A high‑quality replacement Mountfield lawn mower fuel cap that fits the SP425‑SP555 series and a wide range of Honda engine models. Designed for durability and a tight seal, this cap keeps your mower’s fuel system clean and leak‑free, so you can focus on a perfectly trimmed lawn.
Key specs (approx.)
– Outer diameter: 60 mm
– Inner diameter: 47 mm
– Center hole: 7 mm
– Height: 26 mm
Compatible models
– Mountfield/Honda: HP425, HP45H, SP425, SP425R, SP465, SP465R, SP485HWV, SP505R, SP505RV, SP535HW, SP535HW4S, SP535HW V, SP53H, SP53 Elite, SP555, SP555R, SP555RV, SP555V, HW512PD‑4S
– Engine types: GC135, CG160, GC190, GCV135‑190, GS190, GSV190, GXH50‑100, GXV140‑390
This cap is not an OEM part but is engineered to meet or exceed original specifications. All dimensions are provided as a guide; slight variations may occur due to manufacturing tolerances.
Upgrade your mower with confidence—this fuel tank cap offers a perfect fit, reliable performance, and easy installation for any compatible Mountfield or Honda lawn mower. Keep your engine fueled safely and get back to mowing faster!





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