![Briggs and Stratton Engine Replacement For Model 31R977-0026-B1](images/briggs_and_stratton_logo.png)
Briggs and Stratton Engine Replacement Parts For Model 31R977-0026-B1
Find Briggs and Stratton 31R977-0026-B1 Parts By Symptom
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Popular Parts for Briggs and Stratton 31R977-0026-B1
![Briggs and Stratton 31R977-0026-B1 Engine 591759 OEM replacement Flywheel](images2/photo_not_available.png)
Part Number:591759
Backorder: No ETA
Note: Used After Code Date 12071600
![Briggs and Stratton 31R977-0026-B1 Engine 591757 OEM replacement Key-flywheel](images/briggsandstratton/p/15/7b/1732080/360/1732080-03-01.jpg)
Part Number:591757
In Stock
Note: Used After Code Date 12071600
Part Number:697352
Usually ships in 7 - 12 business days
![Briggs and Stratton 31R977-0026-B1 Engine 697626 OEM replacement Guard-flywheel](images2/photo_not_available.png)
Part Number:697626
Usually ships in 7 - 12 business days
Note: (Electric Start)
Part Number:591642
In Stock
Note: (No Longer Available) (See Reference 304b for Service)
![Briggs and Stratton 31R977-0026-B1 Engine 591643 OEM replacement Housing-blower](images2/photo_not_available.png)
Part Number:591643
Usually ships in 7 - 12 business days
Note: (Black W/Threaded Inserts-Compatible With Canister Style Filter)
Part Number:593933
In Stock
Note: Used After Code Date 07040800
Part Number:794845
Usually ships in 7 - 12 business days
Note: (Muffler Deflector)
Part Number:794129
Usually ships in 7 - 12 business days
Note: (Cover/Retainer)
Part Number:797901
In Stock
Note: (Black-Compatible With Canister Style Filter)
![Briggs and Stratton 31R977-0026-B1 Engine 796615 OEM replacement Cup-flywheel](images2/photo_not_available.png)
Part Number:591606
In Stock
Note: Used After Code Date 12082600
Part Number:690297
In Stock
Note: (Regulator) (Carburetor/Efi Cover)
Part Number:691678
Usually ships in 7 - 12 business days
Note: (Muffler)
Part Number:396903
Usually ships in 7 - 12 business days
Note: (Direct Out)
![Briggs and Stratton 31R977-0026-B1 Engine 795038 OEM replacement Deflector-muffler](images2/photo_not_available.png)
Part Number:795038
Usually ships in 7 - 12 business days
Note: (Louvered)
Part Number:690661
In Stock
Note: (Muffler Deflector) (#8-18 X 0.375 Lg)
Part Number:794845
Usually ships in 7 - 12 business days
Note: (Muffler Deflector)
Part Number:796448
In Stock
Note: (Part Information Located in Carburetor and Fuel Supply Group.)
![Briggs and Stratton 31R977-0026-B1 Engine 790293 OEM replacement Guard-muffler](images2/photo_not_available.png)
Part Number:790293
Usually ships in 7 - 12 business days
![Briggs and Stratton 31R977-0026-B1 Engine 597456 OEM replacement Guard-muffler](images2/photo_not_available.png)
Part Number:597456
Usually ships in 7 - 12 business days
![Briggs and Stratton 31R977-0026-B1 Engine 706336 OEM replacement Guard, Muffler](images2/photo_not_available.png)
Part Number:706336
Usually ships in 7 - 12 business days
Part Number:690367
Usually ships in 7 - 12 business days
Note: (Muffler Guard)
Part Number:692236
In Stock
Note: Included in Gasket Set-Part No. 393411
Part Number:591647
In Stock
Note: (Black-Compatible With Canister Style Filter)
Part Number:794945
Usually ships in 7 - 12 business days
![Briggs and Stratton 31R977-0026-B1 Engine 699852 OEM replacement Plate-trim](images2/photo_not_available.png)
Part Number:699852
Usually ships in 7 - 12 business days
Note: (Black)
![Briggs and Stratton 31R977-0026-B1 Engine 698139 OEM replacement Screw](images2/photo_not_available.png)
Part Number:698139
Usually ships in 7 - 12 business days
Note: (Flywheel)
