1Fitment: Meet or exceed original factory specifications, replacement for Yamaha Outboards 4 stroke F25 25HP all years/2 stroke C30 19931997. 2OE: Replacing part numbers for reference: 61NW007811, replacement for Sierra 183432, have the same shape and function as the original part. 3Purpose: Can be used to repair or replace damaged pump assemblies to improve outboard motor performance. A direct replacement for the old and broken one. 4Package Including: Neoprene impeller, wear plate, insert cup, water pump gasket, mounting bolts, wrench, water lock, O Ring, complete accessories, reducing your installation time. 5Material: Made of seawater grade stainless steel and rubber material, not rust, seawater corrosion resistance, high strength, and the improved design can extend the service life. Item Type: WaterPumpImpellerRebuildKit Material: Stainless Steel + RubberOE: 61N-W0078-11, replacement for Sierra 18-3432 Kit Package Includes: Bolt with washer Insert Cartridge Wear PlateFull Power Plus Impeller Water Pump Housing O RingWoodruff KeyFitment: Replacement for Yamaha Outboards: 4 STROKE F25, 25HP (ALL YEARS) Replacement for F25SMHA 0116 Replacement for F25SMHA 0117 Replacement for F25SMHA 0409 Replacement for F25SMHA 0410 Replacement for F25SMHA_0112 Replacement for F25SMHA_0411 Replacement for F25TLR 0405 Replacement for F25TLRA 2002 Replacement for F25TLRB 2003 Replacement for F25TLRC 2004 Replacement for F25TLRD 2005 Replacement for F25TLRW 1998 Replacement for F25TLRX 1999 Replacement for F25TLRY 2000 Replacement for F25TLRZ 2001 1 xWaterPumpImpellerRebuildKit (11pcs)1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks