MDEOOSKY Fuel Cap Replacement for Kubota Mini Excavators & Skid Steer Loaders RD411-51122 — Locking Diesel Tank Cover with 2 Keys

MDEOOSKY replacement fuel cap RD411-51122 is a direct-fit diesel tank cover for select Kubota mini excavators and skid steer loaders, supplied with two cut keys for secure access.

This replacement fuel cap is made to match the OEM fit and function for a range of Kubota models including SVL75-2, SVL90-2, KX41-3, KX91-3S, U35-4, U45S and others. It restores a secure seal on the diesel tank, helps prevent contamination, and comes with two keys so you can lock and unlock the tank without delay. The part number RD411-51122 is stamped to cross-reference compatibility; always confirm your machine’s model and part number before purchase.

Which Kubota models will this fuel cap fit?

This cap is designed as a replacement for many Kubota mini excavators and skid steer loaders across several series. Compatibility is broad but model-specific—check the part number and machine year to ensure a match.

• Compatible models: SVL75, SVL75-2, SVL75C, SVL90, SVL90-2, SVL90C series
• Also fits KX-series mini excavators such as KX41-3, KX91-3S, KX91-3S2, KX040-4
• Includes fit for U-series models U35-4, U35-S2, U45S, U45ST, U55
• Confirm cross-reference: part number RD411-51122 matches OEM listings

How easy is it to install the MDEOOSKY diesel tank cover?

Installation is straightforward because the cap is engineered for direct fit replacement of the original part. No special tools or modifications are needed in most cases; you remove the old cap and lock and insert the new one with the supplied keys.

• Direct-fit design aligns with original tank opening
• Supplied with two cut keys for immediate use
• Simple removal and replacement—no drilling or adapters
• Includes visible part number for quick verification

What materials and features ensure reliable performance?

The replacement cap is built to withstand outdoor jobsite conditions and repeated use. Its locking mechanism provides controlled access to the fuel tank while the sealing surface reduces the risk of dirt and moisture entering the diesel supply.

• Durable construction suited for construction and landscaping equipment
• Locking keys included to protect against unwanted fuel access
• Sealing profile designed to minimize contaminants and moisture
• Part number marking helps match OEM specifications

What should I check before buying to avoid returns?

Double-checking compatibility and inspecting your current cap or parts diagram will save time. Make sure the part number and the model/year of your Kubota match the listing to ensure a correct fit.

• Verify your machine’s model, series, and production year
• Compare the existing cap’s part number to RD411-51122
• Measure the fuel filler opening if uncertain
• Contact your dealer with photos when in doubt

Who is this for: This MDEOOSKY fuel cap is ideal for equipment owners, fleet managers, and maintenance technicians who need a dependable, OEM-matching replacement for Kubota mini excavators and skid steer loaders. It’s particularly useful when the original cap is lost, damaged, or the lock no longer functions—offering an affordable, ready-to-install solution with two keys included for immediate use.