Page 798 - 2021 Sierra Catalog
P. 798
780
1: Use with plastic 4-3/4" dia. p/s pump pulley 2: Use with metal 5-3/4" dia. p/s pump pulley 3: For engines with power steering
4: For engines without power steering 5: For engines with closed cooling
6: For engines with standard cooling
7: Engines with high mounted alternators 8: Blower
9: Alternator
Part No.
18-15100 18-15101
18-15102 18-15103 18-15104
18-15112 18-15113
Engine
4.3L Alpha
4.3L Alpha
4.3L Alpha
4.3L Bravo
4.3L Bravo
4.3L Bravo
5.0L Bravo
5.0L Alpha
5.0L Alpha
5.0L Alpha
5.0L Alpha
5.0L Alpha
5.0L Bravo
5.0L Bravo
5.0L Bravo
350 Mag, Alpha
350 Mag, Alpha
350 Mag, Alpha
350 Mag, Alpha
350 Mag, Alpha
350 Mag, Bravo
350 Mag, Bravo
350 Mag, Bravo
350 Mag, Bravo
350 Mag MPI MIE
350 Mag MPI Ski
350 Mag MPI Horizon MIE 5.7L Alpha
5.7L Alpha 5.7L Alpha 5.7L Alpha 5.7L Alpha 5.7L Bravo
Part No.
18-15114 18-15115 18-15116 18-15119 18-15121 18-15123
OE #
57-861049, 57-861049Q
57-861757, 57-861757Q
57-861758, 57-861758Q
57-8638761, 57-8623523, 57-865615001, 57-865615Q01 57-865615005, 57-865615Q05, 57-8638765, 57-865423005 57-864639
Width
13/16 13/16 13/16 13/16 13/16 13/16
Mercruiser #
57-861757 57-863876 6 57-863876 8 57-8077554 57-865615005 57-865615005 57-861757 57-8077554 57-861049 57-863876 6 57-865615007 57-865615007 57-863876 1 57-8077554 57-861049 57-865615007 57-863876 6 57-8077554 57-861049 57-863876 6 57-865615007 57-865615007 57-8077554 57-865615005 57-8077554 57-863876 6 57-863876 8 57-863876 6 57-863876 8 57-8077554 57-865615005 57-8077554 57-865615005
Length (in.)
104.25 97.5 86.75 111.25 87.5 85
Foothole
2, 6 3, 5, 7 4, 7
1 2 4
1 4 2 9 1 2 4
3, 5 4, 7 3
4
6 6
OE #
57-8638763, 57-862807, 57-862087A1, 57-865615003, 57-865615Q03
57-8638764, 57-862086, 57-8620861, 57-862086A1, 57-865615004, 57-865615Q04
57-8638766, 57-8610491, 57-865615006, 57-865615Q06
57-8638767, 57-865615007, 57-861050, 57-865615Q07
57-8638768, 57-862089, 57-862089A1, 57-865615008, 57-865615Q08
Width Length (in.)
