Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Briggs & Stratton 31P877-0121-E1 engine

Briggs & Stratton 31P877-0121-E1 engine Parts

Here are the diagrams and repair parts for Briggs & Stratton 31P877-0121-E1 engine, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 31P877-0121-E1 Engine

  • Briggs & Statton Lawn & Garden Equipment Engine Crankshaft Counterweight for Briggs & Stratton 31P877-0121-E1 - Part 793763

    #758

    All parts diagram

    Briggs & Statton Cter Wgt

    Part #697134

    Replaced by #793763

    Info Icon
    Manufacturer substitution
    This part replaces 697134. Substitute parts can look different from the original.
    In Stock
    $129.00
    23% OFF Was : $168.06Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Oil Pump Kit for Briggs & Stratton 31P877-0121-E1 - Part 794644

    #1035

    All parts diagram

    Briggs & Statton Pump Shaft

    Part #693784

    Replaced by #794644

    Info Icon
    Manufacturer substitution
    This part replaces 693784. Substitute parts can look different from the original.
    In Stock
    $58.82
    9% OFF Phone Price : $64.82Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Cylinder Assembly for Briggs & Stratton 31P877-0121-E1 - Part 796010

    #1

    All parts diagram

    Briggs & Statton Cylinder

    Part #697174

    Replaced by #796010

    Info Icon
    Manufacturer substitution
    This part replaces 697174. Substitute parts can look different from the original.
    In Stock
    $595.18
    $12.00 OFF Phone Price : $607.18Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Carburetor Bushing And Oil Seal, Upper for Briggs & Stratton 31P877-0121-E1 - Part 797673

    #2

    All parts diagram

    Briggs & Statton Bushing

    Part #399265

    Replaced by #797673

    Info Icon
    Manufacturer substitution
    This part replaces 399265. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $32.63
    16% OFF Phone Price : $38.63Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Breather Body for Briggs & Stratton 31P877-0121-E1 - Part 794682

    #584

    All parts diagram

    Briggs & Statton Breather Cover

    Part #697112

    Replaced by #794682

    Info Icon
    Manufacturer substitution
    This part replaces 697112. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $19.18
    9% OFF Phone Price : $21.18Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Lawn & Garden Equipment Engine Piston Ring Set for Briggs & Stratton 31P877-0121-E1 - Part 594437

    #26

    All parts diagram

    Briggs & Statton Standard Ring Set

    Part #791936

    Replaced by #594437

    Info Icon
    Manufacturer substitution
    This part replaces 791936. Substitute parts can look different from the original.
    In Stock
    $92.02
    6% OFF Phone Price : $98.02Info Icon
    Minus Item
    Qty
    Plus Item
  • Briggs & Stratton Lawn & Garden Equipment Engine Hex Screw for Briggs & Stratton 31P877-0121-E1 - Part 84001963

    #13

    All parts diagram

    Briggs & Statton Lawn & Garden Equipment Engine Hex Screw

    Part #690360

    Replaced by #84001963

    Info Icon
    Manufacturer substitution
    This part replaces 690360. Substitute parts can look different from the original.
    In Stock
    $29.99
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Valve, Exhau for Briggs & Stratton 31P877-0121-E1 - Part 84012919

    #33

    All parts diagram

    Briggs & Statton Exhaust Valve

    Part #695760

    Replaced by #84012919

    Info Icon
    Manufacturer substitution
    This part replaces 695760. Substitute parts can look different from the original.
    In Stock
    $47.49
    Minus Item
    Qty
    Plus Item
  • Briggs & Statton Crankshaft for Briggs & Stratton 31P877-0121-E1 - Part 697127

    #16

    All parts diagram

    Briggs & Statton Crankshaft

    Part #697127

    The manufacturer no longer makes this part, and there's no substitute part

  • Briggs & Statton Lawn & Garden Equipment Engine Fuel Pump Assembly for Briggs & Stratton 31P877-0121-E1 - Part 697090

    #387

    All parts diagram

    Briggs & Statton Lawn & Garden Equipment Engine Fuel Pump Assembly

    Part #697090

    The manufacturer no longer makes this part, and there's no substitute part

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer electronic control board

How to replace a freezer electronic control board

The electronic control board manages the compressor to control freezer temperature. Replace the control board using the…

Repair time and Difficulty

 45 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair time and Difficulty

 45 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Parts & More

Air Compressor
Dehumidifier
Dishwasher
Gas Grill
Mechanical Sewing Machine
Painting Power Tool
Parts
Upright Freezer
Upright Vacuum