**Verify the part fits before purchasing**
Specs:
Unit Type: Alternator
Voltage: 12
Rotation: CW
Dimension: Replacement 50A 5SI Unit:, Mtg. Ear 1 Hole: 9mm Unthreaded, Mtg. Ear 2 Hole: 9mm Unthreaded, B+ Terminal: M6-1.0,
Amperage: 50
Clock: 12
Pulley Class: S4
Regulator: IR
Fan Type: IF
Brief: Mariner, Mercruiser, Mercury Marine 2.5L
4-Groove Pulley
Replaces OEM Numbers:
ARCO MARINE: 20840
ARROWHEAD: ADR0310
ARROWHEAD (OEM): D19020706
DELCO: 19020703, 19020706
EMP PARTS: 4-6454
J & N: 400-12154, 400-12306
LESTER: 8470
MERCURY MARINE: 834832A1, 834832T, 857006T, 857006T1, 875285T1, 881248T, 889955, 889955A03
SIERRA MARINE: 18-6454
Compatible With/Replacement For:
MARINER 200 (DFI) All, 225 (DFI) All, V-115 (DFI) All, V-135 (DFI) All, V-150 (DFI) All, V-175 (DFI) All
MERCRUISER Model 575SCI All
MERCURY MARINE 110.0HP / Jet - SN 1B690542 & Up All, 110EXLPT Optimax Jet 2009-2013, 115.0HP / V-115 - SN 0G960500 Thru 0T178499 All, 115CXL Optimax Saltwater 2000-2000, 115L Optimax 2000-2000, 115L Optimax Saltwater 2000-2000, 115XL Optimax Saltwater 2000-2000, 135.0HP / V-135 - SN 0G760300 Thru 0G960499 All, 135.0HP / V-135 - SN 0G960500 Thru 0T178499 All, 135.0HP / V-135 - SN 0T178500 Thru 0T800999 All, 135.0HP / V-135 - SN 0T801000 Thru 1B226999 All, 135.0HP / V-135- SN 1B227000 Thru 1B417701 All, 135.0HP / V-135- SN 1B417702 & Up All, 135CXL Bluewater Optimax 1999-1999, 135CXL Optimax 2006-2010, 135CXL Optimax Saltwater 2000-2005, 135L Optimax 1999-2011, 135XL Bluewater Optimax 1999-1999, 135XL Optimax 2002-2011, 150.0HP / V-150 - SN 0G760300 Thru 0G960499 All, 150.0HP / V-150 - SN 0G960500 Thru 0T178499 All, 150.0HP / V-150 - SN 0T178500 Thru 0T800999 All, 150.0HP / V-150 - SN 0T801000 Thru 1B226999 All