321D 3-cylinder Kubota Diesel Mower

321D 3-cylinder Kubota Diesel Mower

Blade Spindle Assembly M152

IDParts NumberParts DescriptionNotesPurchase
1623763Left & Right Spindle Assembly (includes items 3-18)
2623780Center M1 Blade Spindle Assembly (includes items 3-9 and 11-19)
3243331Hex Bolt .375-24 x 1
4257041Cupped Washer
5721167Bearing Shield
6110082Ball Bearing 25mm
7320550Machined 5.0 Spindle Housing
8280745Grease Fitting (Zerk)
9903643Deep Spindle Bearing Spacer
10604775Spindle Shaft Assembly - 5.75
11421200Fiber Washer
13257057Hardened-Blade Spindle Washer
14243581Hex Bolt .500-20 x 2
15247141Stud Bolt .312-18 x 1.25
17423680Deflector Cone
1811008025mm Metal Seal Ball Bearing
19604773Spindle Shaft Assembly M1
20281582Square Key .250 x .875
21253035Whiz Nut


IDParts NumberParts DescriptionNotesPurchase
1141160Zoned Electric Temperature Gauge
2141200Voltmeter Gauge
3182327Oil Indicator Light
4182328Temperature Indicator Light
5182325Battery Indicator Light
6182326Brake Indicator Light
7184179Rocker Switch
8183925Push/Pull Switch
9183827Sealed Key Switch - Kubota
23141551Snap-in Hour Meter
24161123Console Decal

Deck Carrier Assembly M152

IDParts NumberParts DescriptionNotesPurchase
1644136Carrier (without footrest) - M152
162187Cutting Height Decal
2121766Oilite Bearing .750 x 1 x 1.5
3261405Clevis Pin .437 x 1.25
5260612Cotter Ring
6420904Tread for Foot Rest Extension
7423696Height Adjustment Spacer M1
8644778Height Adjustment Tube M1
9644305Latch Tube Guide
10775104Deck Latch
11243330Hex Bolt .375-16 x 1
12253890Lock Nut .375-16
13821516Nylon Washer
14243560Hex Bolt .500-13 x 1
15253470Nylon Nut Insert
16730434Height Adjustment Deck Pin
17424052Rubber Bumper
18253035Whiz Nut
19247130Hex Bolt
20253215Flange Bolt .375-16 x 5
21423643Bearing Block - M1
22774064Lift Bearing Plate
23644524Lift Lever - M1 Deck
24644707right Rear Deck Rocker - M1
25644708left Rear Deck Rocker - M1
26263529External Retainer
27882035Spring Rod Shaft Mount
28780661Spring Shaft
29283392Compression Spring
31254490Nut .625-11
32820331Chain - 5 Links M1
33243458Hex Bolt .437-.14 x 1.75 GR 8
34253058Whiz Nut .437-14
35254493Nut .625-18
36123522Bearing Cup
37122522Taper Bearing 1.000 ID
38257320Spring Washer
39254505Jam Nylon-top Lock Nut
40481434Dust Cap
43604365Fork & Lock Nut Assembly
44247725Carriage Bolt .625 x 7
45253970Lock Nut .625-11
46902422Axle Spacer
47603975Wheel Assembly with Bearings
482355Ribbed Tire 13 x 6.50 x 6
483306Wheel without Tire 6 x 4.5
48902429Rear Axle Center Spacer
49120048Wheel Ball Bearing - .625 DP
50732586Adjusting Strap
51243205Hex Bolt
52243565Hex Bolt
253067Flange Spiral Lock Nut
53774155M1 Foot Rest Extension
54724579300/400 Foot Rest Extension

