4900 Molly Pitcher Highway
Chambersburg, PA 17202 US
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Briggs & Stratton 12Q505-0844-B1 Camshaft, Crankshaft, Cylinder, Engine Sump, Lubrication, Piston Group

Change Assembly
Diagrams Shown are for U.S. Models

Camshaft, Crankshaft, Cylinder, Engine Sump, Lubrication, Piston Group

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Cylinder Assembly
$148.80
2
Kit-Bushing/Seal (Magneto Side)
$14.68
3
SEAL, Oil (Magneto Side)
$4.20
4
Sump, Engine
$74.40
4B
Sump-Engine
$74.40
8
Breather Assembly
$9.78
9
Gasket-Breather
$3.36
10
Screw (Breather Assembly)
$2.70
11
Tube-Breather
$7.36
12
Gasket-Crankcase
$4.44
15
PLUG, Oil Drain (Square Socket)
$3.84
16
Crankshaft
$130.00
17
Bearing-Ball
$21.06
20
Seal-Oil (PTO Side)
$5.75
22
Screw (Crankcase Cover/Sump)
$2.70
24
KEY, Flywheel
$2.40
25
Piston Assembly (.020" Oversize) Used Before Code Date 07090400
$58.50
25
Piston Assembly (Standard) Used Before Code Date 07090400
$53.15
25
Piston Assembly (Standard) Used After Code Date 07090300
$53.15
25
Piston Assembly (.020" Oversize) Used After Code Date 07090300
$58.50
26
Ring Set (.020" Oversize) Used After Code Date 07090300
$32.13
26
Ring Set (.020" Oversize) Used Before Code Date 07090400
$28.73
26
Ring Set (Standard) Used Before Code Date 07090400
$25.27
26
Ring Set (Standard) Used After Code Date 07090300
$32.13
27
Lock-Piston Pin
$3.06
28
Pin-Piston
$6.15
29
Rod-Connecting
$53.15
32
Screw (Connecting Rod)
$3.12
32A
Screw (Connecting Rod)
$3.24
43
Slinger-Governor/Oil
$17.54
46
Camshaft
$49.76
146
KEY, Woodruff
$2.64
287
SCREW (Dipstick Tube)
$2.82
306
Shield-Cylinder
$12.48
307
Screw (Cylinder Shield)
$3.72
374
Washer (Camshaft)
$3.42
523
Dipstick
$11.11
524
Seal-Dipstick Tube
$3.24
525
Tube-Dipstick
$14.02
584
Cover-Breather Passage
$6.15
585
Gasket-Breather Passage
$4.50
684
Screw (Breather Passage Cover)
$3.72
718
PIN, Locating
$4.50
737
Screw (Oil Filter Adapter)
$2.70
741
Gear-Timing (Use Without Woodruff Key) Used After Code Date 07093000
$10.98
741
Gear-Timing (Uses Woodruff Key)
$11.66
741
Gear-Timing (Use Without Woodruff Key) Used Before Code Date 07100100
$10.98
750
Screw (Oil Pump Cover)
$2.70
842
SEAL, O-Ring (Dipstick Tube)
$3.72
847
Dipstick/Tube Assembly
$14.02
943
Seal-O Ring (Oil Pump Cover)
$3.84
965
Cover-Oil Pump
$6.15
988
Gasket-Oil Adapter
$3.30
1019
Kit-Label
$32.02
1024
Pump-Oil
$27.54
1027
Filter-Oil
$11.06
1028
Adapter-Oil Filter
$30.29
1055
Tube-Oil Pump
$6.10
1058
Operator's Manual
1102
Pilot-Guide
$10.06
1319
LABEL, Warning
$14.02
1330
Repair Manual
$25.38