AYP 4258A59 Parts List

4258A59 (1999 & Before) Page 1 of 16
ENGINE/BRIGGS AND STRATTON

4258A59 (1999 & Before) Page 2 of 16
ENGINE/BRIGGS AND STRATTON

Ref # Part Number Qty Description

23 492177 FLYWHEEL
55 492831 HOUSING REWIND STARTER
56 493824 PULLEY, REWIND STARTER
57 262594 SPRING, REWIND STARTER
58 280399 ROPE, REWIND STARTER (CUT TO 88-5/8)
59 396892 INSERT, HANDLE
60 393152 HANDLE, REWIND STARTER
65 94696 SCREW
69 280973 WASHER

69A 224322 WASHER

188 398540 SCREW, HEX HEAD
284 94511 SCREW, HEX HEAD
304 493293 HOUSING, BLOWER
305 94786 SCREW
332 92284 NUT, FLYWHEEL
363 19069 PULLEY, FLYWHEEL
455 224250 CUP, STARTER
456 224321 RETAINER, REWIND STARTER
459 492833 PAWL, STARTER
461 262626 PIN, STARTER
515 262625 SPRING, TORSION
608 493295 STARTER ASSY REWIND

94128 SCREW, HEX HEAD

92987 NUT, HEX
670 280512 SPACER, FUEL TANK
949 497233 GUARD, FINGER
957 397974 CAP, FUEL TANK
972 495224 TANK ASSY FUEL

1016 224278 COVER, REWIND STARTER
1019 495354 LABEL KIT

4258A59 (1999 & Before) Page 3 of 16
ENGINE/BRIGGS AND STRATTON

4258A59 (1999 & Before) Page 4 of 16
ENGINE/BRIGGS AND STRATTON

Ref # Part Number Qty Description

3 299819 SEAL, OIL
7 272916 GASKET, CYLINDER HEAD
9 272481 GASKET, VALVE COVER

9A 272238 GASKET, BAFFLE PLATE

12 272198 GASKET, CRANKCASE
20 399781 SEAL, OIL
52 272199 GASKET, INTAKE ELBOW

81 223664 LOCK, MUFFLER SCREW
104 231371 PIN, FLOAT HINGE
116 REFER TO IMAGE
121 493762 CARB OVERHAUL KIT
127 REFER TO IMAGE
134 398188 VALVE, INLET
137 REFER TO IMAGE
163 272653 GASKET AIR CLEANER
187 492790 HOSE, FUEL

188A 94644 SCREW, HEX HEAD

201 262579 LINK, GOVERNOR
209 263044 SPRING, GOVERNOR

* 497316 GASKET SET

* 493762 CARB OVERHAUL KIT
300 496106 MUFFLER, EXHAUST
333 802574 ARMATURE, MAGNETO
334 94731 SCREW, SEMS
346 94602 SCREW, HEX HEAD
356 398808 WIRE, GROUND
358 497316 GASKET SET
524 280393 SEAL, FILLER TUBE
601 93807 CLAMP HOSE
613 94231 SCREW, HEX HEAD
617 270344 SEAL, FUEL INTAKE TUBE
620 497203 BRACKET, CARBURETOR
634 REFER TO IMAGE

670A 493823 SPACER, BRACKET

832 494224 GUARD MUFFLER
842 280966 SEAL, O-RING
851 493880 TERMINAL, IGNITION CABLE
883 272253 GASKET, MUFFLER
977 490937 GASKET SET, CARBURETOR

4258A59 (1999 & Before) Page 5 of 16
ENGINE/BRIGGS AND STRATTON

4258A59 (1999 & Before) Page 6 of 16
ENGINE/BRIGGS AND STRATTON

Ref # Part Number Qty Description

1 494062 CYLINDER ASSY
2 399269 BUSHING ASSY
3 299819 SEAL, OIL
5 214349 HEAD, CYLINDER
7 272916 GASKET, CYLINDER HEAD
8 494489 BREATHER, VALVE CHAMBER
9 272481 GASKET, VALVE COVER

9A 272238 GASKET, BAFFLE PLATE

10 94650 SCREW
11 231933 TUBE, BREATHER
12 272198 GASKET, CRANKCASE
13 94547 SCREW, CYLINDER HEAD
15 94720 PLUG, OIL DRAIN
16 493363 CRANKSHAFT

