09-824P-2 Johnson Pump F4B-12 Urethane Ballast Pump Impeller | Genuine OEM Marine Part
09-824P-2 Johnson Pump F4B-12 Urethane Ballast Pump Impeller | Genuine OEM Marine Part
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🔧 Product Description
Aftermarket F4B-12 Polyurethane Ballast Impeller - Replaces SPX Johnson 09-824P-2
Six-blade polyurethane impeller for Johnson F4B-12 Ultra Ballast and compatible water-transfer pumps. The abrasion-resistant urethane compound is intended for clean water and ballast service rather than diesel or oil.
⚙️ Key Features
- Material: polyurethane/urethane
- Outside diameter: 50.8 mm / 2.00 in
- Width: 22.0 mm / 0.87 in
- Hub bore: 8.0 mm single flat
- Blade count: 6
- Commonly identified as the green ballast-pump impeller
🚤 Compatibility
Commonly used on
- SPX Johnson F4B-12 Ultra Ballast pumps
- Jabsco pumps specifying 6303-007-P
- Wakeboard and ski-boat ballast systems using the 8 mm single-flat F4 impeller
Application Details
- Pump / Service Type: Clean-water and ballast transfer; not preferred for hydrocarbons
- Identification: Confirm polyurethane compound, 50.8 × 22 mm dimensions and 8 mm single-flat drive.
- Always compare the removed impeller or pump against the listed dimensions, drive style, material and housing depth before installation.
🔌 Function
The flexible vanes form expanding chambers on the inlet side and contracting chambers on the discharge side. This produces self-priming suction and moves cooling water or other compatible fluids through the pump.
⚠️ Common Signs of Failure
- Reduced flow or inability to prime
- Engine overheating or weak cooling-water discharge
- Pulsing flow, cavitation or unusual pump noise
- Vanes are cracked, hardened, flattened or missing
- Hub has slipped, corroded or loosened from the rubber body
- Impeller has been damaged by dry running, debris or incompatible fluid
🔄 Supersession & Cross Reference
OEM / Manufacturer Number Progression
- 09-824P-2 - current polyurethane service designation
- 09-824P-1EZ / 09-824P-1 - related earlier Ultra Ballast designations
OEM / Related Numbers
- 09-824P-2
- 09-824P-1EZ
- 09-824P-1
- 09-824P-9 - nitrile version
Direct Same-Material / Configuration Equivalents
- Jabsco: 6303-007-P
- Aftermarket 6303-007-P polyurethane ballast-pump impeller kits
Dimensional or Different-Material Counterparts
- SPX Johnson 09-824P-9 and Jabsco 6303-0003 - nitrile oil-resistant counterparts
- Jabsco 6303-0001 - neoprene water-service dimensional counterpart
📦 Condition
- Brand-new aftermarket replacement impeller
- New and unused
- Supplied in suitable manufacturer or equivalent protective 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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