Develon DE08 Engine Overhaul Gasket Kit 65.99601-8034 / 400632-00080
Product Summary
This is a complete overhaul gasket kit for the Develon/Doosan DE08 diesel engine. It is designed for major engine rebuilding, providing all necessary sealing components to restore proper compression, oil, and coolant sealing. Part numbers: old 65.99601-8034, new 400632-00080. We supply this kit as original factory (FOB USD 125) or aftermarket (FOB USD 38). Both versions are in stock, packed in a cardboard box (88 × 32 × 5 cm), and covered by a 6-month warranty. Single gross weight is 2.000 kg. The product is ISO9001 certified and made in China. Fitment must be verified using your engine serial number and current part number before ordering.
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Shipping fee and delivery date to be negotiated. Chat with supplier now for more details and Optimal price.
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Product Function
The overhaul gasket kit contains the sealing components required during a complete engine rebuild, including head gaskets, manifold gaskets, oil seals, O-rings, and other critical seals. Proper sealing is essential to maintain compression, prevent oil and coolant leaks, and ensure long engine life after overhaul. Replacing all gaskets and seals during a major repair helps avoid repeated disassembly and ensures the engine runs reliably after reassembly.
Compatibility Information
This gasket kit is confirmed for:
- DE08 series engines
- DX300LCA
- DL300A
- MEGA 300-V
- SOLAR 300
Important: Exact kit contents and fitment may vary depending on engine serial number and production configuration. Always verify using your engine serial number and current part number before ordering.
To request a quote, please provide:
- Machine brand and exact model
- Engine serial number
- Current part number (old or new)
- Photo of the machine nameplate or engine plate (if available)
- Required quantity
- Preferred condition: Original Factory or Aftermarket
- Destination country
Product Information Table
| Field | Details |
|---|---|
| Brand | Develon / Doosan |
| Product Name | Engine Overhaul Gasket Kit |
| Part Numbers | 65.99601-8034 (old), 400632-00080 (new) |
| Cross-reference Number | None |
| Product Condition | New – Original Factory or Aftermarket |
| Compatible Engine Model | DE08 series engines |
| Compatible Machine Models | DX300LCA, DL300A, MEGA 300-V, SOLAR 300 |
| Application | Engine major overhaul and sealing replacement |
| Kit Contents | Contact us for detailed component list |
| Material | To be confirmed |
| Single Gross Weight | 2.000 kg |
| FOB Price | Original: USD 125; Aftermarket: USD 38 (subject to final confirmation) |
| Certification | ISO9001 |
| Warranty | 6 months |
| Availability | In stock, delivery within 5–7 days (subject to final confirmation) |
| Packaging | Cardboard box (88 × 32 × 5 cm) |
| Place of Origin | China |


Product Condition Options
- Original Factory – Genuine Develon/Doosan factory gasket kit, FOB USD 125. Highest assurance of material quality and fit.
- Aftermarket – High-quality replacement gasket kit, FOB USD 38. A cost-effective option for older machines or budget-focused maintenance.
Both options are new, in stock, ISO9001 certified, and covered by our 6-month warranty.
Packaging, Shipping & Warranty
- Packaging: Cardboard box, 88 × 32 × 5 cm.
- Shipping: Worldwide shipping available. Cost and transit time depend on destination and carrier.
- Warranty: 6 months against manufacturing defects. Full warranty terms are provided with the quotation.
- Important: Availability, FOB price, shipping cost, and delivery time must be reconfirmed at the time of order, as they are subject to change.
How to Request a Quote
Click the “Request Quote” button or email us directly. Include the details listed in the Compatibility Information section for a fast and accurate response. We typically reply within 24 hours.