13/16 106.25
13/16 76.5
13/16 105 13/16 96.75 13/16 99.5
13/16 88 13/16 75.75
57-8077554, 57-807755Q04 57-8077555
Years Serial #
1996-99 OF803000-OL618999 2000-04 OL619000 & up 2000-04 OL619000 & up 1996-99 OF803000-OL618999 1996-99 OF803000-OL618999 2000-04 OL619000 & up 2002-04 OM600000 & up 1998-99 OL012052-OL618999 1998-99 OL012052-OL618999 2000-04 OL619000 & up 2002-04 OM600000 & up 2001-04 OL619000 & up 1998-99 OL012052-OL618999 1998-99 OL012052-OL618999 2000-04 OL619000 & up 1997-04 OK001501-OL618999 1997-04 OK001501-OL618999 2000-04 OL619000 & up 2002-04 OM600000 & up 2000-04 OL619000 & up 1997-04 OK001501-OL618999 1997-04 OK001501-OL618999 2002-04 OM600000 & up 2000-04 OL619000 & up 2001-05 0L678399-up
2001-05 OM300000 & up 2001-02 OL678399-OM316999 1997-99 OK001501-OL618999 1997-99 OK001506-OL618999 2000-04 OL619000 & up 2002-04 OM600000 & up 2000-04 OL619000 & up 1997-99 OK001506-OL618999
Footnotes
Part #
18-15116 18-15101 18-15104 18-15114 18-15115 18-15104 18-15102 18-15114 18-15116 18-15101 18-15102 18-15104 18-15114 18-15115 18-15104 18-15114 18-15116 18-15103 18-15102 18-15104 18-15114 18-15115 18-15102 18-15104 18-15121 18-15121 18-15121 18-15114 18-15116 18-15101 18-15102 18-15104 18-15114
Mercruiser #
57-861758 57-863876 57-863876 57-861049 57-861757 57-863876 57-863876 57-861049 57-861758 57-863876 57-863876 57-863876 57-861049 57-861757 57-863876 57-861049 57-861758 57-865615007 57-863876 6 57-863876 8 57-861049 57-861757 57-863876 6 57-863876 8 57-865615005 57-865615005 57-865615005 57-861049 57-861758 57-863876 4 57-863876 6 57-863876 8 57-861049
Foothole
2, 6 3, 6, 7 4, 5, 7 2, 5 2, 6 4, 7 3, 5, 7 5
2,6
3, 6, 7 3, 5, 7 4, 5, 7 2, 5 2, 6 4, 7 2, 5 2, 6 3, 6, 7 3, 5, 7 4, 5, 7 2, 5 2, 6 3, 5, 7 4, 7
6
2, 5 2, 6 3, 6, 7 3, 5, 7 4, 5, 7 2, 5
Engine
5.7L Bravo
5.7L Bravo
5.7L Bravo
5.7L Ski
5.7L Ski
5.7L MIE
377 Scorpion MCM 377 Scorpion Ski 454 Mag MPI
454 Mag MPI
454 Mag MPI
454 Mag MPI Horizon MIE 496 Mag & HO
500 EFI
502 Mag MPI
502 Mag MPI
502 Mag. MPI
575 Sci
7.4L MPI
7.4L MPI
7.4L MPI
7.4L MPI MIE
Black Scorpion Ski
Black Scorpion Ski
MX 6.2L Blk Scorpion Ski MX 6.2L MPI
MX 6.2L MPI
MX 6.2L MPI Horizon
MX 6.2L MPI Horizon
MX 6.2L MPI Horizon MIE MX 6.2L MPI Horizon MIE MX 6.2L MPI MIE
MX 6.2L MPI MIE
Years Serial #
1997-99 OK001506-OL618999 2002-04 OM600000 & up 2000-04 OL619000 & up 1997-02 OK040004-OM316999 2002-05 OM317000 & up 2001-05 OL677227 & up 1999-04 OL416146 & up 1997-98 OK000656 & up 1998-01 OL010029-OM024999 1998-01 OL010029-OM024999 1998-01 OL010029-OM024999 1998-01 OL002200-OL674000 2000-04 OM025000 & up 1999-04 OL001477 & up 1998-01 OL017000-OM024999 1998-01 OL017000-OM024999 1998-01 OL017000-OM024999 2000-05 OL306696 & up 1998-01 OL010003-OM024330 1998-01 OL010003-OM024330 1998-01 OL010003-OM024330 1998-01 OL002006-OM025999 1997-01 OK040001-OM391599 2003-05 OM391600 & up
2001 OL670015-OM391599 2002-04 OM600000 & up 2000-04 OL680003 & up 2002-04 OM600000 & up 2001-04 OM300000 & up
2001 OM300000-OM310099 2001-05 OM310100 & up 1999-01 OL670000-OM310099 2001-05 OM310100 & up
Part #
18-15115 18-15102 18-15104 18-15112 18-15121 18-15121 18-15115 18-15112 18-15114 18-15102 18-15103 18-15103 18-15119 18-15112 18-15114 18-15103 18-15102 18-15112 18-15114 18-15102 18-15103 18-15103 18-15112 18-15121 18-15112 18-15102 18-15104 18-15102 18-15104 18-15112 18-15121 18-15112 18-15121
SERPENTINE BELTS
BELT INTERCHANGE
I/O — MERCRUISER - Cooling System
BELT APPLICATION
4 8
8 6
4 6 8
8
