Parts for Mtd 310183 / 1990: 21" Parts

Truss head machine screw for lawn mowers, snowblowers, and tillers. Replaces lost, stripped, or damaged screws in engine, deck, or housing assembly.

Chute crank knob for snow throwers. Installs on the chute rotation control. Replace if cracked, broken, or missing to restore manual chute adjustment.

Replacement plug for gas snow blowers and tillers. Installs to seal openings or cover access points. Order if your original plug is missing, cracked, or damaged.

Secures hoses on outdoor power equipment to prevent leaks and maintain proper fluid flow. Replace if loose, corroded, or damaged. Verify fit with your model.

Bell washer adds spacing on shafts in lawn tractors, tillers, mowers, and chipper shredders. Replace if washer is missing, worn, or damaged during maintenance.

Protects drive belts from debris and weather damage. Replace if cracked, broken, or missing to prevent belt wear and snow/dirt intrusion. Verify fit with your model.

Hex screw fastener for lawn mowers and outdoor power equipment. Replace if lost, stripped, or damaged during maintenance. Sold individually.

A carriage bolt is a type of fastener. It features a smooth rounded head and a square domed top. It has threading, which leads to up to the square shoulder. The purpose of its square is to prevent the bolt from spinning. Once the carriage bolt is inserted through the hole, using a nut and washer can provide additional security. Carriage bolts can corrode and loosen over time. Since it doesn't have a slotted head, a socket wrench is needed when replacing. This bolt carriage replacement is compatible with wood chippers, tillers, string trimmers, lawnmowers, and edgers. It is a genuine MTD product that measures 5/16x.075. It has a smooth rounded head and square shoulder underneath it. This carriage bolt is sold individually.

Shield spacer for lawn tractors and riding mowers. Provides proper spacing and alignment for protective shields. Replace if missing, damaged, or worn.

Replacement truss head machine screw for lawn mowers and outdoor power equipment. Secures panels, guards, and components. Order new hardware if lost or stripped.

This carriage bolt is a self-locking bolt designed to be used in an unthreaded square or round hole. These bolts are used in outdoor lawn and garden equipment due to their ability to handle heavy weight loads.Carriage bolts are often used to join lawnmower handles to the base of the mower. Over time, the vibration of the lawnmower may cause the bolt to become loose. During routine maintenance, if the bolt is loose, use a wrench to tighten the nut holding the bolt in place. If the bolt is missing, this carriage bolt replacement can be installed. Push the bolt through the hole; if the fit is snug, it may need to be lightly tapped. Once the bolt is through the other side, thread a nut on the bolt. Tighten the nut with a wrench.This is a genuine OEM part sourced directly from the manufacturer. It is sold as an individual unit and does not come with the nut. This carriage bolt is designed for lawnmowers, snowblowers, and other outdoor lawn and garden equipment manufactured by Bolens, Craftsman, Cub Cadet, Huskey, Troy-Bilt, Turf Pro, MTD, Ryobi, and Mastercut.

Flat washer for lawn mowers and tractors. Replace if missing, corroded, or damaged during maintenance. Ensures secure fastening of components.

Replace a worn shave plate if snow isn't being gathered properly or the auger housing scrapes pavement. This scraper bar protects your snowblower base.

Hex washer screw for lawn mowers, tractors, and snow blowers. Replaces stripped, missing, or damaged screws on deck panels and housing assemblies.

Hex screw for snowblowers and lawn mowers. Secures components throughout the machine. Replace if stripped, missing, or rusted for proper assembly.

Carriage bolt fastener for lawn and garden equipment. Replaces worn, stripped, or missing bolts that secure deck components and attachments.

Replacement washer for outdoor power equipment assemblies. Needed when original is damaged, missing, or worn. Essential for secure bolt connections.