MTD Parts

MTD Engine Replacement Parts For Model 4P90MU

We Sell Only Genuine MTD Parts

Popular Parts for 4P90MU

Search Within Model

Questions & Answers for MTD 4P90MU
Browse all Parts Search by Area
4P90Mu_Air_Intake Diagram and Parts List for  MTD Engine
4P90Mu_Air_Intake
4P90Mu_Carburetor_Assembly Diagram and Parts List for  MTD Engine
4P90Mu_Carburetor_Assembly
4P90Mu_Crankcase Diagram and Parts List for  MTD Engine
4P90Mu_Crankcase
4P90Mu_Crankshaft_And_Crankcase_Cover Diagram and Parts List for  MTD Engine
4P90Mu_Crankshaft_And_Crankcase_Cover
4P90Mu_Cylinder_Head Diagram and Parts List for  MTD Engine
4P90Mu_Cylinder_Head
4P90Mu_Engine_Shroud Diagram and Parts List for  MTD Engine
4P90Mu_Engine_Shroud
4P90Mu_Ignition_And_Electrical Diagram and Parts List for  MTD Engine
4P90Mu_Ignition_And_Electrical
4P90Mu_Muffler_Assembly Diagram and Parts List for  MTD Engine
4P90Mu_Muffler_Assembly
4P90Mu_Starter_Assembly Diagram and Parts List for  MTD Engine
4P90Mu_Starter_Assembly
Previous Showing All Parts Next
4P90Mu_Air_Intake
4P90Mu_Air_Intake Diagram and Parts List for  MTD Engine
4P90Mu_Carburetor_Assembly
4P90Mu_Carburetor_Assembly Diagram and Parts List for  MTD Engine
4P90Mu_Crankcase
4P90Mu_Crankcase Diagram and Parts List for  MTD Engine
4P90Mu_Crankshaft_And_Crankcase_Cover
4P90Mu_Crankshaft_And_Crankcase_Cover Diagram and Parts List for  MTD Engine
4P90Mu_Cylinder_Head
4P90Mu_Cylinder_Head Diagram and Parts List for  MTD Engine
4P90Mu_Engine_Shroud
4P90Mu_Engine_Shroud Diagram and Parts List for  MTD Engine
  • F-1
    Shroud Cover – Part Number: 951-12311
    Shroud Cover
    Part Number: 951-12311
      Special Order
    $40.66
  • F-2
    Nut – Part Number: 712-04290
    Nut
    Part Number: 712-04290
      Special Order
    $6.45
  • F-3
    Shroud Spacer – Part Number: 750-05320
    Shroud Spacer
    Part Number: 750-05320
      In Stock
    $6.45
  • F-4
    Starter / Shroud Stud M6100 – Part Number: 710-05304
    Starter / Shroud Stud M6100
    Part Number: 710-05304
      Special Order
    $6.16
  • F-5
    FLEXIBLE CLAMP – Part Number: 951-11622A
    FLEXIBLE CLAMP
    Part Number: 951-11622A
      Special Order
    $6.20
  • F-6
    Hook Bolt – Part Number: 710-05305
    Hook Bolt
    Part Number: 710-05305
      Special Order
    $6.45
  • F-7
    Engine Shroud W/sp – Part Number: 951-12206A
    Engine Shroud W/sp
    Part Number: 951-12206A
      In Stock
    $83.05
4P90Mu_Ignition_And_Electrical
4P90Mu_Ignition_And_Electrical Diagram and Parts List for  MTD Engine
  • G-38
    Bolt - M6 X 28 Zin – Part Number: 710-04931
    Bolt - M6 X 28 Zin
    Part Number: 710-04931
      Special Order
    $10.36
  • G-39
    Ignition Coil Assembly – Part Number: 951-12220
    Ignition Coil Assembly
    Part Number: 951-12220
      Special Order
    $113.28
  • G-40
    Nut-m16-1.5 – Part Number: 712-04220
    Nut-m16-1.5
    Part Number: 712-04220
      In Stock
    $10.13
  • G-41
    Plate – Part Number: 951-12221
    Plate
    Part Number: 951-12221
      Special Order
    $17.38
  • G-42
    COOLING FAN – Part Number: 951-12222B
    COOLING FAN
    Part Number: 951-12222B
      Special Order
    $74.51
  • G-43
    Flywheel – Part Number: 951-12223
    Flywheel
    Part Number: 951-12223
      Special Order
    $279.39
  • G-44
    Coil Assy.,Charge – Part Number: 951-12224
    Coil Assy.,Charge
    Part Number: 951-12224
      Special Order
    $119.12
  • G-45
    Bolt, Flange, 6x10 – Part Number: 710-04940
    Bolt, Flange, 6x10
    Part Number: 710-04940
      Special Order
    $8.27
  • G-46
    Cowl – Part Number: 951-12279
    Cowl
    Part Number: 951-12279
      Special Order
    $23.44
4P90Mu_Muffler_Assembly
4P90Mu_Muffler_Assembly Diagram and Parts List for  MTD Engine
  • H-48
    Bolt – Part Number: 710-04916
    Bolt
    Part Number: 710-04916
      Special Order
    $7.00
  • H-158
    Nut, M8 x 1.25 – Part Number: 712-04219
    Nut, M8 x 1.25
    Part Number: 712-04219
      Special Order
    $9.70
  • H-159
    Muffler Assembly – Part Number: 951-12270
    Muffler Assembly
    Part Number: 951-12270
      Special Order
    $179.91
  • H-160
    Exhaust Pipe Gasket – Part Number: 951-12271
    Exhaust Pipe Gasket