![Briggs and Stratton 31R977-0026-B1 Engine 796449 OEM replacement Washer](images2/photo_not_available.png)
Part Number:796449
Usually ships in 7 - 12 business days
Note: (Fuel Pump Bracket)
![Briggs and Stratton 31R977-0026-B1 Engine 796010 OEM replacement Cylinder Assembly](images2/photo_not_available.png)
Part Number:796010
Usually ships in 7 - 12 business days
Note: Must Be Used With the After 4/27/08 Cylinder Shield, Ref 306 Used Before Code Date 08042800
Part Number:592849
Usually ships in 7 - 12 business days
Note: Used Before Code Date 17032100
Part Number:690310
Usually ships in 7 - 12 business days
Note: (Cylinder Head)
Part Number:697109
In Stock
Note: (Use Liquid Sealant Reference 850)
Part Number:697110
In Stock
Note: (.015" Thick)(Standard)
Part Number:690946
In Stock
Note: (3/8"-18 Nptf-External 7/16" Sq)
Part Number:691680
Usually ships in 7 - 12 business days
Note: (Hex Head)
![Briggs and Stratton 31R977-0026-B1 Engine 596006 OEM replacement Crankshaft](images2/photo_not_available.png)
Part Number:596006
Usually ships in 7 - 12 business days
Note: Used Before Code Date 14100600
![Briggs and Stratton 31R977-0026-B1 Engine 594436 OEM replacement Piston Assembly-020](images2/photo_not_available.png)
Part Number:594436
In Stock
Note: (.020" Oversize)
![Briggs and Stratton 31R977-0026-B1 Engine 594435 OEM replacement Piston Assembly](images2/photo_not_available.png)
Part Number:594435
Backorder: No ETA
Note: (Standard) Used After Code Date 14100500
Part Number:792649
Discontinued
Note: (Standard) Used Before Code Date 14100600
![Briggs and Stratton 31R977-0026-B1 Engine 594438 OEM replacement Ring Set-020](images2/photo_not_available.png)
Part Number:594438
Usually ships in 7 - 12 business days
Note: (.020 Oversize)
Part Number:698469
In Stock
Note: Used After Code Date 02100300
Part Number:796007
Backorder: No ETA
Note: (1.97 ) Used Before Code Date 14100600
![Briggs and Stratton 31R977-0026-B1 Engine 594439 OEM replacement Pin-piston](images2/photo_not_available.png)
Part Number:594439
Usually ships in 7 - 12 business days
Note: (1.62" Long) Used After Code Date 14100500
Part Number:690564
In Stock
Note: (Part Information Located in Cylinder Head Group.)
Part Number:84005207
In Stock
Note: Used After Code Date 98063000
Part Number:692137
In Stock
Note: (Part Information Located in Cylinder Head Group.)
Part Number:491657S
Usually ships in 7 - 12 business days
Note: Used Before Code Date 17032100
![Briggs and Stratton 31R977-0026-B1 Engine 794953 OEM replacement Shield-cylinder](images2/photo_not_available.png)
Part Number:794953
Usually ships in 7 - 12 business days
![Briggs and Stratton 31R977-0026-B1 Engine 592777 OEM replacement Shield-cylinder](images2/photo_not_available.png)
Part Number:592777
Usually ships in 7 - 12 business days
Note: Used After Code Date 08042700
Part Number:796187
In Stock
Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)
Part Number:697144
Backorder: No ETA
Part Number:794682
In Stock
Note: (Use With Liquid Sealant Reference 850)
![Briggs and Stratton 31R977-0026-B1 Engine 697157 OEM replacement Screw](images2/photo_not_available.png)
Part Number:692407
In Stock
Note: Included in Gasket Set-Part Number 494241.
Part Number:793763
In Stock
Note: Used Before Code Date 14100600
![Briggs and Stratton 31R977-0026-B1 Engine 594443 OEM replacement Counterweight](images2/photo_not_available.png)
Part Number:594443
Usually ships in 7 - 12 business days
Note: Used After Code Date 14100500
Part Number:697392
Usually ships in 7 - 12 business days
Part Number:100106
In Stock
Note: (Rocker Cover Gasket and Breather Gasket)
Part Number:690968
In Stock
Note: (Part Information Located in Cylinder Head Group.)
