Yamaha 90179-18S00-00 Nut is a genuine Yamaha hardware component. It is sized for the factory-specified location on compatible models, helping keep the surrounding assembly secured as Yamaha intended. Yamaha's parts catalog lists it on the diagrams for 21 Yamaha marine models spanning model years 2019–2024.

Key Features

• Purpose: Secures the surrounding assembly at its factory-specified installation point.
• Design: Sized for the specified location, where visually similar hardware can use different dimensions or specifications.
• Fitment: Listed on Yamaha parts diagrams for 21 marine models, shown in the compatibility section below.
• Part Number: Sold as genuine Yamaha part number 90179-18S00-00.

Engine & Boat Compatibility

• AR190 CALIFORNIA (TX1800ALU 2019, TX1800ALV 2020, TX1800AWB 2021, TX1800AXB 2022, TX1800AYB 2023)
• AR190 (TX1800AU 2019, TX1800AV 2020, TX1800AW 2021, TX1800AX 2022, TX1800AY 2023)
• AR195 (TP1800AU 2019, TP1800AV 2020, TP1800AW 2021, TP1800AX 2022, TP1800AY 2023)
• 195S (TP1800CV 2020, TP1800CW 2021, TP1800CX 2022, TP1800CY 2023, TP1800CA 2024)
• 212S CALIFORNIA (XBT1800BLV 2020, AXT1800ALW 2021, AXT1800AXB 2022)
• 212S (XBT1800BV 2020, AXT1800AW 2021, AXT1800AX 2022)
• 212X CALIFORNIA (XBT1800ALV 2020)
• 212X (XBT1800AV 2020)
• 242S CALIFORNIA (SAT1800CLV 2020)
• 242S (SAT1800CV 2020)
• AR240 HIGH OUTPUT (SAT1800AV 2020)
• AR240 HO CALIFORNIA (SAT1800ALV 2020)
• 212SD (AXT1800EW 2021, AXT1800EX 2022)
• 212SE (AXT1800FW 2021, AXT1800FX 2022)
• 212SE CALIFORNIA (AXT1800FLW 2021, AXT1800FXB 2022)
• 212XD (AXT1800CW 2021, AXT1800CX 2022)
• 212XE (AXT1800DW 2021, AXT1800DX 2022)
• 212XE CALIFORNIA (AXT1800DLW 2021, AXT1800DXB 2022)
• AR250 (BXT1800AW 2021, BXT1800AX 2022, BXT1800AY 2023)
• AR250 CALIFORNIA (BXT1800ALW 2021, BXT1800AXB 2022, BXT1800AYC 2023)
• AR 190 (TX1900AA 2024)

Performance & Real-World Benefits

Missing, corroded, or damaged hardware can leave an assembly loose or improperly secured. Replacing it with the correct part restores the original fastening at that installation point.

Why Choose Yamaha OEM

Fasteners that look similar can differ in thread, length, shoulder, finish, or intended location; matching the Yamaha part number keeps the repair to the factory specification.

FAQ

Q1: Is 90179-18S00-00 a genuine Yamaha OEM part?

Yes. This listing is for genuine Yamaha part number 90179-18S00-00.

Q2: How do I confirm this nut fits my Yamaha?

Find your exact model in the Engine & Boat Compatibility list above, then verify part number 90179-18S00-00 against the Yamaha parts diagram for your model and serial number.

Q3: Can I replace this with generic hardware?

For an OEM-style repair, match the Yamaha part number. Fasteners that look similar can differ in thread, length, shoulder, finish, or intended installation location.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.