John Deere AM104506 Starter Motor for 420 Lawn and Garden Tractor
EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.
Part-number relationships
Relationship
Reference family
Number
Primary Manufacturer Part Number
JOHN DEERE
AM104506
Cross-reference (fitment check required)
ARROWHEAD
SMT0181
Cross-reference (fitment check required)
ARROWHEAD
410-48129
Cross-reference (fitment check required)
J&N Electrical Products
410-48129
Cross-reference (fitment check required)
JOHN DEERE
AM102777
Cross-reference (fitment check required)
JOHN DEERE
AM109172
Cross-reference (fitment check required)
LESTER
17333
Cross-reference (fitment check required)
ONAN
191-1682-02
Cross-reference (fitment check required)
ONAN
191-1808-02
Cross-reference (fitment check required)
ONAN
191-1949-02
Product fitment guide
Part numbers and compatible models
Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.
Part identification
Reference numbers
Primary number
AM104506
Cross-reference (fitment check required)
SMT0181
410-48129
AM102777
AM109172
17333
191-1682-02
191-1808-02
191-1949-02
Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.
Product summary
12V 9T CCW Starter Motor
Category
Starter Motors
Catalog ID
91001123
Illustration views
1
Before ordering
Confirm these details
Confirm voltage and power rating against the original starter nameplate.
Compare mounting-hole pattern, flange position and overall body orientation.
Confirm pinion tooth count and rotation where those values are specified.
Verify the engine model and machine serial range before ordering.
ONAN B43E: Equipment type: Engine; Year: 1979 - On
ONAN B43G: Equipment type: Engine; Year: 1979 - On
ONAN B48G: Equipment type: Engine; Year: 1979 - On
Fitment / evidence notes
Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Common questions about AM104506
Which machines use AM104506?
Recorded compatible model references include JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1984, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1985, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1986, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1987, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1988, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1989, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1990, JOHN DEERE 316: Equipment type: Tractors - Lawn; Engine: Onan B43E Engine; Year: 1991 and 23 additional models shown on this page. Recorded fitment/evidence notes: Fitment limitation: Confirm the original part number, electrical rating, pinion or pulley, terminals, mounting geometry and equipment serial range before ordering. Confirm the complete part number and machine serial range before ordering.
What numbers are documented for AM104506?
Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.
How do I confirm AM104506 before ordering?
Confirm voltage and power rating against the original starter nameplate. Compare mounting-hole pattern, flange position and overall body orientation. Confirm pinion tooth count and rotation where those values are specified. Send clear photos of the original unit and connector layout when requesting a quote.
