Dykes MotorsAuthorized Bobcat, LS Tractor and Ferris dealer in Collins, MS. Parts shipped nationwide.(601) 516-7255
Week Parts Sale, ends Saturday Sale prices shown on every part.

Briggs & Stratton 21B977-0123-E1 Engine Parts

194 genuine Briggs & Stratton parts are listed by Briggs for engine model 21B977-0123-E1. Free shipping on every parts order, or pick up at the dealership in Collins.

Fitment comes straight from Briggs & Stratton factory data, not a guess. The type and code matter on carburetors, ignition and governor parts, so confirm the full number off the engine before you order.

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The model, type and code are stamped on the engine shroud or the valve cover, e.g. 356447 0036 B1. The first six characters alone will show parts for every type of that model. Do not have it handy? Shop by part type instead.

Engine Parts

691279 SPRING-VALVE
Valve Spring
Briggs & Stratton OEM · 691279
Listed for 21B977-0123-E1
$25.25
Ships in 2 to 3 business days
691381 CRANK-BELL — Dykes Motors genuine OEM part
Bell Crank
Briggs & Stratton OEM · 691381
Listed for 21B977-0123-E1
$52.23
Ships in 2 to 3 business days
691751 Rocker Arm
Rocker Arm
Briggs & Stratton OEM · 691751
Listed for 21B977-0123-E1
$8.79
Ships in 2 to 3 business days
691780 SEAT-INLET
Inlet Seat
Briggs & Stratton OEM · 691780
Listed for 21B977-0123-E1
$28.16
Ships in 2 to 3 business days
691840 Choke Link
Choke Link
Briggs & Stratton OEM · 691840
Listed for 21B977-0123-E1
Market price $9.45$8.41Save 11%
Ships in 2 to 3 business days
691841 Mechanical Governor Link
Mechanical Governor Link
Briggs & Stratton OEM · 691841
Listed for 21B977-0123-E1
Market price $9.57$8.85Save 8%
Ships in 2 to 3 business days
691842 SPRING-GOVERNOR LINK
Spring Governor Link
Briggs & Stratton OEM · 691842
Listed for 21B977-0123-E1
$29.83
Ships in 2 to 3 business days
691843 CAP-VALVE
Valve Cap
Briggs & Stratton OEM · 691843
Listed for 21B977-0123-E1
$27.25
Ships in 2 to 3 business days
691909 Spark Plug Boot
Spark Plug Boot
Briggs & Stratton OEM · 691909
Listed for 21B977-0123-E1
Market price $5.00$3.70Save 26%
Ships in 2 to 3 business days
691917 O-Ring Seal, Genuine Briggs & Stratton
O-Ring Seal, Genuine Briggs & Stratton
Briggs & Stratton OEM · 691917
Listed for 21B977-0123-E1
Market price $6.79$2.84Save 58%
Ships in 2 to 3 business days
691986 Rocker Arm Adjuster
Rocker Arm Adjuster
Briggs & Stratton OEM · 691986
Listed for 21B977-0123-E1
Market price $11.37$9.16Save 19%
Ships in 2 to 3 business days
692012 CRANK-GOVERNOR — Dykes Motors genuine OEM part
Governor Crank
Briggs & Stratton OEM · 692012
Listed for 21B977-0123-E1
$31.95
Ships in 2 to 3 business days
692037 Wiring Harness
Wiring Harness
Briggs & Stratton OEM · 692037
Listed for 21B977-0123-E1
$50.48
Ships in 2 to 3 business days
692137 GASKET-INTAKE
Intake Gasket
Briggs & Stratton OEM · 692137
Listed for 21B977-0123-E1
Market price $3.16$2.00Save 37%
Ships in 2 to 3 business days
692138 O-Ring Seal
O-Ring Seal
Briggs & Stratton OEM · 692138
Listed for 21B977-0123-E1
Market price $6.47$3.96Save 39%
Ships in 2 to 3 business days
692236 Exhaust Gasket
Exhaust Gasket
Briggs & Stratton OEM · 692236
Listed for 21B977-0123-E1
Market price $4.87$3.69Save 24%
Ships in 2 to 3 business days
692407 SEAL-GOVERNOR SHAFT — Dykes Motors genuine OEM part
Seal Governor Shaft
Briggs & Stratton OEM · 692407
Listed for 21B977-0123-E1
$26.63
Ships in 2 to 3 business days
694914 FLOAT-CARBURETOR
Carburetor Float
Briggs & Stratton OEM · 694914
Listed for 21B977-0123-E1
Market price $23.51$20.19Save 14%
Ships in 2 to 3 business days
695113 CUP-FLYWHEEL — Dykes Motors genuine OEM part
Flywheel Cup
Briggs & Stratton OEM · 695113
Listed for 21B977-0123-E1
$32.82
Ships in 2 to 3 business days
696136 Float Needle Valve, Genuine Briggs & Stratton
Float Needle Valve, Genuine Briggs & Stratton
Briggs & Stratton OEM · 696136
Listed for 21B977-0123-E1
Market price $15.09$12.18Save 19%
Ships in 2 to 3 business days
697099 PIN-PISTON/STD
PIN-PISTON/STD
Briggs & Stratton OEM · 697099
Listed for 21B977-0123-E1
$31.95
Ships in 2 to 3 business days
697109 GASKET-BREATHER
Breather Gasket
Briggs & Stratton OEM · 697109
Listed for 21B977-0123-E1
$26.42
Ships in 2 to 3 business days
697110 Crankcase Gasket - .015, Genuine Briggs & Stratton
Crankcase Gasket - .015, Genuine Briggs & Stratton
Briggs & Stratton OEM · 697110
Listed for 21B977-0123-E1
Market price $8.52$5.68Save 33%
Ships in 2 to 3 business days
697123 O-Ring Seal
O-Ring Seal
Briggs & Stratton OEM · 697123
Listed for 21B977-0123-E1
$24.93
Ships in 2 to 3 business days

Do not see the part for your 21B977-0123-E1?

We are an authorized Briggs & Stratton dealer and can order any genuine Briggs part, usually within a few days. Call (601) 516-7255 or email info@dykesmotors.com with the model, type and code off the engine. You can also see every part listed for model 21B977. Or browse every Briggs & Stratton part by category.

Visit Us in Collins, MS

3069 Hwy 49, Collins, MS 39428 · (601) 516-7255 · Get directions