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  • Welcome to BayBoater Marine LLC. located in Harkers Island North Carolina
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Bay Boater Marine

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Home » Bay Boater Marine Parts
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Neutral Safety Switch Velvet Drive Transmissions

Neutral Safety Switch 1000-640-004

$39.95

Neutral Safety Switch, New Style  Replaces 1000-640-004

100 in stock

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SKU: VDNSS Categories: Transmission Parts, Parts for Velvet Drive Marine Transmissions, 71C - 1017 - 1004 Series, 71C & 1017 Series 1:1 Direct Drive, Neutral Safety, 1017 Series Reduction Note Rear Seal Taps Directly Into Case, Neutral Safety, 71C Reduction Identified by having a 6 Bolt Seal Holder for Rear Seal, Neutral Safety Parts, 1004 Series V-Drive--Engine in Very Back of Boat-Prop shaft Runs Under Motor, Neutral Safety, 72C - 1018 - 1005 Series, 1018 72C 1:1 Transmission, Neutral Safety, 1018 Series ***NOTE REAR SEAL TAPS DIRECTLY INTO CASE***, Neutral Safety, 1005 Series, Neutral Safety, 1013 Series This is also called a CR2 or Drop Center Because it Has a Dropdown, Neutral Safety, Neutral Safety, Neutral Safety

Replaces OEM #'s: 1000-640-004

Neutral Safety Switch this takes the 7/8 inch wrench to get off.  If your switch uses a wrench  over1 inch this will not fit your plate.  You will need to buy the kit.

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Bearing for Early Reduction 1.52:1, 1.91:1, 2.10:1 Ratios. Only Fits Models with Seal Holder
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Bearing for Early Reduction 1.52:1, 1.91:1, 2.10:1 Ratios. Only Fits Models with Seal Holder

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Last Updated: November 6, 2026
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Copyright 2026 © Bay Boater Marine, Harkers Island, NC U.S.A.
  • ×
  • Transmission Parts
    • Parts for Velvet Drive Marine Transmissions
    • HURTH HBW Series Mechanical Shift
    • Hurth HSW & ZF Series Hydraulic Shift Marine Transmissions
    • Hurth IRM Series 220 301 325 Models
    • Twin Disc Transmissions
  • Marine Engine Parts
    • Yamaha Outboard
    • Crusader Replacement Parts
    • Mercruiser Replacement Parts
  • Show All Products
  • Contact
  • Account details
  • Reading Room
    • Hurth / ZF Transmission Parts
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