Description
Boat part number 1086804 is a new cylinder head cover from Mercury Quicksilver, part number 898101T40 .
This is an original OEM cylinder head cover.
Used on the following Mercury Outboards (per manufacturer):
- 25 EFI 3 Cylinder 4-Stroke
- 25 Jet EFI Cylinder 4-Stroke
- 30 EFI Cylinder 4-Stroke
Please check with your local Mercury brand dealer for more specific engine / boat / brand / model / year cross-referencing compatibility.
Manufacturer tag reads 898101T40 COVER CYLINDER HEAD
Specifications:
- Part Manufacturer: Mercury Quicksilver
- Part Number: 898101T40
- UPC: 745061681712
- Color: Black
![Blue Sea 1221 12V DC Main + 19 Positions w/Digital Meter[1221]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-1221-12v-dc-main-19-positions-w-digital-meter-1221.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)
![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)
![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)
![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)