821354A2 Mercury MerCruiser Water Pump Impeller Repair Kit | Genuine Quicksilver OEM Part
821354A2 Mercury MerCruiser Water Pump Impeller Repair Kit | Genuine Quicksilver OEM Part
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide
🔧 Product Description
Genuine Quicksilver Water Pump Impeller Repair Kit - Part Number: 821354A2
A genuine Quicksilver water pump impeller repair kit for selected Mercury and Mariner outboard lower-unit water pump applications. This kit services the impeller and related pump components to help restore correct cooling water flow and reduce overheating risk.
⚙️ Key Features
- Genuine Quicksilver OEM water pump impeller repair kit
- Correct Mercury part number 821354A2
- Replaces earlier 821354A1 kit reference
- Used on selected 9.9HP to 50HP Mercury / Mariner outboard applications
- Services lower-unit cooling water pump components
🚤 Compatibility
Commonly used on
- Mercury / Mariner lower-unit water pump impeller repair applications
Typically suits
- Engine models:
- Mercury 9.9HP Super outboard water pump applications where 821354A2 is specified
- Mercury 15HP Super outboard water pump applications where 821354A2 is specified
- Mercury 25HP 2-cylinder 2-stroke water pump applications where 821354A2 is specified
- Mercury 30HP 2-cylinder 2-stroke water pump applications where 821354A2 is specified
- Mercury 40HP 2-cylinder 2-stroke water pump applications where 821354A2 is specified
- Mercury 50HP 2-cylinder 2-stroke water pump applications where 821354A2 is specified
- Mercury 30HP 3-cylinder water pump applications where 821354A2 is specified
- Mercury 40HP 3-cylinder water pump applications where 821354A2 is specified
- Mercury 50HP 3-cylinder water pump applications where 821354A2 is specified
- Mercury 30HP EFI FourStroke water pump applications where 821354A2 is specified
- Mercury 40HP EFI FourStroke water pump applications where 821354A2 is specified
- Mercury / Mariner 25HP - 50HP 4-stroke lower-unit water pump applications where 821354A2 is specified
- HP Range: 9.9HP - 50HP where specified
- Engine Type: Mercury / Mariner small and mid-range outboard
- System Type: Lower-unit water pump impeller repair kit
🔌 Function
The kit restores the impeller and related pump sealing components that draw cooling water up from the lower unit and circulate it through the engine.
⚠️ Common Signs of Failure
- Weak or no tell-tale water flow
- Engine overheating at idle or under load
- Hardened, cracked or missing impeller vanes
- Water pump pressure loss after storage
- Pump output does not recover with impeller-only service
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 821354A2 → Supersedes 821354A1
- 821354A1 earlier OEM service kit reference
OEM / Related Numbers
- 821354A2
- 821354A1
- 47-821354A2
- 47-821354A1
- 821354 A2
Aftermarket / Verified Equivalents
- No aftermarket equivalent
📦 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.
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