Lawn & Garden Engine

Model # 121700 TO 121799 (4000-4003) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121700 TO 121799 (4000-4003) engine, as well as links to manuals and error code tables, if available.

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Browse Parts for121700 TO 121799 (4000-4003) Engine

  • Lawn & Garden Equipment Engine Air Filter 491588
    #967

    Filter/base - air cleaner diagram

    Lawn & garden equipment engine air filter

    Part #491588

    Replaced by #491588S

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    This part replaces 491588. Substitute parts can look different from the original.
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    $9.21
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  • Carburetor Primer 496115
    #387

    Filter/base - air cleaner diagram

    Carburetor primer

    Part #496115

    Replaced by #694395

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    This part replaces 496115. Substitute parts can look different from the original.
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    $5.09
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  • Carburetor 492495
    #121A

    Gasket set/carburetor kit diagram

    Carburetor

    Part #492495

    Replaced by #498260

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  • Carburetor 490937
    #977

    Gasket set/carburetor kit diagram

    Carburetor

    Part #490937

    Replaced by #498260

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    This part replaces 490937. Substitute parts can look different from the original.
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  • Carburetor Kit 493762
    #121

    Gasket set/carburetor kit diagram

    Carburetor kit

    Part #493762

    Replaced by #498260

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    This part replaces 493762. Substitute parts can look different from the original.
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  • Fuel Cap 397974
    #957

    Seal, o-ring/lin-fuel diagram

    Fuel cap

    Part #397974

    Replaced by #796577

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    This part replaces 397974. Substitute parts can look different from the original.
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  • Fuel Tank Cap 494277
    #957B

    Seal, o-ring/lin-fuel diagram

    Fuel tank cap

    Part #494277

    Replaced by #796577

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    This part replaces 494277. Substitute parts can look different from the original.
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  • Fuel Tank Cap 493017
    #957A

    Seal, o-ring/lin-fuel diagram

    Fuel tank cap

    Part #493017

    Replaced by #796577

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    This part replaces 493017. Substitute parts can look different from the original.
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  • Spark Plug 298809
    #337

    Cylinder/intake - manifold diagram

    Spark plug

    Part #298809

    Replaced by #796112S

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    Manufacturer substitution
    This part replaces 298809. Substitute parts can look different from the original.
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    $5.24
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  • Spark Plug 293918
    #337B

    Cylinder/intake - manifold diagram

    Spark plug

    Part #293918

    Replaced by #796112S

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    Manufacturer substitution
    This part replaces 293918. Substitute parts can look different from the original.
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    This item is not returnable
    $5.24
    16% OFF Phone Price : $6.24
    In Stock

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