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Lawn Boy Lawn Mower Engine Parts

Looking for parts for your Lawn Boy Lawn Mower? RepairClinic.com has the appliance parts, lawn equipment parts and heating/cooling parts you need!
Lawn Mower has been selected. If you need parts for the Lawn Mower engine, please select the Small Engine product type from the list box above.

Lawn Boy Lawn Mower Push Rod

RepairClinic Item # 1567948

Grid is 1 inch square
Push Rod - Part # 1567948 Mfg Part # 692003

Rod-push (intake)

Genuine OEM Part - Manufacturer #692003

$5.50

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365 Day Return Policy

Lawn Boy Lawn Mower Push Rod

RepairClinic Item # 1658813

Grid is 1 inch square
Push Rod - Part # 1658813 Mfg Part # 13116-7002

Rod-push

Genuine OEM Part - Manufacturer #13116-7002

$2.75

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365 Day Return Policy

Lawn Boy Lawn Mower Push Rod

RepairClinic Item # 1611029

Grid is 1 inch square
Push Rod - Part # 1611029 Mfg Part # 692011

Rod-push (exhaust)

Genuine OEM Part - Manufacturer #692011

$5.50

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365 Day Return Policy

Lawn Boy Lawn Mower Intake Manifold

RepairClinic Item # 1567993

Grid is 1 inch square
Intake Manifold - Part # 1567993 Mfg Part # 794305

Manifold-intake

Genuine OEM Part - Manufacturer #794305

$12.00

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365 Day Return Policy

Lawn Boy Lawn Mower Governor Arm

RepairClinic Item # 1646703

Air Vane Arm

Genuine OEM Part - Manufacturer #790848

$6.50

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Retainer

RepairClinic Item # 1734912

Grid is 1 inch square
Valve Retainer - Part # 1734912 Mfg Part # 12011-2056

Collet

Genuine OEM Part - Manufacturer #12011-2056

$0.60

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365 Day Return Policy

Lawn Boy Lawn Mower Rocker Pivot

RepairClinic Item # 1611027

Grid is 1 inch square
Rocker Pivot - Part # 1611027 Mfg Part # 691986

Adjuster-rocker arm

Genuine OEM Part - Manufacturer #691986

$7.25

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365 Day Return Policy

Lawn Boy Lawn Mower Flywheel Fan

RepairClinic Item # 1611254

Grid is 1 inch square
Flywheel Fan - Part # 1611254 Mfg Part # 796201

Fan-flywheel

Genuine OEM Part - Manufacturer #796201

$18.50

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Spring Retainer

RepairClinic Item # 1658935

Grid is 1 inch square
Valve Spring Retainer - Part # 1658935 Mfg Part # 31673

Valve retainer

Genuine OEM Part - Manufacturer #31673

$1.25

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365 Day Return Policy

Lawn Boy Lawn Mower Rocker Arm

RepairClinic Item # 1610996

Grid is 1 inch square
Rocker Arm - Part # 1610996 Mfg Part # 691751

Rocker arm

Genuine OEM Part - Manufacturer #691751

$5.00

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365 Day Return Policy

Lawn Boy Lawn Mower Breather

RepairClinic Item # 3533444

Grid is 1 inch square
Breather - Part # 3533444 Mfg Part # 36557A

Breather tube kit

Genuine OEM Part - Manufacturer #36557A

$13.50

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365 Day Return Policy

Lawn Boy Lawn Mower Cylinder Head

RepairClinic Item # 1611251

Grid is 1 inch square
Cylinder Head - Part # 1611251 Mfg Part # 796026

Cylinder head. If the cylinder head gaskets are worn out, the engine may not start.

Genuine OEM Part - Manufacturer #796026

$150.00

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365 Day Return Policy

Lawn Boy Lawn Mower Rocker Pivot

RepairClinic Item # 1796447

Exhaust valve rocker arm (Nut and bolt are sold separately)

