Parts for 12AG839E711 — MTD

We found 28 parts confirmed to fit the MTD 12AG839E711.

Compatibility table

All 28 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
7870121321 Deck3 models$214.91 · Amazon
95604156BEngine Pulley5 models$13.86 · Amazon
95604157BEngine Pulley5 models$25.07 · Amazon
94604195Lawn Mower Drive Control Cable5 models$59.89 · Amazon
78701262Bracket6 models$11.77 · Amazon
73105100Lawn Mower Lever6 models$5.05 · Amazon
75305089Lawn Tractor Ground Drive or Blade Drive Belt6 models$76.24 · Amazon
75305351Transmission6 models$197.23 · Amazon
71004223Troy-Bilt Screw - M6 X6 models$10.74 · Amazon
96404045Lawn Mower Grass Bag7 models$146.96 · Amazon
64704051B0637Lawn Mower Grass Bag Frame7 models$88.02 · Amazon
7101802Special Screw7 models$6.63 · Amazon
75308092Lawn Mower Wheel9 models$57.72 · Amazon
71004374Lawn Mower Screw10 models$29.79 · Amazon
75004317Spacer Clip10 models$2.71 · Amazon
74804073CYard-Man Bearing10 models$40.53 · Amazon
94604213MTD Lawn Mower Zone Control Cable11 models$46.44 · Amazon
74104116Troy-Bilt Bearing:Ball11 models$18.17 · Amazon
7123027Hex Flange102 models$2.16 · Amazon
7480376CLawn Mower Blade Adapter143 models$29.13 · Amazon
7123004AAce Lawn & Garden Equipment Flange Lock Nut187 models$5.81 · Amazon
7420741Blade-21" Mu216 models$17.37 · Amazon
7360451Washer226 models$7.86 · Amazon
7470710Hinge Pin355 models$2.54 · Amazon
7200284Knob Wing Nut391 models$11.23 · Amazon
7100703MTD Lawn & Garden Equipment Carriage Bolt397 models$7.62 · Amazon
7101205Yard Machines Lawn & Garden Equipment Guide Bolt550 models$5.92 · Amazon
7100599MTD Lawn Tractor Screw1,116 models$5.81 · Amazon

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.

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 12AG839E711: 78701213 (21 Deck), 94604195 (Lawn Mower Drive Control Cable), 73105100 (Lawn Mower Lever), 75305351 (Transmission), 96404045 (Lawn Mower Grass Bag), 64704051B0637 (Lawn Mower Grass Bag Frame), 75308092 (Lawn Mower Wheel), 74804073C (Yard-Man Bearing), 94604213 (MTD Lawn Mower Zone Control Cable), 74104116 (Troy-Bilt Bearing:Ball), 7123027 (Hex Flange), 7480376C (Lawn Mower Blade Adapter), 7123004A (Ace Lawn & Garden Equipment Flange Lock Nut), 7420741 (Blade-21" Mu), 7360451 (Washer), 7100703 (MTD Lawn & Garden Equipment Carriage Bolt), 7101205 (Yard Machines Lawn & Garden Equipment Guide 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 12AG839E711: 95604156B (Engine Pulley), 95604157B (Engine Pulley), 75305089 (Lawn Tractor Ground Drive or Blade Drive Belt).

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 12AG839E711: 78701262 (Bracket), 71004223 (Troy-Bilt Screw - M6 X), 7101802 (Special Screw), 71004374 (Lawn Mower Screw), 75004317 (Spacer Clip), 7470710 (Hinge Pin), 7200284 (Knob Wing Nut), 7100599 (MTD Lawn Tractor Screw).

Before you buy

Match 12AG839E711 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.

Other models with this exact parts list

Each model below is confirmed to share the identical compatible-parts list with this one.

Still not sure?

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