Parts for 790R — Ryobi

We found 29 parts confirmed to fit the Ryobi 790R.

Compatibility table

Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.

Common failure areas on this model

The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.

Storage, trim and cosmetic hardware

Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.

Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.

Parts in this group on 790R: 791147498 (Bolens Line Trimmer Cutting Head), 75304401 (Line Trimmer Short Block), 791612026 (Line Trimmer Retainer Ring), 791180804 (MTD Line Trimmer Drive Shaft Housing, Lower), 74604085A (MTD Line Trimmer Throttle Cable), 791610636B (Troybilt Line Trimmer Spool Spring), 71204105 (Line Trimmer Blade Nut), 791180814B (Troybilt Line Trimmer Bump Feed Knob), 791181445 (Line Trimmer Clutch Rotor), 791180014B (Troybilt Line Trimmer Blade Retaining Kit), 791613300 (Troybilt Line Trimmer Flexible Drive Shaft), 791182193 (Troybilt Line Trimmer Gearbox), 791181811 (Troybilt Lawn & Garden Equipment Screw), 791181599 (Yard-Man Tiller Clutch Spring), 75304338 (Line Trimmer Carburetor), 791153592 (Yard Machines Line Trimmer Clutch Drum), 791181345 (Tiller Clutch Cover Screw), 791182057 (Screw).

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Parts in this group on 790R: RB29 (Carburetor Repair Kit), 75304332 (Crankcase), 791182068 (Cable), 7531205 (Module), 791181168 (Fuel Line), 791180090 (Yard Machines Lawn & Garden Equipment Carburetor Rebuild Kit), 791182194 (Gear Asm-pinion), 7531209 (Yard-Man Lawn & Garden Equipment Engine Piston Ring Set), 791612483 (Shaft-spool), 791182723 (Yard-Man Lawn & Garden Equipment Bolt).

Drive system (belts, pulleys, motors)

Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.

Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.

Parts in this group on 790R: 75304823 (Line Trimmer Recoil Starter Pulley Kit).

Before you buy

Match 790R exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.

How to confirm this is your model

Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.

Still not sure?

Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.