94388 TIMING GEAR KEY
18 493279 SUMP, ENGINE
20 399781 SEAL, OIL
22 94220 SCREW, HEX HEAD

94612 SCREW, HEX HEAD
24 222698 KEY, FLYWHEEL
25 494058 PISTON ASSY, STANDARD SIZE

494059 PISTON ASSY, .010" OVERSIZE

494060 PISTON ASSY, .020" OVERSIZE

494061 PISTON ASSY, .030" OVERSIZE
26 493261 RING SET, PISTON, STANDARD SIZE

493388 RING SET, PISTON, .010" OVERSIZE

493389 RING SET, PISTON, .020" OVERSIZE

493390 RING SET, PISTON, .030" OVERSIZE
27 26026 LOCK, PISTON PIN
28 298909 PIN ASSY, PISTON, STD

298908 PIN ASSEMBLY, PISTON .005" OVERSIZE
29 490566 ROD, CONNECTING

490743 ROD, CONNECTING, .020" UNDERSIZE
32 94699 SCREW
33 262651 VALVE, EXHAUST
34 262652 VALVE, INTAKE
35 262224 SPRING, VALVE
40 93312 RETAINER, VALVE SPRING
45 262204 TAPPET, VALVE
46 492830 GEAR, CAM
47 493737 SLINGER, OIL
52 272199 GASKET, INTAKE ELBOW
54 94526 SCREW, HEX HEAD

227 492349 LEVER, GOVERNOR
230 67072 WASHER, THRUST
284 94511 SCREW, HEX HEAD
306 224324 SHIELD, CYLINDER
307 94515 SCREW HEX HD
337 492167 PLUG SPARK
383 89838 WRENCH SPARK PLUG
523 495264 CAP W/DIPSTICK, OIL FILTER
524 280393 SEAL, FILLER TUBE
525 495265 TUBE, OIL FILLER
562 92613 BOLT, GOVERNOR LEVER
572 224328 BAFFLE, CYLINDER
592 231082 NUT, HEX
615 94474 FASTENER
616 262578 CRANK, GOVERNOR

4258A59 (1999 & Before) Page 7 of 16
ENGINE/BRIGGS AND STRATTON

Ref # Part Number Qty Description

625 497465 TUBE, FUEL INTAKE
635 66538 ELBOW, SPARK PLUG
741 262598 GEAR, TIMING
842 280966 SEAL, O-RING
847 495263 TUBE ASSEMBLY, OIL
869 213512 SEAT, INTAKE VALVE
870 213513 SEAT, EXHAUST VALVE
871 262001 GUIDE, EXHAUST VALVE

63709 GUIDE, INTAKE VALVE

4258A59 (1999 & Before) Page 8 of 16
ENGINE/BRIGGS AND STRATTON

4258A59 (1999 & Before) Page 9 of 16
ENGINE/BRIGGS AND STRATTON

Ref # Part Number Qty Description

95 94098 SCREW, THROTTLE

104 231371 PIN, FLOAT HINGE
116 REFER TO IMAGE
124 94525 SCREW, CARBURETOR MOUNTING
125 497586 CARBURETOR
127 REFER TO IMAGE
130 224908 VALVE, THROTTLE
131 493267 SHAFT, THROTTLE
133 398187 FLOAT, CARBURETOR
134 398188 VALVE, INLET
137 REFER TO IMAGE
163 272653 GASKET AIR CLEANER
258 94512 SCREW, HEX HEAD
387 496115 PRIMER, CARBURETOR
529 281299 GROMMET, BREATHER
606 224815 STRAP, BRKT
617 270344 SEAL, FUEL INTAKE TUBE
621 396847 SWITCH, STOP
634 REFER TO IMAGE
922 262640 SPRING, BRAKE
923 493442 BRAKE ASSEMBLY
955 497587 SCREW, FUEL BOWL
966 496116 BASE AIR CLEANER
967 491588 SUB= 3364
968 281340 COVER AIR CLEANER
969 94120 SCREW, HEX HEAD
971 94121 SCREW, HEX HEAD

971A 94749 SCREW, HEX HEAD

975 493640 BOWL, FLOAT
991 493537 PRE-FILTER

4258A59 (1999 & Before) Page 10 of 16
GEAR CASE

4258A59 (1999 & Before) Page 11 of 16
GEAR CASE

Ref # Part Number Qty Description

1 17490416 SCREW.1/4-20
2 137055X004 BRACKET.GEARCASE
3 137053 SHIFTER
4 57072 SEAL
6 48373 KIT GEARCASE HALV
7 77881 BEARING
8 137051 SHAFT.WORM

9 137077 SHAFT.DRIVE.SD
10 57079 THRUST WASHER
11 131484 CLUTCH YOKE
12 700343 BUSHING.GEAR BOX
13 86447 PLUG PM
14 137050 GEAR.HELICAL
15 750436X CLUTCH JAW
16 750369 SUB= 6066J
17 12000003 RING T
18 850848 HI PRO KEY
19 81585X004 SPRING BRKT

