Yamaha OEM Part B4F-8591A-00-00 ENGINE CONTROL UNIT ASSY
- Product Code: B4F-8591A-00-00
$1,092.99
- Genuine Yamaha OEM part
- New in original packaging
- Fits the models listed in the fitment chart
- Easy, no-hassle returns
This product is vehicle specific.
Find your vehicle to make sure this part fits before you order.
Ships in 4 to 9 days
Genuine Yamaha OEM Engine Control Unit Assembly (part number B4F-8591A-00-00) from the Electrical 1 diagram. It fits Yamaha Grizzly built from 2019 to 2020.
Fits these models
- Grizzly: 2019–2020
See the Fitment tab for the full list with model codes.
Need Help Finding the Right Part?
Not sure it fits? Ask before you order — our team will check the part for your machine.
For a faster answer, include:
Year, make and model of your machine
VIN or frame / serial number
OEM part number or a photo of the old part
Find your ride
Check your current ride below to confirm product compatibility.
Yamaha
2020
- Yamaha YFM70GPALG (GRIZZLY EPS) BDE5 2020 ELECTRICAL 1
- Yamaha YFM70GPALW (GRIZZLY EPS) BDE51 2020 ELECTRICAL 1
- Yamaha YFM70GPHLH (GRIZZLY EPS HUNTER) BDE8 2020 ELECTRICAL 1
- Yamaha YFM70GPSLS (GRIZZLY EPS SPECIAL EDITION) BDEC 2020 ELECTRICAL 1
- Yamaha YFM70GPSLZ (GRIZZLY EPS XTR) BDEG 2020 ELECTRICAL 1
- Yamaha YFM70GPAKR (GRIZZLY EPS 4WD) B4FD 2019 ELECTRICAL 1
- Yamaha YFM70GPAKW (GRIZZLY EPS 4WD) B4FD1 2019 ELECTRICAL 1
- Yamaha YFM70GPHKH (GRIZZLY EPS 4WD HUNTER) B4FG 2019 ELECTRICAL 1
- Yamaha YFM70GPLKL (GRIZZLY EPS 4WD SPECIAL EDITION) B4F1 2019 ELECTRICAL 1
- Yamaha YFM70GPSKB (GRIZZLY EPS 4WD SE) B4F5 2019 ELECTRICAL 1
Part Details
| Brand | Yamaha |
| Sku | B4F-8591A-00-00 |
| Name | ENGINE CONTROL UNIT ASSY |
Free Shipping on Orders Over $99
Free ground shipping on US orders over $99, with tracking. Delivery time is shown before you pay, so you know when it arrives.
Support From People Who Ride
Not sure about size or fit? Ask us before you order. Our team rides too and will help you pick what suits your bike.
Genuine OEM & Trusted Brands
OEM parts for Honda, Yamaha, Kawasaki, Can-Am, Polaris and more, plus gear from makers riders trust. No no-name imports.
Parts That Fit Your Machine
Enter your machine’s type, year, make and model, and we’ll show only the parts and gear that fit it.