    Part Number: 951-12271
      Special Order
    $9.95
  • H-161
    Muff Stud M8n++47 – Part Number: 951-12272
    Muff Stud M8n++47
    Part Number: 951-12272
      Special Order
    $6.32
  • H-161
    Muffler Stud Assembly – Part Number: 951-12196
    Muffler Stud Assembly
    Part Number: 951-12196
      Special Order
    $13.45
  • H-190
    Wire Mesh Shield – Part Number: 951-12278
    Wire Mesh Shield
    Part Number: 951-12278
      Special Order
    $60.25
  • H-191
    Bolt – Part Number: 710-05051
    Bolt
    Part Number: 710-05051
      Special Order
    $10.17
4P90Mu_Starter_Assembly
4P90Mu_Starter_Assembly Diagram and Parts List for  MTD Engine
  • I-8
    Bolt M8x40 – Part Number: 710-05306
    Bolt M8x40
    Part Number: 710-05306
      Special Order
    $6.16
  • I-9
    STARTER ASSEMBLY ( – Part Number: 751P12207A
    STARTER ASSEMBLY (
    Part Number: 751P12207A
      Special Order
    $255.39
  • I-10
    Screw M5x25 – Part Number: 710-05307
    Screw M5x25
    Part Number: 710-05307
      Special Order
    $6.16
  • I-11
    Lock Washer 5 – Part Number: 736-04554
    Lock Washer 5
    Part Number: 736-04554
      Special Order
    $6.16
  • I-12
    Choke Shaft Washer – Part Number: 736-04556
    Choke Shaft Washer
    Part Number: 736-04556
      Special Order
    $6.45
  • I-13
    Electrical Starter Front Cover – Part Number: 951-12208
    Electrical Starter Front Cover
    Part Number: 951-12208
      Special Order
    $36.05
  • I-14
    Bearing – Part Number: 951-12211
    Bearing
    Part Number: 951-12211
      Special Order
    $6.45
  • I-15
    Pinion/Clutch Assembly – Part Number: 951-12210
    Pinion/Clutch Assembly
    Part Number: 951-12210
      Special Order
    $116.30
  • I-16
    Gear – Part Number: 951-12312
    Gear
    Part Number: 951-12312
      Special Order
    $17.38
  • I-17
    Bearing – Part Number: 951-12209
    Bearing
    Part Number: 951-12209
      Special Order
    $6.45
  • I-18
    Pinion Cover – Part Number: 951-12212
    Pinion Cover
    Part Number: 951-12212
      Special Order
    $56.32
  • I-19
    Bearing 6001Zz – Part Number: 951-12214
    Bearing 6001Zz
    Part Number: 951-12214
      Special Order
    $22.81
  • I-21
    Bearing – Part Number: 951-12216
    Bearing
    Part Number: 951-12216
      Special Order
    $18.26
  • I-23
    Starter Housing Assembly – Part Number: 951-12528
    Starter Housing Assembly
    Part Number: 951-12528
      Special Order
    $125.59
  • I-24
    Screw – Part Number: 951-12217
    Screw
    Part Number: 951-12217
      Special Order
    $6.16
  • I-25
    Lock Washer 5 – Part Number: 736-04554
    Lock Washer 5
    Part Number: 736-04554
      Special Order
    $6.16
  • I-28
    Brush Assembly – Part Number: 951-12529
    Brush Assembly
    Part Number: 951-12529
      Special Order
    $84.41
  • I-29
    Electrical Starter Back Cover – Part Number: 951-12219
    Electrical Starter Back Cover
    Part Number: 951-12219
      Special Order
    $32.20
  • I-30
    Bolt M6x100 – Part Number: 710-05308
    Bolt M6x100
    Part Number: 710-05308
      Special Order
    $6.16
  • I-31
    Bolt M6x30 Assembly – Part Number: 951-12324
    Bolt M6x30 Assembly
    Part Number: 951-12324
      In Stock
    $6.16
  • I-33
    Insulation Washer – Part Number: 736-04555
    Insulation Washer
    Part Number: 736-04555
      Special Order
    $6.16
  • I-34
    Choke Shaft Washer – Part Number: 736-04556
    Choke Shaft Washer
    Part Number: 736-04556
      Special Order
    $6.45
  • I-35
    Lock Washer – Part Number: 736-04477
    Lock Washer
    Part Number: 736-04477
      Special Order
    $9.61
  • I-36
    Nut – Part Number: 712-05015
    Nut
    Part Number: 712-05015
      Special Order
    $10.48
  • I-37
    Dowel Pin 10n++14 – Part Number: 715-04120
    Dowel Pin 10n++14
    Part Number: 715-04120
      Special Order
    $6.45

Questions & Answers

?

Our customer Service team is at the ready daily to answer your part and product questions.

We're sorry, but our Q&A experts are temporarily unavailable.
Please check back later if you still haven't found the answer you need.

Ask our Team

We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.