4258A59 (1999 & Before) Page 12 of 16
ROTARY LAWN MOWER

4258A59 (1999 & Before) Page 13 of 16
ROTARY LAWN MOWER

Ref # Part Number Qty Description

1 69180 LOCKNUT

2 700615 CONTROL.DRIVE

3 750029 SCREW

4 66426 SUB= 7192J

5 750097 TAPPING SCREW

6 87930 GUIDE CLIP PM

7 137078 SUB= 157769

8 700875 BOLT.1/4-20X2.0
11 141658 SUB= 152230
12 141661 SUB= 148488
13 132800 SUB= 532132800
14 88080 DUST SHROUD PM
15 137054 PINION.GEAR
16 12000058 E-RING.7/16.RE.
17 700953 WHEEL.8X2.LP.PR
18 88446 BUSHING.HEX
19 52160 WASHER
20 85179 RETAINER CLIP PM
21 77400 HUB CAP
22 86012 DRV SHAFT TUBE PM
23 702510 SUB= 48366
25 63601 SUB= 73800400
26 137090 SPRING.TENSION
27 75192 SPRING
29 137052 PULLEY.DRIVEN
30 132010 LOCKNUT
33 137080 COVER DRIVE BLK
34 87866 SUB= 146072
35 136797 SUB= 149746
36 88118 WASHER PM
37 67725 WASHER FLUT

146103 DECAL.WIZ+.22.FWG
132958 NLA
132959 NLA

4258A59 (1999 & Before) Page 14 of 16
ROTARY LAWN MOWER

4258A59 (1999 & Before) Page 15 of 16
ROTARY LAWN MOWER

Ref # Part Number Qty Description

1 84676X479 SUB= 151516X479

2 103672X ROPER GUIDE PM

3 63601 SUB= 73800400

4 131959 BOLT.HANDLE.LM

5 851512 CONTROL BAR

6 66426 SUB= 7192J

7 144929 SCREW.HXHD.WASH.

8 700417 "CONTROL, THROTTLE"
10 130861 "CABLE,ENG ZONE CO"
11 850738X479 SUB= 145642X479
12 51793 HAIRPIN COTTER
13 136376 KNOB HANDLE
14 140539 SKIRT.REAR.22SD.
15 750097 TAPPING SCREW
16 701969X479 SUB= 150959
17 701971X479 SUB= 150959
18 55187 SCREW
19 59289 STEEL WASHER
20 74760612 SUB= 74780612
21 751592 LOCKNUT PM
22 141657 BRACKET ASM LF/RR
23 84920 SUB= 146630
24 87584X004 "BRKT,DEFL PM"
25 850862X004 SELECTOR SPRING
26 132800 SUB= 532132800
27 141766X004 AXLE ARM ASM
28 61651 WASHER
29 142748 BOLT SHLD 3/8-16
30 700735 ASM WHL & TIRE
31 57143 WAVE WASHER
32 83923 HEX FLANGE LOCKNT
33 850709 ROD SUPPORT
34 851856 SCREW
35 88348 WASHER PM
36 850998 SCREW
37 851201X0047 ENGINE WASHER
38 134612 SUB= 48283
39 132352X479 BAFFLE FRONT 22SD
40 702033 KIT.HSG.22SD.FWGD
41 54583 SCREW
42 111662X479 WHL SUPT BRKT RH
43 851084 SCREW
44 850263 LOCKWASHER
45 851074 "WASHER,HARDEN"
46 141114 "BLADE.MULCH.22"""
47 851514 ADAPTOR.BLADE.LM
48 851854 "ROD,HINGE "
49 851852X004 "BRKT,HSG"
50 111661X419 SUB= 111661X479
51 851855 "SPRING,TORSION"
52 850724 SUB= 155890
53 141656 BRACKET ADJ LR/RF
54 851750 SUB= 532851750
55 87677 HI PRO KEY PM
56 59708 SCREW
57 84596 ENGINE.PULLEY.FWG
58 111190X CABLE CLAMP
59 83816 SCREW PM

4258A59 (1999 & Before) Page 16 of 16
ROTARY LAWN MOWER

Ref # Part Number Qty Description

61 85463 DECAL-DANGER PM
62 REFER TO IMAGE
63 83731 PUSH ON SPEED NUT
64 851552 "SCREW,PAN HD"
65 74100412 SCREW

83976X479 "BAFFLE,REAR"
146666 MANUAL.O.4258A59