Models > 21B-34M8B66 > Parts

21B-34M8B66 ((2023)) Troy-Bilt Tiller - Parts

Air Filter

PartSelect #: PS9461690

Manufacturer #: 951-10794

This authentic OEM air filter assembly includes a pleated paper air filter and a foam pre-filter. It is located in the air cleaner housing of your lawn equipment. Its purpose is to filter out dust and...

Outer Tine Assembly - R.H.

PartSelect #: PS9292840

Manufacturer #: 642-0004-0637

$61.48

Seal 1.0 Shaft

PartSelect #: PS10027981

Manufacturer #: 921-0378

$19.98

Inner Tine Assembly - L.H.

PartSelect #: PS9055361

Manufacturer #: 642-0003-0637

$61.48

Top Locknut, 5/16-18

PartSelect #: PS9453902

Manufacturer #: 712-3004A

This OEM Top Locknut measures 5/16x18, is made of metal, and it isused to secure parts in place and prevent backing out from vibration. Replacing this part varies in difficulty depending on the part...

Wheel Assembly. Comp. Slot Hub, w/o Bearings

PartSelect #: PS9108359

Manufacturer #: 734-1781

$34.98

Inner Tine Assembly - R.H.

PartSelect #: PS9055360

Manufacturer #: 642-0002-0637

$61.49

Outer Tine Ass'y.- L.H.

PartSelect #: PS9055363

Manufacturer #: 642-0005-0637

This OEM outer tine assembly is situated on the left side of your tiller, extending from the chain case assembly. It works alongside the inner tine assembly to dig into and break up the soil. Signs of...

$61.48