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  Toro 51978 (317000001-999999999) 18in Straight-shaft Gas Trimmer Parts
Toro 18in Straight-shaft Gas Trimmer Replacement  For Model 51978 (317000001-999999999)

Toro 18in Straight-shaft Gas Trimmer Replacement Parts For Model 51978 (317000001-999999999)

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Powerhead Assembly No. 308466016
Trimmer Head, Shaft and Guard Assembly
Upper Shaft, Handle and Powerhead Assembly
Showing All Parts
Powerhead Assembly No. 308466016
Toro 51978 (317000001-999999999) 18in Straight-shaft Gas Trimmer Powerhead Assembly No. 308466016 Diagram
 Fig #
1
Screw-pan Hd
 $3.99

Part Number:660347001

In Stock

In Stock
 $3.99
In Stock
 $3.99
2
Shield-heat
 $10.50

Part Number:638027002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $10.50
Usually ships in 7 - 12 business days
 $10.50
3
Screw-pan Hd
 $3.99

Part Number:660870001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
4
Cover-trimmer
 $30.94

Part Number:638267001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $30.94
Usually ships in 7 - 12 business days
 $30.94
5
Screen
 $3.99

Part Number:638268001

In Stock

In Stock
 $3.99
In Stock
 $3.99
6
Muffler Asm
 $67.19

Part Number:300748021

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $67.19
Usually ships in 7 - 12 business days
 $67.19
7
Gasket-muffler
 $3.99

Part Number:630002032

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
8
Spark Plug
 $20.71

Part Number:870170001

In Stock

In Stock
 $20.71
In Stock
 $20.71
9
Cylinder Plate
 $3.99

Part Number:630002021

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
10
Screw
 $3.99

Part Number:660342001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
11
Screw
 $3.99

Part Number:660351002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
12
Cylinder
 $95.42

Part Number:640570023

In Stock

In Stock
 $95.42
In Stock
 $95.42
13
Gasket
 $3.99

Part Number:900709005

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
14
Housing-engine, Rear
 $4.99

Part Number:591644001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $4.99
Usually ships in 7 - 12 business days
 $4.99
15
Screw
 $3.99

Part Number:660734001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
17
Screw-pan Hd
 $3.99

Part Number:660351001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
18
Pulley Asm
 $14.66

Part Number:308004001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $14.66
Usually ships in 7 - 12 business days
 $14.66
19
Crankcase Asm
 $133.60

Part Number:300749010

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $133.60
Usually ships in 7 - 12 business days
 $133.60
20
Gasket-insulator
 $3.99

Part Number:903279002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
21
Nut
 $3.99

Part Number:690840001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
22
Insulator-heat Dam
 $14.09

Part Number:518329001

In Stock

In Stock
 $14.09
In Stock
 $14.09
23
Gasket
 $3.99

Part Number:901697001

In Stock

In Stock
 $3.99
In Stock
 $3.99
24
Screw-pan Hd
 $3.99

Part Number:660344003

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
25
Carburetor Asm
 $132.59

Part Number:308480001

In Stock

In Stock
 $132.59
In Stock
 $132.59
26
Clip-hose
 $3.99

Part Number:690700001

In Stock

In Stock
 $3.99
In Stock
 $3.99
27
Line-fuel
 $3.99

Part Number:570373002

In Stock

In Stock
 $3.99
In Stock
 $3.99
28
Clip-hose
 $3.99

Part Number:6969901

In Stock

In Stock
 $3.99
In Stock
 $3.99
29
Gasket-carburetor
 $3.99

Part Number:9071103

In Stock

In Stock
 $3.99
In Stock
 $3.99
30
Filter Housing Asm
 $18.61

Part Number:308478004

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $18.61
Usually ships in 7 - 12 business days
 $18.61
31
Choke Lever
 $3.99

Part Number:590458001

In Stock

In Stock
 $3.99
In Stock
 $3.99
32
Carburetor Plate
 $6.89

Part Number:518130001

In Stock

In Stock
 $6.89
In Stock
 $6.89
33
Choke Plate
 $3.99

Part Number:590946001

In Stock

In Stock
 $3.99
In Stock
 $3.99
34
Screw
 $3.99

Part Number:660345001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
35
Primer Assembly
 $21.69

