- This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
- New stock is on the way! On order parts usually ship within 7 business days.
- Item is not in stock and usually ships 10-15 business days from the time you place your order.
- This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
Jump to:
Product Description
?This is a genuine Snapper replacement part that has been sourced from the original manufacturer to be used with walk-behind lawnmowers. The idler pulley attaches to the idler clutch arm and is used to engage the drive belt. The idler pulley is priced as a single item.
Frequently Purchased Together
?Troubleshooting
- Snapper
- Lawn Mower
- Tiller
Customer Part Reviews
?- < Prev
- 1
- Next >
Questions & Answers
?Our customer Service team is at the ready daily to answer your part and product questions.
We're sorry, but our Q&A experts are temporarily unavailable.
Please check back later if you still haven't found the answer you need.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Customer Repair Instructions
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
- < Prev
- 1
- Next >
All parts were correct
Ron from Arlington, Texas
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 1- 2 hours
- Tools:
- Pliers, Socket set
Yearly maintance.
Gary from Algona, Washington
Idler pulley worn
Troy from Goodland, Kansas
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Socket set
- Parts Used:
- 7012124YP
Idler pulley had broken, so replaced pulley and belts at same time.
Charles from Arlington, Texas
- Difficulty Level:
- Easy
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Screw drivers, Socket set
Removed spring from Idler Pulley mount, and replaced idler pulley, and connected new belt.
Disconnected drive shaft on one side and removed old belt and replaced with new belt.
Tightened all the bolts and reconnected tension springs.
Job comp ... Read more leted in approx. 15 minutes.
Idler Pulley
Ed from Houma, Louisiana
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- Less than 15 mins
- Tools:
- Nutdriver, Pliers
- Parts Used:
- 7012124YP
Idler pulley was split and tore-up the belt
RICHARD from OMAHA, Nebraska
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 15 - 30 mins
- Tools:
- Pliers, Socket set, Wrench set
- Parts Used:
- 7012124YP
Self-drive wore out, drive belt failed.
Mark from Rockaway, New Jersey
- Difficulty Level:
- A Bit Difficult
- Total Repair Time:
- 30 - 60 mins
- Tools:
- Pliers, Socket set, Wrench set
Removed lower Drive Disc assembly- needed special wrench- a 7/8\" flat (or pump) open-end wrench, to hold the flats on the bushing, close clearance between Drive Disk and Idler Arm, to remove the nut ( under deck)
Removed the old Hex Shaft.
Installed new ... Read more belt (remove blade, for access)
Replaced lower Drive Disc, and installed tension spring.
Installed new Hex Shaft
Replaced Hub assembly, and installed tension spring.
Replaced shift linkage
Test drive !!
- < Prev
- 1
- Next >
Model Cross Reference
Manufacturer Part Number: 7012124YP
| Brand | Model Number | Description |
|---|---|---|
| Snapper | 21350 | Lawn Mower - () 21" 3.5 Hp Steel Deck Series 0 |
| Snapper | 21350P | Lawn Mower - () 21" 3.5 Hp Steel Deck Series 0 |
| Snapper | 21350PS | Lawn Mower - () 21" 3.5 Hp Steel Deck Series 0 |
| Snapper | 21351P | Lawn Mower - 21" 3.5 Hp Steel Deck Series 1 |
| Snapper | 21351PD | Lawn Mower - 21" 3.5 Hp Steel Deck Series 1 |
| Snapper | 21351PS | Lawn Mower - 21" 3.5 Hp Steel Deck Series 1 |
| Snapper | 21355P | Lawn Mower - 21" 3.5 Hp Steel Deck Series 5 |
| Snapper | 21355PD | Lawn Mower - 21" 3.5 Hp Steel Deck Series 5 |
| Snapper | 2135XPS | Lawn Mower - 21" 3.5 Hp Steel Deck Electric Start Series X |
| Snapper | 2135XPST | Lawn Mower - 21" 3.5 Hp Steel Deck Electric Start Series X |
| Snapper | 2135YP | Lawn Mower - 21" 3.5 Hp Steel Deck Bbc Series Y |
| Snapper | 21400 | Lawn Mower - () 21" 4 Hp Steel Deck Series 0 |
| Snapper | 21401P | Lawn Mower - 21" 4 Hp Steel Deck Series 1 |
| Snapper | 21401PD | Lawn Mower - 21" 4 Hp Steel Deck Series 1 |
| Snapper | 21401PD-2 | Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 1 |
| Snapper | 21401PS | Lawn Mower - 21" 4 Hp Steel Deck Electric Start Series 1 |
| Snapper | 21402P | Lawn Mower - 21" 4 Hp Steel Deck Series 2 |
| Snapper | 21402PT | Lawn Mower - 21" 4 Hp Steel Deck Series 2 |
| Snapper | 21404PB | Lawn Mower - 21" 4 Hp Steel Deck Series 4 |
| Snapper | 21404PT | Lawn Mower - 21-Inch 4 Hp 2 Cycle Steel Deck |
| Snapper | 21404PT-2 | Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 4 |
| Snapper | 21405P | Lawn Mower - 21" 4 Hp Steel Deck Series 5 |
| Snapper | 21405P-2 | Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 5 |
| Snapper | 21405PD | Lawn Mower - 21" 4 Hp Steel Deck Series 5 |
| Snapper | 21405PD-2 | Lawn Mower - 21" 4 Hp 2 Cycle Steel Deck Series 5 |
| Snapper | 21405PDT | Lawn Mower - 21" 4 Hp Steel Deck Series 5 |
| Snapper | 21405PN | Lawn Mower - 21" 4 Hp Steel Deck Series 5 |
| Snapper | 21405PS | Lawn Mower - 21" 5 Hp Steel Deck Electric Start Series 5 |
| Snapper | 21405PT | Lawn Mower - 21" 5 Hp Steel Deck Series 5 |
| Snapper | 2140YP | Lawn Mower - 21" 4 Hp Steel Deck Experimental Bbc Series Y |
Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.