Cub Cadet 678-SU - 278CC Engine - eReplacementParts.com

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Popular Parts

$7.17

$14.55

$6.38

$5.33

$21.86

$14.68

Fuel Drain Plug Gasket

$3.84

Primer Bulb Only

$10.25

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Questions & Answers

General Assembly 678-Su

Hotspots

Fig #

Valve Cover

$32.63

Part Number:951-11220

In Stock, 1 available

Note: Furnish 951-11333, Valve Cover Kit

$32.63

Breather Hose

$7.52

Part Number:951-15424

Ships in 1 - 4 business days

$7.52

Hose Clamp

$4.01

Part Number:726-04101

In Stock, 1 available

$4.01

Breather Hose

$7.57

Part Number:951-14982

Ships in 1 - 4 business days

$7.57

Valve Cover Gasket

$15.07

Part Number:951-11967

Ships in 1 - 4 business days

$15.07

Jam Nut

$8.60

Part Number:751-11124

Backorder: No ETA

Note: Also Available in Kit Below

$8.60

Valve Adjusting Nut

$9.55

Part Number:751-11123

In Stock, 1 available

Note: Also Available in Kit Below

$9.55

Rocker Arm

$7.69

Part Number:951-11966

In Stock, 3 available

$7.69

Rocker Arm Stud

$6.24

Part Number:710-04902

In Stock, 7 available

Note: Also Available in Kit Below

$6.24

Push Rod Guide Obsolete - Not Available

$5.61

Part Number:951-11965A

Discontinued

Retainer, Ex. Valve Spring

$3.87

Part Number:951-12080

In Stock, 3 available

$3.87

Valve Spring

$3.66

Part Number:951-12078

In Stock, 1 available

$3.66

Valve Spring Retai

$3.66

Part Number:951-12077A

Ships in 1 - 4 business days

$3.66

Intake Valve Seal

$10.46

Part Number:951-11964A

Ships in 1 - 4 business days

$10.46

Bolt M4x55

$6.06

Part Number:710-04965

In Stock, 3 available

Note: Furnish 951-11226, Cylinder Head Kit

$6.06

Bolt M6X12

$4.01

Part Number:710-04915

In Stock, 5 available

$4.01

Cylinder Baffle

$23.97

Part Number:951-11180

Ships in 1 - 4 business days

$23.97

Muffler Shield

$62.80

Part Number:951-11194

Ships in 1 - 4 business days

$62.80

Flange Bolt

$3.90

Part Number:710-04914

In Stock, 1 available

$3.90

Muffler Baffle

$28.52

Part Number:951-11181

Ships in 1 - 4 business days

$28.52

Heat Shield

$26.96

Part Number:951-11227

In Stock, 1 available

$26.96

Bolt M6x16

$6.06

Part Number:710-04968

Ships in 1 - 4 business days

Note: Furnish 951-11187, Short Block Assembly

$6.06

Primer

$14.55

Part Number:951-10639B

In Stock, 10 available

Note: Furnish 951-12011, Carburetor Assy

$14.55

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Primer Bulb Only

$10.25

Part Number:951-11824

In Stock, 5 available

$10.25

Throttle Control Knob

$7.24

Part Number:951-11224

In Stock, 3 available

$7.24

Engine Key Switch Assembly

$11.62

Part Number:951-15022

Ships in 1 - 4 business days

$11.62

Key Switch

$13.96

Part Number:951-10637

In Stock, 8 available

Note: (Not Shown)

$13.96

Key

$6.38

Part Number:951-10630

In Stock, 25+ available

Note: (Not Shown)