Part Number:300780002

In Stock

In Stock
 $21.69
In Stock
 $21.69
36
Screw-pan Hd
 $3.99

Part Number:660346001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
37
Element
 $9.98

Part Number:560873001

In Stock

In Stock
 $9.98
In Stock
 $9.98
38
Cover-intake, Air
 $5.14

Part Number:308207006

In Stock

In Stock
 $5.14
In Stock
 $5.14
39
Fuel Tank Assembly W/fuel Line
 $41.00

Part Number:308675054

In Stock

In Stock
 $41.00
In Stock
 $41.00
40
Filter-fuel
 $3.99

Part Number:310976001

In Stock

In Stock
 $3.99
In Stock
 $3.99
41
Hose-fuel
 $3.99

Part Number:570373010

In Stock

In Stock
 $3.99
In Stock
 $3.99
42
Hose-fuel
 $3.99

Part Number:562967008

In Stock

In Stock
 $3.99
In Stock
 $3.99
43
Cap-fuel
 $7.46

Part Number:310816005

In Stock

In Stock
 $7.46
In Stock
 $7.46
44
Rotor
 $35.52

Part Number:640574002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $35.52
Usually ships in 7 - 12 business days
 $35.52
45
Nut-rotor
 $3.99

Part Number:690689001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
46
Washer Obsolete - Not Available
 $2.99

Part Number:690695001

Discontinued

Discontinued
 $2.99
Discontinued
47
Clutch Assembly Obsolete - Not Available
 $16.37

Part Number:307091001

Discontinued

Discontinued
 $16.37
Discontinued
48
Washer-curved
 $3.99

Part Number:690696001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
49
Clutch Screw
 $3.99

Part Number:660353001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
50
Key-woodruff
 $3.99

Part Number:690688001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
51
Screw-pan Hd
 $3.99

Part Number:660344001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
52
Housing-engine, Front
 $45.79

Part Number:300754031

In Stock

In Stock
 $45.79
In Stock
 $45.79
53
Screw-pan Hd
 $3.99

Part Number:660349001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
54
Wire-lead,red
 $3.99

Part Number:290143002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
55
Wire-lead,black
 $3.99

Part Number:290143001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
56
Coil-boot Asm
 $41.81

Part Number:290178024

In Stock

In Stock
 $41.81
In Stock
 $41.81
Trimmer Head, Shaft and Guard Assembly
Toro 51978 (317000001-999999999) 18in Straight-shaft Gas Trimmer Trimmer Head, Shaft and Guard Assembly class=
 Fig #
1
Cap-hanger
 $3.99

Part Number:518019002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
2
Decal-label, Warning
 $3.99

Part Number:940657032

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
3
Straight Shaft Asm
 $29.96

Part Number:308035047

In Stock

In Stock
 $29.96
In Stock
 $29.96
4
Spacer
 $3.99

Part Number:518367001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
5
Screw-hwh
 $3.99

Part Number:660736001

In Stock

In Stock
 $3.99
In Stock
 $3.99
6
Screw
 $3.99

Part Number:660642001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
7
Head-gear
 $51.18

Part Number:308210008

In Stock

In Stock
 $51.18
In Stock
 $51.18
9
Adaptor-head Shaft, Trimmer
 $4.99

Part Number:678019004

In Stock

In Stock
 $4.99
In Stock
 $4.99
10
Trimmer Head Assembly
 $58.83

Part Number:308923014

In Stock

In Stock
 $58.83
In Stock
 $58.83
11
Spring-compression
 $3.99

Part Number:678749001

In Stock

In Stock
 $3.99
In Stock
 $3.99
12
Spool Asm
 $9.14

Part Number:308924001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.14
Usually ships in 7 - 12 business days
 $9.14
13
Bolt
 $3.99

Part Number:660649001

In Stock

In Stock
 $3.99
In Stock
 $3.99
14
Knob-bump
 $22.53

Part Number:518803003

In Stock

In Stock
 $22.53
In Stock
 $22.53
16
Screw 1/4-20 X 1-1/4 In.
 $3.99

Part Number:983379078

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
17
Label-deflector ,grass
 $3.99

