Sierra Marine Parts Catalog: Mercruiser
SERPENTINE BELTS
BELT INTERCHANGE
part #
oe #
Width
Length
part #
oe #
Width
Length
57-861049
13/16
104.25
57-863876 3
13/16
106.25
57-861757
13/16
97.5
57-863876 4
13/16
76.5
57-861758
13/16
86.75
57-863876 6
13/16
105
57-863876 1
13/16
111.25
57-863876 7,
57-865615005
13/16
87.5
57-865615007
13/16
96.75
57-865615010
13/16
86
57-863876 8
13/16
99.5
57-864639
13/16
85
57-863876 9,
57-817113
1-3/8
53.5
57-865615009
13/16
69.75
57-8077554
13/16
88
BELT APPLICATION
Engine
Years
Serial #
Part #
Mercruiser #
Footnote Engine
Years
Serial #
Part #
Mercruiser #
Footnote
5.7L Bravo
2002-04
oM600000 & up
57-863876 6
3, 5, 7
4.3L Alpha
1996-99
oF803000-oL618999
57-861758
2, 6
5.7L Bravo
2000-04
oL619000 & up
57-863876 8
4, 7
4.3L Alpha
2000-04
oL619000 & up
57-863876 4
3, 6, 7
5.7L Ski
1997-02
oK040004-oM316999
57-8077554
2000-04
oL619000 & up
57-863876 8
4, 5, 7
4.3L Alpha
5.7L Ski
2002-05
oM317000 & up
57-865615005
4.3L Alpha
2000-04
oL619000 & up
57-865615009
4, 6, 7
5.7L MIe
2001-05
oL677227 & up
57-865615005
1996-99
oF803000-oL618999
57-861049
2, 5
4.3L Bravo
377 Scorpion MCM
1999-04
oL416146 & up
57-861757
4.3L Bravo
1996-99
oF803000-oL618999
57-861757
2, 6
377 Scorpion Ski
1997-98
oK000656 & up
57-8077554
2000-04
oL619000 & up
57-863876 8
4, 7
4.3L Bravo
454 Mag MpI
1998-01
oL010029-oM024999
57-861049
1
5.0L Bravo
2002-04
oM600000 & up
57-863876 6
3, 5, 7
1998-01
oL010029-oM024999
57-863876 6
2
454 Mag MpI
5.0L Alpha
1998-99
oL012052-oL618999
57-861049
5
454 Mag MpI
1998-01
oL010029-oM024999
57-865615007
4
5.0L Alpha
1998-99
oL012052-oL618999
57-861758
2,6
454 Mag MpI Horizon MIe
1998-01
oL002200-oL674000
57-865615007
2000-04
oL619000 & up
57-863876 4
3, 6, 7
5.0L Alpha
496 Mag & Ho
2000-04
oM025000 & up
57-863876 1
5.0L Alpha
2002-04
oM600000 & up
57-863876 6
3, 5, 7
500 eFI
1999-04
oL001477 & up
57-8077554
5.0L Alpha
2001-04
oL619000 & up
57-863876 8
4, 5, 7
502 Mag MpI
1998-01
oL017000-oM024999
57-861049
1
5.0L Alpha
2000-04
oL619000 & up
57-865615009
4, 6, 7
1998-01
oL017000-oM024999
57-865615007
4
502 Mag MpI
5.0L Bravo
1998-99
oL012052-oL618999
57-861049
2, 5
502 Mag. MpI
1998-01
oL017000-oM024999
57-863876 6
2
5.0L Bravo
1998-99
oL012052-oL618999
57-861757
2, 6
525 SC
1991-96
0D456000-745215
57-817113
2000-04
oL619000 & up
57-863876 8
4, 7
5.0L Bravo
575 Sci
2000-05
0L306696 & up
57-817113
8
350 Mag, Alpha
1997-04
oK001501-oL618999
57-861049
2, 5
575 Sci
2000-05
oL306696 & up
57-8077554
9
350 Mag, Alpha
1997-04
oK001501-oL618999
57-861758
2, 6
600 SC
1991-96
