Financing Now Available for Online Purchases.* Learn More
505 results for 21B-34M8766
505 Items
Have a Model Number?
Filter By
Category
-
Service & Parts
-
Attachments
Most Popular Parts
Part Type
-
Air Filters (6)
-
Attachments & Accessories (3)
-
Axles, Rods and Shafts (5)
-
Bars & Chains (1)
-
Bearings and Bushings (7)
-
Belts (12)
-
Blades (29)
-
Brackets and Stampings (37)
-
Cables (8)
-
Carburetors (4)
-
Castings and Housings (5)
-
Clutches (1)
-
Decals & Labels (18)
-
Electrical (6)
-
Electric Starters (1)
-
Engine Parts (83)
-
Gaskets and Seals (21)
-
Gears and Chains (5)
-
Handles and Tubes (25)
-
Hardware & Fasteners (77)
-
Hoses (5)
-
Hubs and Adapters (1)
-
Ignition Keys (1)
-
Mufflers (7)
-
Nuts (22)
-
Oil, Lubricants and Fuel Additives (2)
-
Pins (9)
-
Pulleys (7)
-
Recoil Starters (2)
-
Screws and Bolts (68)
-
Spark Plugs (3)
-
Spindles (1)
-
Tires, Wheels and Rims (6)
-
Transmissions & Parts (1)
-
Washers (22)
Apply
Item#:
951-12418
price.from
$86.94
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
951-10292A
price.from
$5.99
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
951-05021
price.from
$110.12
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
951-12785
price.from
$120.48
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
954-0434
price.from
$63.18
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
712-0417A
price.from
$7.15
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
951-10794
price.from
$12.89
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
951-11589A
price.from
$6.64
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
712-04063
price.from
$3.92
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
714-04040
price.from
$1.41
price.msrp
Free Shipping on Parts Orders over $45.
In Stock
Item#:
742-04223
price.from
$24.53
price.msrp
Free Shipping on Parts Orders over $45.
Select Styles for Availability
How to find your model number
The product's model number is essential to finding correct Troy-Bilt® genuine factory replacement part numbers for your outdoor power equipment.

The model number is
- 11 characters long
- Printed on the left side of the Product Identification Label
Characters can include numbers, letters or hyphens.