We Sell Only Genuine Tecumseh Parts.

Tecumseh OH318SA-221851B 4 Cycle Horizontal Engine Parts

Find Part by Symptom

Search within model

Questions & Answers

Engine Parts List #1

Engine Parts List #2

Engine Parts List #1

Fig #

Cylinder

$130.75

Part Number: 37251

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$130.75

Dowel Pin

$1.80

Part Number: 27652

In Stock, 3 Available

Ships within 1 business day

$1.80

Screw (1/4-20x1/2)

$2.97

Part Number: 650820

In Stock, 5 Available

Ships within 1 business day

$2.97

Nipple, Oil Drain (4-1/2")

$7.46

Part Number: 31857

In Stock, 1 Available

Ships within 1 business day

$7.46

Extension Cap

$4.43

Part Number: 30969

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$4.43

Washer-Flat

$1.26

Part Number: 28277

In Stock, 1 Available

Ships within 1 business day

$1.26

14A

Washer

$1.39

Part Number: 651057

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

Governor Rod

$13.86

Part Number: 30699C

In Stock, 1 Available

Ships within 1 business day

Note: (Incl. 15a & 15b)

$13.86

15A

Governor Yoke

$1.39

Part Number: 30700

In Stock, 1 Available

Ships within 1 business day

$1.39

15B

Screw (6-40x5/16)

$1.37

Part Number: 650494

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.37

Lever-Governor

$1.44

Part Number: 37255A

In Stock, 1 Available

Ships within 1 business day

$1.44

Governor Lever Clamp

$1.44

Part Number: 29916

Backorder: No ETA.

$1.44

Screw (T-15, 8-32x7/16)

$1.39

Part Number: 651028

Backorder: No ETA.

$1.39

Spring-Extension

$3.99

Part Number: 36281

In Stock, 23 Available

Ships within 1 business day

$3.99

Oil Seal

$3.36

Part Number: 35319

In Stock, 5 Available

Ships within 1 business day

$3.36

Blower Housing Baffle

$9.06

Part Number: 37853

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$9.06

Screw Assembly

$1.25

Part Number: 650561

Backorder: No ETA.

$1.25

Lock Nut, 8-32

$1.39

Part Number: 30322

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

Crankshaft

$111.54

Part Number: 37252

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$111.54

Screw, 10-32x3/4"

$1.44

Part Number: 29826

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

Lock Washer

$1.44

Part Number: 29918

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

Lock Nut, 10-32

$1.39

Part Number: 29216

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

Retaining Ring

$1.44

Part Number: 29642

Backorder: No ETA.

$1.44

Piston, Pin & Ring Set

$1.73

Part Number: 40049

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.73

Piston, Pin And Ring Set (.010 O S)

No Longer Available [ More Info ]

Part Number: 40050

Discontinued

Not Available

Ring Set (Std)

$23.16

Part Number: 40013

In Stock, 1 Available

Ships within 1 business day

$23.16

Ring Set (.010 O S)

$35.01

Part Number: 40014

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$35.01

Piston Pin Retaining Ring

$1.44

Part Number: 27888

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

Connecting Rod Assembly

$39.48

Part Number: 36897A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

Note: (Incl. 47 & 49)

$39.48

Lifter-Valve

$5.36

Part Number: 35313A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$5.36

Dipper-Oil

$1.39

Part Number: 36896

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

Camshaft

No Longer Available [ More Info ]

Part Number: 37517

Discontinued

Not Available

Extension-Housing, Blower

$2.99

Part Number: 35316A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.99

Screw (10-24x9/16)

$1.99

Part Number: 30200

In Stock, 11 Available

Ships within 1 business day

$1.99

Cylinder Cover Gasket

$4.29

Part Number: 37342

In Stock, 1 Available

Ships within 1 business day

$4.29

Cover-Cylinder

$67.47

Part Number: 37847

In Stock, 1 Available

Ships within 1 business day

$67.47

Governor Shaft

$1.62

Part Number: 38017

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.62

Washer

$1.41

Part Number: 651080

Backorder: Unavailable Until 02/03/2020

$1.41

Governor Gear Asm

$7.46

Part Number: 37588

Backorder: No ETA.

$7.46

Governor Spool

$1.44

Part Number: 30588A

In Stock, 1 Available

Ships within 1 business day

$1.44

Retaining Ring

$1.44

Part Number: 29193

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

Screw (1/4-20x1-3/16)

$1.37

Part Number: 650833

Backorder: No ETA.