Part Number:690589
In Stock
Note: (Oil Pump Cover) Used Before Code Date 08071800
Part Number:499613
In Stock
Note: Used Before Code Date 08071800
![Briggs and Stratton 31R977-0026-B1 Engine 796981 OEM replacement Screen-oil Pump](images2/photo_not_available.png)
Part Number:796981
Usually ships in 7 - 12 business days
Note: (Push In)
Part Number:272475S
Discontinued
Note: (Use Liquid Sealant Reference 850)
Part Number:794644
In Stock
Note: Used Before Code Date 08071800
Part Number:696854
Backorder: No ETA
Note: (Yellow)
Part Number:697104
Usually ships in 7 - 12 business days
Note: (Breather Reed)
Part Number:794467
In Stock
Note: (Required When Replacing Parts With Warning Labels Affixed)
![Briggs and Stratton 31R977-0026-B1 Engine 593897 OEM replacement Screw](images2/photo_not_available.png)
Part Number:593897
Usually ships in 7 - 12 business days
Note: (Throttle Valve)
Part Number:695408
Backorder: No ETA
Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)
![Briggs and Stratton 31R977-0026-B1 Engine 846817 OEM replacement Kit-idle Speed](images2/photo_not_available.png)
Part Number:846817
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:694918
Usually ships in 7 - 12 business days
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594860 OEM replacement Pin-float Hinge](images2/photo_not_available.png)
Part Number:594860
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:696136
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594868 OEM replacement Valve-float Needle](images2/photo_not_available.png)
Part Number:594868
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:698773
Usually ships in 7 - 12 business days
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594863 OEM replacement Valve-choke](images2/photo_not_available.png)
Part Number:594863
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:699733
In Stock
Note: (High Altitude) (High Altitude)
![Briggs and Stratton 31R977-0026-B1 Engine 595071 OEM replacement Jet-main](images2/photo_not_available.png)
Part Number:595071
Usually ships in 7 - 12 business days
Note: (Standard)
Part Number:843099
Backorder: No ETA
Note: (High Altitude) (Left Jet)
![Briggs and Stratton 31R977-0026-B1 Engine 595069 OEM replacement Jet-main](images2/photo_not_available.png)
Part Number:595069
Usually ships in 7 - 12 business days
Note: (High Altitude)
Part Number:796184
Backorder: No ETA
Note: (Nikki Carburetor) Used Before Code Date 15122300
Part Number:594886
In Stock
Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)
Part Number:594605
In Stock
Note: (Ruixing) Used After Code Date 16010300
![Briggs and Stratton 31R977-0026-B1 Engine 792747 OEM replacement Valve-throttle](images2/photo_not_available.png)
Part Number:792747
Usually ships in 7 - 12 business days
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594858 OEM replacement Valve-throttle](images2/photo_not_available.png)
Part Number:594858
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:792765
Usually ships in 7 - 12 business days
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594856 OEM replacement Kit-throttle Shaft](images2/photo_not_available.png)
Part Number:594856
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:694914
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594859 OEM replacement Float-carburetor](images2/photo_not_available.png)
Part Number:594859
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:698780
Usually ships in 7 - 12 business days
Note: (Nikki)(Gravity Feed)(Does Not Include Jet)
Part Number:698781
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
Part Number:594861
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:698778
Usually ships in 7 - 12 business days
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594862 OEM replacement Kit-choke Shaft](images2/photo_not_available.png)
Part Number:594862
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
