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Select Your Engine:

1991 Mercruiser 5.7L [ALPHA I] Parts 457B100DS and 141 more models

Parts & Diagrams

ENGINE SPECIFICATIONS FOR 457B100DS

Parts Group:
200/5.0L/LX 260/5.7L 350 MAG ALPHA/BRAVO
Model style:
ALPHA I

Service Manuals

Service Manual 144991

Service Bulletins

GASOLINE ENGINE VAPOR LOCKING SMC-99-07 30-SEP-1999

ELECTRIC FUEL PUMP TROUBLESHOOTING SMC-04-01 30-JAN-2004

PROPER SHIFT-SET-UP COMMANDER 3000 CLASSIC CONTROL-ALPHA PRODUCT SMC-99-06 28-SEP-1999

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SHIFT PLATE INSPECTION SMC-90-06 27-MAR-1998

IGNITION SYSTEM ADVANCE CURVE SPECIFICATIONS SMC-91-12 24-MAR-1998

REQUIRED SPARK PLUG WIRE REPLACEMENT/NOTIF. US FEDERAL BT SA SMC-88-13 24-APR-1998

OIL LEAKAGE FROM WATER PICKUP HOLES IN GEAR HOUSING SMC-91-09 23-MAR-1998

MCM 350 MAG ALPHA, 5.7L BRAVO, MIE 350 MAG TOUR SKI SPECS SMC-91-08 23-MAR-1998

REPLACMENT TRIM PUMP FOR THE PRESTOLITE STYLE PUMP SMC-91-14 23-MAR-1998

MR & APHA I SHIFT CABLE ADJUSTMENT INSPEC. & READJUSTMENT SMC-89-04 23-APR-1998

A.HEI DISTRIBUTOR SHAFT/B.CARTER FUEL PUMP/C.NEW PRESTOLITE SMC-89-07 22-APR-1998

A.CHOCK ROD LEAKAGE/B.VOLTAGE REGULATORS 224/C.HEI IGNITION SMC-89-27 21-APR-1998

FUEL RECOMMENDATION FOR 1990 MCM/MIE (GAS) MODELS SMC-89-28 21-APR-1998

DIAGNOSTIC TOOL UPDATE CDS G3 SOFTWARE VERSION 1.5 SHS-13-06 20-MAY-2014

BRAVO DRIVE UNIT/HOUSING COMPARISON AND IDENTIFICATION SMC-91-20 20-MAR-1998

NEW ONE PIECE OIL SEAL CARRIER OF ALPHA ONE GEN II SMC-98-08 20-APR-1998

MERCARB SMC-92-06 18-MAR-1998

TORSIONAL (CRANKSHAFT) DAMPER BOLT TORQUE CHANGE SMC-92-19 18-MAR-1998

ENGINE ALIGNMENT TOOL MODIFICATION SMC-92-09 18-MAR-1998

TESTING THUNDEBOLT IV HEI IGNITION SYSTEM SMC-92-11 18-MAR-1998

ENGINE RPM "HUNTS" AT IDLE SPEED SMC-92-08 18-MAR-1998

WEBER CARBURETOR ADJUSTABLE ACCELERATOR PUMP SMC-92-18 18-MAR-1998

ADDITIONAL IGNITION SYSTEM ADVANCE CURVE SPECIFICATIONS SMC-92-17 18-MAR-1998

MCC 5.7L ALPHA, MIE 5.7L & 5.7L COMP SKI WEBER CARB SPECS SMC-92-16 18-MAR-1998

REQUIRED FLAME ARRESTOR REPLACEMENT SMC-93-04 17-MAR-1998

REQUIRED FUEL PUMP PUSH ROD REPLACEMENT SMC-93-05 17-MAR-1998

ADD WATER INLET HOSE CLAMP SMC-93-06 17-MAR-1998

DIAGNOSTIC TOOL UPDATE CDS G3 SOFTWARE VERSION 1.5 SOB-13-17 17-DEC-2013

DIAGNOSTIC TOOL UPDATE CDS G3 SOFTWARE VERSION 1.5 SMC-13-11 17-DEC-2013

DIAGNOSTIC TOOL UPDATE?CDS G3 SOFTWARE VERSION 1.5 SMC-13-75 17-DEC-2013

WEBER 4 BARREL CARBURETOR SMC-93-14 16-MAR-1998

REQUIRED FUEL INLET FITTING REPLACEMENT ON WEBER CARBURETOR SMC-93-12 16-MAR-1998

REQUIRED STARBOARD ENGINE MOUNT BOLT REPLACEMENT SMC-93-11 16-MAR-1998

ROCHESTER 4 BARREL QUADRAJET CARBURETOR SMC-93-15 16-MAR-1998

MERCARB 2 BARREL CARBURETOR SMC-93-13 16-MAR-1998

DHB POWER STEERING VALVE (806034A 1) SMC-93-28 15-MAY-1997

REQUIRED ENGINE FUEL FILTER REPLACEMENT SMC-94-15 13-MAY-1997

REQUIRED ENGINE GROUNDING STUD REPLACEMENT SMC-94-10 13-MAY-1997

IGNITION MODULE-305/350 CID ENGINES PMC-91-01 12-JUN-2000

REPLACEMENT PISTONS AND RING SETS PMC-92-08 12-JUN-2000

AIR HORN GASKET FOR WEBER CARB PMC-92-09 12-JUN-2000

THERMOSTAT HOUSINGS ORDERING INFORMATION PMC-99-02 12-APR-2000

OPERATION & MAINTENANCE MANUALS FOR BODENSEE EMISSIONS MODEL SMC-94-17 09-MAY-1997

TUNE-UP KITS, DISTRIBUTOR CAPS, IGNITION COIL PART NUMBERS PMC-93-03 09-JUN-2000

V6 & V8 REPLACEMENT CYLINDER HEADS PMC-95-02 08-MAY-2000

MC1/ALPHA ONE/ALPHA ONE GENERATION II GEAR CASE AND BEARING SMC-97-04 08-MAY-1997

WEBER 4 BBL CARBURETOR SMC-97-09 08-MAY-1997

IGNITION ADVANCE CURVES AND POINT SETTING SMC-95-11 08-MAY-1997

REPLACEMENT WEBER CARBURETORS & COMPONENTS PMC-94-05 08-JUN-2000

CONVERTING STAINLESS STEEL EXHAUST ELBOWS TO CAST IRON PMC-99-01 07-APR-2000

ENGINE DIESELING OR RUNNING-ON REVISED NOV 1997 SMC-97-17 06-MAR-1998

DELCO PG260 STARTER MOTOR PARTS PMC-95-01 04-MAY-2000

THERMOSTAT HOUSINGS NO LONGER AVAILABLE PMC-96-09 04-MAY-2000

BELT DRIVEN SEAWATER PUMP (WITH PLASTIC BODY) CHANGES PMC-96-08 03-MAY-2000

P/N 15120T CIRCULATING PUMP PULLEY NO LONGER AVAILABLE PMC-97-04 02-MAY-2000

4.3L, 5.OL AND 5.7L REPLACEMENT PARTS PMC-01-02 01-MAY-2000

Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.

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