Volvo Penta Cylinder Head 1556590
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The Volvo Penta Cylinder Head 1556590 is an OEM replacement cylinder head for compatible Volvo Penta heavy-duty marine diesel engine applications. It is used where Volvo Penta parts diagrams call for 1556590 and is commonly tied to older 16-litre Volvo Penta engine families.
Key Features
- Genuine Volvo Penta cylinder head
- Part number: 1556590
- OEM engine top-end replacement component
- Used in compatible Volvo Penta marine diesel applications
- Common old / related reference shown with 3803148
- Supports valve train, injector sleeve, combustion sealing, and cooling passages
- Intended for major engine repair or rebuild service
Engine Compatibility
Commonly associated with Volvo Penta engine families including TID162AP, TID162APB, TID162AG, TID162AGP, TWD1620G, TAMD162A, TAMD162B, TAMD162C, and TAMD162C-B.
Serial Number Fitment Notice
Cylinder head fitment must be confirmed by Volvo Penta engine model, serial number, and parts diagram before ordering. Cylinder heads can vary by production range, valve-seat configuration, injector-sleeve arrangement, and related gasket kit requirements.
When This Part Needs Replacement
Replace the cylinder head if it is cracked, warped, severely corroded, has damaged valve seats or guides, coolant leakage into the combustion area, compression loss, repeated head-gasket failure, or damage found during engine teardown.
Installation Notes
Installation should follow the Volvo Penta service manual for the exact engine. Inspect mating surfaces, valve seats, guides, injector sleeves, head bolts, and related sealing components before assembly. Use the correct head gasket kit and torque sequence for the engine model.
Alternate/Superseded Part Numbers
Related references include:
- 1556590
- 3803148
- 1556070 ā related reference shown in some parts listings
Parts Desk Insight
Cylinder heads are serial-number-critical parts. Before ordering, match the engine identification plate and diagram location carefully, because small differences in head casting or valve/injector hardware can create a costly mismatch.
ā ļø Special Order
This product is not currently in stock but may be available from the manufacturer. Special Orders may take up to 2 weeks to arrive. Call the parts desk before ordering if you need a closer estimate on delivery time.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3ā4 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 ā 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 ā 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.