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MERCURY/MARINER
Internal Engine System
2 RING INLINE PISTON & RINGS APPLICATION
Beginning
Ending
Dia.
Pistons
Piston Rings
H.P.
Cyl.
Serial No.
Serial No.
(Bore)
Std. (Port)
Stbd.
.015" O.S.
Stbd.
.030" O.S. Stbd.
Std.
.015" O.S.
.030" O.S.
V-200 (2.5L)
V-6
C291520
D081999
3.500
18-4635
18-4636
18-4637 18-4638
NA
NA
18-3982
18-3983
18-3984
w/ rod
#644-818141)
V-200 (2.5L)
V-6
D082000
& UP
3.500
18-4635
18-4636
18-4637 18-4638
NA
NA
18-3982
18-3983
18-3984
V-200
V-6
C100861
C291519
3.375
18-4600
18-4555
--
--
--
--
18-3927
--
--
XRI EFI
V-200
V-6
C291520
G960499
3.375
18-4635
18-4636
18-4637 18-4638
NA
NA
18-3982
18-3983
18-3984
XRI EFI
V-220
V-6
B117316
UP
3.375
18-4600
18-4555
--
--
--
--
18-3927
--
--
V-225
V-6
5628028
D280812
3.375
18-4600
18-4555
--
--
--
--
18-3927
--
--
V-225 (3.0L)
V-6
D280813
UP
3.625
18-4639
18-4640
18-4641 18-4642 18-4643
18-4644 18-4050
18-4051
18-4052
Sierra V-6 Piston Kit Contents ( See Application Charts for Specific Applications )
Model / HP
Cyl.
Bore size
Piston
OEM Part #
Piston Ring
OEM Part #
Wrist Pin
Circlips
18-4010
18-3921
18-4287
135, 150 2 Liter
V-6
3.125 / Std. (port)
765-7442T32
39-93481A12
N.S.S.
18-4011
18-3921
18-4287
135, 150 2 Liter
V-6
3.125 / Std. (stbd)
765-7441T32
39-93481A12
N.S.S.
18-4012
18-3922
18-4287
135, 150 2 Liter
V-6
3.140 / .015 (port)
765-7444A11
39-78918A4
N.S.S.
18-4013
18-3922
18-4287
135, 150 2 Liter
V-6
3.140 / .015 (stbd)
765-7443A11
39-78918A4
N.S.S.
18-4014
18-3923
18-4287
135, 150 2 Liter
V-6
3.155 / .030 (port)
765-7446A11
39-85636A4
N.S.S.
18-4015
18-3923
18-4287
135, 150 2 Liter
V-6
3.155 / .030 (stbd)
765-7445T11
39-85636A4
N.S.S.
18-4510
18-3921
18-4287
135-175
V-6
3.125 / Std. (port)
765-7442A3, A36
39-93481A12
N.S.S.
18-4545
18-3921
18-4287
135-175
V-6
3.125 / Std. (stbd)
765-7441A3, A36
39-93481A12
N.S.S.
--
18-3922
18-4287
135-175
V-6
3.140 / .015 (port)
765-7442A2, A12
39-78918A4
N.S.S.
18-4560
18-3922
18-4287
135-175
V-6
3.140 / .015 (stbd)
765-7443A2, A12
39-78918A4
N.S.S.
18-4540
18-3923 ➃
18-4287
135-175
V-6
3.155 / .030 (port)
N/A
39-85636A4
N.S.S.
18-4575
18-3923 ➃
18-4287
135-175
V-6
3.155 / .030 (stbd)
N/A
39-85636A4
N.S.S.
18-4600
18-3927
18-4287
175-225
V-6
3.375 / Std. (port)
766-8667A41/ T41
39-813011A12
N.S.S.
--
18-3927
18-4287
175-225
V-6
3.375 / Std. (stbd)
766-8666A41/ T41
39-813011A12
N.S.S.
--
18-3925
18-4287
175-225
V-6
3.390 / .015 (port)
766-8667A36/ A43
39-815267A4
N.S.S.
