Aftermarket Alternators
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Sierra Alternator-65Amp 2-Wire Serp 18-5960
Sierra
$306.29 $256.10Sierra Alternator-65Amp 2-Wire Serp 18-5960- Part Number:
- 47-5960
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser
- OEM #:
- 807653T
- Type:
- New
$306.29 $256.10 -
Sierra Alternator 18-6293
Sierra
$305.79 $222.32Sierra Alternator 18-6293- Part Number:
- 47-6293
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser
- OEM #:
- 862031T
- Type:
- New
$305.79 $222.32 -
Sierra Alt Conv Kit 3.7L MerCruiser #804916A 1 18-5953-1
Sierra
$1,133.69 $981.45Sierra Alt Conv Kit 3.7L MerCruiser #804916A 1 18-5953-1Includes new 68 AMP alternator; mounting brackets 18-5968; pulley; wiring; hardware and instructions. Converts model 470 aluminum block MerCruiser engines serial number 4625580 & up with stator...- Part Number:
- 47-59531
- Availability:
- In Stock - Ships same or next business day.
- Type:
- New
$1,133.69 $981.45 -
Sierra Alternator-51Amp Presto-Motor 18-6260
Sierra
$285.99 $267.60Sierra Alternator-51Amp Presto-Motor 18-6260- Part Number:
- 47-6260
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- OMC Cobra
- OEM #:
- Prestolite/Motorola
- Type:
- New
$285.99 $267.60 -
Sierra Alt-Delco 37-63A 105A V-Belt 18-6841
Sierra
$262.79 $22.10Sierra Alt-Delco 37-63A 105A V-Belt 18-6841These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor screens...- Part Number:
- 47-6841
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser/OMC
- Type:
- New
- OEM #:
- Mercruiser 56045 - 59755 - 69729
OMC 983424 - 983836 - 988247
$262.79 $22.10 -
Sierra Alternator 3.0L MerCruiser #821663A 1 18-6960
Sierra
$875.29 $16.89Sierra Alternator 3.0L MerCruiser #821663A 1 18-6960These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor...- Part Number:
- 47-6960
- Availability:
- In Stock - Ships same or next business day.
- Type:
- New
- Fits:
- Mercury/Denso
- OEM #:
- Mercury 821663 - 821663-1 - 821663A1
Denso 101211-3020 - 101211-3021
$875.29 $16.89 -
Sierra Alternator 50A 75-115Hp Efi 4S 18-6840
Sierra
$347.89 $16.89Sierra Alternator 50A 75-115Hp Efi 4S 18-6840These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor...- Part Number:
- 47-6840
- Availability:
- In Stock - Ships same or next business day.
- Type:
- New
- Fits:
- Mercury
- OEM #:
- Mercury 50-897755T - 897755T
$347.89 $16.89 -
Sierra Alternator 65A Vp 4.3-5.0-5.7L 18-6848
Sierra
$406.79 $322.93Sierra Alternator 65A Vp 4.3-5.0-5.7L 18-6848These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor...- Part Number:
- 47-6848
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Volvo/Valeo
- Type:
- New
- OEM #:
- Volvo 3862612
Valeo A0002655299
$406.79 $322.93 -
Sierra Alternator 75A-12V Serp GM 07+ 18-5882
Sierra
$362.99 $276.47Sierra Alternator 75A-12V Serp GM 07+ 18-5882- Part Number:
- 47-5882
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Volvo
- OEM #:
- 3884950
- Type:
- New
$362.99 $276.47 -
Special Order! See availaility for details
Sierra Alternator Cummins 24V 65A 18-6952
Sierra
$556.39 $22.10Sierra Alternator Cummins 24V 65A 18-6952These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor screens...- Part Number:
- 47-6952
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Cummins/Delco
- Type:
- New
- OEM #:
- Cummins 214169 - 3603853RX - 3920618
Delco 10459244 - 1100077 - 1100093 - 1100211 - 1100274 - 1105474 - 1105475 - 1105476
$556.39 $22.10 -
Sierra Alternator Vp#3862613 12V 75A 18-6847
Sierra
$369.89 $295.27Sierra Alternator Vp#3862613 12V 75A 18-6847These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor screens...- Part Number:
- 47-6847
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Volvo
- Type:
- New
- OEM #:
- Volvo 3862613 - 265530
$369.89 $295.27 -
Sierra Alternator-65Amp Mando 1 Groove 18-6261
Sierra
$303.89 $248.20Sierra Alternator-65Amp Mando 1 Groove 18-6261- Part Number:
- 47-6261
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- OMC -
Volvo - OEM #:
- 987774/3854182/3854809/3856600/3860171
3857561 - 3856600-6 - 3857561 - Type:
- New
$303.89 $248.20 -
Sierra Alternator-68Amp 3-Wire Serp 18-5945
Sierra
$12.80Sierra Alternator-68Amp 3-Wire Serp 18-5945- Part Number:
- 47-5945
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser
- OEM #:
- Mando/Motorola/Delco
- Type:
- New
$12.80 -
Sierra Alternator-Nla MerCruiser #857006A 3 18-6844
Sierra
$457.89 $356.27Sierra Alternator-Nla MerCruiser #857006A 3 18-6844These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor...- Part Number:
- 47-6844
- Availability:
- In Stock - Ships same or next business day.
- Type:
- New
- Fits:
- Mercury/Denso
- OEM #:
- 834832 - 834832T2 - 857006A3/ 101211-3460
$457.89 $356.27 -
Sierra Alternator-Rem 68A 3Wire W/Pul 18-5951
Sierra
$12.80Sierra Alternator-Rem 68A 3Wire W/Pul 18-5951- Part Number:
- 47-5951
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser -
OMC -
Pleasurecraft -
Volvo - OEM #:
- 78477/78403A2/92497A3
98236
RA097002/RA097003/RA097006 - 3860769 - Type:
- Reman
$12.80 -
Sierra Alternator-Yanmar Lh 80A 18-6929
Sierra
$270.59 $233.03Sierra Alternator-Yanmar Lh 80A 18-6929These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor screens...- Part Number:
- 47-6929
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Yanmar/Hitachi
- Type:
- New
- OEM #:
- Yanmar 119573-77200 - 119573-77201 - 129470-77200
Hitachi LR180-03A - LR180-03B - LR180-03C
$270.59 $233.03 -
Sierra Alternatr 75A Vp 3.0Glm-3.0Glp 18-6845
Sierra
$287.39 $22.10Sierra Alternatr 75A Vp 3.0Glm-3.0Glp 18-6845These all NEW replacement alternators meet OEM specs and meet or exceed OEM output for guaranteed performance. Fans; pulleys and hardware are plated to resist corrosion and special marine flame arrestor...- Part Number:
- 47-6845
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Volvo
- Type:
- New
- OEM #:
- Volvo 3862613 - 3862665 - 3884950
$287.39 $22.10 -
Sierra P 78403A2 MerCruiser Rem Alt OMC98600 18-5950
Sierra
$12.80Sierra P 78403A2 MerCruiser Rem Alt OMC98600 18-5950- Part Number:
- 47-5950
- Availability:
- In Stock - Ships same or next business day.
- Fits:
- Mercruiser
- OEM #:
- 69729
- Type:
- Reman
$12.80