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Komatsu 6735-11-1810 is the cylinder head gasket for the Komatsu 6D102 six cylinder diesel engine. This aftermarket version is cut to the same bore, bolt hole and water passage pattern as the original.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Cylinder Head Gasket |
| Replaces | Komatsu 6735-11-1810 |
| Engine | Komatsu 6D102 |
| Cylinders | 6 |
| Fits | Komatsu 6D102 engines, including the Komatsu PC200-6 excavator |
| Condition | New, aftermarket |
| Stat. HS-Code | 848410 |
Komatsu machines
Check the part number on your old unit before ordering.
| Komatsu Part No.(SPM Part No.) | Fits |
|---|---|
| 6735-11-1810(SPM-HEP-2901) | Komatsu 6D102 engines, including the Komatsu PC200-6 excavator |
Coolant in the oil or oil in the coolant
Milky oil, oil in the radiator or a falling coolant level with no outside leak are classic signs of a failed head gasket.
Overheating and pressure in the cooling system
Combustion gas pushed into the water jacket pressurises the radiator, blows coolant out of the overflow and makes the engine run hot under load.
Low compression and white smoke
A gasket blown between cylinders or into a water passage shows as a misfire, low compression on one or two cylinders and white smoke at start up.
Fitting tips
Check the head and block for flatness, clean both faces, use new head bolts where the engine maker calls for them and tighten in sequence to the specified torque.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (2 aftermarket sellers) | USD 61.78 to 80.93 | 6 Oct 2026 |
| Spare Part Mart | USD 49.42 | Today |
Our price of USD 49.42 is 20% to 39% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of Komatsu 6735-11-1810. It is not made by or affiliated with Komatsu; the Komatsu part number is used only to show what it replaces.
It fits Komatsu 6D102 engines, including the Komatsu PC200-6 excavator. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It is cut to the same bore, bolt and water passage pattern as the original. Clean both faces flat and dry, fit it without sealant unless the engine maker calls for it, and tighten the head bolts in the maker's sequence and torque.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your ZIP or postcode.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
