Rover / Scott Bonnar Model 45 Cylinder Mower Spare Parts
 
Replacement spare parts for Scott Bonnar Model 45 and Rover Model 45 cylinder mowers including clutch cables, bearings, handle grips, drive chains, sprockets, keys, bearing holders, cutter adjustment screw assemblies, clutch liners, grass deflectors, height adjusters, and much more.

For engine parts including gaskets, seals, mufflers, air filters, carburettor components, recoil starter and ignition parts, please click on the appropriate link below.


USED PARTS for Scott Bonnar 45 cylinder mowers can be found by clicking on the image below:














Lipped Bottom Blade / Shear Blade (non genuine) $52.00
Heavy duty lipped front edge. Blade thickness 4mm. Overall blade height 6.5mm. Fits 14 inch cut Model 45's only. Five countresunk holes at 3.00" spacing. 
1 Unit

Product
SB4514LBB
Lipped Bottom Blade
Price/Unit
52.00 AUD
Qty
 






Cutter Cylinder (non genuine) $420.00
Eight blade heavy duty replacement cutter cylinder for 17" Scott Bonnar 45 and Rover 45 mowers. Supplied pre-sharpened.
1 Unit

FOR SPECIAL ORDER ONLY 
Please contact us to order.
Product CCA9104












Clutch Counterweight (non genuine) $9.95
Replacement part for OEM Number A20016
1 Unit
 
Product
SB345-0023
Clutch Counterweight
Price/Unit
9.95 AUD
Qty
 
 
 
 
 
 
Throttle Lever Assembly (non genuine) $12.50
Fits Scott Bonnar 45 models. Use with CAC461 Throttle Cable (below). Includes two mounting screws. Replacement part for OEM Number A00959K
1 Unit 
 


Product
LEV742
Throttle Lever Assbly
Price/Unit
12.50 AUD
Qty
 
 
 
 
Universal Throttle Cable (non genuine) $18.00
Fits Scott Bonnar 45 models fitted with Briggs & Stratton, Tecumseh and Honda engines. Plastic coated wound metal outer cable and solid inner wire. Measures overall 900mm. Simply measure, cut and bend to suit your particular engine model & throttle bracket. Suits LEV742 Plastic Throttle Lever (listed above). Not compatible with early style metal throttle levers.
1 Unit
 
Product
CAC461
Throttle Cable
Price/Unit
18.00 AUD
Qty
 
 
  




Shear Blade Screws (non genuine) $7.20shearblade screws
5/16" UNC countersunk shear blade / bottom blade screws 
Replacement part for OEM A2071924 
Set of 6
 
Product
BSN2826
Shear Blade Screw x6
Price/Unit
7.20 AUD
Qty
 
 
 
 
 

Nut and Spring Washer 5/16" UNF (non genuine) $0.75 
5/16" UNF plain nut and spring washer.
1 Unit
 
Product
SCB31
5/16 in UNF Nut and Washer
Price/Unit
0.75 AUD
Qty
 
 
 
 

PTO Shaft Bearing (top shaft) $12.00
Single row deep groove ball bearing.
1 Unit
 
Product
BEA161
PTO bearing
Price/Unit
12.00 AUD
Qty
 
 
 






Rear Roller Bearing $35.00
Specialty bearing. Replacement part for OEM Number A1129017
1 Unit

OUT OF STOCK B045-521 
 
 
 
 
 
 
 
 
 
 
 
 
 

Cutter Chain Adjustment Slide (non genuine) $9.20adjuster slide
Replacement part for OEM Number A455769
1 Unit
 
Product
CHM2738
Chain adjustment block
Price/Unit
9.20 AUD
Qty
 
  
 


 
Front Roller Height Adjustment Shaft (non genuine) $35.90height shaft
Replacement part for OEM Number A454678
1 Unit

Product
SB345-0064
height adjust shaft
Price/Unit
35.90 AUD
Qty
 
 
 
 
 




Clutch Cone Spring (non genuine) $14.95
Measures 25mm outside diametre x 32mm overall length. Replacement part for OEM Number A453886
1 Unit

Product
SCB23
Clutch Cone Spring
Price/Unit
14.95 AUD
Qty















Clutch Cone (non genuine) $98.00cone
Replacement part for OEM Number A453878
1 Unit
 


FOR SPECIAL ORDER ONLY Please contact us to order.
Product SB345-0011 
 
 
 
 
 
 
 
Cutter Sprocket (non genuine) $92.00
Fits 14", 17" and late 20" Model 45's that use RLS5 size bearings. Use with Morse Key No.6 (KEY728)
Replacement part for OEM Number A451485
1 Unit
 