$1.37

Screw, 1/4-20x1-11/16"

$1.30

Part Number: 650832

Backorder: No ETA.

$1.30

Flywheel Key

$1.89

Part Number: 32589

In Stock, 1 Available

Ships within 1 business day

$1.89

Flywheel Asm

No Longer Available [ More Info ]

Part Number: 611093

Discontinued

Not Available

Belleville Washer

$1.37

Part Number: 650880

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.37

Flywheel Nut

$1.37

Part Number: 650881

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.37

100

Solid State Ignition

$56.94

Part Number: 35135B

In Stock, 8 Available

Ships within 1 business day

$56.94

102

Solid State Mounting Stud

$2.96

Part Number: 651024

Backorder: No ETA.

$2.96

103

Screw, Torx T-15, 10-24x15/16"

$1.33

Part Number: 651007

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.33

110A

Ground Wire

No Longer Available [ More Info ]

Part Number: 37047

Discontinued

Not Available

110

Wire-Ground

$4.56

Part Number: 35187

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$4.56

110B

Ground Wire (6.75" - Black - Female & Ring Terminals)

$2.78

Part Number: 37798

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.78

119

Gasket-Head, Cylinder

$7.38

Part Number: 37256

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$7.38

120

Head-Cylinder

No Longer Available [ More Info ]

Part Number: 37516

Discontinued

Not Available

125

Valve-Exhaust

$31.82

Part Number: 36934

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$31.82

125

Valve-Exhaust

$34.76

Part Number: 36936

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$34.76

126

Valve-Intake

$18.45

Part Number: 36935

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$18.45

126

Intake Valve

$17.89

Part Number: 36937

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$17.89

127

Washer-Flat

$1.43

Part Number: 650691

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.43

130

Screw

$1.43

Part Number: 650697A

Backorder: No ETA.

$1.43

135

Resistor Spark Plug

$2.67

Part Number: 34645

In Stock, 17 Available

Ships within 1 business day

$2.67

150

Spring-Valve

$2.99

Part Number: 33507

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.99

151A

Cap-Spring, Valve

$7.46

Part Number: 35862

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$7.46

151

Keeper-Spring, Valve

$7.46

Part Number: 33508

In Stock, 1 Available

Ships within 1 business day

$7.46

153

Guide-Rod, Push

$2.99

Part Number: 35949

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.99

154

Stud-Arm, Rocker

$1.39

Part Number: 651105

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

155

Arm-Rocker

$5.94

Part Number: 35950

Backorder: No ETA.

$5.94

156

Bearing-Arm, Rocker

$4.43

Part Number: 37843

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$4.43

157

Nut-Jam

$1.37

Part Number: 650586

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.37

158

Rod-Push

$12.11

Part Number: 35466

In Stock, 1 Available

Ships within 1 business day

$12.11

159

Gasket-Cover, Rocker Arm

$4.90

Part Number: 35952

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$4.90

160

Cover-Arm, Rocker

$7.46

Part Number: 35953A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$7.46

161

Screw, T-30 Hex Washer Hd Sems, 1/4-20x1/2

No Longer Available [ More Info ]

Part Number: 30063

Discontinued

Not Available

169

Breather Gasket

$1.14

Part Number: 27896A

In Stock, 22 Available

Ships within 1 business day

$1.14

170

Breather Body

$10.59

Part Number: 28423

In Stock, 1 Available

Ships within 1 business day

$10.59

171

Element-Breather

$2.99

Part Number: 28424

In Stock, 11 Available

Ships within 1 business day

$2.99

172

Cover-Valve

$2.12

Part Number: 38014

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.12

174

Screw, 10-24x1/2"

$4.10

Part Number: 650128

In Stock, 5 Available

Ships within 1 business day

$4.10

178

Nut & Lock Washer, 1/4-28

$1.89

Part Number: 29752

In Stock, 1 Available

Ships within 1 business day

$1.89

180

Extension-Housing, Blower

$5.72

Part Number: 37101

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$5.72

183

Choke Bracket

$5.94

Part Number: 34583A

In Stock, 4 Available

Ships within 1 business day

$5.94

184

Carburetor Intake Gasket

$1.14

Part Number: 33263

In Stock, 21 Available

Ships within 1 business day

$1.14

185

Pipe-Intake

$40.46

Part Number: 37085

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$40.46

186B

Spring-Choke

$1.39

Part Number: 36653

Backorder: No ETA.

