank found in these CJ years, so it locates the clamp lands and bends in the correct positions. OMIX-ADA backs it with a limited five year warranty per the manufacturer. You can reuse serviceable clamps or pick up fresh hose clamps while the area is open.
Plan this job alongside any fuel system refresh on a CJ. With the filler hose off, it is the right time to inspect the vent line and tank straps and to look over the rest of your fittings, hoses, and valves for the same age-related cracking. If you are sourcing fuel line elsewhere on the chassis, our filler hose and fuel fitting selections cover most of what a CJ restoration needs. Confirm your tank is the 15 gallon unit before ordering, since the 20 gallon tank uses a different part.
Part 17740.03 fits 1978-1983 CJ5, 1978-1986 CJ7, and 1981-1986 CJ8 models equipped with the 15 gallon fuel tank. Vehicles running the 20 gallon tank use a different filler hose, so confirm your tank capacity before ordering.
It is molded from neoprene in black. Neoprene resists fuel swell and ozone-related cracking, which makes it better suited to the filler neck than a generic length of rubber hose, especially with today's ethanol-blended fuels.
Yes. The OMIX-ADA 17740.03 replaces OE part number 5357970 and is built to factory specifications for a direct fit, so it locates the clamp lands and bends in the correct positions without trimming.
The listing covers the molded filler hose only. If your original clamps are corroded or no longer hold tension, pick up fresh hose clamps while the filler area is accessible.
OMIX-ADA backs this filler hose with a limited five year manufacturer's warranty per published specifications.
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