Deck Assembly M152

IDParts NumberParts DescriptionNotesPurchase
1644159M152 Deck with Bolt-On Roller Mount
3243331Hex Bolt .375-24 x 1
5281582Square Key .250 x .875
6422520Nylon Bearing
7253067Flange Spiral Lock Nut
8484230Anti-Scalp Wheel Center Hub 5 x 2.75
9942137Bearing Tube
10247310Carriage Bolt
11644512Roller Lock Pin
12426122Roller 3 x 2"
13243365Hex Bolt .375-16 x 3
14902284Roller Mount Spacer
15253043Whiz Nut .375-16
16253192Hex Flange Whiz Bolt .312-18 x .75
17253035Whiz Nut
18424205M1 52" Deck Flap
19774280M1 52-9861 RT Deflector Strap
20253177Truss Whiz Bolt .250-20 x .750
21253025Whiz Nut .250-20
23824488M1 52/61 Idler Arm with Bearings (includes item 24)
24121650Pedestal Bearing .750 x 1.5
25257041Cupped Washer
27883804Retainer Washer .531 x 1.625
29243580Hex Bolt .500-13 x 2
30257432Lock Washer
31253058Whiz Nut .437-14
32243458Flange Bolt .437-14 x 1.75 GR 8
33820331Chain - 5 Links M1
34722333right Belt Shield 52/220
35722334left Belt Shield 52/220
36253175Hex Bolt .25-20 x .75
37604676Radius Arm Assembly - M1 300
38265665Rod End
39254493Nut .625-18
40253203Flange Whiz Bolt .375-16 x 1
41644086M1 Deck Belt Guide
42254450Nut .375-16
43730391Idler Adjustment J Bolt
44283848Extension Spring
45643632Pivot Mount
46247130Carriage Bolt .312 x .75
47320236Medium Lift Blade - 18"
48320238Contour Blade - 18"
320239High Lift Notch Blade - 18"
320240High-Low Mulch Blade - 18"
320241Extreme High Lift Blade - 18"
49644583Anti-Scalp Roller Mount - right
50643695Anti-Scalp Roller Mount - left
51254431Speed Nut .250-20
522528213 Prong HD Deck Stud
53121756Oilite Bearing .754 x .878 x .50
54604317Flex Discharge Shield Assembly
55422042Flex Discharge Shield
56644570Flex Discharge Shield Mount
57284406Torsion Spring
59260608Cotter Ring
61644608Mulch Plate - right
62644609Mulch Plate - left
63644058Mulch End Cap
64243810Hex Bolt
65253970Lock Nut
66775068Roller Spacer
67247135Carriage Bolt
68253193Hex Flange Whiz Bolt
69901355right Roller Spacer
70423670Idler Arm Stabilizer Cap
71420901Step Tread
72253195Hex Flange Whiz Bolt

Drive Assembly

IDParts NumberParts DescriptionNotesPurchase
1644619Pump Plate
4824484M1 Pumps Idler Arm
5121650Pedestal Bearing
6243365Hex Bolt
8253043Whiz Nut
9257412Lock Washer
10253890Lock Nut
13243601Full Thread Hex Bolt
14257432Lock Washer
16422558Nylon Bearing
17253930Lock Nut
18243575Hex Bolt
19253061Whiz Nut
20283820Extension Spring with Swivel
21253203Flange Whiz Bolt
23388740Electric Clutch
24281582Square Key
25755046Anti-Rotation Bracket
26422088Clutch Bracket Cover
27604776Spring Assembly
28730391Idler Adjustment J Bolt
30243340Hex Bolt
31822686Clear Tubing
32243349Hex Bolt
35243355Hex Bolt
36281301Rubber Draw Latch
37393390Idler Pulley
38121756Oilite Bearing
39755155M1 Fixed Idler Belt Guide
41732520M1 Idler Spring Bracket
42253066Whiz Nut
43604729M1 325 Rear Shield Assembly
44722418325A Lower Panel Rear Shield
45644714321D/52 325 08 Upper RR Shield
46722751322D Clutch Cover
47422090Rear Belt Shield Isolator
48424015Rubber Bumper
49253176Idler Spring Damper
50253025Whiz Nut
51824476HD Mule Drive Idler Arm Assembly
521100802 Metal Seal 25mm Ball Bearing
54885015Heavy Duty Bearing Pedestal
55754003Fixed Idler Tabbed Spacer
56784057Guide Tube
57243038Hex Bolt
1644619Pump Plate
2391462Hydro Pump with Shaft - left
3391463Hydro Pump with Shaft - right
4604528Steering Linkage Rod
5265615Righthand Thread Ball Joint
7265616Lefthand Thread Ball Joint
9281562Square Key
10725338Pump Control Arm - right
11265680Ball Stud
12253035Whiz Nut
14603726Eccentric Roller Assembly
15257410Star External Washer
17253182Hex Whiz Bolt
18253025Whiz Nut
19754128M1 Neutral Return Mount - right
20754129M1 Neutral Return Mount -left
21729136Neutral Return Arm - front right
22729137Neutral Return Arm - front left
23729138Neutral Return Arm - right
24729139Neutral Return Arm - left
25283823Extension Spring
26822304Neutral Return Pivot Bearing
28243335Hex Bolt .375-16 x 1.25
29253890Lock Nut .375-16
30243035Hex Bolt
31253043Whiz Nut
32253038Whiz Nut
33253192Hex Flange Whiz Bolt
34754157300 Series Plate Reinforcement - right
35754158300 Series Plate Reinforcement - left
37885123Fan Mount Hub 10A
383208577" Nylon Fan