$1.39

186

Link-Governor

$1.87

Part Number: 37860

Backorder: No ETA.

$1.87

200

Bracket-Control

$28.13

Part Number: 35702

In Stock, 2 Available

Ships within 1 business day

$28.13

203

Compression Spring

$1.36

Part Number: 31342

In Stock, 1 Available

Ships within 1 business day

$1.36

204

Screw, Torx T-10, 5-40x7/16"

$1.39

Part Number: 651029

Backorder: No ETA.

$1.39

206

Terminal

$5.60

Part Number: 610973

Backorder: No ETA.

$5.60

207

Link-Throttle

$1.39

Part Number: 37262

Backorder: No ETA.

$1.39

212A

Bushing

$1.39

Part Number: 36288

In Stock, 1 Available

Ships within 1 business day

$1.39

212

Bushing Control Lever

$1.44

Part Number: 30773A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

212

Speed Control Lever Bushing

$1.28

Part Number: 36689

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.28

212B

Washer

$1.39

Part Number: 651017

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

213

Screw

$1.33

Part Number: 651056

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.33

215

Knob-Control

$3.99

Part Number: 35440

In Stock, 9 Available

Ships within 1 business day

$3.99

216

R.P.M. Adjusting Lever

$2.77

Part Number: 36690

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.77

217

Lever-Bellcrank

$4.43

Part Number: 37260

Backorder: No ETA.

$4.43

219

Rod-Choke

$2.99

Part Number: 35689

Backorder: No ETA.

$2.99

220

Knob-Control

No Longer Available [ More Info ]

Part Number: 35438

Discontinued

Not Available

222

Screw (10-32x1/2)

$1.37

Part Number: 651081

In Stock, 4 Available

Ships within 1 business day

$1.37

224

Gasket-Pipe

$1.44

Part Number: 33515A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

260

Housing-Blower

$65.22

Part Number: 37092A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$65.22

262

Screw (5/16-18x9/16)

$1.26

Part Number: 651084

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.26

265

Cover-Head, Cylinder

$5.61

Part Number: 37086

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$5.61

266

Screw

$2.74

Part Number: 650876

Backorder: No ETA.

$2.74

269

Gasket-Manifold, Exhaust

$1.44

Part Number: 35762

In Stock, 2 Available

Ships within 1 business day

$1.44

270

Manifold, Exhaust

$32.73

Part Number: 37263

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$32.73

270A

Liner-Port, Exhaust

$4.43

Part Number: 35829A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$4.43

271

Plate-Locking

$1.44

Part Number: 35293

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

275

Muffler

$61.94

Part Number: 37264

Backorder: No ETA.

$61.94

276

Plate-Locking

$3.91

Part Number: 35348

Backorder: No ETA.

$3.91

277A

Screw

$5.88

Part Number: 650877

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$5.88

280

Shield-Heat

$38.51

Part Number: 37265

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$38.51

280A

Shield-Heat, Radiation

$11.73

Part Number: 37106

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$11.73

280B

Baffle-Restrictor, Air

$4.99

Part Number: 37879

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$4.99

285

Starter Cup

$11.44

Part Number: 35985C

In Stock, 1 Available

Ships within 1 business day

$11.44

290

Line-Fuel, Low Permeation (8.62)

$3.10

Part Number: 37962

Backorder: No ETA.

$3.10

290

Line-Fuel, Low Permeation (32.0 Length)

$11.01

Part Number: 37964

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$11.01

292

Fuel Line Clamp

$1.36

Part Number: 26460

In Stock, 25+ Available

Ships within 1 business day

$1.36

293A

Screw, 1/4-20x27/32"

$1.43

Part Number: 650517

Backorder: No ETA.

$1.43

295

Valve-Shut Off, Fuel

$11.34

Part Number: 35857

In Stock, 25+ Available

Ships within 1 business day

$11.34

298

Screw (1/4-15x7/8)

$1.43

Part Number: 650665

In Stock, 5 Available

Ships within 1 business day

$1.43

300A

Tank-Fuel

$62.64

Part Number: 37099A

Backorder: No ETA.

$62.64

301

Cap-Fuel (Black) (1-1/2 I D)

$4.96

Part Number: 37844

In Stock, 25+ Available

Ships within 1 business day

$4.96

302

Extension-Tank, Fuel

$11.41

Part Number: 37098

Backorder: No ETA.

