AYP PR7Y21CHB Parts List

PR7Y21CHB (2004) Page 1 of 7
Gearcase Assembly 180184

PR7Y21CHB (2004) Page 2 of 7
Gearcase Assembly 180184

Ref # Part Number Qty Description

1 183497 Case, Lower
2 183498 Case, Upper
3 183499 Gear, 27 Teeth
4 183500 Lever, Clutch
5 183501 Spring, Return
6 183502 Shaft, Input
7 183503 Dog, Movable
8 183504 Dog, Fixed

9 183505 Wire, Formed
10 183506 Bearing, Ball
11 183507 Fork, Shift
12 183508 Seal, Output Shaft
13 183509 Washer
14 183510 Seal, Case
15 183511 Bushing
16 183512 Shaft, Output
17 183513 Screw
18 183514 Seal, Input Shaft

183404 Kit, Gearcase Replacement (Includes Instructions)
180184 Gearcase Assembly

PR7Y21CHB (2004) Page 3 of 7
Mower Housing & Handle Assembly

PR7Y21CHB (2004) Page 4 of 7
Mower Housing & Handle Assembly

Ref # Part Number Qty Description

1 166860X479 Upper Handle

2 151721X479 Lower Handle

3 146771 Control Bar

4 133107 Engine Zone Control Cable

5 191574 Handle Bolt

6 189713X428 Handle Knob

7 51793 Hairpin Cotter

8 66426 Wire Tie

9 180479 Rear Door Kit (Includes Key Numbers 16 and 17)
10 128415 Pop Rivet
11 175069X479 Support Bracket, LH
12 175070X479 Support Bracket, RH
13 17060410 Screw 1/4-20 x 5/8
14 175576X479 Handle Bracket Assembly, LH
15 175577X479 Handle Bracket Assembly, RH
16 180071 Spring, Rear Door, LH
17 180072 Spring, Rear Door, RH
18 132004 Keps Locknut 1/4-20
19 179585 Rope Guide
20 189005 Rear Skirt
21 88652 Hinge Screw 1/4-20 x 1-1/4
24 Engine, Briggs & Stratton, Model Number 12H602 (For

engine service and replacement parts, call Briggs & Stratton
at 1-800-233-3723)

25 150406 Hex Head Thread Rolling Screw 3/8-16 x 1-1/8
26 83923 Hex Flange Nut
27 181383 Wheel
28 160828 Shoulder Bolt 5/16-18 x .33
30 180411X004 Axle Arm Assembly, RR
31 175478 Selector Knob
32 175053X004 Selector Spring
33 73800500 Nut, Hex 5/16-18
34 180412X004 Axle Arm Assembly, LR
36 184193 Bolt
37 150078 Thread Cutting Screw w/Sems 5/16-18 x 3/4
38 183901 Washer
40 188839X004 Mounting Bracket, Debris Shield
41 188040 Screw
43 188784 Debris Shield
44 176710 Kit, Housing (Includes Key Numbers 10, 11, 12 and 45)
45 107339X Danger Decal
46 189179 Blade Adapter / Pulley
47 189028 Blade, 21"
48 851074 Hardened Washer
49 850263 Helical Washer 3/8-24 x 1-3/8 Grade 8
50 851084 Hex Head Machine Screw 3/8-24 x 1-3/8 Grade 8
51 111190X Clamp, Cable
52 83816 Screw, Cable Clamp
53 174221 Throttle Control
54 183365 Screw
59 175071 Discharge Deflector
60 175735 Hinge Bracket Assembly
61 175285 Spring
62 175650 Rod, Hinge
63 73800400 Nut, Hex
64 175066 Mulcher Door

162300 Warning Decal (Not shown)

PR7Y21CHB (2004) Page 5 of 7
Mower Housing & Handle Assembly

Ref # Part Number Qty Description

172787 Operator's Manual, English
172788 Operator's Manual, French
192369 Repair Parts Manual, English / French

PR7Y21CHB (2004) Page 6 of 7
Wheel & Tire Assembly

PR7Y21CHB (2004) Page 7 of 7
Wheel & Tire Assembly

Ref # Part Number Qty Description

1 184587 Control Cable Assembly

2 167387 Bearing, Wheel Adjuster

3 191730 Locknut #10-24

4 158755 Hex Washer Head Screw 1/4-20 x 2.12

5 175436 V-Belt

6 150495 Spring Retainer

8 77400 Hubcap

9 145212 Locknut
11 180766 Wheel & Tire Assembly
12 12000058 E-Ring
13 137054 Pinion
14 189403 Dust Cover
16 67725 Washer 1/2 x 1-1/2 x .134
18 170143 Selector Knob
26 175262 Pan Head Tapping Screw #10-24 x 2-3/4
28 180329 Drive Cover
31 132010 Hex Flange Nut
32 189407 Drive Pulley
35 172291 Kit, Wheel Adjuster, LH (Includes Knob and Bearing)
36 180184 Gear Case Assembly (See Breakdown)
37 137090 Spring
38 73800400 Locknut 1/4-20
41 172290 Kit, Wheel Adjuster, RH (Includes Knob and Bearing)
54 188985 Grassbag Assembly
55 175739 Driveshaft Cover
57 188815 Frame, Grassbag