$6.38

Choke Knob

$6.24

Part Number:951-11302

In Stock, 3 available

$6.24

Muffler Assembly

$120.28

Part Number:951-11195

Ships in 1 - 4 business days

$120.28

Bolt

$5.89

Part Number:710-05051

Ships in 1 - 4 business days

$5.89

Muffler Guard

$22.91

Part Number:908-05051

Ships in 1 - 4 business days

$22.91

Muffler Body

$80.86

Part Number:908-05020

Ships in 1 - 4 business days

$80.86

Gasket, Muffler

$5.79

Part Number:921-04670

Ships in 1 - 4 business days

$5.79

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Gasket

$5.47

Part Number:908-05052

Ships in 1 - 4 business days

$5.47

Nut M8

$5.20

Part Number:912-05044

Ships in 1 - 4 business days

$5.20

Nut, M8

$3.82

Part Number:751-15427

Ships in 1 - 4 business days

$3.82

Exhaust Pipe Gasket

$5.05

Part Number:951-11212A

Ships in 1 - 4 business days

Note: Furnish 951-11331, External Gasket Kit

$5.05

Stud M8x48.5

$5.76

Part Number:710-04964

Ships in 1 - 4 business days

Note: Furnish 951-11329, Cylinder Head Assembly

$5.76

Spark Plug

$7.17

Part Number:951-10292A

In Stock, 25+ available

$7.17

Cylinder Head

$199.59

Part Number:951-14206

Ships in 1 - 4 business days

$199.59

Stud M6-8 X 106

$6.38

Part Number:710-04963

Ships in 1 - 4 business days

Note: Furnish 951-11188, Cylinder Head Assembly

$6.38

Carburetor Insulator Gasket

$4.31

Part Number:951-11225

In Stock, 10 available

Note: Furnish 951-11210, Gasket Kit External

$4.31

Carburetor Gasket

$4.84

Part Number:951-11223

In Stock, 5 available

Note: Furnish 951-11331, External Gasket Kit

$4.84

Carburetor Assembly

$131.14

Part Number:951-05275

Ships in 1 - 4 business days

Note: Hy-178sc With Crankcase Vent Tube

$131.14

Fuel Hose, 3.2?6.5?240

$7.57

Part Number:951-14983

Ships in 1 - 4 business days

$7.57

Gasket, Carburetor

$7.57

Part Number:951-14980

Ships in 1 - 4 business days

$7.57

Heater Box

$25.16

Part Number:951-14728

Ships in 1 - 4 business days

$25.16

Choke Control

$8.37

Part Number:951-11192

Backorder: No ETA

$8.37

Nut

$6.07

Part Number:712-05015

In Stock, 7 available

Note: Without a Numeric Call-Out in Image

$6.07

Gasket, Cylinder Head

$11.95

Part Number:951-12076

In Stock, 1 available

$11.95

Dowel Pin 12x20

$5.61

Part Number:715-04097

Ships in 1 - 4 business days

Note: Furnish 951-11328, Shortblock Assembly

$5.61

Push Rod

$10.19

Part Number:951-14205

Ships in 1 - 4 business days

$10.19

Intake Valve

$18.99

Part Number:951-14203

Ships in 1 - 4 business days

$18.99

Exhaust Valve

$19.45

Part Number:951-14204

Ships in 1 - 4 business days

$19.45

Tappet

$7.49

Part Number:951-11962

Ships in 1 - 4 business days

$7.49

Piston Ring Set

$23.26

Part Number:951-12387

Ships in 1 - 4 business days

$23.26

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Piston Pin Snap Ring

$3.71

Part Number:951-11632

Ships in 1 - 4 business days

Note: Also Available in Kit Below

$3.71

Piston

$33.30

Part Number:951-12043

Ships in 1 - 4 business days

$33.30

Piston Pin

$6.92

Part Number:951-12044

Ships in 1 - 4 business days

$6.92

Connecting Rod Assembly

$68.36

Part Number:951-12066

Ships in 1 - 4 business days

$68.36

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Connecting Rod Bolt

$4.41

Part Number:710-05319

In Stock, 2 available

Note: (Not Shown)