--
18-3925
18-4287
175-225
V-6
3.390 / .015 (stbd)
766-8666A36/ A43
39-815267A4
N.S.S.
--
--
18-4287
175-225
V-6
3.405 / .030 (port)
NLA
NLA
N.S.S.
--
18-3924
18-4287
150 XR4/MAG II
V-6
3.375 / Std. (port)
766-8667A42/ T42
39-18487A12
N.S.S.
18-4555
18-3924
18-4287
150 XR4/MAG II
V-6
3.375 / Std. (stbd)
766-8666A42/ T42
39-18487A12
N.S.S.
18-4565
18-3925
18-4287
150 XR4/MAG II
V-6
3.390 / .015 (port)
766-8667A36/ A43
39-815267A4
N.S.S.
--
18-3925
18-4287
150 XR4/MAG II
V-6
3.390 / .015 (stbd)
766-8666A36/ A43
39-815267A4
N.S.S.
18-4580
--
18-4287
150 XR4/MAG II
V-6
3.405 / .030 (port)
NLA
NLA
N.S.S.
140-200,
18-4635
18-3982
18-4287
XR6/MAG III
V-6
3.500 / Std. (port)
785-9737T9
39-822321A12
N.S.S.
140-200,
18-4636
18-3982
18-4287
XR6/MAG III
V-6
3.500 / Std. (stbd)
785-9738T9
39-822321A12
N.S.S.
140-200,
18-4637
18-3983
18-4287
XR6/MAG III
V-6
3.515 / .015 (port)
785-9737A10
39-822321A1
N.S.S.
140-200,
18-4638
18-3983
18-4287
XR6/MAG III
V-6
3.515 / .015 (stbd)
785-9738T10
39-822321A1
N.S.S.
18-4639
18-4050
18-4287
225 (3.0L)
V-6
3.6265 / Std. (port)
700-858294T1
39-827179A12
N.S.S.
18-4640
18-4050
18-4287
225 (3.0L)
V-6
3.6265 / Std. (stbd)
700-858295T1
39-827179A12
N.S.S.
18-4641
18-4051
18-4287
225 (3.0L)
V-6
3.6415 / .015 (port)
700-878571A2
39-826293A12
N.S.S.
18-4642
18-4051
18-4287
225 (3.0L)
V-6
3.6415 / .015 (stbd)
700-878572A2
39-826293A12
N.S.S.
18-4643
18-4052
18-4287
225 (3.0L)
V-6
3.6565 / .030 (port)
700-878573A2
39-826297A12
N.S.S.
18-4644
18-4052
18-4287
225 (3.0L)
V-6
3.6565 / .030 (stbd)
700-878574A2
39-826297A12
N.S.S.
6 of 18-3982 = 1 of 39-822321A12
4 of 18-3900 = 1 of 39-21665A12
3 of 18-3919 = 1 of 39-817096A16
2 of 18-3925 = 1 of 39-815267A4
4 of 18-3983 = 1 of 39-822321A1
4 of 18-3902 = 1 of 39-78816A12
3 of 18-3920 = 1 of 39-817096A26
6 of 18-3966 = 1 of 39-18653A12
4 of 18-3984 = 1 of 39-822321A2
4 of 18-3903 = 1 of 39-27841A12
6 of 18-3921 = 1 of 39-93481A12
6 of 18-3968 = 1 of 39-18653A2
6 of 18-4050 = 1 of 39-827179A12
4 of 18-3916 = 1 of 39-78811A12
2 of 18-3922 = 1 of 39-78918A4
6 of 18-3967 = 1 of 39-18653A1
6 of 18-4051 = 1 of 39-826293A12
4 of 18-3917 = 1 of 39-88392A12
2 of 18-3923 = 1 of 39-85636A4
3 of 18-4019 = 1 of 39-19721A6
6 of 18-4052 = 1 of 39-826297A12
3 of 18-3918 = 1 of 39-817096A6
6 of 18-3924 = 1 of 39-18487A12
3 of 18-4020 = 1 of 39-19721A1
6 of 18-3927 = 1 of 39-813011A12
3 of 18-4021 = 1 of 39-19721A2
➃ For chrome bore blocks
323