Genuine OEM Part - Manufacturer #14441-Z0J-000

$4.35

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365 Day Return Policy

Lawn Boy Lawn Mower Cylinder Head

RepairClinic Item # 4337776

Grid is 1 inch square
Cylinder Head - Part # 4337776 Mfg Part # 594989

Cylinder head kit with new gasket and spark plug

Genuine OEM Part - Manufacturer #594989

$30.00

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365 Day Return Policy

Lawn Boy Lawn Mower Governor Gear

RepairClinic Item # 1611025

Grid is 1 inch square
Governor Gear - Part # 1611025 Mfg Part # 691968

Slinger-govoner/oil

Genuine OEM Part - Manufacturer #691968

$25.00

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365 Day Return Policy

Lawn Boy Lawn Mower Breather

RepairClinic Item # 2119856

Breather assembly

Genuine OEM Part - Manufacturer #590395

$8.00

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365 Day Return Policy

Lawn Boy Lawn Mower Governor Gear

RepairClinic Item # 1658922

Grid is 1 inch square
Governor Gear - Part # 1658922 Mfg Part # 30591

Gear

Genuine OEM Part - Manufacturer #30591

$9.95

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365 Day Return Policy

Lawn Boy Lawn Mower Connecting Rod

RepairClinic Item # 1611231

Grid is 1 inch square
Connecting Rod - Part # 1611231 Mfg Part # 794122

Rod-connecting

Genuine OEM Part - Manufacturer #794122

$45.00

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365 Day Return Policy

Lawn Boy Lawn Mower Governor Gear

RepairClinic Item # 1658921

Grid is 1 inch square
Governor Gear - Part # 1658921 Mfg Part # 30588A

Governor Spool

Genuine OEM Part - Manufacturer #30588A

$1.30

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Spring Retainer

RepairClinic Item # 1610820

Grid is 1 inch square
Valve Spring Retainer - Part # 1610820 Mfg Part # 499586

Keeper-valve

Genuine OEM Part - Manufacturer #499586

$4.75

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365 Day Return Policy

Lawn Boy Lawn Mower Rocker Arm

RepairClinic Item # 1734931

Grid is 1 inch square
Rocker Arm - Part # 1734931 Mfg Part # 12016-7007

Arm-rocker

Genuine OEM Part - Manufacturer #12016-7007

$5.10

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Tappet

RepairClinic Item # 1734994

Grid is 1 inch square
Valve Tappet - Part # 1734994 Mfg Part # 12032-7001

Tappet

Genuine OEM Part - Manufacturer #12032-7001

$5.75

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365 Day Return Policy

Lawn Boy Lawn Mower Exhaust Valve

RepairClinic Item # 1611225

Grid is 1 inch square
Exhaust Valve - Part # 1611225 Mfg Part # 792868

Valve-exhaust

Genuine OEM Part - Manufacturer #792868

$20.25

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365 Day Return Policy

Lawn Boy Lawn Mower Piston Ring Set

RepairClinic Item # 1610692

Grid is 1 inch square
Piston Ring Set - Part # 1610692 Mfg Part # 298982

Ring Set, 450-550 Series, 3, 3.75, 4 & 5 HP Horizontal/Vertical, Models 90000, 10A900, 130000

Genuine OEM Part - Manufacturer #298982

$20.50

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365 Day Return Policy

Lawn Boy Lawn Mower Breather

RepairClinic Item # 1611210

Grid is 1 inch square
Breather - Part # 1611210 Mfg Part # 791779

Breather assembly

Genuine OEM Part - Manufacturer #791779

$10.00

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Spring Retainer

RepairClinic Item # 1658806

Grid is 1 inch square
Valve Spring Retainer - Part # 1658806 Mfg Part # 12009-7001