$4.41

Bolt M6x8

$3.48

Part Number:710-05349

Ships in 1 - 4 business days

$3.48

Dipstick Clamp

$7.14

Part Number:951-11320

Ships in 1 - 4 business days

$7.14

Dipstick

$26.56

Part Number:931-05032A

In Stock, 1 available

$26.56

Dipstick

$12.21

Part Number:951-15457

Ships in 1 - 4 business days

$12.21

Dipstick Seat

$12.37

Part Number:931-09317

Ships in 1 - 4 business days

$12.37

Oil Fill Tube O-Ring

$4.61

Part Number:951-12397

Ships in 1 - 4 business days

$4.61

Oil Seal 30x46x8

$14.22

Part Number:951-11372

Ships in 1 - 4 business days

Note: Furnish 951-11187, Short Block Assembly

$14.22

Bolt M8�45

$4.08

Part Number:710-06289

Ships in 1 - 4 business days

$4.08

Bolt M8�38

$5.96

Part Number:710-06061

Ships in 1 - 4 business days

$5.96

Cover Comp, Left Crankcase

$112.07

Part Number:951-12395

Ships in 1 - 4 business days

$112.07

Crankcase Cover Gasket

$13.62

Part Number:951-11374

Ships in 5 - 8 business days

$13.62

Washer 16X24 X 0.5

$3.75

Part Number:736-04545

Ships in 1 - 4 business days

$3.75

Dowel Pin 9 X 12

$5.18

Part Number:715-04102

Ships in 1 - 4 business days

Note: Furnish 951-11328, Shortblock Assembly

$5.18

Radial Ball Bearing

$35.54

Part Number:951-12069

Ships in 1 - 4 business days

$35.54

Camshaft Assy

$89.34

Part Number:951-12072A

Ships in 1 - 4 business days

$89.34

Crankshaft

$212.02

Part Number:951-14201

Ships in 1 - 4 business days

$212.02

Flywheel Key

$2.99

Part Number:751P10307A

In Stock, 3 available

Note: Also Available in Kit Below

$2.99

Oil Plug

$5.70

Part Number:931-09966

Ships in 1 - 4 business days

$5.70

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

O-Ring

$3.71

Part Number:951-11577

In Stock, 1 available

Note: Furnish 951-11246, Crankcase Cover Kit

$3.71

Dowel Pin 9 X 14

$3.84

Part Number:715-04096A

Ships in 1 - 4 business days

$3.84

Governor Gear/Shaft Assembly

$19.00

Part Number:951-12068

Ships in 1 - 4 business days

$19.00

Governor Cup

$4.23

Part Number:931-09778

Ships in 1 - 4 business days

$4.23

Retaining Ring

$3.75

Part Number:916-05005

Ships in 1 - 4 business days

$3.75

100

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

101

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

102

Washer, 6.5x1x13

$4.62

Part Number:936-05053

Ships in 1 - 4 business days

$4.62

105

Hose Clamp-Carb

$3.78

Part Number:951-11700A

Ships in 1 - 4 business days

$3.78

106

Fuel Hose, 3.2?6.5?240

$7.57

Part Number:951-14983

Ships in 1 - 4 business days

$7.57

107

Fuel Tank Shroud

$21.86

Part Number:951-11184

Ships in 1 - 4 business days

$21.86

108

Flange Bolt

$4.99

Part Number:710-04921

Ships in 1 - 4 business days

$4.99

109

Fuel Tank Mounting Bracket

$37.23

Part Number:951-11182

Ships in 1 - 4 business days

$37.23

110

Primer Bracket

$42.01

Part Number:951-11213

Ships in 1 - 4 business days

$42.01

111

Governor Arm

$22.02

Part Number:951-14200

Ships in 1 - 4 business days

$22.02

112

Governor Arm Bolt

$5.94

Part Number:710-04908

Ships in 1 - 4 business days

$5.94

113

Nut

$6.07

Part Number:712-05015

In Stock, 7 available

Note: Without a Numeric Call-Out in Image

$6.07

114

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

115

Bolt M4x55

$6.06

Part Number:710-04965

In Stock, 3 available

Note: Furnish 951-11226, Cylinder Head Kit

$6.06

116

Electric Starter

$376.08

Part Number:951-11196

Backorder: No ETA

$376.08

117

Bolt M8x55

$5.87

Part Number:710-04967

Backorder: No ETA

$5.87

118

Fuel Tank Cap

$21.86

Part Number:951-12533

In Stock, 6 available

$21.86

120

Fuel Tank Assembly

$133.37

Part Number:951-11201

Backorder: No ETA

$133.37

121

Nipple Fuel Tank

$14.68

Part Number:951-10651

In Stock, 19 available

$14.68

122

Flat Washer

$5.72

Part Number:736-04451

Ships in 1 - 4 business days

$5.72

123

Flat Washer

$5.95

Part Number:736-04450

Ships in 1 - 4 business days

$5.95

124

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

125

Fuel Tank Mounting Bracket

$41.97

Part Number:951-11183

Ships in 1 - 4 business days

$41.97

126

Engine Shroud

$23.40

Part Number:951-12385

Ships in 1 - 4 business days

