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Oil Cooler Union Banjo Bolt (Radiator Hose Screw) – Various Hyosung Models

Estimated delivery dates: Aug 18, 2026 - Aug 20, 2026

£19.95

🛢️ OIL COOLER BANJO BOLTS // STOP OIL LEAKS

Shield your lubricating oil loop from sudden drop pressures and messy front-end leaks. This set of genuine factory oil cooler union banjo bolts serves as your essential insurance during an engine service, ensuring you don’t get left stuck in the garage due to sheared or weeping old hardware components. Sourced as a matched pair, they restore a perfect factory seal where it matters most, bypassing the high risk of catastrophic engine failure caused by unrated hardware.

  • Genuine OEM // Authentic Hyosung part number 09360H12007 (Limited Run).
  • Safety Critical // Secures vital oil lines; precision fitment guaranteed.
  • Multi-Fitment // Fits all 125cc/250cc V-Twin/Single cylinder models with an oil cooler.
  • 📦 What’s Included // 2x Large Oil Cooler Banjo Bolts (Pair).
WASHERS NOT INCLUDED / SPECIAL ORDER:
❌ Copper crush washers are not included inside this pack.

We strongly advise picking up fresh sealing washers to guarantee a completely leak-free seal.

This is a special batch assignment; please allow extra handling time for delivery.

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Description

The front face of your Hyosung engine is constantly exposed to direct road debris, pooling rainwater, and abrasive winter road grime, leading to severe rust and structural degradation on critical oil line fasteners. As factory production shifts entirely toward newer water-cooled models, original air/oil-cooled hardware components like these are quickly becoming obsolete. These genuine, limited-run OEM union bolts are absolutely vital for maintaining structural oil pressure integrity. We recommend pairing them with fresh copper crush washers to ensure a completely leak-free, high-pressure seal, justifying their replacement value through total authenticity and direct fitment.


💎 Maintain Oil Integrity

A reliable hydraulic seal is crucial on high-revving V-Twins. Using genuine original parts preserves your peace of mind and keeps the core system operating safely.

Genuine OEM Part
Direct replacement factory stock ensuring accurate fluid flow cross-sections.
Perfect Fitment
Precision threaded by Hyosung Korea to seal against alloy engine blocks with zero play.
Prevents Leaks
Correctly drilled bypass windows provide uniform distribution across radiator hoses.
Limited Availability
Discontinued assembly items sourced from selective club networks before global exhaustion.

📜 Confirmed Fitment Guide

✅ FITS: GV125 Aquila, GV250, GT125, GT125R, GT250, GT250R Comet, RX125, RT125 Karion, GA125 Cruise, and Cruise II.
📅 YEARS: All carburetted and early electronic fuel injection (EFI) models manufactured between 2001 and 2016 (Verify your specific frame carries an external OIL cooler).

❌ WILL NOT FIT: Modern liquid-cooled 2020+ bobber iterations (which ditch engine oil coolers entirely) except rare, specific Japan-spec regional imports.

💡 RECOMMENDED PAIRING:
Complete the front-end aesthetic cleanup. Eliminate corroded fasteners on top of the block by matching your new hardware with our rust-proof **Titanium Engine Cover Bolts** for a premium, leak-free visual overhaul. View Titanium Bolts here.

🔧 Install Tips

  • New Washers are Essential: Do not attempt to reuse old, squashed copper washers! Internal crushing work-hardens the metal, making it the primary cause of oil weeping post-install. Always use new soft copper or bonded seals.
  • Torque Carefully: Always implement a calibrated torque wrench. Finding the exact setting is crucial for these high-pressure oil ports; over-tightening can easily strip the threaded passages in the soft alloy casing housings.

Reference OEM #: 09360H12007

📧 NEED AN EXTRA HAND? If you are tracking down an elusive oil leak or need verification, email our team with your model details. For structural diagnostic values, or setup manuals, join our global community space at the HyoRiders Club Forums.

Additional information

Weight 0.9 kg
Dimensions 300 × 20 × 3 cm

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