Retainer-valve spring

Genuine OEM Part - Manufacturer #12009-7001

$3.15

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Spring Retainer

RepairClinic Item # 1611052

Grid is 1 inch square
Valve Spring Retainer - Part # 1611052 Mfg Part # 692194

Valve spring retainer

Genuine OEM Part - Manufacturer #692194

$3.50

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Tappet

RepairClinic Item # 1643256

Grid is 1 inch square
Valve Tappet - Part # 1643256 Mfg Part # 691811

Tappet-valve

Genuine OEM Part - Manufacturer #691811

$5.50

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365 Day Return Policy

Lawn Boy Lawn Mower Timing Gear

RepairClinic Item # 1648282

Grid is 1 inch square
Timing Gear - Part # 1648282 Mfg Part # 797521

Gear-timing

Genuine OEM Part - Manufacturer #797521

$7.20

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365 Day Return Policy

Lawn Boy Lawn Mower Cylinder Head

RepairClinic Item # 1728454

Grid is 1 inch square
Cylinder Head - Part # 1728454 Mfg Part # 37714

Cylinder head

Genuine OEM Part - Manufacturer #37714

$26.60

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365 Day Return Policy

Lawn Boy Lawn Mower Piston Ring Set

RepairClinic Item # 1658808

Grid is 1 inch square
Piston Ring Set - Part # 1658808 Mfg Part # 13008-6058

Ring-set-piston

Genuine OEM Part - Manufacturer #13008-6058

$59.70

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365 Day Return Policy

Lawn Boy Lawn Mower Breather

RepairClinic Item # 1610791

Grid is 1 inch square
Breather - Part # 1610791 Mfg Part # 495735

Breather assembly

Genuine OEM Part - Manufacturer #495735

$30.00

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365 Day Return Policy

Lawn Boy Lawn Mower Governor Shaft

RepairClinic Item # 1658920

Grid is 1 inch square
Governor Shaft - Part # 1658920 Mfg Part # 30574A

Gov shaft

Genuine OEM Part - Manufacturer #30574A

$1.75

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365 Day Return Policy

Lawn Boy Lawn Mower Piston Ring Set

RepairClinic Item # 1730421

Grid is 1 inch square
Piston Ring Set - Part # 1730421 Mfg Part # 40006

Ring set

Genuine OEM Part - Manufacturer #40006

$30.60

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365 Day Return Policy

Lawn Boy Lawn Mower Cylinder Head

RepairClinic Item # 1732103

Grid is 1 inch square
Cylinder Head - Part # 1732103 Mfg Part # 11008-7023

Cylinder head #2

Genuine OEM Part - Manufacturer #11008-7023

$169.55

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365 Day Return Policy

Lawn Boy Lawn Mower Intake Valve

RepairClinic Item # 1734803

Grid is 1 inch square
Intake Valve - Part # 1734803 Mfg Part # 12004-7002

Valve-intake

Genuine OEM Part - Manufacturer #12004-7002

$13.40

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365 Day Return Policy

Lawn Boy Lawn Mower Timing Gear

RepairClinic Item # 1796145

Pulley, camshaft

Genuine OEM Part - Manufacturer #14320-ZL8-010

$17.40

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365 Day Return Policy

Lawn Boy Lawn Mower Flywheel

RepairClinic Item # 1611106

Grid is 1 inch square
Flywheel - Part # 1611106 Mfg Part # 693557

Flywheel kit

Genuine OEM Part - Manufacturer #693557

$142.00

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365 Day Return Policy

Lawn Boy Lawn Mower Flywheel

RepairClinic Item # 1643375

Flywheel assembly

Genuine OEM Part - Manufacturer #691987

$75.00

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365 Day Return Policy

Lawn Boy Lawn Mower Breather

RepairClinic Item # 1644568

Breather Reed

Genuine OEM Part - Manufacturer #697124

$3.60

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365 Day Return Policy

Lawn Boy Lawn Mower Engine Brake

RepairClinic Item # 1652069

Engine brake assembly

Genuine OEM Part - Manufacturer #796136

Lawn Boy Lawn Mower Intake Valve

RepairClinic Item # 1611215

Grid is 1 inch square
Intake Valve - Part # 1611215 Mfg Part # 791935

Valve-intake

Genuine OEM Part - Manufacturer #791935

$16.00

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365 Day Return Policy

Lawn Boy Lawn Mower Rocker Pivot

RepairClinic Item # 1796401

Arm, intake valve rocker

Genuine OEM Part - Manufacturer #14431-Z0J-000

$4.25

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365 Day Return Policy

Lawn Boy Lawn Mower Exhaust Valve

RepairClinic Item # 1728847

Grid is 1 inch square
Exhaust Valve - Part # 1728847 Mfg Part # 36471

Ex valve std

Genuine OEM Part - Manufacturer #36471

$9.85

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365 Day Return Policy

Lawn Boy Lawn Mower Valve Spring Retainer

RepairClinic Item # 1610928

Grid is 1 inch square
Valve Spring Retainer - Part # 1610928 Mfg Part # 690656

Valve spring retainer

Genuine OEM Part - Manufacturer #690656

$3.25

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365 Day Return Policy

Lawn Boy Lawn Mower Piston Ring Set

RepairClinic Item # 1647754

Grid is 1 inch square
Piston Ring Set - Part # 1647754 Mfg Part # 795431

Ring set

Genuine OEM Part - Manufacturer #795431

$27.55

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365 Day Return Policy

Lawn Boy Lawn Mower Exhaust Valve

RepairClinic Item # 1658805

Grid is 1 inch square
Exhaust Valve - Part # 1658805 Mfg Part # 12005-7004

Valve-exhaust

Genuine OEM Part - Manufacturer #12005-7004

$25.40

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365 Day Return Policy

Lawn Boy Lawn Mower Intake Manifold

RepairClinic Item # 1611099

Grid is 1 inch square
Intake Manifold - Part # 1611099 Mfg Part # 693446

Manifold-intake

Genuine OEM Part - Manufacturer #693446

$7.75

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365 Day Return Policy

Lawn Boy Lawn Mower Exhaust Valve

RepairClinic Item # 1728853

Grid is 1 inch square
Exhaust Valve - Part # 1728853 Mfg Part # 37288

Exhaust valve (standard)

Genuine OEM Part - Manufacturer #37288

$8.05

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365 Day Return Policy

Lawn Boy Lawn Mower Exhaust Valve

RepairClinic Item # 2119855

Grid is 1 inch square
Exhaust Valve - Part # 2119855 Mfg Part # 590394

Valve-exhaust

Genuine OEM Part - Manufacturer #590394

$14.00

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365 Day Return Policy