![Briggs and Stratton 31R977-0026-B1 Engine 594872 OEM replacement Jet-pilot](images2/photo_not_available.png)
Part Number:594872
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 16010300
Part Number:791805
In Stock
Note: (Formed)(10-1/4" Long)(Cut to Required Length)
Part Number:791744
In Stock
Note: (Formed)(14 Inches Long)(Cut to Required Length)
Part Number:796491
In Stock
Note: (Formed)(Cut to Required Length)
Part Number:695409
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594864 OEM replacement Spring-choke Return](images2/photo_not_available.png)
Part Number:594864
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:84001895
In Stock
Note: (Includes Paper Element With a 40 Micron Rating)
Part Number:695410
Usually ships in 7 - 12 business days
Note: (Nikki Carburetor) Used Before Code Date 15122300
Part Number:846640
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:690297
In Stock
Note: (Regulator) (Carburetor/Efi Cover)
Part Number:690998
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
Part Number:699813
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 797629 OEM replacement Seal-throttle Shaft](images2/photo_not_available.png)
Part Number:797629
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
![Briggs and Stratton 31R977-0026-B1 Engine 594866 OEM replacement Seal-choke/throttle S](images2/photo_not_available.png)
Part Number:594866
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
![Briggs and Stratton 31R977-0026-B1 Engine 594865 OEM replacement Seal-choke/throttle S](images2/photo_not_available.png)
Part Number:594865
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:698779
Usually ships in 7 - 12 business days
Note: (Nikki)
Part Number:596038
Backorder: No ETA
Note: (Nikki Carburetor) Used Before Code Date 15122300
Part Number:846639
Backorder: No ETA
Note: (Ruixing) Used After Code Date 15122200
Part Number:699502
In Stock
Note: (Nikki Carburetor) Used Before Code Date 15122300
![Briggs and Stratton 31R977-0026-B1 Engine 594867 OEM replacement Bowl-float](images2/photo_not_available.png)
Part Number:594867
Usually ships in 7 - 12 business days
Note: (Ruixing) Used After Code Date 15122200
Part Number:691333
Usually ships in 7 - 12 business days
Part Number:695407
In Stock
Note: (Float Bowl to Carburetor Body)
![Briggs and Stratton 31R977-0026-B1 Engine 793380 OEM replacement Screw](images2/photo_not_available.png)
Part Number:793380
Usually ships in 7 - 12 business days
Note: (Choke Shaft)
![Briggs and Stratton 31R977-0026-B1 Engine 593040 OEM replacement Screw](images2/photo_not_available.png)
Part Number:593040
Usually ships in 7 - 12 business days
Note: (Choke Lever)
![Briggs and Stratton 31R977-0026-B1 Engine 593043 OEM replacement Link-choke](images2/photo_not_available.png)
Part Number:593043
Usually ships in 7 - 12 business days
Note: (Ready Start System)
Part Number:691025
Discontinued
Note: (Cut to Required Length)
Part Number:26634
Discontinued
Note: (Cut to Required Length)
Part Number:691028
Usually ships in 7 - 12 business days
Part Number:593934
In Stock
Note: Used After Code Date 17033000
Part Number:690323
Usually ships in 7 - 12 business days
Note: (Starter Motor)
![Briggs and Stratton 31R977-0026-B1 Engine 594384 OEM replacement Screw](images2/photo_not_available.png)
Part Number:594384
Usually ships in 7 - 12 business days
Note: (Mounting Bracket)
Part Number:595304
In Stock
Note: (Emc Compliant) Used After Code Date 16093000
Part Number:594626
In Stock
Note: Used Before Code Date 16101000
Part Number:697089
Usually ships in 7 - 12 business days
![Briggs and Stratton 31R977-0026-B1 Engine 593056 OEM replacement Switch-snap](images2/photo_not_available.png)
Part Number:593056
Usually ships in 7 - 12 business days
Note: (Ready Start System)
Part Number:691261
Usually ships in 7 - 12 business days
Note: (Starter Cable)
Part Number:794360
In Stock
Note: (Tri Circuit or 5/9 Amp. Regulated)
Part Number:691532
Usually ships in 7 - 12 business days
