Engine Oil Coolant Hose 21307-EB300 | Direct OEM Replacement

Engine Oil Coolant Water Hose – Part No. 21307-EB300

Keep your engine running at its best with this direct-fit oil coolant water hose, engineered as a precise replacement for OEM part number 21307-EB300. Designed for a leak-proof, bolt-on fit, this hose restores smooth oil circulation and effective engine temperature management — no modifications required.

Key Features

• Exact OEM Match: Part number 21307-EB300 ensures a precise fit, matching original vehicle connections and routing for a true drop-in replacement.
• Premium Materials: Constructed from reinforced nitrile rubber or EPDM, this hose is built to withstand high engine temperatures, resisting hardening and cracking for long-term durability in demanding oil cooling systems.
• Multi-Layer Braided Reinforcement: Features a curved pipe design with multi-layer braided reinforcement to resist bursting and stretching, handling vibrations and pressure fluctuations during vehicle operation.
• Tool-Free Installation: Uses original mounting points and clips — no modifications needed. Saves repair time and labor costs for both professional workshops and enthusiastic DIYers.
• Optimized Oil Flow: Ensures smooth, uninterrupted oil circulation to effectively regulate engine temperature, helping to prevent component wear and overheating, enhancing overall vehicle reliability.

Specifications

Package Includes

• 1 × Oil Coolant Water Hose (Part No. 21307-EB300)

Important Notes

• Please allow ±1–2 cm variance due to manual measurement. Verify dimensions before ordering.
• Colors may vary slightly between different monitor displays. The actual product color is black.
• Always verify part number compatibility with your specific vehicle make, model, and year before purchasing.

Learn more: FuelEconomy.gov driving efficiency guidance

Frequently Asked Questions

Q: What vehicles is the 21307-EB300 oil coolant hose compatible with?

A: This hose is designed to replace OEM part number 21307-EB300. Please cross-reference this part number with your vehicle's make, model, and year to confirm compatibility before purchasing. It is engineered as a direct-fit replacement using original mounting points.

Q: What material is this engine oil coolant hose made from?

A: The hose is made from reinforced nitrile rubber or EPDM (Ethylene Propylene Diene Monomer), both of which are known for excellent resistance to engine heat, oil, and coolant fluids. The multi-layer braided reinforcement adds extra strength against pressure and vibration.

Q: Is any special tool or modification required for installation?

A: No special tools or modifications are required. This replacement hose uses the same original mounting points and clips as the factory hose, making installation straightforward for both professional mechanics and DIY enthusiasts.

Q: Will this hose prevent coolant leaks?

A: Yes. The 21307-EB300 replacement hose is engineered for a leak-proof fit, precisely matching the original vehicle connections and routing. Its durable construction resists cracking and hardening that can cause leaks over time in aging factory hoses.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.