Part Number:940627020

In Stock

In Stock
 $3.99
In Stock
 $3.99
18
Grass Deflector Asm
 $48.87

Part Number:308473004

In Stock

In Stock
 $48.87
In Stock
 $48.87
Upper Shaft, Handle and Powerhead Assembly
Toro 51978 (317000001-999999999) 18in Straight-shaft Gas Trimmer Upper Shaft, Handle and Powerhead Assembly class=
 Fig #
1
Upper Shaft Asm
 $42.15

Part Number:308159025

In Stock

In Stock
 $42.15
In Stock
 $42.15
2
Shaft Clamp Asm
 $4.99

Part Number:308045014

In Stock

In Stock
 $4.99
In Stock
 $4.99
3
Label-warning
 $3.99

Part Number:940657034

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
4
Clip-strap, Shoulder
 $3.99

Part Number:638431001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
5
Control Handle Asm
 $4.99

Part Number:308869003

In Stock

In Stock
 $4.99
In Stock
 $4.99
6
Screw
 $3.99

Part Number:660563002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
7
Trigger-throttle
 $7.67

Part Number:518696008

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $7.67
Usually ships in 7 - 12 business days
 $7.67
8
Tube-corrugated
 $3.99

Part Number:518210004

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
9
Spring-cable, Throttle
 $3.99

Part Number:678818001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
10
Screw
 $3.99

Part Number:T660697001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
11
Grip-shaft, Upper
 $6.03

Part Number:570234009

In Stock

In Stock
 $6.03
In Stock
 $6.03
12
Screw
 $3.99

Part Number:660925011

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
13
Powerhead Asm Obsolete - Not Available
 $2.99

Part Number:308466016

Discontinued

Discontinued
 $2.99
Discontinued
14
Clamp-cable,throttle
 $3.99

Part Number:638133001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
15
Screw
 $3.99

Part Number:660734001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
16
Plate-logo
 $3.99

Part Number:940865001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
17
Decal-start
 $3.99

Part Number:940686148

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
18
Nut-hex
 $3.99

Part Number:678029002

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
19
Spring-compression
 $3.99

Part Number:678906001

In Stock

In Stock
 $3.99
In Stock
 $3.99
20
Trigger-lock, Throttle
 $3.99

Part Number:518695008

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
21
Switch-on/stop
 $6.97

Part Number:760700001

In Stock

In Stock
 $6.97
In Stock
 $6.97
22
Lead
 $11.38

Part Number:308863029

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $11.38
Usually ships in 7 - 12 business days
 $11.38
23
Cable-throttle
 $4.99

Part Number:308225011

In Stock

In Stock
 $4.99
In Stock
 $4.99
24
Label-on/stop
 $3.99

Part Number:940864003

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
25
Spring-trigger
 $3.99

Part Number:690694002

In Stock

In Stock
 $3.99
In Stock
 $3.99
26
Handle Asm
 $19.82

Part Number:308056009

In Stock

In Stock
 $19.82
In Stock
 $19.82
27
Handle-shaft, Upper
 $16.53

Part Number:526760001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $16.53
Usually ships in 7 - 12 business days
 $16.53
28
Screw
 $5.30

Part Number:660857001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $5.30
Usually ships in 7 - 12 business days
 $5.30
29
Clamp-handle, Upper Shaft
 $3.99

Part Number:639167001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
30
Nut-wing
 $3.99

Part Number:518949001

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
 Fig #
Trimmer Parts

Questions & Answers for Toro 51978 (317000001-999999999)


Do you have the trimmer adapter washer for a 1 inch hole for other weeder attachments.
Kenneth for model number 51978 asked on 2022-09-14
Hello Kenneth, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is Part Number: 099078001005. Thank you for your inquiry, good luck with this repair!
eReplacementParts Team September 14, 2022
does the shaft include the drive inside? What is the length?
Gary asked on 2023-03-06
Hello Gary, Thank you for your inquiry. We show that the drive cable is included with this part 308035047, and that the shaft is approximately 29 inches long. We hope this helps you.
eReplacementParts Team March 06, 2023
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