Engine Assembly

IDParts NumberParts DescriptionNotesPurchase
1100176Kubota Diesel Engine
2100800Kubota Oil Filter
3603590Muffler & Gasket Assembly
101040Kubota Flange Exhaust Gasket
4100208Air Cleaner
100942Primary Air Filter - short
100943Inner Air Filter - short
5424527721D Air Intake Hose
7643322Engine Mount - wide right
8643323Engine Mount - wide left
9424078Vibration Isolator
10755121Solenoid/Filter Mount
11101000Kubota Fuel Filter
12243240Hex Bolt
13253035Whiz Nut
14271121Hex Bolt FL
15101612Kubota Radiator
16101058Upper Radiator Hose
17101059Lower Radiator Hose
18101080Radiator Isolator Bushing
19729327Radiator Clamp Channel
20644819Upper Hood
21822639Hood Trim - front
22822637Hood Trim - rear
23822510Air Cleaner 9.0 Trim Seal
24644837321D Rear Hood Support
644847321D Hood Support
25644338Rear Hood
645305W/A Rear Hood
26902297.25 THK Spacer
27253440Nylon Insert Nut
28253175Hex Whiz Bolt
29253173Hex Whiz Bolt
30280303Screw-type Hose Clamp
31722762Side Hood - right
32822503Air Cleaner Trim Seal
33644067Intake Box Mount
34644071Intake Box Cover
35644314Side Hood - left
36422012Expansion Tank
38821748Clear Vent Hose
40280260Spring Hose Clamp
41824637Clutch Stub Shaft
42270075M8 Socket Head Screw
43644672Radiator Mount
44644668Radiator Grille (with Guard)
45422090Rear Belt Shield Isolator
46822636Radiator Grille Trim
47604805Swell Latch Assembly
48253192Hex Whiz Flange Bolt
49603350Fuel Solenoid Assembly
50603209Fuel Solenoid Cable Assembly
52265610Ball Joint
53180635Conduit Clip
54250258Machine Screw
55253020Whiz Nut
56253025Whiz Nut
57253043Whiz Nut
58723063Throttle Linkage Extension
59253176Whiz Truss Bolt
60721006Fan Shield

Reservoir And Hose Assembly

IDParts NumberParts DescriptionNotesPurchase
1603602Wheel Motor with Hub
3243597Wheel Motor Diamond Head Bolt
4754068300S Tank Rail - right
5754069300S Tank Rail - left
6253192Hex Flange Whiz Bolt .312-18 x .75
7253035Whiz Nut
8603606M1 300/400 Oil Reservoir Assembly
36363890 degree Fitting
360058Straight Fitting
9732557Oil Tank Strap
10100728Oil Reservoir Dipstick - M1
11363826Straight Barbed Fitting
12360069Adapter Fitting
126529O Ring
126537O Ring
13644619Pump Plate
14391462Hydro Pump - left
15391463Hydro Pump - right
16732882Pump Plate Rein Strap
17360046Adapter Fitting
126527O Ring
126535O Ring
18363832Steel O-Ring Boss Fitting
19243335Hex Bolt
20821724Clear Vent Hose
22424375Hose Assembly
23424377Hose Assembly
24424321Hose Assembly
25366553In-Line Strainer
26821793Hydraulic Hose
27280266Spring Hose Clamp
28424317Return Hose Assembly
29821787Hydraulic Hose
30280264Spring Hose Clamp
31101024Filter Base - M1 Series
32253173Hex Whiz Bolt
33100855High-Efficiency Transaxle Oil Filter
34257432Lock Washer

