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 31S977-0012-B5 Engine Parts

135 genuine Briggs & Stratton parts are listed by Briggs for engine model 31S977-0012-B5. 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

691841 Mechanical Governor Link
Mechanical Governor Link
Briggs & Stratton OEM · 691841
Listed for 31S977-0012-B5
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 31S977-0012-B5
$29.83
Ships in 2 to 3 business days
691843 CAP-VALVE
Valve Cap
Briggs & Stratton OEM · 691843
Listed for 31S977-0012-B5
$27.25
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 31S977-0012-B5
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 31S977-0012-B5
Market price $11.37$9.16Save 19%
Ships in 2 to 3 business days
692003 Push Rod - Intake, Genuine Briggs & Stratton
Push Rod - Intake, Genuine Briggs & Stratton
Briggs & Stratton OEM · 692003
Listed for 31S977-0012-B5
$25.96
Ships in 2 to 3 business days
692011 Push Rod - Exhaust, Genuine Briggs & Stratton
Push Rod - Exhaust, Genuine Briggs & Stratton
Briggs & Stratton OEM · 692011
Listed for 31S977-0012-B5
Market price $8.96$5.70Save 36%
Ships in 2 to 3 business days
692012 CRANK-GOVERNOR — Dykes Motors genuine OEM part
Governor Crank
Briggs & Stratton OEM · 692012
Listed for 31S977-0012-B5
$31.95
Ships in 2 to 3 business days
692037 Wiring Harness
Wiring Harness
Briggs & Stratton OEM · 692037
Listed for 31S977-0012-B5
$50.48
Ships in 2 to 3 business days
692137 GASKET-INTAKE
Intake Gasket
Briggs & Stratton OEM · 692137
Listed for 31S977-0012-B5
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 31S977-0012-B5
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 31S977-0012-B5
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 31S977-0012-B5
$26.63
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 31S977-0012-B5
Market price $8.52$5.68Save 33%
Ships in 2 to 3 business days
697128 Timing Gear
Timing Gear
Briggs & Stratton OEM · 697128
Listed for 31S977-0012-B5
Market price $22.36$19.60Save 12%
Ships in 2 to 3 business days
698469 LOCK-PISTON PIN
Lock Piston Pin
Briggs & Stratton OEM · 698469
Listed for 31S977-0012-B5
$24.14
Ships in 2 to 3 business days
699882 GUARD-FLYWHEEL — Dykes Motors genuine OEM part
Flywheel Guard
Briggs & Stratton OEM · 699882
Listed for 31S977-0012-B5
$27.94
Ships in 2 to 3 business days
699908 Dipstick
Dipstick
Briggs & Stratton OEM · 699908
Listed for 31S977-0012-B5
Market price $14.97$13.69Save 9%
Ships in 2 to 3 business days
791680 Screw
Screw
Briggs & Stratton OEM · 791680
Listed for 31S977-0012-B5
$3.68
Ships in 2 to 3 business days
792813 SPRING-GOVERNOR
Governor Spring
Briggs & Stratton OEM · 792813
Listed for 31S977-0012-B5
Market price $7.60$5.40Save 29%
Ships in 2 to 3 business days
793242 LINK-COUNTERWEIGHT
Counterweight Link
Briggs & Stratton OEM · 793242
Listed for 31S977-0012-B5
$37.76
Ships in 2 to 3 business days
793243 Plug-AVS CNTWGT
Plug Avs Cntwgt
Briggs & Stratton OEM · 793243
Listed for 31S977-0012-B5
$24.49
Ships in 2 to 3 business days
794360 Regulator
Regulator
Briggs & Stratton OEM · 794360
Listed for 31S977-0012-B5
Market price $55.62$51.49Save 7%
Ships in 2 to 3 business days
794644 Oil Pump
Oil Pump
Briggs & Stratton OEM · 794644
Listed for 31S977-0012-B5
$49.90
Ships in 2 to 3 business days

Do not see the part for your 31S977-0012-B5?

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 31S977. Or browse every Briggs & Stratton part by category.

Visit Us in Collins, MS

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