$11.41

305

Tube-Fill, Oil

$4.43

Part Number: 35574

In Stock, 1 Available

Ships within 1 business day

$4.43

307

O-Ring

$1.99

Part Number: 35499

In Stock, 24 Available

Ships within 1 business day

$1.99

308

Fill Tube Clip

$1.39

Part Number: 35539

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

310

Dipstick

$5.94

Part Number: 35700

Backorder: No ETA.

$5.94

314

Screw (1/4-20x3/4)

$1.37

Part Number: 650873

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.37

328

Key

$4.00

Part Number: 35062

In Stock, 3 Available

Ships within 1 business day

Note: (Tech. Eng.)

$4.00

329A

Screw (8-32x23/64)

$1.39

Part Number: 651060

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

335A

Cover-Carburetor

$12.26

Part Number: 37087

Backorder: No ETA.

$12.26

335

Cover-Carburetor

No Longer Available [ More Info ]

Part Number: 37096A

Discontinued

Not Available

338

Screw (10-32x1/2)

$1.37

Part Number: 650821

In Stock, 4 Available

Ships within 1 business day

Note: (Optional)

$1.37

341

Bracket-Tank, Fuel

$429.29

Part Number: 37093

In Stock, 1 Available

Ships within 1 business day

$429.29

342A

Screw

No Longer Available [ More Info ]

Part Number: 792028

Not Available

343

Bracket-Switch, Key

$1.44

Part Number: 35079A

Backorder: No ETA.

$1.44

345

Baffle-Heat

$3.31

Part Number: 37097

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$3.31

350

Primer Button

$8.47

Part Number: 570682A

In Stock, 25+ Available

Ships within 1 business day

$8.47

351A

Primer Line

$2.99

Part Number: 32180C

In Stock, 18 Available

Ships within 1 business day

$2.99

355

Starter Handle (Mitten Grip)

$4.85

Part Number: 590574

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

Note: Included With Starter)

$4.85

361

Screw (T-30, 1/4-20x15/32)

$3.19

Part Number: 650990

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$3.19

369

Screw (12-16x5/8)

$1.39

Part Number: 651032

In Stock, 1 Available

Ships within 1 business day

$1.39

370

Primer Decal

No Longer Available [ More Info ]

Part Number: 36501

Discontinued

Not Available

370

Lubrication Decal

$2.71

Part Number: 36534A

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.71

370

Starter Decal

$1.14

Part Number: 36695

Backorder: No ETA.

$1.14

370

Decal-Hot Surfaces

$1.60

Part Number: 37948

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.60

370

Decal-Start Button, Electric

$1.14

Part Number: 37433

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.14

370

Decal-Choke

No Longer Available [ More Info ]

Part Number: 37226

Discontinued

Not Available

380

Carburetor

$85.12

Part Number: 640169

In Stock, 1 Available

Ships within 1 business day

$85.12

390

Starter-Rewind

$71.31

Part Number: 590789

In Stock, 7 Available

Ships within 1 business day

$71.31

396

Electric Starter Motor Asm (220 Volt)

$284.73

Part Number: 37102

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$284.73

400

Gasket Set

$22.26

Part Number: 37257A

Backorder: No ETA.

$22.26

420

Sae 5W30 4-Cycle Engine Oil

No Longer Available [ More Info ]

Part Number: 730226A

Discontinued

Not Available

420

0w30 Synthetic Oil

No Longer Available [ More Info ]

Part Number: 730263

Discontinued

Not Available

477

Screw

$1.44

Part Number: 650971

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.44

704

Screw, 1/4-20x5/8"

$2.96

Part Number: 650738

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$2.96

999

Winter Maintenance Kit

$17.02

Part Number: 730286

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$17.02

999

Winter Maintenance Kit

$19.35

Part Number: 730296

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$19.35

Engine Parts List #2

Fig #

72A

Plug-Pipe

$1.39

Part Number: 28582

Ships In 5 - 11 Business Days

Ships in 5 - 11 business days

$1.39

315

Alternator Coil (18 Watt) Same as 611111, (4-Pin Connector)

$25.97

Part Number: 611313

Backorder: No ETA.

$25.97

Search within model

Questions & Answers

Discuss | Repair Videos

Find Part By Symptom

Choose a symptom to view parts that fix it.

38%

25%

21%

16%

Find Part by Symptom

Popular Parts

Cap-Fuel (Black) (1-1/2 I D)

$4.96

$1.36

$11.34

$2.99

$8.47

$3.99

$3.99

Carburetor Intake Gasket

$1.14