Seat And ROPS Assembly

IDParts NumberParts DescriptionNotesPurchase
1321518Cordura Seat Cushion
2321519Cordura Back Cushion
3321523Contoured Cordura Armrest
4723386Seat Side with Armrest Extension - right
5723387Seat Side with Armrest Extension - left
6822630Seat Edge Trim
7643932Seat Platform - 300S Dual Latch
8253193Hex Flange Whiz Bolt .312-18 x 1
9722388Seat Reinforcement Back Panel
10253191Hex Flange Whiz Bolt .312
11183871Twist-in Seat Switch
12424095Seat Isolator
13644618Seat Hinge Pin
14253192Hex Flange Whiz Bolt .312-18 x .75
15253035Whiz Nut
16754240Seat Latch
17754226Dual Latch Mount Bracket
18730230Seat Latch Pivot Pin
19284408Torsion Spring
20260606Cotter Ring
21253043Whiz Nut
22253176Truss Hex Whiz Bolt
23253025Whiz Nut
24324200Non-retractable Seat Belt
25243551Hex Bolt
28253470Nylon Insert Nut
29324104M1 ROPS (Roll-Over Protection Structure)
30643862ROPS Mount - right
31643863ROPS Mount - left
32243600Hex Bolt
33253930Lock Nut
34243570Hex Bolt
35243565Hex Bolt
36253067Flange Spiral Lock Nut
37283516Compression Spring
38422127Seat Spring Cap
39253203Flange Whiz Bolt

Steering Assembly

IDParts NumberParts DescriptionNotesPurchase
1604778Steering Lever Assembly - Wide STD
2643926Adjustable Steering Lever Mount
3253195Hex Flange Whiz Bolt
4253450Nylon Insert Nut
5422179Handle Grip
6422095Vinyl Cap .75 ID
7604771right Steering Pivot with Stop & Bearings
8604772left Steering Pivot with Stop & Bearings
9422559Sleeve Bearing with Flange
10422557Sleeve Bearing
11257019Flat Washer
13422556Sleeve Bearing with Flange
14283324Compression Spring
15253470Nylon Insert Nut
16243197Hex Bolt .312-18 x .75
17254438Adjustable Lever Nut .312-16

Tractor Assembly

IDParts NumberParts DescriptionNotesPurchase
1644282Frame - Lower M1 200
2644248M1 300/400 Upper Frame
3257037Rubber Step Bushing
5243220Hex Bolt .312-18 x 1.750
6253450Nylon Insert Nut .312-18
7644139Console 300S M1
8644141Console Mount - 300 Console
9754068Tank Rail - right 300S
10754069Tank Rail - left 300S
11253192Hex Flange Whiz Bolt .312-18 x .75
12253035Whiz Nut
13723091Tank Bracket
14253025Whiz Nut .250-20
15253176Truss Whiz Bolt .250-.20 x .500
16283516Compression Spring
17253203Flange Whiz Bolt
18253043Whiz Nut .375-16
19422127Seat Spring Cap
20644108Battery Box with Strap
21427275Battery Tray Pad
22604785Battery Hold-down Strap
23604801M1 Diesel Tank Assembly
24100211Screw-on Diesel Fuel Tank Cap
25363922Fuel Tube
26141140In-Tank Fuel Gauge
424275Grommet - Fuel Gauge Mount
27101875Fuel Tube Bushing
28363920Fuel Tube
29644265M1 Fender - right
163414Trim Decal - right
30644266M1 Kubota Fender - left
163415Trim Decal - left
31822632Fender Edge Trim
32422079Plug for Worklamp Hole
33254431Speed Nut
34253173Hex Whiz Bolt
35422040Tool Box
36150225Cup Holder
37259030Cap Screw
39248565Lug Bolt .500 x .875
40483960Wheel & Tire 23 x 10.5 x 12
483445Wheel Only 12 x 8.5 x 5.750 (for 52" Decks)
482485Turf Tire 23 x 10.5 x 12
41783277Belt Guard Strap
42644269LC M1-52/61 Footrest
43420905Foot Rest Tread
44424095Seat Isolator
45644618Seat Hinge Pin
46603858Throttle Assembly - 321D
323656Throttle Control Cable
722009Throttle Lever Stop
47422150Handle Grip
48101005Kubota Fuel Prefilter
49821717Fuel Line Hose 300S
50280261Spring Hose Clamp
51821741300S Fuel Line Hose
52280257Spring Hose Clamp
53722495M1 Tank Shield
54723050300 Hydro Debris Shield - right
55723051300 Hydro Debris Shield - right
56605299Decal Set - 321D

