KOHLER
MODEL REFERENCE CHARTS
STD.
PISTON
INTAKE
EXHAUST
CONNECTING
MODEL
BORE
ASSEMBLY
RINGS
SIZE
VALVE
VALVE
ROD
SIZE
MUFFLER
DESC.
K91 (4HP)
2.375
--
7-03711
Std.
--
--
--
Std.
7-03666
Screw-On
2.385
--
.010
--
--
--
Bolt-On
2.395
--
--
.020
--
--
--
2.405
--
--
.030
--
--
--
7-037013 (M)
K141 (6HP)
2.9375
7-03807
7-03716
Std.
7-03044
7-03039
--
Std.
7-03666
Screw-On
2.9475
7-03808
7-03766
.010
--
--
--
7-07228
Bolt-On
2.9575
7-03809
--
.020
--
--
--
2.9675
7-03810
--
.030
--
--
--
7-037013(M)
K161 (7HP)
2.9375
7-03807
7-03716
Std.
7-03044
7-03039
--
Std.
7-03666
Screw-On
2.9475
7-03808
7-03766
.010
--
--
--
7-07228
Bolt-On
2.9575
7-03809
--
.020
--
--
--
2.9675
7-03810
--
.030
--
--
--
7-037013(M)
--
K181 (8HP)
2.9375
7-03807
7-03716
Std.
7-03044
7-03039
7-03850
Std.
7-03666
Screw-On
2.9475
7-03808
7-03766
.010
--
--
7-03851
.010
7-07228
Bolt-On
2.9575
7-03809
--
.020
--
--
--
2.9675
7-03810
--
.030
--
--
--
K241 (10HP)
3.251
7-03811
7-03751
Std.
7-03043
7-03040
7-03852
Std.
7-03680
Clamp-On
3.261
7-03812
7-03769
.010
7-03083 (1)
7-03041
7-03853
.010
7-03670
Screw-On
3.271
7-03813
7-03770
.020
--
--
--
3.281
7-03814
7-03771
.030
--
--
--
7-038509(M)
K301 (12 HP)
3.375
7-03815
7-03750
Std.
7-03043
7-03040
7-03854
Std.
7-03680
Clamp-On
7-038503(M)
3.385
7-03816
7-03772
.010
7-03083 (1)
7-03041
7-03855
.010
7-03670
Screw-On
3.395
7-03817
7-03773
.020
--
3.405
7-03818
7-03774
.030
--
7-038509(M)
K321 (14 HP)
3.5
7-03819
7-03763
Std.
7-03043
7-03042
7-03854
Std.
7-03680
Clamp-On
7-038503(M)
3.51
7-03820
7-03775
.010
7-03083 (1)
use 7-03041
7-03855
.010
7-03670
Screw-On
for "D" suffix
3.52
7-03821
--
.020
and later
--
3.53
7-03822
7-03777
.030
--
--
7-038509(M)
K341 (16 HP)
3.75
7-03823
7-03764
Std.
7-03043
7-03042
7-03854
Std.
7-03676
Screw-On
7-038503(M)
3.76
7-03824
--
.010
7-03083 (1)
--
7-03855
.010
3.77
7-03825
--
.020
--
--
3.78
7-03826
--
.030
--
--
K361 (18 HP)
3.75
--
7-03764
Std.
--
--
--
7-03676
Screw-On
3.76
--
--
.010
--
--
--
3.77
--
--
.020
--
--
--
3.78
--
--
.030
--
--
--
K482
3.251
7-03811
7-03751
Std.
7-03043
7-03040
--
7-03670
Screw-On
3.261
7-03812
7-03769
.010
7-03083 (1)
7-03041
--
3.271
7-03813
7-03770
.020
--
--
3.281
7-03814
7-03771
.030
--
--
K532 (20 HP)
3.375
--
--
--
7-03043
7-03040
--
Std.
7-03670
Screw-On
--
--
--
7-03083 (1)
7-03041
--
.010
K582 (23 HP)
3.5
--
7-03763
Std.
7-03043
7-03040
--
Std.
7-03670
Screw-On
3.51
--
7-03775
.010
7-03083 (1)
7-03041
--
.010
3.52
--
--
.020
--
--
--
3.53
--
7-03777
.030
--
--
--
KT17 (17 HP)
3.125
--
7-03779
Std.
--
7-03045
7-038513
Std.
3.135
--
--
.010
--
--
7-038504
.010
--
--
3.145
--
--
.020
--
--
--
3.155
--
--
.030
--
--
--
KT19 (19 HP)
3.125
--
7-03779
Std.
--
7-03045
--
Std.
3.135
--
--
.010
--
--
--
.010
--
--
3.145
--
--
.020
--
--
--
3.155
--
--
.030
--
--
--
7-037013 (M)
--
M8
2.9375
7-03807
7-03716
Std.
7-03044
7-03039
7-03850
Std.
7-07228
Bolt-On
2.9475
7-03808
7-03766
.010
--
--
7-03851
.010
2.9575
7-03809
--
.020
--
--
--
2.9675
7-03810
--
.030
--
--
--
M10
3.251
7-03811
7-03751
Std.
7-03043
7-03041
7-03852
Std.
7-03670
Screw-On
3.261
7-03812
7-03769
.010
--
--
7-03853
.010
3.271
7-03813
7-03770
.020
--
--
--
3.281
7-03814
7-03771
.030
--
--
--
Mahle Pistons
➀ Stellite
(M)
Dash (-) indicates product not available
➁ Low Mount Starter Side
➂ PTO Side,Canister Style, Center Outlet
➃ PTO Side,Canister Style, Filter Side Outlet
➄ PTO Side,Canister Style, Starter Side Outlet
➅ Commercial Mower Canister
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