0D456489-0F877462
57-817113
350 Mag, Alpha
2000-04
oL619000 & up
57-865615007
3, 6, 7
600 SC
1998
0K000227 & up
57-817113
350 Mag, Alpha
2002-04
oM600000 & up
57-863876 6
3, 5, 7
7.4L MpI
1998-01
oL010003-oM024330
57-861049
1
2000-04
oL619000 & up
57-863876 8
4, 5, 7
350 Mag, Alpha
7.4L MpI
1998-01
oL010003-oM024330
57-863876 6
2
350 Mag, Alpha
2000-04
oL619000 & up
57-865615009
4, 6, 7
7.4L MpI
1998-01
oL010003-oM024330
57-865615007
4
350 Mag, Bravo
1997-04
oK001501-oL618999
57-861049
2, 5
7.4L MpI MIe
1998-01
oL002006-oM025999
57-865615007
350 Mag, Bravo
1997-04
oK001501-oL618999
57-861757
2, 6
Black Scorpion Ski
1997-01
oK040001-oM391599
57-8077554
350 Mag, Bravo
2002-04
oM600000 & up
57-863876 6
3, 5, 7
Black Scorpion Ski
2003-05
oM391600 & up
57-865615005
350 Mag, Bravo
2000-04
oL619000 & up
57-863876 8
4, 7
MX 6.2L Blk Scorpion Ski
2001
oL670015-oM391599
57-8077554
350 Mag MpI MIe
2001-05
0L678399-up
57-865615005
6
MX 6.2L MpI
2002-04
oM600000 & up
57-863876 6
3, 5
350 Mag MpI MIe
2002-05
oM317000 & up
57-865615010
5
MX 6.2L MpI
2000-04
oL680003 & up
57-863876 8
4, 7
350 Mag MpI Ski
2001-05
oM300000 & up
57-865615005
MX 6.2L MpI Horizon
2002-04
oM600000 & up
57-863876 6
3
350 Mag MpI Horizon MIe
2001-02
oL678399-oM316999
57-865615005
MX 6.2L MpI Horizon
2001-04
oM300000 & up
57-863876 8
4
350 Mag MpI Horizon MIe
2001-05
oM317000 & up
57-865615010
MX 6.2L MpI Horizon MIe
2001
oM300000-oM310099
57-8077554
5.7L Alpha
1997-99
oK001501-oL618999
57-861049
2, 5
MX 6.2L MpI Horizon MIe
2001-05
oM310100 & up
57-865615005
6
5.7L Alpha
1997-99
oK001506-oL618999
57-861758
2, 6
MX 6.2L MpI Horizon MIe
2002-05
oM317000 & up
57-865615010
5
5.7L Alpha
2000-04
oL619000 & up
57-863876 4
3, 6, 7
MX 6.2L MpI MIe
1999-01
oL670000-oM310099
57-8077554
5.7L Alpha
2002-04
oM600000 & up
57-863876 6
3, 5, 7
MX 6.2L MpI MIe
2001-05
oM310100 & up
57-865615005
6
5.7L Alpha
2000-04
oL619000 & up
57-863876 8
4, 5, 7
MX 6.2L MpI MIe
2002-05
oM317000 & up
57-865615010
5
5.7L Alpha
2000-05
oL619000 & up
57-865615009
4, 6, 7
MX 6.2L MpI Ski
2002-05
oM317000 & up
57-865615005
5.7L Bravo
1997-99
oK001506-oL618999
57-861049
2, 5
8.2L MpI MIe
1998-01
oL002450-oL674200
57-865615007
5.7L Bravo
1997-99
oK001506-oL618999
57-861757
2, 6
Footnote
1: Use with plastic 4-3/4" dia. p/s pump pulley
4: For engines without power steering
7: Engines with high mounted alternators
2: Use with metal 5-3/4" dia. p/s pump pulley
5: For engines with closed cooling
8: Blower
649
3: For engines with power steering
6: For engines with standard cooling
9: Alternator