FOR SPECIAL ORDER ONLY Please contact us to order.
Product SB345-0037
 
 
 
 
 




Cutter Sprocket (non geunine) $98.00
Fits only early 20" cut Scott Bonnar Model 45's fitted with eight blade cylinders and RMS5 size bearings. Use with Morse key No.6 (KEY728).
1 Unit

FOR SPECIAL ORDER ONLY Please contact us to order.
Product SB345-003720











PTO Top Sprocket (non genuine) $59.00
Replacement part for OEM Number A453990
1 Unit
 
Product
Sb345-0030
PTO sprocket
Price/Unit
59.00 AUD
Qty
 
 
 






Clutch body key (non genuine) $4.30
3/16" square. For engine shaft / clutch body.
Replacesment part for OEM Number A453843
1 Unit
 
Product
SB345-0002
clutch body key
Price/Unit
4.30 AUD
Qty
 
 
 
 
Morse key No.9 (non genuine) $2.90
For inner clutch cone / PTO shaft.
Replacement part for OEM Number A05086
1 Unit
 
Product
KEY3376
Morse key No.9
Price/Unit
2.90 AUD
Qty
 
 
 
Morse key No.6 (non genuine) $1.70
For top sprocket, cutter sprocket and roller sprocket.
Replacement part for OEM Number A02051
1 Unit
 
Product
KEY728
Morse key No.6
Price/Unit
1.70 AUD
Qty
 
 
 
Clutch body thrust bearing (non genuine) $28.15bearing
Replacement part for OEM Number A3534016
1 Unit
 
Product
BEA160
Clutch thrust bearing
Price/Unit
28.15 AUD
Qty
 
 
 
 
 
Clutch body set screws 1 pair (non genuine) $5.90
5/16" x 3/4" UNC
Replacement part for OEM Number A02082K
1 Pair
 
Product
SB345-0003
clutch set screw pair
Price/Unit
5.90 AUD
Qty
 
 
 
 
 
Grass deflector clamp assembly (non genuine) $15.00clamp
Replacement part for OEM Number A451143
1 Unit
 
Product
SB345-0072
deflector clamp assembly
Price/Unit
15.00 AUD
Qty
 
 
 
 
Catcher support block 1 Pair (non genuine) $8.50catcher blocks
Press fit onto square pegs on inner chassis sides.
Replacement part for OEM Number A453085
1 Pair 
 
OUT OF STOCK CHD1276
 
 
 
 
 
 
 








Handle Bar grip (non genuine) $12.95
Comfortable soft ribbed design.
Replacement part for OEM Number A1851069
1 Pair 

Product
B295-303
Handle Grip Pair
Price/Unit
12.95 AUD
Qty
 
 
 






Clutch cable (non genuine) $33.00clutch cable
Comes with return spring and lock nuts fitted.
Replacement part for OEM Number A451240
1 Unit



Product
CAC467
Clutch cable
Price/Unit
33.00 AUD
Qty









Cutter Bearing Holder Screw x 4 (non genuine) $6.50
1/4" x 1 1/4" UNC socket head screw. Replacement for original slotted head screw.
1 Set of 4

Product
BHSCREW4
S.Head Screw x 4
Price/Unit
6.50 AUD
Qty









Cutter bearing RLS5-2RS (non genuine) $16.00bearing
Sealed type precision bearing.
Replacement part for OEM Number A1128382
1 Unit
  
Product
BEA158
RLS5-2RS Bearing
Price/Unit
16.00 AUD
Qty
 
 
 
 
 
 
 
Cutter bearing shield (non genuine) $9.80bearing shield
Suits RLS5 type bearings. Replacement part for OEM Number A451477
1 Unit
 
Product
CHD1859
Cutter bearing shield
Price/Unit
9.80 AUD
Qty
 
 
 
 
 
 
 
 



Cutter bearing RMS52RS (non genuine) $17.95
Sealed type precision bearing for 20 inch cut models.
Measures 5/8" ID x 1 13/16" OD x 5/8 H. Replacement part for OEM Number 1127554.
1 Unit


Product
BEA159
RMS5-2RS Bearing
Price/Unit
17.95 AUD
Qty


 



Front roller end cap (non genuine) $19.95 pairfront roller caps
Hard plastic construction. Replacement part for OEM Number A455865
1 Pair
 
Product
CHD18332
Front Roller End Cap x 2
Price/Unit
19.95 AUD
Qty
 







Front Roller Shaft $56.00roller
Fits 17" cut Model 45's. Includes nut. Replaces OEM Number A454301
1 Unit

