Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 379Get this manual
NON-BIGFOOT GEAR HOUSING
Gear Housing (Oriveshaft)(2:1 Gear Ratio)
REFDESCRIPTION NOQTYGEAR HOUSING (SHORT) GEAR HOUSING (LONG) GEAR HOUSING (BASIC) -SEAUPLATE KIT PLATE (Part Of Ref #2) SCREW (.375-16 .25) -WASHER-Sealing DRAIN SCREW (MAGNETIC) -WASHER- Sealing NUT PINION GEAR (13 TEETH) BEARING ASSEMBLY-Roller 10 11 CUP (Part Of Ref10) 12 SCREW (M6 16) -WATER PUMP ASSEMBLY 13 SEAL-Waler Tube (SHORT1-34) 14 SEAL Water Tube (LONG2-14) WASHER 15 KEY 16 WASHER 17 -18 GASKET 19 GASKET (LOWER) -20 FACE PLATE IMPELLER 21 -1 WATER PUMP BASE ASSEMBLY 22 SEALQil 23 -24 SEALDil -25 ORING -1 DRIVESHAFT (SHORT) 26 DRIVESHAFT (LONG) 27 BALL BEARING TORQUE