27858935 Mercury MerCruiser Shift Rod Housing Gasket | Genuine Quicksilver OEM Part
27858935 Mercury MerCruiser Shift Rod Housing Gasket | Genuine Quicksilver OEM Part
Couldn't load pickup availability
✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Genuine Quicksilver Shift Rod Housing Gasket - Part Number: 27-858935
Genuine Quicksilver shift rod housing gasket used in Mercury / Mariner lower-unit gearcase assemblies. This gasket seals the shift rod housing to the gearcase and is used on selected Mercury / Mariner outboards, including higher horsepower 200HP to 250HP applications where the diagram specifies 27-858935.
⚙️ Key Features
- Genuine Quicksilver OEM shift rod housing gasket
- Correct Mercury part number 27-858935
- Used in gearcase shift rod housing assemblies
- Important lower-unit reseal component
- Helps prevent water entry around shift rod housing
🚤 Compatibility
Commonly used on
- Mercury / Mariner shift rod housing assemblies
- Mercury / Mariner lower-unit reseal service
- 200HP, 225HP and 250HP Mercury / Mariner gearcases where 27-858935 is specified
- Smaller and mid-range gearcases where the same shift rod housing gasket appears in the diagram
Typically suits
- Engine models:
- Mercury / Mariner 200HP outboard gearcase applications where 27-858935 is specified
- Mercury / Mariner 225HP outboard gearcase applications where specified
- Mercury / Mariner 250HP outboard gearcase applications where specified
- Mercury V6 / high-output lower-unit shift rod housing applications where 27-858935 is shown
- Mercury / Mariner gearcases using shift rod housing gasket 27-858935 in the lower-unit diagram
- HP Range: commonly selected Mercury / Mariner gearcases, including 200HP - 250HP where specified
- Engine Type: Mercury / Mariner outboard gearcase
- System Type: Shift rod housing gasket / lower-unit seal
🔌 Function
The gasket seals the shift rod housing to the gearcase, helping prevent water intrusion and gear oil leakage around the shift mechanism.
⚠️ Common Signs of Failure
- Water entering gear oil
- Gear oil leakage near shift rod housing
- Failed lower-unit pressure test
- Gasket torn during shift rod housing removal
- Corrosion around housing face
- Replacement required during gearcase reseal
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 27-858935 current OEM shift rod housing gasket reference
OEM / Related Numbers
- 27-858935
- 858935
- 27858935
- Shift rod housing gasket
- Shift shaft housing gasket
- Gearcase shift housing gasket
- 26-892361 related selector oil seal family
- 23-99291T related shift shaft bushing family
Aftermarket / Verified Equivalents
- Sierra: 18-0649
- SIE 0649
- Aftermarket cross-reference: 05-0171
- Aftermarket cross-reference: 1410-3801 / 14103801
- WSM / aftermarket shift housing gasket equivalents where matched to 27-858935
📦 Condition
- Genuine Quicksilver part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
Share
