Volvo Penta Steering System Cap 21757269 | OEM D4-150A-G
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Volvo Penta OEM Steering System Cap
Part Number: 21757269 | SKU: 21757269
Brand: Volvo Penta | Official Product Type: Cap
System: Steering System
Estimated Weight: 0.015 kg
The genuine Volvo Penta OEM cap for selected D4 marine diesel steering system applications. This factory replacement cap provides proper fit, protection, and assembly completion at the intended steering system mounting point. Confirm fitment using your engine serial number before ordering.
Key Features
- Genuine Volvo Penta OEM replacement cap
- Designed for the steering system on selected Volvo Penta D4 marine diesel engines
- Provides proper protection and fit at the intended assembly point
- Direct OEM replacement — no modification required when correctly matched by serial number
Compatible Applications
- Volvo Penta D4-150A-G marine diesel engine — steering system application (confirmed reference)
- Other selected Volvo Penta D4 variants — confirm by engine serial number and steering system parts diagram
- Fitment can vary by engine version, steering configuration, and production range — always verify using your engine serial number before ordering
When to Replace
Replace this cap when the original is cracked, missing, damaged during service, or no longer providing a secure fit at the steering assembly mounting point. Also inspect during any steering system service that requires removal of the surrounding components.
Installation Notes
- Confirm the correct part number against your engine serial number and steering system diagram before installation
- Compare the new cap to the original component before installing
- Inspect the surrounding steering assembly mounting area and related components during installation
Parts Desk Insights
Best Use Case: Small protective caps like this are most commonly needed after a cap is lost or damaged during steering system service. While it’s a minor component, the correct OEM cap ensures a proper fit at the assembly point — an ill-fitting or missing cap can allow contamination into the steering system over time.
Common Questions: Customers sometimes ask whether any generic cap of the same size will work — for steering system applications, we recommend using the correct OEM part to ensure the right fit and material compatibility with the surrounding assembly. Confirm by serial number to make sure you have the right cap for your specific D4 steering configuration.
Technical FAQ
Q: How do I confirm this is the correct cap for my engine?
A: Use your engine serial number to look up the steering system parts diagram for your specific Volvo Penta D4 variant. The cap will appear in the relevant steering assembly group. Contact us with your serial number if you need help confirming.
Q: Is this cap reusable if removed during service?
A: If the cap is undamaged and still fits securely, it can typically be reused. Replace if cracked, deformed, or no longer seating properly.
Related Parts
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.