Volvo Penta Oil Pressure Pipe 21506563 | OEM D4 D6 Engine Oil Line
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Volvo Penta Oil Pressure Pipe — Part #21506563
This is the genuine OEM oil pressure pipe for Volvo Penta D4 and D6 marine diesel engines. It carries pressurized oil from the engine block to the oil pressure sensor, maintaining accurate readings and protecting the engine from low-pressure conditions. Built to factory specifications for a direct, leak-free fit.
Part Details
- Part Number: 21506563
- Brand: Volvo Penta
- Official Product Type: Oil Pressure Pipe
- System: Engine Lubrication / Oil Pressure Circuit
- Condition: New OEM
Compatible Applications
- Volvo Penta D4-180, D4-210, D4-225, D4-260, D4-300
- Volvo Penta D6-280, D6-310, D6-330, D6-370, D6-400, D6-435
- Verify fitment using your engine serial number — contact us if unsure
Technical Specifications
- Material: OEM-grade oil-resistant metal/alloy construction
- Fitment: Direct OEM replacement — no modification required
- Weight: Approx. 0.4 kg
Parts Desk Insights
Best Use Case: This pipe is the go-to replacement when you're chasing an oil pressure warning light or finding oil seepage around the sensor area on D4/D6 engines. It's a common service item on higher-hour engines and is frequently replaced during oil system inspections or when the pressure sensor is being swapped out.
Common Issues: Customers typically need this part after noticing oil weeping at the pipe connection, a persistent low-oil-pressure alarm despite correct oil levels, or during a pre-sale survey that flags oil system wear. Inspect the mating fittings and sensor threads at the same time — a damaged fitting can cause the new pipe to leak.
Service Interval
Inspect the oil pressure pipe at every major service interval (typically every 300–500 hours or as specified in your engine manual). Replace immediately if cracking, weeping, or corrosion is observed.
Technical FAQ
Q: Will this fit my engine if I only have the model number, not the serial number?
A: Model number gets you close, but serial number confirms the exact build spec. Contact us with both and we'll verify before you order.
Q: Can I reuse the existing fittings?
A: Inspect them carefully. If threads are clean and undamaged, reuse is generally fine. Replace if there's any corrosion or deformation.
Q: Is this the same pipe used for the oil pressure gauge line?
A: This pipe feeds the oil pressure sensor/sender, not a mechanical gauge. If you're running a mechanical gauge, a different line may apply — contact us to confirm.
Related Parts
- Volvo Penta Oil Pressure Pipe 40005392 — alternate/updated pipe variant
- Volvo Penta Reduction Valve 21068158 — oil system pressure valve
- Volvo Penta Oil Filter 21707132 — replace at same service interval
- Volvo Penta Oil Pump 22048379 — upstream oil delivery component
- Volvo Penta Oil System Pipe 3818664 — related oil circuit pipe
- Volvo Penta Pressure Sensor 866833 — mating sensor for this pipe
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.