FRONT COVER AND CIRCULATING PUMP 4311025TS, 431102BTS, 4311035TS, 431103BTS, 431105BTS, 4311225TS, 431122BTS, 4311235TS, 431123BTS, 431125BTS, 4312025TS, 431202BTS, 4312035TS, 431205BTS, 4312225TS, 431222BTS, 4312235TS, 431225BTS, 4M11025TS, 4M1102BTS, 4M11035TS, 4M1103BTS, 4M1105BTS, 4M11225TS, 4M1122BTS, 4M11235TS, 4M1123BTS, 4M1125BTS, 4M12025TS, 4M12035TS, 4M12225TS, 4M12235TS Mercruiser EPC Parts Catalog

Alpha 1998

FRONT COVER AND CIRCULATING PUMP

Pos.	Part No	Qty	Parts name	Comments
-.	863660A 1	[1]	LONGBLOCK ASSEMBLY	(5.0L)
-.	863661A 1	[1]	LONGBLOCK ASSEMBLY	(5.7L)
-.	861246A05	[1]	GASKET SET, Engine Overhaul
1.	850399 1	[1]	PUMP ASSEMBLY, Water, Water
10.	885192	[1]	O-RING
11.	884018	[1]	SCREW
12.	807730T	[1]	PULLEY, Crankshaft
13.	34352	[3]	SCREW, (.375-24 x .875)
14.	863397	[1]	HARMONIC BALANCER
15.	32515	[1]	SCREW, (.437-20 x 2.50)
16.	39131	[1]	LOCKWASHER, (.437)
17.	71458	[1]	WASHER
18.	863396	[1]	TIMING COVER ASSEMBLY	(Screws, Grommets, Oil Seal, and Gasket Are Not Sold Seperately)
19.	863398	[1]	RELUCTOR WHEEL
2.	49146	[1]	PLUG, Pipe
20.	845941	[1]	RETAINER, Camshaft
21.	845943	[2]	SCREW, (.250-20 x .500)
22.	17161T	[1]	CHAIN, Timing
23.	811659 1	[1]	SPROCKET, Camshaft
24.	845942	[3]	SCREW, (.312-18 x .750)
25.	17160	[1]	SPROCKET, Crankshaft
26.	816565	[1]	PLUG, Pipe(.468), Pipe
27.	863876 4	[1]	BELT, Serpentine	(Alpha)(Power Steering)
27.	863876 9	[1]	BELT, Serpentine	(Alpha)(CHS and Non Power Steering)
27.	863876 3	[1]	BELT, Serpentine	(Bravo)(Power Steering)
27.	863876 8	[1]	BELT, Serpentine	(Bravo)(CHS and Non Power Steering)
3.	34897	[2]	GASKET, Water Pump
4.	864360	[1]	TIMING DECAL
5.	35342	[2]	STUD, (.312-24/.375-16 x 2.5625)
6.	32132	[1]	SCREW, (.375-16 x 1.750)
6.	47688	[1]	SCREW, (.375-16 x 2.750)
7.	807729T	[1]	PULLEY
8.	47277	[4]	SCREW, (.312-24 x .750)
9.	864297	[1]	SENSOR ASSEMBLY, Crankshaft Position