Ferris Hydro Oil Reservoir 350 ml Replacement Tank - Part #5100473SM, OEM Fit for Deck Mowers

Ferris Hydro Oil Reservoir (part #5100473SM) is the OEM-style 350 ml replacement tank designed to fit specified Ferris deck lawn mowers and restore proper hydraulic fluid containment.

This replacement hydro oil reservoir is built to the same form and fit standards as the original Ferris component so you can swap it into compatible deck mower models without modifying the chassis. It ships as a single unit (package qty: 1), weighs about 0.45 lbs, and is intended strictly as a physical replacement for the listed Ferris part numbers. Before purchase, confirm the part number from your mower's owner’s manual or parts diagram to ensure correct location and fitment.

Which Ferris models and part numbers does this reservoir replace?

The reservoir is manufactured to replace Ferris part #5100473SM and is listed as a direct substitute for several related Ferris part numbers and model families. It's compatible with many deck mower assemblies across multiple serial ranges, so cross-reference is essential. If your parts diagram or manual shows 5100473 or 5101073SM (or one of the numbers listed), this reservoir is the intended match.

• Direct replacement: Ferris part #5100473SM and replace part #5100473
• Cross-compatible with numerous Ferris part numbers across model years
• Verify fit by checking the part number on your mower or parts diagram

How easy is it to install the hydro oil reservoir on a deck mower?

Installation is straightforward for anyone familiar with basic mower maintenance: remove the old reservoir, swap any seals or fittings as needed, and secure the new tank in the same mounting points. No special tools or fabrication should be required when the part number matches. If hoses or fittings show wear, replace them at the same time to avoid leaks.

• Remove old reservoir from existing mounting points
• Transfer or replace fittings and seals as needed
• Mount new reservoir in same orientation and tighten securely

What are the physical specs and packaging details?

The unit is supplied as a single reservoir with an approximate weight of 0.45 lbs and a nominal capacity around 350 ml. It arrives packaged to protect the plastic body and connection ports during transit. Because dimensions and port types can vary by model, use the part number and physical comparison to confirm the match.

• Package quantity: 1 hydro oil reservoir
• Weight: ~0.45 lbs; capacity ~350 ml
• OEM-style fit to match original Ferris mounting and ports

Will this reservoir prevent hydraulic leaks and service correctly?

When installed correctly and used with undamaged hoses, fittings, and seals, this replacement reservoir restores proper fluid containment in the deck hydraulic circuit. It replaces a worn or cracked tank that can cause leaks or fluid loss, but it is not a substitute for worn seals or damaged hose connections. Always inspect surrounding components during replacement.

• Restores sealed fluid storage when combined with good hoses and seals
• Replace worn fittings or O-rings during installation for best results
• Inspect hoses, clamps, and connections to prevent future leaks

Who is this for: This Ferris Hydro Oil Reservoir is intended for owners, service techs, and landscape professionals who need a direct, drop-in replacement for Ferris deck mower hydraulic tanks. Choose this part if your mower's parts list or service manual references 5100473SM (or one of the compatible numbers) and you want an OEM-style tank to restore proper hydraulic fluid containment and system reliability.