

Koyo (Koyorad) Performance Radiator: Honda Accord Euro CL / Acura TSX MT 2002-2008
$799.00
or 4 interest-free payments of $199.75 with Afterpay
Part no. KH081666
Available to order - allow extra time for delivery
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Koyo Performance Radiator – Honda Accord Euro CL / Acura TSX MT (2002–2008)
Application: Honda Accord Euro MT | CL9 / CM2 / CM3 / LA-CM2 / LA-CM3 / UA-CM2 / UA-CM3 | K24A / K26A / K25A | Manual Transmission
Part Number: KH081666 | KS081666
The Honda Accord Euro CL is one of Honda's most capable and underrated performance platforms — a refined, front-wheel-drive sports sedan powered by the K-Series engine family. Whether you're running a stock K24A or building toward a more aggressive setup, the Koyorad KH081666 is a direct bolt-in performance upgrade that delivers improved cooling capacity without any cutting, drilling, or fabrication.
Also cross-references to the Acura TSX 2.4L MT (2004–2008) via part number KS081666. Koyorad's all-aluminium construction and high-efficiency 25mm core design dissipate heat faster and more effectively than the factory unit. Nocolok furnace brazed, precision TIG welded by hand, and triple pressure tested — it retains all OEM fan shroud mounts and stock hose connections with no modifications required.
Why Koyorad?
- Precise Tube & Fin Alignment — Strict quality control ensures optimal coolant flow and maximum heat transfer efficiency across the entire core.
- Nocolok Furnace Brazing — All tubes, fins, headers, and brackets are bonded in a state-of-the-art Nocolok furnace, creating a structure that resists vibration, road debris, and the elements.
- Billet Filler Neck — Precision-machined billet filler necks are fitted to every unit for superior strength, durability, and a reliable seal.
- OE-Specific Mounting — Application-specific mounting points for fan shrouds, inlet/outlet hoses, and top/bottom pins ensure a pain-free, no-modification install.
- Hand-Crafted Heliarc Welds — Each radiator is individually Heliarc welded by hand, creating the strongest possible aluminium-to-aluminium bond across all components.
Specifications
- Part Number: KH081666 / KS081666
- Core Thickness: 25mm
- Core Dimensions (H × W): 400 × 712/736mm
- Tank Dimensions: 35/35 × 735mm
- Inlet / Outlet Diameter: ⌢32mm (top and bottom)
- Construction: All Aluminium, Nocolok Brazed, Heliarc Welded
- Transmission: Manual (MT)
- Fan Shroud: Retains OEM mounts
- Hoses: Compatible with stock radiator hoses
- Fitment: Direct bolt-in, no modifications required
Cross Reference
- Koyorad: KH081666 / KS081666
- Honda OEM: 19010 RBB A51 / 19010 RBB E51 / 19010 RBB 901
Fitment Table
- Year · Make · Model · Chassis · Submodel
- ~ · Honda · Accord · CL9 · MT — Manual Transmission
- ~ · Honda · Accord · CM2 · MT — Manual Transmission
- ~ · Honda · Accord · CM3 · MT — Manual Transmission
- 2002.11–2003.08 · Honda · Accord · LA-CM2 · K24A — Manual Transmission
- 2002.11–2003.08 · Honda · Accord · LA-CM3 · K24A — Manual Transmission
- 2002.11–2003.08 · Honda · Accord · LA-CM3 · K26A — Manual Transmission
- 2002.11–2003.08 · Honda · Accord · UA-CM2 · K24A — Manual Transmission
- 2002.11–2003.08 · Honda · Accord · UA-CM3 · K25A — Manual Transmission
- 2002.11–2003.08 · Acura · TSX · — · MT — Manual Transmission
- 2002.00–2006.00 · Acura · TSX · — · MT — Manual Transmission
Sold individually. Manual transmission fitment only. Lead times may apply — contact us for availability and shipping estimates.
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