Note: (82mm Long)
Part Number:691251
Usually ships in 7 - 12 business days
Note: (Governor Control Lever)
Part Number:593934
In Stock
Note: Used After Code Date 17033000
Part Number:692024
In Stock
Note: Used After Code Date 17033000
![Briggs and Stratton 31R977-0026-B1 Engine 690581 OEM replacement Shield-cable](images2/photo_not_available.png)
Part Number:690581
Usually ships in 7 - 12 business days
Part Number:697088
Usually ships in 7 - 12 business days
Note: (Regulator)
![Briggs and Stratton 31R977-0026-B1 Engine 697348 OEM replacement Screw](images2/photo_not_available.png)
Part Number:697348
Usually ships in 7 - 12 business days
Note: (Regulator)
Part Number:691224
Usually ships in 7 - 12 business days
Note: (Aluminum Coated Steel)
Part Number:698329
Backorder: No ETA
Note: Used Before Code Date 14040100
![Briggs and Stratton 31R977-0026-B1 Engine 594999 OEM replacement Harness-wiring](images2/photo_not_available.png)
Part Number:594999
Usually ships in 7 - 12 business days
Part Number:691283
Usually ships in 7 - 12 business days
Part Number:691286
Usually ships in 7 - 12 business days
Note: Used After Code Date 17033000
Part Number:393456
In Stock
Note: (Dual Circuit)
Part Number:393814
Usually ships in 7 - 12 business days
Note: (10 Amp Regulated)
Part Number:398661
Usually ships in 7 - 12 business days
Note: (Dual Circuit)
![Briggs and Stratton 31R977-0026-B1 Engine 691955 OEM replacement Harness-alternator](images2/photo_not_available.png)
![Briggs and Stratton 31R977-0026-B1 Engine 593039 OEM replacement Lever-choke](images2/photo_not_available.png)
Part Number:593039
Usually ships in 7 - 12 business days
Note: (Ready Start System)
![Briggs and Stratton 31R977-0026-B1 Engine 280275 OEM replacement Tie-cable](images2/photo_not_available.png)
Part Number:280275
Backorder: No ETA
Note: (Clear, Nylon)
![Briggs and Stratton 31R977-0026-B1 Engine 698516 OEM replacement Kit-screw/washer](images2/photo_not_available.png)
Part Number:698516
Usually ships in 7 - 12 business days
Note: (Alternator)
Part Number:691293
In Stock
Note: Used Before Code Date 14052800
Part Number:691183
Usually ships in 7 - 12 business days
Note: (Alternator)
Part Number:690260
Usually ships in 7 - 12 business days
Note: (Magneto Armature)
![Briggs and Stratton 31R977-0026-B1 Engine 593037 OEM replacement Solenoid-choke](images2/photo_not_available.png)
Part Number:593037
In Stock
Note: (Ready Start System)
![Briggs and Stratton 31R977-0026-B1 Engine 593041 OEM replacement Screw](images2/photo_not_available.png)
Part Number:593041
Usually ships in 7 - 12 business days
Note: (Choke Solenoid)
![Briggs and Stratton 31R977-0026-B1 Engine 593042 OEM replacement Screw](images2/photo_not_available.png)
Part Number:593042
Usually ships in 7 - 12 business days
Note: (Choke Solenoid)
Part Number:796026
Backorder: No ETA
Note: (Requires Reference Number 850 - Liquid Sealant)
Part Number:592842
In Stock
Note: Used After Code Date 97100500
Part Number:592842
In Stock
Note: Used After Code Date 97100500
Part Number:591260
Usually ships in 7 - 12 business days
Note: (Carburetor)
![Briggs and Stratton 31R977-0026-B1 Engine 794873 OEM replacement Connector-hose](images2/photo_not_available.png)
Part Number:794873
Usually ships in 7 - 12 business days
Note: (Intake Manifold)
Part Number:792015
In Stock
Note: (Xc92yc - Resistor - Ems)
Part Number:19576S
In Stock
Note: (Part Information Located in Cylinder Head Group.)
Part Number:697184
Usually ships in 7 - 12 business days
Note: (Standard Dipstick Tube)
Part Number:697085
In Stock
Note: (With Side Tube Connector)
Part Number:790442
Usually ships in 7 - 12 business days
Note: (Standard Dipstick Tube)
Part Number:790443
In Stock
Note: (With Side Tube Connector)
Part Number:797421
In Stock
Note: (Use With Liquid Sealant Reference 850)
Part Number:692011
In Stock
Note: (Exhaust)
Part Number:794152
In Stock
Note: (Service Kits May Include Extra Parts Not Specific to This Engine.)