Description
Boat part number 8402973 is a new forward, starboard-side vent rib from MasterCraft Boats, part number 353999 .
This vent rib is constructed out of aluminum and measures approximately 25 3/4″ L x 1 1/4″ H overall. Mounts with (2) 10-24 threaded holes and (3) 1/4″-16 threaded holes.
Manufacturer tag reads: VENT – RIB FWD STBD HULLSIDE 2011-12
Please check with your local MasterCraft dealer for boat / brand / model / year cross-referencing compatibilities.
Specifications:
- Boat Manufacturer: MasterCraft
- Year: 2011 / 2012
- Part Number: 353999
- Material: Aluminum
- Color: Silver
- Finish: Polished
- Overall Dimensions: 25 3/4″ L x 1 1/4″ H
- Mounts: (2) 10-24 threaded | (3) 1/4″-16 threaded holes
![Whitecap Teak Lumber – 1/2″ x 1-3/4″ x 72″[60813]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-teak-lumber-1-2-x-1-3-4-x-72-60813.webp)
![Ancor Premium Electrical Tape – 3/4″ x 66′ – Orange[334066]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ancor-premium-electrical-tape-3-4-x-66-orange-334066.webp)
![GROCO 1-1/4″ Bronze Electric Flanged Seacock – 12V [FBVE-1250 12V]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/groco-1-1-4-bronze-electric-flanged-seacock-12v-fbve-1250-12v.webp)
![Rapala Combo Pack – Pliers, Clipper, PunchSharpener [RTC-6PCHS]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/rapala-combo-pack-pliers-clipper-punchsharpener-rtc-6pchs.webp)
![Jabsco HotShot HD4 Heavy Duty Washdown Pump – 24V – 4 GPM – 60 PSI [Q402J-118N-3A]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/jabsco-hotshot-hd4-heavy-duty-washdown-pump-24v-4-gpm-60-psi-q402j-118n-3a.webp)
![Jabsco Mag Drive Centrifugal Pump – 14GPM – 110V AC[436979]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/jabsco-mag-drive-centrifugal-pump-14gpm-110v-ac-436979.webp)
![Xantrex C-Series Solar Charge Controller – 40 Amps [C40]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/xantrex-c-series-solar-charge-controller-40-amps-c40.webp)