Cylinder Head Gasket – Fits Volvo Penta D1-13F, D1-20F, D1-30F, D2-40F (Replaces 3812109)
Cylinder Head Gasket – Fits Volvo Penta D1-13F, D1-20F, D1-30F, D2-40F (Replaces 3812109) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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Cylinder Head Gasket – Fits Volvo Penta D1-13F, D1-20F, D1-30F, D2-...
Product Details
This is a replacement Cylinder Head Gasket – Fits Volvo Penta D1-13F, D1-20F, D1-30F, D2-40F (Replaces 3812109). It is designed for Volvo Penta D1-13F, D1-20F, D1-30F, and D2-40F diesel marine engines manufactured from 2005 to the present.
This component serves as a direct replacement for Volvo Penta part numbers 3812109 and 3886431 (alternative thickness).
- Installation: Mounts between the engine block and cylinder head.
- Material: Constructed from Multi-layer Steel (MLS) for durability and a reliable seal.
- Fuel Compatibility: Designed exclusively for diesel engines.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Volvo Penta | 3812109 | Primary replacement part (TH=1.2mm) |
| Volvo Penta | 3886431 | Alternative thickness |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This part is is specifically designed for the following Volvo Penta engines.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Volvo Penta | D1-13F | 13 | 4-Stroke | 2005–Present | 3812109 | Cylinder Head Gasket TH=1.2mm |
| Volvo Penta | D1-20F | 20 | 4-Stroke | 2005–Present | 3812109 | Cylinder Head Gasket TH=1.2mm |
| Volvo Penta | D1-30F | 30 | 4-Stroke | 2005–Present | 3812109 | Cylinder Head Gasket TH=1.2mm |
| Volvo Penta | D2-40F | 40 | 4-Stroke | 2005–Present | 3812109 | Cylinder Head Gasket TH=1.2mm |
Technical Specs
- Product Type
- Cylinder Head Gasket
- Installation
- Engine Cylinder Head
- Fuel Type
- Diesel
- Housing Material
- Multi-layer Steel (MLS)
- Housing Color
- Silver/Metallic
- Thickness
- 1.2 mm
- Product Dimensions
- 26.0 cm (L) x 15.0 cm (W) x 0.1 cm (H)
What’s in the Box
- 1 x Cylinder Head Gasket (Replaces 3812109)
Installation Notes
- Disconnect the battery and completely drain the engine's cooling system.
- Remove any components obstructing access to the cylinder head, such as intake/exhaust manifolds and fuel lines.
- Following the manufacturer's service manual, loosen and remove the cylinder head bolts in the specified sequence to prevent head warpage.
- Carefully lift the cylinder head from the engine block. Do not pry it off, as this can damage the mating surfaces.
- Thoroughly clean both the engine block deck and the cylinder head surface. Remove all traces of old gasket material and carbon deposits.
- Position the new head gasket correctly on the engine block; check for any "TOP" or "FRONT" markings to ensure proper orientation.
- Lower the cylinder head back onto the block and gasket. Install new or inspected head bolts and torque them to the manufacturer's specification in the correct sequence and stages.
- Reassemble all previously removed components, connect all hoses and electrical connectors, and refill the cooling system.
Troubleshooting & FAQ
How do I confirm this gasket is correct for my engine?
This gasket is for Volvo Penta models D1-13F, D1-20F, D1-30F, and D2-40F (2005–Present). The surest way to confirm is by matching the part number 3812109 with your engine's service manual or existing gasket.
What is the difference between this 3812109 gasket and the 3886431 alternative?
The primary difference is thickness. This gasket (3812109) has a standard thickness of 1.2mm. The alternative part, 3886431, is a different thickness variant. You should only use the thickness specified for your engine to ensure proper compression and piston-to-valve clearance.
What are the signs that my cylinder head gasket is failing?
Common symptoms of a blown head gasket include engine overheating, white smoke from the exhaust (burning coolant), a milky or frothy appearance in the engine oil, unexplained coolant loss, and poor engine performance or misfires due to loss of compression.
Can I reuse my old cylinder head bolts?
It is strongly recommended to use new head bolts for installation. Many are "torque-to-yield" (TTY) bolts designed to stretch permanently upon torquing and cannot provide the correct clamping force if reused.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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