Description
Boat part number 1118488 is a new 9800 Series reed switch style fuel sending unit from Rochester Sensors, part number A001646 .
This sending unit is constructed out of stainless steel with a nitrile rubber float. It measures approximately 2 3/4″ Dia. x 12 1/2″ H overall, with a 1/2″ Dia. shaft. It connects via wire leads and is rated for 30 – 240 Ohms. It mounts via (5) 3/16″ Dia. mounting holes.
Note: Does NOT include gasket.
Specifications:
- Part Manufacturer: Rochester Sensors
- Series: 9800
- Part Number: A001646
- Material: Stainless Steel / Nitrile Rubber
- Color: Silver / Black
- Ohms Range: 30 – 240 Ohms
- Overall Dimensions: 2 3/4″ Dia. x 12 1/2″ H
- Shaft Diameter: 1/2″ Dia.
- Mounts: (5) 3/16″ Dia. Mounting Holes
- Connections: Wire Leads


![Sudbury Elastomeric Marine Sealant – 10oz Cartridge – White [300]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/sudbury-elastomeric-marine-sealant-10oz-cartridge-white-300.webp)
![Ocean Signal RescueME EDF1 Electronic Distress Flare – 7 Mile Range[750S-01710]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/ocean-signal-rescueme-edf1-electronic-distress-flare-7-mile-range-750s-01710.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)
![Xantrex Conext Combox Communication Box f/Freedom SW Series Inverters/Chargers[809-0918]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/xantrex-conext-combox-communication-box-f-freedom-sw-series-inverters-chargers-8.webp)
![Shadow-Caster Accent Lighting Flex Strip 8′ Terminated w/20′ of Lead Wire[SCM-AL-LED-8]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/shadow-caster-accent-lighting-flex-strip-8-terminated-w-20-lead-wire-scm-al-led-.webp)
![Scanpod Helm Pod System – White[SPH-SYSTEM-W]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/scanpod-helm-pod-system-white-sph-system-w.webp)
![Whitecap C.P. Brass Sillcock 1-5/8″ Base 3-3/16 Depth[P-2452C]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-c-p-brass-sillcock-1-5-8-base-3-3-16-depth-p-2452c.webp)