$23.40

127

Cotter Pin

$5.57

Part Number:714-04077

Backorder: No ETA

Note: Furnish 951-11328, Shortblock Assembly

$5.57

128

Washer 8 X 20 X 0.8

$5.61

Part Number:736-04453

Ships in 1 - 4 business days

Note: Furnish 951-11328, Shortblock Assembly

$5.61

129

Governor Seal

$3.75

Part Number:951-11958

In Stock, 1 available

$3.75

130

Governor Gear Shaft

$5.16

Part Number:911-06192

Ships in 1 - 4 business days

$5.16

131

Governor Spring

$3.94

Part Number:951-11202

In Stock, 1 available

$3.94

132

Idle Spring

$7.14

Part Number:951-15476

Ships in 1 - 4 business days

$7.14

133

Throttle Linkage

$3.62

Part Number:951-11204

Ships in 1 - 4 business days

$3.62

134

Oil Seal, 30?46?8

$6.07

Part Number:951-11475

Ships in 1 - 4 business days

$6.07

135

Ignition Coil Assembly

$77.49

Part Number:951-11197A

Ships in 1 - 4 business days

$77.49

137

Alternator Wire Clamp Brkt

$4.67

Part Number:951-11186

Ships in 1 - 4 business days

$4.67

138

Bolt M6x8

$5.57

Part Number:710-04966

Ships in 1 - 4 business days

$5.57

139

Crankcase

$361.01

Part Number:951-14202

Ships in 1 - 4 business days

$361.01

140

Oil Drain Pipe

$8.37

Part Number:951-11350

Backorder: No ETA

Note: Also Available in Kit Below

$8.37

141

Oil Drain Plug Washer

$6.31

Part Number:736-04440A

In Stock, 9 available

Note: Also Available in Kit Below

$6.31

142

Oil Drain Plug

$6.15

Part Number:710-04906

In Stock, 5 available

Note: Also Available in Kit Below

$6.15

143

Ignition Coil Bolt

$3.71

Part Number:710-05350

Ships in 1 - 4 business days

$3.71

144

Charging Coil

$89.81

Part Number:951-15479

Ships in 1 - 4 business days

$89.81

146

Flywheel

$95.74

Part Number:951-15639

Ships in 1 - 4 business days

$95.74

147

Fan,Cooling

$52.33

Part Number:951-11217

Ships in 1 - 4 business days

$52.33

149

Nut, M16x1.5

$7.67

Part Number:712-05169

Ships in 1 - 4 business days

$7.67

150

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

151

Blower Housing

$85.12

Part Number:951-11379

Ships in 1 - 4 business days

$85.12

152

Recoil Starter

$94.14

Part Number:951-11208

Backorder: No ETA

$94.14

153

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

154

Recoil Spring

$10.74

Part Number:932-05127

Ships in 1 - 4 business days

$10.74

155

Recoil Starter Handle

$15.43

Part Number:731-05696

In Stock, 1 available

$15.43

156

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

157

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

158

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

159

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

160

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

161

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

162

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

163

Washer-Flat

$6.24

Part Number:736-04455B

In Stock, 1 available

$6.24

164

Bolt M6 X 10 Gr8

$6.02

Part Number:710-06354

Ships in 1 - 4 business days

$6.02

165

Key

$6.38

Part Number:951-10630

In Stock, 25+ available

Note: (Not Shown)

$6.38

166

Control Panel

$50.29

Part Number:951-11594

Ships in 1 - 4 business days

$50.29

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Lock Washer Obsolete - Not Available

$3.03

Part Number:736-04638

In Stock, 1 available

$3.03

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Bracket Support Assembly Obsolete - Not Available

$2.99

Part Number:0000000

Discontinued

Note: Not Serviceable

Fuel Bowl Gasket

$6.25

Part Number:951-11970

In Stock, 13 available

$6.25

Fuel Bowl Obsolete - Not Available

$6.75

Part Number:908-05000

Discontinued

Fuel Bowl Gasket

$5.33

Part Number:951-11348A

In Stock, 15 available

Note: Furnish 951-11773, Carburetor Kit Major

$5.33

Fuel Bowl Mounting Bolt

$3.84

Part Number:710-04945

In Stock, 2 available

Note: Furnish 951-12011, Carburetor Assy

$3.84

Fuel Drain Plug Gasket

$3.84

Part Number:951-11349A

In Stock, 25+ available

Note: Furnish 951-11773, Carburetor Kit Major

$3.84

Fuel Drain Plug

$3.84

Part Number:710-04938

In Stock, 4 available

Note: Furnish 951-12011, Carburetor Assy

$3.84

Fig #

Cub Cadet 678-SU 278CC Engine Parts