21689520 Valve | Genuine Volvo Penta Part
21689520 Valve | Genuine Volvo Penta Part
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Available from Volvo Penta international
Typically reaches our store in 10–14 business days
Availability checked daily with Volvo Penta
✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Inline non-return valve for larger Volvo Penta bilge-pump hose systems. It prevents discharge water returning to the bilge when the pump stops.
⚙️ Key Features
- Volvo designation: 25/38 mm
- Inline check-valve construction
- Reduces discharge-water backflow
- Corrosion-resistant marine materials
- Serviceable hose-clamp installation
- System type: Bilge discharge non-return valve
🔌 Function
Sits inline in the larger bilge pump discharge hose and passes water overboard while closing against the return flow, preventing the discharge line draining back into the bilge.
⚠️ Common Signs of Failure
- Bilge water returning after the pump stops, so the pump keeps cycling
- Water heard running back down the discharge hose
- Reduced discharge flow when the valve sticks part-closed
- Flap or poppet found jammed open by debris
- Sealing face found perished or hardened on strip-down
🛠️ Service Notes
- Volvo lists this one as the 25/38 mm valve; the smaller 19/32 mm valve is 21689519
🔄 Supersession & Cross Reference
Other-Brand OEM Numbers
- VOE21689520
📦 Condition
- Genuine Volvo Penta 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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