Volvo Penta 21678692 – D3 Upper Engine / Cylinder Head Area Kit
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Volvo Penta 21678692 – D3 Upper Engine / Cylinder Head Area Kit
Part Number: 21678692
Brand: Volvo Penta
Official Product Type: Engine Kit – Upper Cylinder Head Area
This is a genuine Volvo Penta OEM kit for the upper engine and cylinder head area of select D3 marine diesel engines. It covers the valve cover, lifting eye, and fuel injector delivery pipe section of later-generation D3 common-rail diesel engines. Use this kit only where the Volvo Penta D3 parts diagram specifically calls for part number 21678692.
Compatible Applications
Confirmed Volvo Penta D3 marine diesel engine applications:
- D3-140A-G
- D3-150I-D
- D3-150I-E
- D3-150I-F
- D3-200I-D
- D3-220A-E
- D3-220A-F
- D3-220A-G
Serial Number & Fitment Requirements
D3-series engines span multiple production versions with different common-rail component layouts. Always confirm fitment using your engine model and serial number against the correct Volvo Penta cylinder head / valve cover area parts diagram. This kit should only be installed where the diagram specifically calls for 21678692.
System & Diagram Position
This kit is located in the upper engine block / cylinder head assembly area. On the Volvo Penta D3 parts diagram it is associated with the valve cover, lifting eye bracket, and fuel injector delivery pipe section. Confirm the exact diagram position for your specific D3 model before ordering.
Kit Contents
Contents are as specified by Volvo Penta for part number 21678692. Refer to the official Volvo Penta D3 parts diagram for a complete component breakdown. Kit contents may vary slightly by engine production version.
Dimensions & Weight
Estimated shipping weight: 1.5 kg (3.3 lb). Exact dimensions vary by kit configuration. Contact us if you need precise measurements for freight planning.
When This Kit Is Needed
This kit is typically required during cylinder head, valve cover, lifting bracket, injector delivery pipe, or related top-end service on the D3 engine. Replace when the Volvo Penta service manual or parts diagram calls for kit 21678692 during upper engine disassembly.
Service Interval
Replace as directed by the Volvo Penta D3 service manual during scheduled top-end service or whenever upper engine components are disturbed. No fixed hour-based interval applies — replacement is condition- and service-event-driven.
Installation Notes
Identify the kit location on the correct Volvo Penta D3 schematic before disassembly. Inspect nearby valve cover hardware, lifting eyes, injector delivery pipes, seals, brackets, and mounting points while the upper engine area is open. Follow the Volvo Penta service manual for the correct installation sequence and torque specifications for your specific D3 model.
Supersedes / Replaced By
No known supersession or replacement part number on record. Current active part number: 21678692. Verify with your Volvo Penta dealer if you are cross-referencing an older part number.
Related Parts
Commonly serviced alongside this kit on the Volvo Penta D3:
- Volvo Penta Left-Hand Engine Bracket 21750952 – OEM D3 Diesel Mount
- Volvo Penta D3 Oil Filter Kit 30788490
- Volvo Penta D3 STD Piston Ring Kit 30731740
- Volvo Penta Timing Belt 30777779
- Volvo Penta Thermostat 3856961
- Volvo Penta Water-in-Fuel Sensor 3808616 – D3 / D4 / D6 Diesel
- Volvo Penta 20973777 Common Rail Fuel Rail Repair Kit
Technical FAQ
Q: Can I use this kit on a D4 or D6 engine?
A: No. This kit is specific to select D3 applications. D4 and D6 engines use different upper engine hardware. Always match by engine model, serial number, and parts diagram.
Q: How do I confirm this is the right kit for my engine?
A: Locate your engine model and serial number on the engine block, then cross-reference with the Volvo Penta D3 cylinder head area parts diagram. The diagram position should call out part number 21678692.
Q: Is this a complete kit or individual components?
A: This is an OEM kit as supplied by Volvo Penta. All components are included as specified for part number 21678692. Refer to the parts diagram for the full component list.
Parts Desk Insights
Best Use Case: This kit is the right choice when performing a top-end service on a Volvo Penta D3 and the parts diagram specifically calls for 21678692. It is most commonly needed during valve cover removal, injector pipe service, or lifting eye bracket replacement on D3-series engines.
Common Customer Questions: Customers frequently ask whether this kit fits D4 or D6 engines — it does not. D3 engines also have multiple production versions, so serial number verification is essential before ordering. If you are unsure of your engine's production version, have your serial number ready when you contact us.
This is a special order item. Lead times may vary — contact us before ordering if timing is critical.
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.