
PR65Y21CC (2004) Page 1 of 7
Gearcase Assembly 180184

PR65Y21CC (2004) Page 2 of 7
Gearcase Assembly 180184
Ref # Part Number Qty Description
1 183497 Case, Lower Use Dow Corning #709 to reseal Gear Case
Halves.
2 183498 Case, Upper Use Dow Corning #709 to reseal Gear Case
Halves.
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

PR65Y21CC (2004) Page 3 of 7
Mower Housing & Handle Assembly

PR65Y21CC (2004) Page 4 of 7
Mower Housing & Handle Assembly
Ref # Part Number Qty Description
1 183496X479 Upper Handle
2 151721X479 Lower Handle
3 146771 Control Bar
4 133107 Engine Zone Control Cable
5 131959 Handle Bolt
6 136376 Handle Knob
7 51793 Hairpin Cotter
8 66426 Wire Tie
9 180479 Kit, Rear Door (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 175082X479 Handle Bracket Assembly, LH
15 175081X479 Handle Bracket Assembly, RH
16 180071 Spring, LH
17 180072 Spring, RH
18 73800400 Keps Locknut 1/4-20
19 179585 Rope Guide
20 189005 Rear Skirt
21 88652 Hinge Screw 1/4-20 x 1-1/4
22 184941 Engine Pulley
23 187723 Hi-Pro Key
24 Engine, Briggs & Stratton, Model Number 123K02 (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 180406 Wheel
28 187664 Shoulder Bolt
30 186575X004 Axle Arm Assembly, RR
31 170143 Selector Knob
32 175060X004 Selector Spring
34 186576X004 Axle Arm Assembly, LR
35 77400 Hubcap
36 184193 Bolt
38 176185 Washer
39 176235 Push Nut
43 175083 Debris Shield
44 176710 Kit, Lawn Mower Housing
45 107339X Danger Decal
46 184590 Blade Adapter
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
93 175066 Mulcher Door
94 175735 Hinge Bracket
95 175285 Spring
96 175650 Rod, Hinge
99 175071 Discharge Deflector
100 132004 Nut, Hex
101 170294 Throttle Control
102 183365 Screw
103 111190X Clamp
104 83816 Screw
162300 Warning Decal (Not Shown)

PR65Y21CC (2004) Page 5 of 7
Mower Housing & Handle Assembly
Ref # Part Number Qty Description
172787 Operator's Manual, English
172788 Operator's Manual, French
188983 Replacement Parts Manual, English / French

PR65Y21CC (2004) Page 6 of 7
Wheel & Tire Assembly

PR65Y21CC (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 Nut, Hex, Flanged 1/4-20
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 180504 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 181466 Dive 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, Hex 1/4-20
41 172290 Kit, Wheel Adjuster, RH (Includes Knob and Bearing)
54 188985 Grassbag
55 175739 Driveshaft Cover
57 188815 Frame, Grassbag