338 Thermostat Kit Molded Hose Water Intake Hose Molded Hose MOTOR & DRIVE UNIT • I/O Mercruiser Part No. Replaces 18-3668 807252T4, 807252Q4 Part No. Replaces 18-70934 32-897181 Part No. Replaces 18-3603 32-43437, 32-8M0090859 Part No. For Replaces 18-70931 2.5L & 3.0L Distribution Block to Water Pump 32-96879, 32-47640, 32-8M0071007 Part No. For Replaces 18-71337 4.3L, 5.0L, 5.7L Circulating Pump Hose 32-861590A05, 32-861590A2, 32-806825 Part No. For Replaces 18-3602 MR, Alpha I, Gen II 32-4172533, 32-8M0062309 Contains Part No. Description O.E. 18-2552 Thermostat Cover Gasket 27-33179-2 18-2553 Thermostat Cover Gasket 27-47510 18-2554 Thermostat Cover Gasket 27-41812 18-3551 Thermostat Cover Gasket 59137 18-7173 O-Ring 25-30224 18-2917 Thermostat Cover Gasket 27-53045-1, 27-33918 ➀18-3668D Fits: 330 (1977-87), 330 MIE (1977-80), 340 MIE W/ BW (1981-87), 370 TRS (1978-87), 400 TRS (1980-86), 420 (1987-89), 425 (1990-92), 425 (Gen V) (1992-93), 440 TRS (1983-86), 450 (Gen V) (1995-96), 454 EFI (Gen V) (1994-96), 454 Mag Alpha (1986-88), 454 Mag Bravo (1988-92), 454 Mag Bravo(Gen V) (1992-97), 454 Mag MPI Bravo(Gen VI) (1996-98), 454 Mag MPI SKI (Gen VI)(1996-97), 460 TRS (1983-86), 465 (1990-92), 465 (Gen V) (1992-94), 500 Gen + (1999), 500 (Gen V) (1994-96), 500 (Gen VI)(1997-98), 502 EFI (Gen V)(1993-95), 502 Mag Bravo (1990-92), 502 Mag MPI Bravo (Gen VI), 502 Mag Bravo(Gen V)(1992-93), 502 Mag MPI(Gen VI)(1996), 7.4L MIE W/BW (1988-92), 7.4L Bravo (1988-91), 7.4L Bravo(Gen V)(1992-96), 7.4L Bravo (Gen VI)(1996-97), 7.4L MIE (LH) (Gen V)(1992-96), 7.4L MIE (LH)(Gen VI)(1996-97), 7.4L MIE W/Hurth (1989-92), 7.4L MIE MPI (LH) (GEN VI)(1996-97), 7.4L TBI MIE (LH)(Gen VI) (1996-97), 7.4LX Bravo MPI(Gen V)(1996-97), 7.4LX Bravo TBI(Gen VI)(1996-97), 8.2L MIE (Gen V)(1993-96), 8.2L MIE MPI (Gen VI), 8.2 Single Diameter Hose Water Intake Hose Molded Hose 1-3/4” ID 13 7/8” Length - 3/4” I.D. 12-3/4" High strength synthetic cords resist shockload failure. Their low stretch properties assure uniform performance over the life of the belt. The compression section is a special rubber compound that assures smooth and even transfer of load forces to the cords. Cogs are molded to precise engineering tolerances to improve exibility and maintain cord support. Cog geometry provides a large area for air circulation to keep the belt cool and prevent damaging heat build up in the cushion section. Rubber edges maintain positive, no-slip contact with pulley grooves for reliable energy transfer. V-Belts Belt Size Listing By Number Part No. O.E. Effective Length (in.) Top Width (in.) 18-15400 57-32850, 57-69143T, 57-69143Q 40 29/64 18-15440 57-49213A1,57-45856 44 29/64 18-15455 - 45 1/2 29/64 18-15460 57-48120A1, 57-48120, 57-48120Q1 46 29/64 Serpentine Belts Belt Interchange Part No. O.E. Width Length (in.) 18-15100 57-8638763, 57-862807, 57-862087A1, 57-865615003, 57-865615Q03 13/16 106.25 Your Local, Nationwide Distributor (S5M)
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