Wheel Motor And Brake Assembly

IDParts NumberParts DescriptionNotesPurchase
1603602Wheel Motor with Hub
2257432Lock Washer
3243597Wheel Motor Diamond Head Bolt
4644077Bolt-In Brake Tube
5253192Hex Flange Whiz Bolt
6253035Whiz Nut
7604440Bolt-On Rotor Wheel Hub
7751928.0 Brake Rotor
259592Socket Head Screw
8644121Caliper Mount M1/G2
9247130Carriage Bolt .312 x .75
10481103Caliper Brake Assembly - right
603150Brake Pad Kit
11481102Caliper Brake Assembly - left
603150Brake Pad Kit
12776056Brake Caliper Arm
13243195Hex Bolt
15880926.312 Brake Linkage Pin
16730158M1 Brake Linkage Rod
177761747.75 Rotor Brake Mount
18644173Brake Tube - 300
21243330Hex Bolt .375-16 x 1
22253043Whiz Nut
23644447Brake W/A Lever
24265537Clevis Yoke
26780157Linkage Rod
27261284Clevis Pin .312 x 1
28422150Handle Grip
29183894Brake Interlock Switch
30250258Machine Screw
31253020Whiz Nut
32281860Woodruff Key
33248565Lug Bolt
35243340Hex Bolt
36260606Cotter Ring
39774145M1 Reinforcement Pin

Wiring Lights

IDParts NumberParts DescriptionNotesPurchase
1141160Electric Zoned Temperature Gauge
2141200Voltmeter Gauge
3182327Oil Indicator Light
4182328Temperature Indicator Light
5182325Battery Indicator Light
6182326Brake Indicator Light
7184179Light Switch
8183925Push / Pull Switch
9183827Kubota Sealed Key Switch
101106Kubota Double Notch Ignition Key
10183860Lever Switch
720160Right Steering Switch Mount
11183860Lever Switch
720161Left Steering Switch Mount
12182253Worklamp (Flood)
13182005Light Bulb for Worklamp
14182251Snap-Mount Bezel for Worklamp
15183870Seat Safety Switch
1618427212 volt DC Relay
184570Type 1 6mm Push-On
184581.250 Faston Terminal
1849265-Way Female Connector
17181722Fuse Block
1844581 Wire Fuse Clip
1844602 Wire Fuse Clip
184472Double Wire Fuse Clip
18181470Auto ATC 30 Amp Fuse
181465Auto ATC 15 Amp Fuse
181462Auto ATC 10 Amp Fuse
181460Auto ATC 7.5 Amp Fuse
19141551Snap-in Hour Meter
20183894Brake Interlock Switch
21185530Voltage Regulator - 12 volt
18013012 volt Side Post Wet Battery
243309Hex Bolt
2218031314" Red Battery Cable
425215Red Alternator Terminal Boot
425219Starter Terminal Boot
425223Battery Terminal Boot
2318028220" Black Battery Cable
24184217D902 Switch Interlock Module
25141222Temperature Sender
26388840Pigtail Cable Assembly
27423690PC Board Support Spacer
28605923322D/325D Wiring Assembly
29161142M1 321D Console Decal