Skip to Content
  • Same-Day Shipping Same-Day Shipping
  • 365 Day Return Policy! 365 Day Return Policy!
  • Trusted Since 1999 Trusted Since 1999
  • 5,000+ Repair Videos 5,000+ Repair Videos
  • Repair ForumFree Tech Support!
  • Top Quality Store on Google

Parts for Ryobi 21AB454B034 / 2004: General Assembly Parts

Parts for Ryobi 21AB454B034 / 2004: General Assembly Parts

Location on Diagram
Part Description
Price & Availability
1
Product photo
By: Mtd

Can't shift gears on your tiller? A worn or broken shift rod prevents proper gear engagement. This replacement rod restores smooth shifting control.

More
$52.71

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
2
$210.54

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
3
$79.85

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
4
Product photo
By: Mtd

Hex screw for lawn tractors and garden equipment. Replaces missing, loose, or deteriorated fasteners in various mounting applications across the machine.

More
$4.14

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
5
Product photo
$10.95

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
7
$7.41

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
9
Product photo
$7.53

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
10
Product photo
By: Mtd
$19.72

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
11
Product photo
By: Mtd

This replacement part is a throttle knob. This part is a genuine replacement part made by MTD. This part is typically found in lawn mowers and assists the user in controlling the throttle of the machine properly. The throttle then adjusts the settings inside the engine so that the user is able to control the speed and power of the appliance. A new throttle knob might be needed if the current one is damaged or missing in any way. It is possible that over time this part might become worn down with normal wear and tear and need to be replaced. This part is made of durable plastic and should be fairly simple to replace. This throttle knob is sold individually and is sourced directly from the manufacturer. This part is also a genuine OEM replacement part to ensure proper fit and long-lasting use.

More
$18.55

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
12
Product photo
By: Mtd

Replacement foam handle grip for lawn mowers and tillers. Cushions metal handles for comfortable operation. Replace if worn, torn, cracked, or missing.

More
$27.95

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
14
$7.76

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
17
Product photo
By: Mtd

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

More
$4.31

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
19
By: Mtd
$24.70

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
20
$8.79

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
23
$19.36

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
24
By: Mtd

End cover assembly for tillers. Protects internal components from dirt and debris. Replace if cracked, broken, or missing to maintain proper enclosure.

More
$68.62

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
25
$7.33

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
26
Product photo
By: Mtd

This is a hex screw used on a variety of types of lawn and garden equipment. On large machinery, it is often used to mount the gas tank. On smaller items, it tends to be used to clamp the housing together. It can secure items like plastic, metal, brick, and wood together. It measures 5/16-18 x .75 inches and is made of durable metal. In some cases, the screw can become damaged, broken, or stripped, which means it needs to be replaced.A visual inspection will indicate whether the screw is damaged. If it needs to be replaced, a hex wrench can be used to remove it from the equipment. Afterward, the replacement hex screw can be installed with the wrench before being tightened to ensure materials hold together well.This hex screw is a genuine OEM part that is sold individually. It is sourced directly from the manufacturer. The hex screw is compatible with lawnmowers, wood chippers, log splitters, snowblowers, chainsaws, edgers, tillers, leaf blowers, and string trimmers by Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Husky, Broan, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Turf King, Yard-Man, and MasterCut.

More
$5.95

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
27
$8.49

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
28
Product photo
By: Mtd

This part is a replacement wing nut knob. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. If the current knob is broken, defective, or has become detached, this part can be used as a replacement. It is intended for use with several different types of small engine power equipment.This knob functions as a standard wing nut and has multiple different applications depending on the type and model of equipment it is intended to be used for. When working on or near an engine, always ensure that the equipment is powered off and completely cooled down before attempting to undergo any repairs. For more accurate information on how and where to install this wing nut knob, the appropriate owner's manual and equipment diagrams should be referenced. This wing nut knob is suitable for use on a variety of paint sprayer, yard vacuum, tiller, and spreader models manufactured by MTD, Craftsman, and Yard Machines. It is a genuine OEM part and thus is made of high-quality, durable plastic. Part sold individually.

More
$7.67

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
30
Product photo
By: Mtd

This is a flange nut that can be used in a variety of lawn and garden equipment from different manufacturers. The nut is made of metal, measures 5/16x18, and is used to secure components in place. It also assists with preventing backing out caused by vibration. Over time, the flange nut can become damaged and will need to be replaced. If the flange nut in lawn and garden equipment has become damaged, is loose, or gets lost, then replacement is required. The level of difficulty of replacing a flange nut depends on which parts it's securing and what kind of equipment it is installed on. This flange nut is an OEM replacement part that can be used with lawn mowers, snowblowers, wood chippers, tillers, log splitters, leaf blowers, and edgers by MasterCut, Craftsman, Yard-Man, Toro, Bolens, Cub Cadet, Montgomery Wards, Ryobi, Huskee, Troy-Bilt, MTD, and Yard Machines. It is sold individually and will require a wrench or socket for installation.

More
$4.31

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
33
By: Mtd

This is a metal connecting rod that attaches the rear debris guard to the tiller frame, keeping the guard properly positioned during operation. It ensures the guard stays in place to deflect dirt and debris kicked up by the tines. Replace this rod if it is bent, broken, or missing, which can cause the rear guard to hang loosely or fall off during use.

More
$15.95

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
34
By: Mtd
$11.52

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
36
$69.61

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
37
$17.66

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
38
$17.66

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
44
Product photo
By: Mtd

Self-tapping screw for lawn mowers and outdoor power equipment. Secures panels, covers, and components. Replace if stripped, missing, or corroded.

More
$9.95

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
46
$10.50

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
49
By: Mtd
$61.99

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
51
Product photo
By: Mtd

Secure loose deck components or prevent blade assembly vibration with this hex lock nut. Common replacement for attachment and engine mounting hardware.

More
$4.95

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
60
Product photo
$8.57

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
62
By: Mtd

Replacement hex bolt for lawn mowers and outdoor power equipment. Secures structural components. Needed when original bolt is stripped, lost, or damaged.

More
$4.70

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
63
Product photo
By: Mtd

Flat washer flange for lawn mowers, snow throwers, tillers, and edgers. Replace when washer is missing, damaged, or worn to ensure proper assembly.

More
$4.48

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
66
Product photo
By: Mtd

Replace a lost, stripped, or corroded nut on your lawn mower, tractor, or outdoor power equipment. Secures components for safe operation.

More
$4.95

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
67
$6.95

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
68
Product photo
By: Mtd

Nylon nut for lawn equipment. Secures and connects components throughout the machine. Replace if cracked, stripped, or missing for proper assembly.

More
$4.02

IN STOCK
Ships Tomorrow Guaranteed
Add to Cart
69
By: Mtd
$8.76

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
70
Product photo
By: Mtd
$8.49

Out Of Stock

Usually ships within 4 - 14 days

Add to Cart
  • 5,000+ Repair Videos 5,000+ Repair Videos
  • Same-Day Shipping Same-Day Shipping
  • 365 Day Return Policy! 365 Day Return Policy!
  • Repair ForumFree Tech Support!
  • Top Quality Store on Google