Gasket – Fits Volvo Penta KAD300-A Cooling System (Replaces 860920)
Gasket – Fits Volvo Penta KAD300-A Cooling System (Replaces 860920) is backordered and will ship as soon as it is back in stock.
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Gasket – Fits Volvo Penta KAD300-A Cooling System (Replaces 860920)
Product Details
This engine Gasket – Fits Volvo Penta KAD300-A Cooling System (Replaces 860920) is designed for the Volvo Penta KAD300-A marine diesel engine as part of the aftercooler assembly. It serves as a crucial component within the cooling system to ensure a proper seal and prevent leaks.
This part is a direct replacement for Volvo Penta part numbers 860920 and its superseded predecessor, 838720.
- Engineered for marine diesel cooling systems.
- Direct fitment for specified Volvo Penta models.
- Used with the aftercooler assembly.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By | Notes |
|---|---|---|---|
| Volvo Penta | 838720 | 860920 | |
| Volvo Penta | 860920 | Current part number |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | KAD300-A | 4-Stroke | 860920 | Part of cooling system |
| Volvo Penta | KAMD300 | 4-Stroke | 860920 | Listed in aftercooler gasket set |
| Volvo Penta | KAMD300A | 4-Stroke | 860920 | Listed in aftercooler gasket set |
| Volvo Penta | AD31A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | AD31B, AD31D-A, AD31L-A, AD31P-A, AD31XD, AQAD31A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | TAMD31A, TAMD31B, TAMD31D, TAMD31L-A, TAMD31M-A, TAMD31P-A, TAMD31S-A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | KAD32P-A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | AD41A, AD41B, AD41D, AD41L-A, AD41P-A, AQAD41A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | TAMD41A, TAMD41B, TAMD41D, TAMD41H-A, TAMD41H-B, TAMD41L-A, TAMD41M-A, TAMD41P-A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | KAD42A, KAD42B, KAD42P-A, KAMD42A, KAMD41B, KAMD42P-A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | TAMD42A, TAMD42B, TAMD42WJ-A | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | KAD43P, KAD43P-A, KAD43P-B, KAMD43P, KAMD43P-A, KAMD43P-B | 4-Stroke | 860920 | Used in aftercooler gasket set |
| Volvo Penta | KAD44P, KAD44P-A, KAD44P-B, KAD44P-C, KAMD44P, KAMD44P-A, KAMD44P-B, KAMD44P-C | 4-Stroke | 860920 | Used in aftercooler gasket set |
Technical Specs
- Product Type
- Engine Gasket
- Installation
- Manual fitment to specified location
- Fuel Type
- Diesel
- Connection
- Component 11 in KAD300-A cooling system
- Dimensions
- 1.0" H x 15.0" W x 26.4" L
- Fitting Type
- Direct fit replacement
- Warranty
- Manufacturer standard warranty
- Other Technical Attributes
- Used with Volvo Penta aftercooler assembly
What’s in the Box
- 1 x Gasket (860920)
Installation Notes
- Ensure the engine is off and the battery is disconnected. Allow the engine to cool completely.
- Drain the cooling system to a level below the aftercooler assembly.
- Carefully access and remove the aftercooler housing or relevant components to expose the old gasket.
- Thoroughly clean both mating surfaces, ensuring they are free of old gasket material, corrosion, and debris.
- Position the new gasket correctly. Do not use sealant unless specified by the engine manufacturer.
- Reassemble all components, tightening fasteners to the manufacturer's recommended torque specifications.
- Refill the cooling system with the appropriate coolant.
- Once reassembled, run the engine and carefully inspect for any leaks around the new gasket.
Troubleshooting & FAQ
How can I confirm this gasket fits my engine?
Verify your engine model matches a model listed in the "Engine & Model Compatibility" table. Cross-reference your existing part number with the numbers in the "Part Number Matrix" to ensure it is a direct replacement for 860920 or the superseded 838720.
What are the signs of a failing aftercooler gasket?
Common symptoms include coolant leaks around the aftercooler housing, engine overheating, reduced engine performance, or white smoke from the exhaust, which may indicate coolant entering the combustion chamber.
Is sealant required during installation?
Typically, this type of gasket is designed to be installed on clean, dry surfaces without any additional sealant. Always follow the specific procedures in your Volvo Penta service manual for the definitive answer.
What is the difference between this and the OEM part?
This is an aftermarket replacement part, not an original Volvo Penta component. It is built to meet or exceed OEM specifications for fit, form, and function, providing a reliable and cost-effective alternative.
Can I reuse my old gasket?
No. Gaskets are single-use components designed to crush and seal. Once a gasket has been installed and torqued, it should not be reused, as it will not provide a reliable seal.
What is an aftercooler gasket's function?
It creates a seal between the aftercooler and the engine block or intake manifold, preventing coolant and air leaks. A proper seal is critical for both cooling efficiency and engine performance.
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.
Payment & Security
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