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Est. 1957
S&S Cycle

S&S Cycle 1999+ BT 3/8-16 UNC Backplate Vent Screw

$16.95

On Backorder — Expected to ship by May 7, 2026

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S&S Cycle 1999+ BT 3/8-16 UNC Backplate Vent Screw.

Key Features

  • Fits 1999 and newer Big Twin Harley-Davidson models.
  • Features a 3/8-16 UNC thread size for the backplate vent.
  • Direct replacement part for the crankcase breather vent screw.
  • Manufactured by S&S Cycle, a popular name in performance motorcycle engine components.
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About this part

Product Details

S&S Cycle is well-known for making performance engine parts for Harley-Davidson motorcycles. This backplate vent screw is a direct replacement part for 1999 and newer Big Twin models. It's designed to fit the specific 3/8-16 UNC thread size required for the crankcase breather vent on the engine backplate.

This screw is made to the manufacturer's specifications, ensuring it threads in properly and seals the vent opening as intended. It's a small but important piece for maintaining the correct crankcase pressure and ventilation in your engine. If you're working on the engine and need to replace this specific fastener, this S&S Cycle part is a solid option.

Specifications

Brand
S&S Cycle
Manufacturer Part #
17-0348
UPC
17-0348

Frequently Asked Questions

S&S Cycle 1999+ BT 3/8-16 UNC Backplate Vent Screw

$16.95