Stihl Blade Boss RM4RT RM545T MB650 MB655

Genuine Stihl Blade Boss / Holder for many Stihl RM4RT + RM4RTP + RM545 mowers. Also older Viking MB4RTP + MB545 + MB650 + MB655 mowers.

SKU: 61187025001

£14.96 inc. VAT

In Stock - Ready For Dispatch

Item In Stock

This means we have physically stock in our warehouse. Orders placed before 2pm (Mon-Fri) are typically dispatched the same day. Usually delivered within 1-2 working days.

UK Mainland Delivery: *FREE Over £200 Inc VAT (Excluding Ride On's)
Additional charges apply for certain postcodes (i.e. Scottish Highlands etc.). Prices calculated at checkout based on weight / size / address.

European & Overseas Delivery:
Our integrated IOSS system applies the correct Tax for your Country (for orders under €150) for faster customs clearance. All orders over this value may incur additional charges at customs.

Click & Collect:
Our warehouse staff they will notify you when your order is ready to collect from our depot (NE10). New Machinery purchases will be built-up, fuelled & oiled (as required) & tuned by our workshop; Ready to Mow!

Local Delivery: *FREE Over £250 Inc VAT (New Machinery Only)
For customers within 25 miles from our depot (NE10), we will delivery your new machine once it's built-up, fuelled & oiled (as required) & tuned by our workshop; Ready to Mow! Average 2-3 day lead time.

Low Stock - Hurry While Stock Lasts


Genuine Stihl Blade Boss {Holder} inc. Belt Pulley for many Stihl and Viking 4 + 5 + 6 + 7 Series Lawn Mowers.

*Check the Silver Badge on the body of your lawn mower to find your “decimal point version” (.0 or .1 etc) to ensure correct fitment*

Suitable for the following models:


RM 4.0 R (up to serial no: 443651018)
RM 4.0 RT (up to serial no: 443651018)
RM 4.0 RTP (up to serial no: 443651018)
RM 545.0
RM 545.0 T

Viking Mowers

MB 4.0 R
MB 4.0 RT
MB 4.0 RTP + MB4.1 RTP
MB 545.0 + MB 545.1
MB 545.0 T + MB 545.1 T
MB 650.0 T
MB 650.0 TK
MB 655.0 G + MB 655.1 G
MB 655.0 GM
MB 655.0 GQ
MB 750.0 GK + MB 750.1 GK


This is a genuine Stihl Part.

Genuine Honda Spare Parts

Unsure if this is the correct replacement spare part for your Lawn Mower? Just Contact Us with as much Lawn Mower Serial / Product Numbers as possible and we will identify the right one for you. Alternatively, just give us a call on 0191 4692020.


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