Product
SHAFT17
roller shaft 17 inch
Price/Unit
56.00 AUD
Qty







Cutter bearing housing adjustment screw assembly (non genuine) $28.75adjuster screw
Suits both right and left cutter bearing holders. Comes complete with 2 x nuts and 2 x washers.
Replacement part for OEM Numbers A456606 & A456593
1 Unit

Product
CHD2215
Cylinder adjustment screw assembly
Price/Unit
28.75 AUD
Qty
 
 
 
 
 
 
Sprocket Retaining Nut (non genuine) $3.50
20TPI 1/2" UNF Thread. Suits PTO shaft, cutter and rear roller.
Replacement part for OEM Number A2441244K
1 Unit
 
Product
B045-713
Nut 1/2 UNF
Price/Unit
3.50 AUD
Qty
 
 
 
 
 
 
PTO Shaft suits 17 inch models (non genuine) $48.00
Replacement part for OEM Number A454512
1 Unit
Product
SB345-0013
PTO shaft suit 17in
Price/Unit
48.00 AUD
Qty





Clutch block / thrust pad (non genuine) $6.90thrust pad
Replacement part for OEM Number A333112.
1 Unit

Product
CHD1529
Thrust pad nylon
Price/Unit
6.90 AUD
Qty
 
 
 
 
 
 

PTO Shaft suits 14 inch models (non genuine) $65.00
Replacement part for OEM Number A453907
1 Unit
 
 
Product
SB345-001414
PTO Shaft 14 inch
Price/Unit
65.00 AUD
Qty
 
 
 
 
 
 
PTO Shaft suits 20 inch models (non genuine) $70.00
Replacement part for OEM Number A453907
1 Unit
 
Product
SB345-001420
PTO Shaft 20 inch
Price/Unit
70.00 AUD
Qty
 
 
 
 
 
 
 
Drive clutch cork (non genuine) $6.95drive cork 
*Please note that this clutch liner must be cement/epoxied in place using an appropriate adhesive (not included). Replacement part for OEM Number A333032
1 Unit
 
Product
CHD556
Drive Clutch Cork
Price/Unit
6.95 AUD
Qty
 
 
 
 
 


Cone clutch cork (non genuine) $6.95cone cork
*Please note that this clutch liner must be cemented/epoxied in place using an appropriate adhesive (not included). Replacement part for OEM Number A453860
1 Unit
 
Product
CHD555
Cone Clutch Cork
Price/Unit
6.95 AUD
Qty
 

 
 
 
 
Clutch body suit 5/8" shaft (non genuine) $84.00scott bonnar clutch housing
Set screws, key and bearing NOT INCLUDED.
Replacement part for OEM Number A453835
1 Unit
 



Product
CHD2850
Clutch body 5/8in
Price/Unit
84.00 AUD
Qty
 

 
 
 
 
 
 
 

Clutch body suit 3/4" shaft (non genuine) $84.00scott bonnar clutch housing
Set screws, key and bearing NOT INCLUDED.
Replacement part for OEM Number A455531
1 Unit
 
 
Product
CHD2851
Clutch body 3/4in
Price/Unit
84.00 AUD
Qty
 
 
 
 




Clutch Screw & Nut Set (non genuine) $5.00
Contains three 1/4" x 1 3/4" countersunk screws and Nyloc nuts.
1 Set
 
 
Product
SB345-0024S
Clutch Screw/Nut Set
Price/Unit
5.00 AUD
Qty
 
 
 
 
 
Chain 1/2" x 3/16" 38 pins (non genuine) $19.95
Roller / drum drive chain. 415 type chain. Includes master link.
Replacement part for OEM Number A2981385. Photo for illustration purposes only.
1 Unit
 
Product
CHM1865
Roller Chain 415 38pin
Price/Unit
19.95 AUD
Qty
 
 
 
 
Chain 3/8" x 7/32" 80 pins (non genuine) $30.95
Cutter drive chain. 06B type chain. Includes master link.
Replacement part for OEM Number A2984806. Photo for illustration purposes only.
1 Unit
 
Product
CHM1863
Cutter Chain 06B 80pin
Price/Unit
30.95 AUD
Qty
 
 
 
 
Chain 1/2" x 3/16" 59 pins (non genuine) $27.95
Drive / intermediate drive chain. 415 type chain. Includes master link and offset link (half link).
Replacement part for OEM Number A2981590. Photo for illustration purposes only.
1 Unit
 
Product
CHM1864
Drive Chain 415 59pin
Price/Unit
27.95 AUD
Qty
 
 
 
 
 
   

       Check out our custom made cylinder mower grass catchers.       
 
 
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