Mountfield Fuel Line – Direct‑Fit Replacement for RS100, RSC100 & More
Upgrade your Mountfield lawn‑mower with a brand‑new, genuine fuel line that restores reliable fuel flow in seconds. Engineered to match the original part numbers (118550716/0, 1185507160, 18550716/0, 185507160), this 223 mm (≈ 8.8 in) pipe slides into place without modifications, eliminating leaks and keeping your mower running smoothly.
Key Benefits
– Exact fit – Designed for models equipped with RS100, RV100 or RSC100 engines.
– Durable construction – Resistant to wear, heat and vibration for long‑term performance.
– Easy installation – No special tools required; simply replace the old line and you’re ready to mow.
Compatible Mountfield Models
– HP42 R, HP45, HP46R, HP164, HP180R, HP414
– S421 HP/PD/R HP/R PD, S461 HP/R HP
– SP42R, SP46, SP164, SP180R, SP414
(Exact model numbers are listed in the specifications for quick reference.)
Why Choose This Fuel Line?
Because it’s a genuine Mountfield part, you get the same quality and tolerance as the factory component—no compromises on safety or efficiency. Perfect for DIY repairs or professional service shops looking for a reliable stock item.
Note: All dimensions are approximate; verify compatibility with your mower before purchase.
Keep your mower’s engine fed and firing on all cylinders with this trusted Mountfield fuel line replacement.





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